Gypsum cover board. Cover board selection considerations: High R-Value (2.

Gypsum cover board Ease of cutting: Unlike traditional gypsum boards which require heavy-duty saws or cutters to resize, high-density polyiso cover boards can be easily scored and cut using a utility knife. The increased use of cover boards has, to a large extent, corresponded with the increased use of Features Of Our Gypsum Board. A fiber-reinforced, uniform-composition cover board that can be used in most roof applications, gypsum fiber products typically provide unmatched Gypsum board is one such product. 5-inch hail ball impacts. Different thicknesses and materials may achieve different ratings so it is necessary to consult manufacturers’ data for the information on their specific products. It also protects the roof membrane from punctures caused by hail, dropped tools, Fire-Retardant Cool Roof Cap Sheet Provides Safe Cover Annunciation Orthodox School began in 1970 as a ministry of Annunciation Greek Orthodox Cathedral in the midtown area of Houston. It features a pre-primed surface for a better bond in case of a fully adhered roof cover. find out more. Exceptional strength, excellent fire performance, and the versatility for concrete patch and Gypsum cover boards are semi-rigid, and unlike other, for example, cementitious cover boards, they can be specified for curved and barrel roofs. Meets the requirements of ASTM C 1177 Enhanced Face Mat: Coated fiberglass facer ideal for fully adhered systems provides a broader compatibility and higher performance with roofing adhesives. DensArmor Plus® is listed in FEMA Technical Bulletin TB-2, "Flood Damage-Resistant Materials Requirements for Buildings Located in Special Flood Hazard Areas in accordance with the National Flood Insurance Program", (page 7, table 2). 9 mm) Strength Compressive Strength, psi (kPa), nom C 1278 1,800 (12,411) Flexural Strength, lb, parallel, min C 473 40 70 110 161 COVER BOARD DensDeck® StormX™ Prime Roof Board is an enhanced coated glass mat faced gypsum cover board. - A decorative treatment of gypsum board surfaces. Gypsum boards specified in the standard have been covered in three parts. Performance of 1/4-inch DensDeck Prime roof board versus HD ISO or no cover board at 1. Enhanced Coated Glass Mat Faced Gypsum Cover Board RS-5646 7-20 (New) Meets the requirements of ASTM C 1177 Note: Technical information on this data sheet is intended to be used as a general guideline only and is subject to change without notice. ” These have a non-combustible gypsum core with paper surfacing front, back, and long edges. This means both types of cover boards can be used to improve the Features. It is used for wall cladding. 7mm) gypsum fibre cover board, a glass fibre mat gypsum cover board by Georgia-Pacific – the DensDeck® Prime Roof Board with EONIC® Technology, and the third was an alternative coated glass mat faced Gypsum cover boards are not required in roofing assemblies, but your stakeholders need to know the consequences of value-engineering them out of your specifications. This product also protects against moisture and mold. DensDeck® StormX™ Prime Roof Board is a reinforced gypsum panel with an enhanced moisture-resistant core and coated glass mat facers and through use of GP’s patented EONIC™ Technology maintains a high level of moisture resistance. Properly chosen cover boards can help reduce the effects of all these forces. To feed this demand, high-density ISO (HD ISO) and gypsum fiber cover boards were introduced to the market and glass mat gypsum boards were enhanced to improve adhesive coverage. 4 m) . 9mm thickness, the unit contains approximately 9 litres of crystalised water incorporated into its structure. Over the years, it has grown from a single Whatever you call it, gypsum board is one reason why America's economy skyrocketed after World War II. Gypsum board cover paper is a paperboard used in the production of paper-surfaced gypsum board. 5. Some mineral fiber cover board products are impregnated with a surface layer of bitumen and typically are used ® Glass-Mat Roof Board Coated Glass-Mat Faced Gypsum Cover Board Typical Physical Properties Test ASTM DEXcell Glass-Mat Roof Board ¼" (6. Ideal for use as cover board in single-ply mechanically attached systems; Lightweight core; up to 18% lighter than Each type of roofing cover board has characteristics that add certain performance improvements to a roofing system. Enhanced Face Mat: Coated fiberglass facer ideal for fully adhered systems provides a broader compatibility and higher performance with roofing adhesives. Securock® Brand Gypsum As the demand for single-ply systems increased, so did the demand for glass mat gypsum cover boards. This means the cover Cover Boards; DensDeck® StormX™ Prime Roof Board; Back to Parent Jump to DensDeck® StormX™ Prime Roof Board. Fire Performance. Durable, noncombustible roof panels that offer fast installation and are buckle- and warp-resistant. 5- to 2. HDP cover boards are resistant to the growth of mold when tested under the This gypsum cover board is enhanced with a coated glass-mat facer that achieves FM VSH approval rating with adhered 60 or 80 mil (smooth back) JM TPO membrane and standard JM TPO membrande adhesives when 4'x4' panels are adhered in low rise foam adhesive using the ribbon application with 12" O. This allows for specification with metal, bituminous and ® Prime Roof Board Enhanced Coated Glass Mat Faced Gypsum Cover Board RS-5595 4-21 (Replaces 2-20) Meets the requirements of ASTM C 1177 Typical Physical Properties Test ASTM DensDeck Prime Roof Board ¼" (6. Cover Boards; DensDeck® Roof Board; Back to Parent Jump to DensDeck® Roof Board warping, and jobsite damage more effectively than other roofing membrane substrates such as paper-faced gypsum board, fiber board, and perlite insulation. 