Roof truss span table australia Span The overall distance SPAN TABLE DESigN DATA In particular, the following Australian Standards have been applied: AS1170 Parts 1 & 2-1989 SAA Loading Code and AS4055-1992 Wind Loads for Housing. Some typical examples are shown below. MAXIMUM ROOF SHEET LENGTH ROOF COLOUR THROUGH FIX CONCEALED FIX Light 25 m 33 m Dark 17 m 25 m Where buildings are designed with roofing runs greater than the table above, expansion joints are SPAN TABLE DESigN DATA In particular, the following Australian Standards have been applied: AS1170 Parts 1 & 2-1989 SAA Loading Code and AS4055-1992 Wind Loads for Housing. 5 in AS1720. It is intended that these tables will be used by engineers to assist in the preliminary design 1) Refer to general notes for information that is relevant for all span tables. SpanMan increase member sizes in accordance with Australian Codes if the member supports brittle loads. The span tables have NOT considered the 1. Wind Classification 1 & N2. Table 5 Posts . 3:2016. If there is no cantilevered floor then set C=D in the calculation of Load Width. If A is much greater than C or vice versa, then the Lintel selection from the table will be conservative. The table below gives the maximum Uplift Load Width (ULW) for two (2) tie down spacing's. 5 of AS 1684. e the span of the rafter (or roof truss) from the roof beam to the next adjacent beam or wall. 2 and 3. 68 Metal roof battens have been in use in Australia for around 40 years. 5/12 39 39 53 41 44 61 44 50 65 47 52 70 Roof truss height: 2. TIMBER FRAMING. g. 5 12 truss span uniformly distributed load (udl) center point load (cpl) third point loads (tpl) quarter point loads (qpl) meters feet load (plf) deflection (in) global About the Tables Before You Use These Tables 13 How to Use the Stratco Purlin & Girt Tables 13 Assumptions 13 Suspended Loads 13 Deflections 13 Span Configurations 13 Economical Span Configurations 13 Load Capacity Tables 75 C Sections 14 Single Spans 15 Two Continuous Spans 22 Two Lapped Spans 29 Three Lapped Spans 36 Four Lapped Spans 43 Thickened global truss f34 load span table limited based on strength and l/180 deflections deflection deflection deflection 2 2. Metal roof battens may be used with steel or tile cladding. WTCA REPRESENT ATIVE ROOF TRUSS SP ANS GENERAL NOTES Truss spans shown are examples of truss spans for the loadings and truss configurations shown. Pergola Beam Spands. The PSTB is designed as an easy to use supplement to AS1684. org. Before selecting a member, reference should be made to the design Australian Standards such as AS1170 series (Loading Codes),AS4600 (Cold-formed steel structures) and AS3623 (Domestic metal framing). 5 6 6. Minimum protective coating. 5 12 truss span uniformly distributed load (udl) center point load (cpl) third point loads (tpl) quarter point loads (qpl) meters feet load (plf) deflection (in) global 153 -187 Discovery Road, Dandenong South, VIC 3175 Australia. 87 6. T2 Blue LGL T2 Red Beam 15 T3 Hyne’s premium F5 timber far surpasses the 21% moisture content set by the Australian Standards for MGP10+ products. Created Date: • Lintels – Supporting roof loads only Table 13 19 • Lintels – Supporting girder truss Table 14 20 • Lintels – Supporting roof & single storey floor loads Table 15 21 ROOFS Rectangular Buildings • Rafters Table 16 22 • Ridge & Intermediate Beams Table 17 23 • Ceiling Joists Table 18 24 A ‘truss’ is formed when structural members are joined together in triangular configurations. This span table is to the format and methodology given in BS 5268-7. 20kPa, 0. • Lintels – Supporting roof loads only Table 13 19 • Lintels – Supporting girder truss Table 14 20 • Lintels – Supporting roof & single storey floor loads Table 15 21 ROOFS Rectangular Buildings • Rafters Table 16 22 • Ridge & Intermediate Beams Table 17 23 • Ceiling Joists Table 18 24 FLOOR TRUSS SYSTEMS . It contains span tables covering various primary and secondary beam spans with common design floor loadings. Get a quote today! SPAN TABLES 04 23 20 Roof Members Floor Members Bearers – Supporting Floor Loads Only 23 Girder Truss 18 Lintels – Supporting Strutting Beams 19 Rafters 04 Roof Beams 06 member listed in the Span Tables is taken from Table 2. 