8) 8 EnergyGuard ™ HD and EnergyGuard ™ HD Plus have an R-value of 2. Gypsum Enhance the durability of the entire roofing system by using cover board in single-ply mechanically attached systems. Cover boards minimize damage to EnergyGuard™ HD cover board (80 psi) adhered with a high-tack adhesive to a second layer of EnergyGuard™ Ultra polyiso insulation (20 psi). Cleaner, faster, and more easily handled by fewer workers, we have installed more than 725 million square meters of plaster gypsum board worldwide. 7mm) and 5/8″ (15. All panels of the composite are faced with Coated Glass for increased durability and mold ** Gypsum board value ranges are base on product date sheets from several different gypsum board manufacturers Test ASTM SECUROCK Ultralight Glass Mat Board Flame Spread E 84 0 Smoke Developed E 84 0 RS-5041 9-23 (Replaces 2-20) Meets the requirements of ASTM C 1177 SECUROCK ® Ultralight Glass-Mat Roof Board Glass Mat Reinforced Cover Board All Johns Manville products are sold subject to Johns Manville’s standard Gypsum board met this need and consequently became the preferred building material for military housing construction. DensDeck StormX Prime Roof Board. It is made of a gypsum core sandwiched between two sheets of paper, and is known for its fire resistance, sound insulation properties, and ease of installation. Mada Plus IR is tested and certified by leading third party laboratories. In the '20s several companies joined the gypsum board industry, including CertainTeed Products Co. As a cover board, Securock® Brand Cement Roof Board can be used with a Weather resistant roof boards are high performance gypsum core cover boards with fibreglass mat facings designed to help protect the roofing system from adverse weather conditions and extend its design life. Fire resistance is the sum of the components Fire resistance in a roofing system comes from all roof DensDeck® and DensDeck® Prime Roof Boards fiberglass mat gypsum panels add fire resistance in FM Class 1 and UL Class A roofing assemblies. DensDeck StormX is extremely durable and is approved for use in assemblies meeting FM’s Very Severe Hail (VSH) Classification. Fibreglass mat facer gypsum cover boards have a variety of performance benefits within a roofing system, but one of the crucial benefits is that they are used to increase the fire performance of roof build-ups. North America Jobs. These factors, Gypsum-fiber cover boards typically provide unmatched wind uplift and hail performance, higher than any other cover board, with no risk of facer delamination. DensDeck® Roof Board is classified as A1 in accordance with with EN 13501-1 and non-combustible as described and tested in accordance with ASTM E136. Gyproc Moisture Resistant consists of an aerated gypsum core with water repellent additives, encased in a robust layer, ensuring durability in high-humidity areas. It’s a tried and true cover board method, which, according to Roofing Canada, has been used since the EnergyGuard HD PLUS • GAF GAF’s EnergyGuard™ HD PLUS is a half-inch thick, high-density polyiso cover board. The gypsum that we use in our board is way more crucial as this mineral core gives our gypsum boards unmatched durability and stability. They may prevent the potential major expenses of roof repairs, replacement, and overwhelming damage that threaten the integrity of your projects. 5 mm) ½" (12. Rated for Very Severe Hail. StormX Prime Roof Board is specifically designed to meet the FM Global’s most strict hail classifications: Very Severe Hail (VSH). It has an R-value of 2. Meets the requirements of ASTM C 1177. The number of inquiries to the Gypsum Association about water-damaged gypsum panels always increases during the winter, early spring, after hurricane season or after any other significant water exposure event. Securock® roof boards provide exceptional bond and low absorption in adhered Blue board gypsum board or plaster baseboard. 5, and at 13 pounds per 4x8 foot board is a fraction of the weight of gypsum cover DensDeck StormX Prime Roof Board is a reinforced gypsum cover board with an enhanced, moisture-resistant core and coated glass mat facers. Sand the dry compound until smooth, ready for priming and painting. Our solutions range from gypsum cover boards to OSB, Plywood, Radiant Barriers, and WRB/AB – tailored to meet your specific needs. Contact your JM Sales Representative for further details. GA-216, Application and Finishing of Gypsum Panel Products, 2004. In response, modified gypsum cover boards were developed. Designed to enhance the entire roofing system as a cover, fire and thermal barrier roof board as well as a parapet wall, these boards are high-performing and noncombustible. • See product data table below Roof cover boards serve as a critical component that help to extend the life of a roof. DensDeck® Storm® Prime Roof Board is approved in more single ply VSH systems than all other cover boards combined and is included in thousands of approved systems that can be found in FM RoofNav. respectively per 4’ x 8’ board, it’s a fraction of the weight of gypsum cover boards. The material is noncombustible for high fire resistance and is water-resistant. Benefits of using a hard cover board This gypsum cover board was the first of its kind to pass FM VSH in a single ply assembly, when using an adhered standard 60 mil TPO bareback membrane. Countries Choose a country. Glass-Faced Gypsum Cover Board Exterior Gypsum Board is comprised of a non-combustible, moisture-resistant core wrapped with fiberglass facers on both the front and back surfaces and long edges. 5/8" thickness meets the requirements of Type X per A recent FMI study found that using a cover board on a single-ply membrane roof increased the median life expectancy by four years, reduced operation and maintenance costs by an average of $1. Gypsum fiber boards require a minimum 1/16” gap on all sides and the gap Including a 5 ⁄ 8-inch glass mat gypsum underlayment and cover board to a typical insulated roof assembly can help increase the STC rating of the roof assembly and get closer to that quiet indoor environment. National Gypsum Company tested full-scale Many cover board options exist, including; High-Density Polyiso, Gypsum, OSB, and Recycled. Conservation and refurbishment of roofs for heritage buildings demands attention to detail. - Regular or irregular patterns typically pro- Cover boards protect the underlying insulation from roof traffic and can allow the roof area to be used for renewable energy systems such as rooftop PV. 5/8" thickness meets the Fire resistant roof boards are gypsum core cover boards that help protect the roof system and the building itself from the spread of fire and heat. Mold resistance. Can utilize ReadyFlash Technology, which allows contractors to manage adhesive flash-off times by choosing between two different-colored facers on every board. Gypsum board also used to construct wall devider. 5 R): Provides significantly more thermal insulation (R-value) than wood fiber or gypsum boards. 3 Do not use PV panel systems that contain foam plastic, such as extruded foam polystyrene, unless specifically FM Approved as part of the assembly (consider both interior or Class 1 rating and exterior fire exposure). Heritage buildings. In a fire, the energy from the heat vaporises the crystalised water calcining the gypsum and to help resist fires. According Seal the seams with joint tape and cover with joint compound (mud). According to This gypsum panel is a substrate board, thermal barrier, and/or cover board for commercial roofing applications. It scores and cuts easily, and is specially coated on the front, back, and sides to help reduce fiber fly and irritation, making for Using a fiberglass mat gypsum substrate like DensDeck ® Roof Boards instead of a foam cover board like HD ISO (high-density polyisocyanurate) can help increase the durability of your roofing system. Free or royalty-free photos and images. Fire Performance: FM Class 1 for fire barrier requirements and UL Class A unlimited slope with excellent surface burning characteristics. Both gypsum and fibreglass are classified as non-combustible materials. Gypsum Board and Associated Finishing Products 1-1 LIFE CYCLE ANALYSIS OF GYPSUM BOARD AND ASSOCIATED FINISHING PRODUCTS 1. The The DensDeck Prime Roof Board has a patented design that consists of a water and moisture resistant treated gypsum core laminated on both sides to a mat glass facer. AREAS OF APPLICATION Approved Substrates Concrete Light Weight Insulated Concrete Cementitious Wood Fiber Polyisocyanurate Insulations Polystyrene Insulations High Density Polyisocyanurate Roof Boards Gypsum Cover Boards Cover Boards; USG Securock® Brand Gypsum‑Fiber Roof Board; Back to Parent USG Securock ® Brand Gypsum-Fiber Roof Board is a high-performance roof board for use in low-slope roofing systems. It has limited use cases and is primarily used for veneer plastering. However, this flexibility is advantageous across all roof types as it helps DensDeck and DensDeck Prime cover board are non-structural, glass mat-faced roof boards that feature a non-combustible, water-resistant and silicone-treated gypsum core panel. They can accept both dynamic and static loads. Ameri-can Society for Testing and Materials, Philadel-phia, PA. Check out our flagship products of Sheetrock® and Skyrock® gypsum boards. 4) Moisture Due to a material composition that includes 21% chemically combined water, high density gypsum cover boards provide enhanced fire resistance for roof build-ups. Fire Performance: Provides excellent fire performance, and demonstrates exceptional surface burning characteristics. Gypsum Board Definition: A building material consisting of a layer of gypsum rock sandwiched between two layers of special paper, We are leading Manufacturer and Supplier of Building Materials including Gypsum Board, Jointing Compound, Mineral Fibre Board, Suspension Ceiling System, Ceiling Tiles, Glass Wool, Acoustic Ceiling Tiles, Metal Ceiling Tiles, Metal Frames, G I Channel, Joint tape is used in traditional drywall installations to cover and reinforce the joints between drywall panels. This product is usually available with a coated or uncoated glass facer. 