2 coats alkyd primer Option 2. The PosiStrut® span chart in the tables, are not designed to support load bearing walls. 6. 2. This is set by the roof use you selected in the previous screen and cannot be modified. 1:2010 - Pocket Span Table Book The 330 page PSTB is in an easy to carry pocket sized (A5), durable and spiral bound format and includes span tables for commonly used sawn structural timber grades as well as engineered LVL and I-beam floor joist tables. External. At 15%, the timber is closer to the Equilibrium Moisture Content simply design more economical floor, wall and roof member layouts. Distance from roof beam to next roof support i. Typical Floor Truss Design Spans Load 1 Load 2 Roof Truss Span Tables 9 Top Chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 Bottom Chord 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 Pitch Spans in feet to out of bearing 2/12 24 24 33 27 27 37 31 31 43 33 33 46 2. SPAN TABLES 04 23 20 Roof Members Floor Members Bearers – Supporting Floor Loads Only 23 Girder Truss 18 Lintels – Supporting Strutting Beams 19 Rafters 04 Roof Beams 06 member listed in the Span Tables is taken from Table 2. It ensures that roof trusses in residential buildings are designed to meet structural and safety standards. Location. Design Members. This is the POSISTRUTS HOME OF GANG–NAIL BUILDING SYSTEMS VIC (03) 8795 8888 NSW (02) 8525 8000 QLD (07) 3268 1666 SA (08) 8234 1326 WA (08) 6218 5945 New Zealand (09) 274 7109 Malaysia (603) 3176 7473 6. AS 1684 span tables and bracing calculations In the spirit of reconciliation the Australian Building Codes Board acknowledges the AS 1684 – Four parts. 4: 3. 26. 2 Pre-cambering 6. So consider a simple gable roof on a 24-foot wide ranch framed with 2×6 exterior walls and a 1 1/2 ridge: the span would be 11’5 3/4″. It is the builder’s responsibility to supply all of the relevant information required for the truss designs. Methods of developing lateral restraint and providing adequate meyPINE3 is available in both structural and non-structural sections, this guide provides span tables for common loading scenarios using the structural section sizes. 10kPa (includes the weight of the roof (sheeting & flashings) and Colorbeam® beams only). Table 7 10kg/m2 = Polycarbonate/metal roofing This limited edition of the DuraGalPlus® Domestic Construction Manual has been prepared by Austube Mills based on the requirements of relevant Standards Australia and Industry specifications and in previous house testing. 6: 4. 16 4. Option 4. 4kN (strength criteria only) Section TS6160 TS6175 TS6110 TS6112 Single Span 1100 1800 3000 4000 2-Span Continuous 1300 2000 3400 4500 2/3 Lapped Continuous Span 1500 2200 3500 4600 INWARD CAPACITY 2-Span Lapped - Inward Capacity (kN/m) Floor truss span tables are courtesy of Trussway, Ltd. 1 of AS/NZS 1170. The design tables also include section property, member resistance and ultimate load tables calculated according to BS EN 1993-1-1: 2005 and its associated National Annex. Wall Frames Read more . 5/12 29 29 39 33 33 45 37 38 52 39 40 55 3/12 34 34 46 37 39 53 40 44 60 43 46 64 3. For spans of 8m to 13m, a steelbrace in an X-shape configuration shall be used. The tables are not intended to The STUDMATETM span tables are engineer designed and prepared using the design criteria in AS 1720. They evenly distribute weight to the walls, ensuring roof stability, and preventing sagging or collapse, and play a crucial role in maintaining a structure's overall integrity. mitek-us. 1 Layout Roof Trusses Read more . Visit the roof framing page for more information on cutting roof rafters, and visit the roof pitch calculator for determining rafter lengths based on rise and run. The span tables in this report allow for a maximum roof pitch Dead Load - spans are based on 40 kg/m2 (normal metal roof and ceiling load ) - for higher Dead Loads refer to Tecbeam Australasia or a Structual Engineer. au . 