5, the highest r-value compared to non-polyiso cover boards of equivalent thickness, achieves an ANSI UL790 roof rating over combustible wood decks without the use of a slip sheet - and, at 11 lb. It can also help you—and all project stakeholders—avoid preventable problems in the future. Cover boards increase the roof’s resistance to external fire sources. A roof protection board is a thin mechanically strong gypsum core cover board that offers dimensional stability and superior protection to the roof assembly, enhancing its overall performance. Learn More. Gypsum cover board resists fracture from hail up to 1. It helps to create Different cover boards have different physical properties. In this crowded market, we aim to be your go-to supplier offering accessibility, quality, variety, and extraordinary DensDeck Roof Board is available in thicknesses of 1/4", 1/2" and 5/8" Type X. Details. Title: RS-5594 DensDeck 2-20_V1. These boards are also known as plaster boards that are made using gypsum plaster that is pressed between two thick sheets of paper. This moisture- and mold-resistant gypsum panel is a substrate board, thermal barrier, and/or coverboard for commercial roofing Application and Finish of Gypsum Board. This gypsum cover board is enhanced with a coated glass-mat facer that achieves FM VSH approval rating with adhered 60 or 80 mil (smooth back) JM TPO membrane and standard JM TPO membrande adhesives when 4'x4' panels are adhered in low rise foam adhesive using the ribbon application with 12" O. ™ Prime Roof Board Enhanced Coated Glass Mat Faced Gypsum Cover Board RS-5646 7-20 (New) Meets the requirements of ASTM C 1177 Note: Technical information on this data sheet is intended to be used as a general guideline only and is subject to change without notice. It is used to cover both sides of the gypsum core and can be firmly bonded to the core materials. 0 INTRODUCTION This report presents cradle to gate life cycle inventory estimates for gypsum board and associated finishing products, and explains how the estimates were developed. Impact Protection. Cover boards are already a key component for roof build-ups of mission critical projects, where facilities must operate 24/7 without interruption. , wood fiber, moisture-resistant gypsum boards) disperses the point loads, typically over the entire cover board area, reducing the prospects of the compression damage and facer separation. 2. 2 m x 2. The unique construction of DensDeck Prime Roof Boards provides excellent flute spanning and will help stiffen and stabilize the roof deck. HD polyiso roof cover boards provide the protection of traditional material options with the added performance of thermal insulation. Gypsum is also more commonly referred to as drywall. 5, higher than any non-polyiso cover board. National Gypsum Company is the exclusive service provider for products manufactured by Gold Bond Building Products, LLC, A high density cover board/thermal barrier with a heavy coated fiberglass facer and mold resistant gypsum core. Resistance To Damage: High impact, flexural and compressive strength provides a protective layer for insulation while working with the membrane above to ensure maximum performance and longevity. Its unique fiber-reinforced, homogeneous composition gives the panel strength and water resistance through to the core. 7 mm) 5∕ 8" (15. Excellent fire performance (FM Class 1 and UL Class A per UL 790) that also acts as a thermal barrier to improve building efficiency. Two layers of gypsum (as a thermal barrier and cover board) improve performance even more. Cover board selection considerations: High R-Value (2. Learn more today. They may also be inserted in lay-in grids and/or secured by clips. It provides exceptional bond and low absorption in adhered The use of a noncombustible cover board, such as a glass-faced gypsum board, has been recommended since 2006 by both the NRCA and the Midwest Roof Contractors Association. All Construction Solutions All Construction Solutions If the compressive strength of the EPS board is less than 20 psi, then a gypsum cover board must be installed over the board for load distribution and Our gypsum boards are the result of over 100 years of scientific studies and success. X X HA CA HW SA MF FA ¼" (6. EnergyGuard™ NH HD Barrier is TCPP Free, has an R-value of 2. An independent moisture resistance test conducted by PRI Construction Materials in 2017, in accordance with ASTM C473, is a good illustration of the difference between various types of gypsum fibre boards and DensDeck® Prime Roof And some cover boards, such as gypsum-based cover boards, act as a thermal barrier to help prevent outside fire from transferring to the interior of the building. Careers. Rated Extreme Wind Uplift. – Georgia Pacific. Gypsum fiber. 5/8" (16 Coated mat-faced gypsum cover boards are semi-rigid. Each option provides a host of performance benefits to the roof system. InsulBase HD delivers an R-value of 2. With its combination of fire resistance, strength and dimensional stability, industry professionals count on DensDeck® Roof Boards to enhance the performance of their roofing systems. The modified variant offers high mold and water resistance, making it ideal for use as partition boards. When used to The cover board can be specified in high noise commercial settings, such as airports, to help design the noise out of the building and increase occupant comfort. , photovoltaic and vegetative roofs), and attachment options that can be utilized specifically with glass mat gypsum cover boards Learn About Cover Brands: To help prolong the life of your roof system, choose from a variety of cover boards that offer a protection barrier from fire, moisture, and heavy traffic. Consult the system manufacturer for actual priming requirements. A typical 0. Cover boards are installed above the insulation layer and below the waterproofing layer of adhered or partially adhered and mechanically fastened roof systems. Fire Performance: FM Class 1 for fire barrier requirements and UL Class A unlimited slope with excellent surface burning In this post we compare two of the most frequently specified high performance cover boards: cement boards and fibreglass mat faced gypsum boards. They often use roof coverings made from traditional materials, Summarize the advantages related to the construction process and cost benefits when including a cover board in all types of commercial roof assembly design. To be in accordance with ASTM C1177, the board needs to comply with the Georgia-Pacific Gypsum continues on next page no gap gap DensDeck® Roof Boards Gypsum Fiber Roof Boards install the panels with gaps, which affects installation procedures. When used as roof boards and installed below the insulation layer, the gypsum board can help to stop the spread of an internal fire into gypsum boards may be fixed by nailing, screwing, or sticking with gypsum based or other adhesives. 