4 It contains span tables, surface treatmentspecifications and PO Box 304 Spring Hill Qld 4004 Australia Truss Roof Roof Trusses Lintel to be designed A Lintel span A Lintel to be designed Ceiling Joists Not to scale Rafters Lintels Conventional Roof = Maximum of Load Width Span Tables Index of span tables í ì Scope of this publication This Design Guide and Load Tables assist in the selection of SmartLVL® í ð- beams for most of the common structural ar-rangements met in domestic construction. 1, 1. N1 to C3 DuraGalPlus ® RHS as roof beams - rafters, under purlins, strutting beams, roof battens, ceiling joists DDCM Volume 1 February 2017 Foreword This limited edition of the DuraGalPlus ® Domestic Construction Manual has been prepared by Austube Mills based on the requirements of relevant Standards Australia and Industry specifications and in previous house testing. D3(Nov 2005). All tables are intended as a guide only. For instance, a hammer-beam truss behaves very little like a truss. Loads are calculated in accordance with Table 3. Attached Flat Roofs – pages 12 – 33 The Stratco Capacity Tables have been calculated in accordance with limit state design principles and comply with the Australian/ New Zealand Standard AS/NZS 4600:2005 Cold-formed steel structures. AS1684. Primary design software program includes generic span tables for various building elements (excluding verandah beams) enabling users to select sizes and load conditions to generate suitable member sizes and grades. 75 5. 153 -187 Discovery Road, Dandenong South, VIC 3175 Australia. Get a quote today! global truss f34 load span table limited based on strength and l/180 deflections deflection deflection deflection 2 2. Metal roof battens offer extraordinary strength to weight values and are lighter than timber battens. 2 (Residential timber-framed construction). wrightforestproducts. 2) For design parameters, refer to figure 7. Trusses, on the other hand, are triangular structural frameworks designed to support a building's roof. Sticky Menu: Version: Please help support us by telling friends and colleauges about this site! Advertisement. 1. Spacing The centerline-to-centerline distance between trusses. Metal roof battens offer extraordinary strength to cathedral roof bearer lw = = trussed roof bearer conventional roof coupled, unstrutted ridge support bearer lw = = support conventional roof coupled, strutted ridge support bearer = = support support x y z bearer ‘a’ bearer ‘b’ bearer ‘c’ floor joists continuous span beam span l1 2 single span beam span bearer floor load width Using span tables to size joists and rafters is a straight-forward process when you understand the structural principles that govern their use. Slope See Pitch. 99 1. 2: 1. AS4100-1998 Steel Structures. au enquiries@wrightforestproducts. 5. Moderate Note 1. 8kn) at 450mm centres TPO & BOTTOM ChOrD TIMBer TruSS DePTh (MM) roof via tie-down straps installed in accordance with Table 6. Search for: Internal Wall Screw Takes the time and labour out of tedious L Bracket connections SPEEDTRUSS™ A Better Way to Build a Roof Flooring Systems Fast & cost effective floor Environment. 1:2002. Let’s delve into the components of both a wall frame and roof Truss or rafter span Trussed Roof 9000 span 900 100 x 75 2/90 x 35 90 x 45 90 x 35 100 x 50 2/90 x 35 90 x 45 90 x 35 1200 125 x 75 except that allowable offsets and cantilevers of load bearing walls at right angles to bearers shall be as per table 4. HARDCORE™ steel aims to provide LGS solutions to residential, commercial, multi-story residential or commercial even tiny houses projects. Included are a series of representative roof truss span tables that will give you an idea of the truss spans available for a particular load condition, load duration, lumber type, and truss configuration. A truss consists of a group of ties and struts designed and connected to form a structure which acts as a large span beam. d) Maximum design wind speed of 74 m/s. Pryda Span Trusses (PW25, PW30, TW14, TW16) Pryda Span trusses have metal diagonal webs for light weight and economy. 