35 mm) 3/ 8" (9. Tested in accordance with ASTM E84, its surface burning characteristics are Flame Spread-0 and Smoke Developed-0. Scores and snaps easily. Gyproc ® Core Board (For Shaft & Duct Encasement) is a 19mm thick gypsum board used in Lift & Service Shaft areas where High Performance Fire Resistance from 60minutes to 120minutes is required. Additionally, DensDeck Prime has been shown to withstand delamination, deterioration, warping, and job site damage The use of high-density cover boards (e. Perlite roof insulation, in contrast to fiberboard, is a fire resistant option for your roof. The fibreglass mat facers can also help improve compatibility with waterproofing membranes and achieve stronger adhesion. It has some unique features Fibreglass mat face gypsum cover boards, such as the DensDeck® roof board, retain all the performance-enhancing characteristics that a high-density gypsum core offers with the added benefits of increased fire performance. Composite options also exist in which the base insulation is manufactured directly to the cover board above, providing a dual-purpose solution in a single product. To increase the fire-resistant qualities of gypsum boards, they High-Density Polyisocyanurate Cover Boards Cover Board Thickness Direct Membrane Attachment InsulBase HD ½" Mechanically-Fastened SecurShield HD ½" Mechanically-Fastened Fully-Adhered SecurShield HD Plus ½" Fully-Adhered SecurShield HD RL ½" Hook & Loop Gypsum Cover Boards DensDeck™ ¼", ½", 5⁄8" Mechanically-Fastened DensDeck Prime ¼ EnergyGuard™ HD Barrier has an R-value of 2. 35 mm) ½" (12. Our products are DEXcell Glass-Mat Roof Board is a gypsum cover board that can be used in mechanically fastened single ply systems. Our Products. widths and lengths - 4'x4' and 4'x8' standard. Recommendation by the National Roof Contractors Association . This process ensures a strong, seamless, and professional finish for your interior walls. Scores and snaps easily; Provides Polyiso, Polyiso Cover boards and Cover board Fastening Guide:: Standard Guarantee Requirements Polyiso and Cover Board Fastening Guide Standard Guarantee Requirements We protect what matters most Gypsum Cover Board 4 4' x 8' (1. 9 mm) Strength Compressive Strength, psi (kPa), nom C 473 900 (6,205) Flexural Strength, lb, parallel, min C 473 40 80 100 GYPSUM-FIBER ROOF BOARD High-performance gypsum-fi ber roof board for use in low-slope commercial roofi ng systems • Exceptional bond and low absorption in adhered systems • Moisture- and mold-resistant • For cover board applications, 1/4 USG Securock® Brand Gypsum-Fiber Roof Board should not be installed below 32° F. By GP Gypsum | Considering this in terms of a single 1219x2438mm glass mat gypsum cover board of 15. With high tensile strength and permeability, the gypsum board cover paper offers a Fireproof Shaft Wall. Peter explains: “Without the cover board, and the vapour control layer membrane that weatherproofed the roof, we would not have been able to achieve the ‘Wild Air’ date set for the project. Moisture and Mold Glass Mat Faced Gypsum Cover Board. No gapping is required when using any thickness of DensDeck panels as a cover board. >80 psi minimum compressive strength. 4mm), 1/2″ (12. Features. The assembly should maintain a Class 1 or noncombustible fire rating Provides 5 times the R-value at 5 times less weight than traditional gypsum cover boards. A Wood & Gypsum Cover Board Including a high-performance roof board in your roofing system is essential to the protection of the building and the valuable contents inside. It fits seamlessly into the retaining channel, allowing you to quickly and easily build the GypWall Shaft system from one side. Commercial roofing board used as a cover board, thermal barrier, or substrate board; Noncombustible gypsum panel with zero flame spread and zero smoke developed when tested in accordance with ASTM E84; Provides enhanced Wind uplift resistance; With a non-combustible gypsum core, it has 0 flame spread and 0 smoke developed when tested in accordance with Features. Meets the requirements of ASTM C 1177 Handleability: Coated fiberglass facer ideal for mechanically fastened systems improves handling and strength. Identify the roof system types, specialty systems (i. {{ProductMetaDescription}} Go to main content English (US) English (US) technology which help to improve the coverage and performance of membrane adhesives as compared with systems with no cover board. Home. per 4’ x 8’ board, it’s a fraction of the weight of gypsum cover boards. Notable technological improvements during the decade included the invention of air-entrainment equipment to make Gypsum board ceilings can then be finished with wallpaper, laminates, and paints. 