001090 rev. 5 10 10. Bending moment and deflection formulae for beams • SPACING TABLES 50 – 120mm 7 • SINGLE, DOUBLE AND DOUBLE LAPPED SPANS 11 • PRODUCT DETAIL & INSTALLATION 12 • SPAN TABLES AS FLOOR JOISTS 14 • SPACING TABLES 22mm 15 • SPAN TABLES 40mm 16 • Australian Standard 4 • Material Compatibility 4 • Welding Implication 4 • Cutting Implication 4 • Walking Consideration 4 Calculate all rafter dimensions and cut angles to frame a roof - Metric. 2 coats alkyd gloss Option 3. 0 8. Phone number +61 2 8748 0180 Email enquiries@steel. com Equipment Manual Roof Truss Tables Part # and Rev. They have been generated using the latest version of the purlin and girt software developed by the Centre for Advanced Structural SUPPORTING GIRDER TRUSS • Truss Centres: 600mm • Eave Overhang: 550mm • Max Deflection: 5mm • Wind Class: N3 Table 14 MAXIMUM SINGLE SPAN (m) BOXSPAN SECTION SHEET ROOF & CEILING – 40Kg/m2 TILED ROOF & CEILING – 90Kg/m2 ROOF TRUSS SPAN (m) ROOF TRUSS SPAN (m) 6. 5 8 8. o AS 1170. 5 7 7. roof structure tables conform to wind classifications of either category N3 or N5/C2 as Roof trusses are a critical component of any structure with a roof. These spans were calculated using our rafter calculation engine. 4kN Our collection of span tables includes deck joists, floor bearers, upper lintels and more. Home. 8) Trusses in excess of 80'-0" are possible - refer to TrusSteel Technical Bulletin TB991102. 40kPa (includes the weight of the roof (sheeting & flashings) and Boxspan beams only). The loads to determine the span tables in the Spantec publication – Boxspan Residential Span Tables – Non Cyclonic Areas are as follows: ROOF LOADS • Dead Loads: 0. table 2: residential joists, rafters and purlins directly supporting plaster board ceiling roof weight 40 kg/m2 code beam size (mm) spacing (mm) 450 600 900 1200 1800 2400 t257ap10 248 x 71 7. Live Load - to AS/NZS 1170. Sizes Stramit® Top Hat TH64 series TH96 series Stramit® Battens 3 97mm (approx) 36mm 64mm 22mm Stramit® Top Hat TH64075,TH64100,TH64120 Stramit® Cyclonic Roof Batten Stramit® Roof Batten Stramit® Rafter Span Tables - Use these tables to determine lengths, sizes, and spacing of rafters based on several factors such as species, load, grade, and spacing. Roof Truss Tables. 0 – 2002 Structural design actions – General o Live Load (LL) – (1. Cyclonic Span Tables - Roofing Cyclonic Span Tables - Walling Cyclonic Span Tables - Residential Roofing Design Notes to Limit State Capacity Tables for D Class Wind The Building Code of Australia requires all roof cladding used in cyclonic areas to withstand a Low High Low (LHL) cyclonic testing regime. • Dead Loads: 0. 5C C Ridge Beam or Underpurlin B Notes: 1. 5 12 truss span uniformly distributed load (udl) center point load (cpl) third point loads (tpl) quarter point loads (qpl) meters feet load (plf) deflection (in) global Floor Truss Spans Every TrusSteel floor truss is a custom design based upon the unique load, span, bearing, use, and code criteria of a particular project. Australia. C Print Date 21 Design Notes to Span Tables Page 4 Technical Specifications Page 5 Working With Colorbeam® Page 6 Connection Details Page 7 How to Use Span Tables Page 9 Colorbeam® Span Tables For ease of use span tables have been categorised into typical applications for long and short spanning roof sheets. Customer Service - 1300 657 052. following table provides recommended maximum sheet lengths. Hot dip galvanised 300 g/m 2 min. 1 Introduction This Appendix has been taken from the OneSteelpublication, Design Note No. 86 1. 1() of AS 4773. Product grading of all members is compliant with AS1720 : Timber Structures. %PDF-1. 76 1. 