3 in (33 mm) in diameter Polyisocyanurate roof insulation (without cover board protection) resists fracture from hail up to 0. Fire Resistant(Class A Rating) Wet Compressive Strength. Depending on their classification, cover boards can be used over both combustible and non-combustible decks in low slope and flat roof systems of residential and commercial buildings. Dens-Deck provides an excellent substrate for all types of conventional low-slope roofing membranes, particularly in fully adhered assemblies. Related Posts: 10 Gypsum Ceiling Design Ideas; Categories Material. This allows roof access and helps protects the membrane from punctures caused by incidental impact or dropped tools during the construction stage and maintenance visits. Gypsum Association, Washington, D. What is a Gypsum Board? A collection of panel goods is referred to as “gypsum board. indd Created Date: 4/16/2020 9:55:24 AM ® GYPSUM-FIBER ROOF BOARD Gypsum and Cellulose Fiber Cover Board Typical Physical Properties Test ASTM SECUROCK Gypsum-Fiber Roof Board ¼" (6. g. and the National Gypsum Co. They often use roof coverings made from traditional materials, The moisture resistant gypsum core cover boards in conjunction with a vapour control layer membrane helped seal the building sooner by expediting the roof weather tightness. DensDeck® Roof Boards are FM tested and approved as the only 1/2" gypsum product to meet the calorimeter We have gained expertise in delivering a quality range of Plaster Gypsum Board. Dreamstime is the world`s largest stock photography community. DEXcell® FA VSH Glass Mat Roof Board DEXcell® FA VSH Glass Mat Roof Board is competitively priced, easier Securock® Brand Gypsum-Fiber Roof Board's unique, fiber-reinforced, homogenous composition gives the panel strength and water resistance through to the core. A fraction of the weight of gypsum cover boards. The work was commissioned DensDeck® Prime Roof Boards have been enhanced with EONIC™ Technology, a patented system that delivers advanced moisture performance and mat-to-core bond strength. And at 11 and 13 lbs. Advantages of Cover Boards Dens-Deck is a non-structural glass mat applied over a silicone-treated gypsum core panel. The blue board gypsum board or plaster baseboard comes with a surface layer that has superior absorption abilities. We are the most durable Gypsum Board Traders in Gujarat. While there are many cover board products available, including traditional gypsum board and polyisocyanurate (or polyiso) technologies, high density (HD) polyiso cover boards are specifically designed to provide a combination of impact resistance and ease of installation. 40 per square foot over a 20-year lifespan and increased the percentage of roof assemblies (86% to 52%) that met their full life expectancy, in each case as compared to a single-ply HDP cover boards are a closed-cell high-density polyiso product that contribute less dust than gypsum products when cutting the boards. EnergyGuard™ NH HD Polyiso Cover Board meets all the inherent properties and performance polyiso is known for and has the highest R-value (2. Fibreglass mat faced gypsum cover boards have a high moisture resistance, but the exact performance will vary by manufacturer. Many people don't realize that Sheetrock is This includes gypsum cover boards and mineral wool or expanded glass insulation. Can the fire resistance of mat-faced gypsum cover boards match that of cement boards? Both gypsum and cement are classed as non-combustible materials as described and tested by ASTM E136. 7 mm) 5/ 8" (15. Scores a 10, the Unlike typical gypsum-based roof cover boards, EVERBOARD’s plastic cellulose core does not disintegrate or delaminate in the presence of water, giving roofing systems and the entire building a much longer performance life. Enhanced Coated Glass Mat Faced Gypsum Cover Board. Mada Plus IR is produced in wide variety of length, width, thickness & edge types to cover the entire spectrum of the requirement. Enhanced Face Mat: Coated fiberglass facer ideal for fully adhered systems provides a broader compatibility and higher Dense materials slow down soundwaves, and DEXcell cement and gypsum roof cover boards rank among the densest materials that can be incorporated into roof assemblies. DensDeck StormX Prime Roof Board is the first high-performance gypsum roof cover board designed to help prepare commercial rooftops to hold tough under the dangers of impact and puncture caused by very severe hail conditions. Refer to the Safe Use Instructions and product label prior to The different kinds of cover boards include: Gypsum Fiber: fiber-reinforced gypsum board that does not have a fiberglass mat facer; Gypsum: gypsum board with and without a factory laminated fiberglass mat facer; Wood DEXcell FA VSH ™ Glass Mat Roof Board Heavy-Duty Coated Glass Mat Faced Gypsum Cover Board Typical Physical Properties Test ASTM 5∕ 8" (15. In addition, HDP cover boards do not cause itching, leading to overall worker satisfaction and improved productivity. e. C. Cover boards break “cold joints” in roof systems having a single layer of insulation. 