8: 2. If A is much greater than C or vice versa, then the Lintel selec-tion from the table will be con-servative. designlT has been recently upgraded and the enhancements include: ' Beam sizing grouped in floor, wall and roofing applications ' Stud design, including design of notched studs along with top and bottom wall plates The structural sections comply with the following Australian Standards. This standard provides guidelines for the design of roof trusses, including span tables, member sizing, and load requirements. The PosiStrut® spans in the tables are indicative and will be specifically verified / designed in MiTek Roof Span Tables – Non Cyclonic Areas has been designed for the following loads: • Dead Loads: 0. “Single Span” is the span of a member supported at both ends with no intermediate support. GENERAL DESIGN DATA . c) Maximum truss span 16 m. 3 DOCUMENTATION . Internal. 5). 5 11 11. No protection required in a permanently dry location Note 8. Live Loads: 0. Slope: Loads are calculated in accordance with Table 3. Table 6 Roof Battens . MiTek Machinery Division 301 Fountain Lakes Industrial Drive St. 3. The relevant design assumptions are listed in the front of each table. In compiling the span tables in this publication all requirements of the relevant standards and codes have been adopted along with established practices for Domestic Housing Structures. 1:2015. 3. 2 - 2010 Certification Lintel span Roof Trusses Floor Joists Lintels Truss Roof and Floor Cantilevered floor Lintel to be designed A D Load Width A & C2/2D = Maximum of C Notes: 1. 71 1. Floor Joists Read more . 6 %âãÏÓ 1014 0 obj > endobj 1037 0 obj >/Filter/FlateDecode/ID[]/Index[1014 39]/Info 1013 0 R/Length 116/Prev 1993327/Root 1015 0 R/Size 1053/Type/XRef/W[1 APPENDIX C – SPAN TABLES C. 33m) and analyzing it as a simply-supported truss Span tables and other software resources from industry groups and manufacturers that assist in designing construction in compliance with codes such as AS 1684. b) Maximum roof pitch 45 degrees. As you know, figuring out rafter length and other truss dimensions is not the only thing you can use this tool for! Our roof truss calculator can also help out with planning out your roof project by estimating the truss count and SINGLE SPAN CONTINUOUS SPAN; Effective bearer spacing (m) Effective bearer spacing (m) 1. Bolt design for cold-formed sections is adequately covered in the Australian Use Hyne Design to get span tables for a wide range of Australian and New Zealand timber products. 5/12 29 29 39 33 33 45 37 38 52 39 40 55 3/12 34 34 46 37 39 53 40 44 60 43 46 64 span tables: roof framing span tables 8. For information how to apply this ULW for different roof configurations, refer to lause 9. true truss. Notes: The distance from ground level to the highest point of the roof, neglecting calculations and the process of the package requires identical methodology as that undertaken manually e. The diagonal struts transfer roof loads to the bottom chord where they Scab Additional timber connected to a truss to effect a splice, extension or general reinforcement. 3) Where rafters are equal to or exceed four times their breath, blocking should be used to reduce distortion. Contact your local Metroll branch for more information. 15kPa (includes the weight of This table illustrates the significant increase in span capacity by increasing floor truss depth and/or larger chord timber size, and higher timber grade. Sheet Roof Tile Roof Stud Spacing mm 450 450 Rafter Spacing mm 600 900 1200 600 900 1200 Stud Height RLW RLW 1/90 x 35 2400 7500 Click on a span to generate a full calculation (you can adjust the exact span and slope). The imposed uniformly distributed live load in the main span. 5mm (2100/600 = 3. The allowable spans for timber planks are given in Table 1 of section 2. These diagrams may also be used to determine roof load width for floor joists The angle between sling legs should be 60° or less and where truss spans are greater than 9000 mm a spreader bar or StrongBack should be used. Table 4 Verandah Beams. Span tables and other software resources from industry groups and manufacturers that assist in designing construction in compliance with codes such as AS 1684. Similarly, a queen-post truss is not always a true truss The truss shown below from the roof of the First Congregational Church in Canterbury, Connecticut, is not a true truss - it is a mongrel. Metal roof battens may also be used with steel or timber support framing. Part 1 relates to design criteria that can be used as a basis for the preparation of span tables and design data for the other parts. 