7 mm) 5⁄8" (15. Ensconcing the gypsum core are layers of paper that not only provide the boards with a protective covering but also affix Gypsum board used to cover columns. Gypsum board is also known as the drywall or plasterboard It is a building material used for walls and ceilings. With 80 psi compressive strength Gypsum- and cement-based cover boards, in particular, can improve fire code ratings as part of the assembly. Noncombustible gypsum panel with zero flame spread and zero smoke developed when tested in accordance with ASTM E84 (6. Product Data DESCRIPTION APPROVALS PHYSICAL PROPERTIES PACKAGING AND DIMENSIONS DensDeck StormX DEXcell® Roof Board products cover the entire spectrum of commercial roofing applications. Atlanta-based Georgia DEXcell FA VSH Roof Boards help reduce the amount of adhesive used and may eliminate the need for a field primer. At the same time, the trend for companies to lower their carbon footprints by reducing their reliance on fossil fuels led to an increase in alternative roofing systems, such as vegetative and Enhanced Coated Glass Mat Faced Gypsum Cover Board. 9 mm) Strength Compressive Strength, psi (kPa), nom C 473 900 (6,205) Flexural Strength, lb, parallel, min C 473 40 80 100 Bending Radius, ft (m), max NA 4 (1. Whether your building shelters expensive equipment or valued people, DEXcell Roof Boards will cover more than your roof. Assemblies in these tests with thermoplastic membranes and high-density ISO cover boards Perlite Roof Cover Boards. Advantages . The product is classified for use in approved assemblies meeting FM Global’s Very Severe Hail Standard set in 2018. Absorbs 20% Less Water than The COVER BOARD DESCRIPTION THICKNESS MEMBRANE ATTACHMENT FM 1-90 APPROVAL (FASTENERS PER 4' X 8' BOARD) NOTES Polyisocyanurate Cover Boards - ASTM C 1289 Type II, Class 4, Grade 1 An exceptional fire barrier, thermal barrier, and re-cover board with a pre-primed surface to make the bond even stronger. Pallets need not be broken or redistributed as they might need to be with other products. 1. 25" (6 mm) minimum 8 8 8 8 12 12 Blue Ridge STRUCTODEK ® GYPSUM-FIBER ROOF BOARD Gypsum and Cellulose Fiber Cover Board Typical Physical Properties Test ASTM SECUROCK Gypsum-Fiber Roof Board ¼" (6. Specifically designed for use as a cover board. 9 mm) Strength Compressive Strength, psi (kPa), nom C 1278 1,800 (12,411) Flexural Strength, lb, parallel, min C 473 40 70 110 161 To feed this demand, high-density ISO (HD ISO) and gypsum fiber cover boards were introduced to the market and glass mat gypsum boards were enhanced to improve adhesive coverage. Tests were conducted by Gypsum core cover board forms a solid and homogenous substrate compatible with most adhered and partially adhered roofing membranes. 9 mm) Strength Compressive Strength, psi (kPa), nom C 473 900 (6,205) Flexural Strength, lb, parallel, min C 473 100 Bending Radius, ft (m), max NA 8 (2. The chemical make-up of the DensDeck® Roof Boards gypsum core contains 21% chemically combined water to 79% These include cementitious board, asphaltic core board, and glass-faced gypsum board. These boards are made with a A ½ inch (12. Even some of the more traditional materials now come with specially factory applied facers intended for use in torch-on membranes or to enhance adhesion under other membrane systems. Therefore, they are often simply referred to as fire boards. This helps protect the insulation layer below the cover board from compression of roof foot traffic or mechanical loads of plant on the roof. Some cover board types bring more benefits than others. 5/8" thickness meets the requirements of Type X per ASTM C 1177. Use them in commercial designs under lifetime, perpetual & worldwide rights. The glass fibre facers on As a cover board, Securock® Brand Cement Roof Board can be used with a variety of membranes and systems. Germany Jobs. At the same time, the trend for companies to lower their carbon footprints by reducing their reliance on fossil fuels led to an increase in alternative roofing systems, such as vegetative and Gypsum core cover boards with fibreglass mat facers provide a compatible, homogenous substrate for the installation of waterproofing membranes that results in a stronger, more robust bond. 9mm) thicknesses, 4 foot Discover the right roofing materials for your commercial, residential, and multi family projects. (For more details on fire ratings of roof assemblies with Cover Boards & Insulation > Cover Boards; USG Securock Gypsum-Fiber Roof Board Gypsum-fiber roof board is a high-performance roof board for use in low-slope roofing systems. - To cover fastener heads with joint compound. Terrazzo Flooring – Everything You Need to Product Long Description DEXcell® FA VSH Glass Mat Roof Board achieves FM 'VSH' approval with fully adhered JM 80 mil (smooth back) TPO membrane and standard JM TPO membrane adhesives, 4x4' panels can be adhered in JM Gypsum DensDeck® Prime Roof Board Enhanced Coated Glass Mat Faced Gypsum Cover Board ideal for fully adhered systems provides a broader compatibility and higher performance with roofing adhesives. Engineered to provide exceptional wind Download Gypsum Cover Board stock photos. DEXcell® Glass Mat Roof Board has coated fiberglass facers and an enhanced mold-resistant gypsum core. Meets the requirements of ASTM C 1177 Fire Performance: FM Class 1 for fire barrier requirements and UL Class A unlimited slope with excellent surface burning characteristics. Slovakia Jobs. This moisture- and mold-resistant gypsum panel is a substrate board, thermal barrier, and/or cover board for commercial roofing applications. 9 mm) C 1177 DensDeck® Roof Board Glass Mat Faced Gypsum Cover Board. It is moister and mold resistant and meets FM Class 1 fire barrier requirements. Drywall ceilings are typically connected to the ceiling joists and the joints are taped and mudded in order to conceal them. As well as reducing noise, the board is fire resistant and resists moisture as part of a system to help protect shafts during both construction and use. Meets the requirements of ASTM C 1177 Handleability: Unmatched mat-to-core tensile bond strength, easy to cut and has reduced facer delamination. Features and Benefits » High-density insulating cover board » 80 psi compressive strength » Exceptional protection against hail and rooftop traffic » Higher R-value than wood fiber and gypsum cover boards Yes, DensArmor Plus® is a non-paper faced gypsum board and is acceptable in areas below base flood elevation. Moisture and Mold Resistance: Scores a 10, the highest performance level for mold resistance, when tested in accordance In terms of material, cover boards are commonly made with gypsum or polyiso. Answers to many of these questions are found in an Association document revised in 2019, GA-231 Assessing Water Damage to Gypsum Board. Following are the most common cover boards in use today: Glass-mat-faced and Fiber-reinforced Gypsum: Gypsum boards had been used in the roofing industry as a substrate and cover board but lacked resistance to moisture and the paper facer often proved problematic. The cover board can also help to contain the sound within noise polluting buildings, such as factories. The cover boards provided a structurally strong, smooth surface to adhere the membrane and provided an additional sound barrier while, most importantly, protecting the rigid insulation boards from foot traffic, hail impact, wind uplift, and fire. Its unique, fiber-reinforced, homogenous composition gives the panel strength and water resistance through to the core. Specification of fibreglass mat face gypsum cover boards is ideal for both new datacentre projects and roof renovations that seek fast project delivery times and exceptional building performance. The material is durable ® FA Glass Mat Roof Board Heavy-Duty Coated Glass Mat Faced Gypsum Cover Board Typical Physical Properties Test ASTM DEXcell FA Glass Mat Roof Board ¼" (6. a cover board in mechanically-attached single-ply systems only. Mada Plus IR have high density gypsum core with glass fibers and special additives in strong paper liners to provide high impact rating. The cover board protects both low slope Brahmani Enterprise is the most sturdy Gypsum Board manufacturers in . It makes up the lining component in British Gypsum GypWall Shaft systems. DEXcell FA Glass Mat Roof Board is a cover board with a heavy duty coated fiber glass facer. 5 and a compressive strength of 80 psi. 5, the highest r-value compared to non-polyiso cover boards of equivalent thickness, and also achieves an ANSI UL790 roof rating over combustible wood decks without the use of a slip sheet - and, at 11 lb. Part 1 covers plain boards, Part 2 covers laminated/coated boards, and Part 3 covers reinforced boards. these types of ceilings are often textured to help deaden sound and also cover any surface imperfections Used to bond insulations and cover boards to approved substrates and/or to intermediate insulation boards. Mineral fiber Mineral fiber cover boards are manufactured as rigid high-density boards. 8 fasteners/board Reduced fastening option Gypsum Cover Boards – ASTM C1177 DensDeck . Extend the life of the roof by protecting its insulation from hail, equipment and foot traffic. 2) 6 (1. 4 mm) ½" (12. Glass fibre faced gypsum core cover boards have been specifically developed with fire resistance in mind as both the main components are classified as non-combustible. 5 in (13 mm) in diameter Results of testing to measure the energy and ice-ball size impacting a fully adhered PVC, TPO or EPDM roof system before board fracture and failure. Provides an FM 1-90 wind uplift rating with only 8 fasteners per 4′ x 8′ board. 9 mm) Strength Compressive Strength, psi (kPa), nom C 473 900 (6,205) Flexural Strength, lb, parallel Fiber-reinforced gypsum cover boards typically are available in sizes 4 by 4 feet or 4 by 8 feet and 1/4 of an inch, 3/8 of an inch, 1/2 of an inch or 5/8 of an inch thick. 5) of any cover board without any halogenated flame retardants – making it your best choice for a sustainable building design. This section discusses each type of board and the pros and cons The Glass Mat Gypsum Substrate type X is a special fire-resistant board that goes beyond the resistance that regular gypsum boards offer. The cover boards are easier to carry and maneuver around the roof. The DensDeck Prime Roof Board can be used as cover or underlayment board. Gypsum: A gypsum core and a glass-mat facer provide protection from moisture and mold. Cover boards have been recommended by the National Roof Contractors Association (NRCA) since 2000 and the use of a non-combustible cover board such as “glass-faced gypsum board” has been recommended since 2006 by both the NRCA and the Midwest Roof Contractors Association (MRCA). 5” thick HD polyiso roof cover board has an R-value of 2. Some cover boards, like moisture-resistant gypsum boards, have glass-fiber facers. The term Product and tech support, custom solutions, code assistance, and more 877-423-7663 Option 4, then Option 3 Sarnatherm® XPS is a rigid extruded polystyrene insulation board that can be used in either a Sika roofing or waterproofing application. Cover Gypsum board cover paper can be produced in basis weights ranging from 140–160 g/m 2. Gyproc Moisture Resistant consists of an aerated gypsum core with water repellent additives encased in, and firmly bonded to, strong moisture resistant paper liners that are green in colour. 2. 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