0 12. The truss is one of the basic types of structural frames formed from structural members. Metal roof battens will not warp or rot global truss f34p load span table limited based on strength and l/180 deflections deflection deflection deflection 2 2. 0 B100-16 1. Span tables are designed for non-trafficable roofs Wind Loads o Span tables have been designed for the following wind Part 3 of AS 1684 deals with the design of roof trusses in residential buildings. 5 3 3. These span tables are the equivalent of other industry-standard span tables and are calculated to the same standards. 25) kPa where A is the roof tributary area in m2. 1 of AS 1684. AS 1684 Residential Timber Framed Construction has four parts: . A single steelbrace shall be used with the limitation in the span Roof load width (RLW) and Floor load width (FLW) can be determined from AS1684, or from the images below. This standard provides. 25kPa (non-trafficable roof). 9) Scissor trusses described in this table are You can use SBCA’s span charts to roughly determine truss sizes available. info@prydaanz. . 3 / v } µ ] } v The ( Metal roof battens have been in use in Australia for around 40 years. 2: It is preferable if the run nearest the roof apex is used for this purpose and fixed as each truss is properly positioned. 1:2010 - 2-Span Continuous 1800 2600 4000 5000 2/3 Lapped Continuous Span 2000 2700 4200 5600 Point Load: 1. Once you have the roof overhang, pitch, span, and rake length calculations, you can better Roof Truss Span Tables 9 Top Chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 Bottom Chord 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 Pitch Spans in feet to out of bearing 2/12 24 24 33 27 27 37 31 31 43 33 33 46 2. roof structure tables conform to wind classifications of either category N3 or N5/C2 as Spacing & Span Note HOPLEYS TRUSSES “Spacing” is the centre to centre distance between structural members and is assumed to be 450mm unless noted otherwise “Span” is the face to face distance between points of support for the structural members. 12 ≥ 0. For example, for a span of 2100mm, a 150 x 100 x 2400 Galintel® may have a load of 949 kg/m applied safely, with a maximum long term deflection of 1/600 span or 3. Charles, MO 63301 Phone: 800-523-3380 Fax: 636-328-9218 www. It is recommended that the truss manufacturer confirms all details prior to manufacture. GLUE LAMINATED beams. 2 Appendix B of “Preventing Falls in Housing Construction – Code of Practice – July 2012”. 41 6. Attention should be given to the load carrying • Enclosed building 7) Certain truss span and pitch combinations may require a truss to be "piggybacked" due to shipping restrictions. 1 Roof arrangement 6. For additional information regarding large span trusses, contact a TrusSteel Authorized Fabricator. Menu. Timbertruss is Australia’s leading prefab manufacturer of timber prefab trusses, wall frames, floors, posi struts & more. We have a diverse range of timber connectors & structural brackets. Use recommended minimum roof pitches as specified by roof sheet supplier. • manufacturer’s recommendations). 1:2010 - Angles & Flats – safe load tables Unless otherwise indicated, load values in the tables are limited by stress. Most roof truss sizes must determine how wide a Pryda Australia offer safer, faster, smarter, and easier timber truss & frame solutions. 6 and Figure 9. The load / span tables shown below demonstrate only a tiny subset of the possible combinations available with TrusSteel CFS floor trusses. 8/A + 0. Pre-Primed H3 Treated Timber Table 3 Roof Beams. This may vary from state to state. Software Support - 1300 832 473. 0 10. 5 4 4. They RIDGE BEAM AND INTERMEDIATE ROOF BEAM 13 VERANDA BEAM SINGLE SPAN 14 VERANDA BEAM CONTINUOUS SPAN 15 LINTEL BEAM 16 FREE STANDING POSTS 17 w r i g h t f o r e s t p r o d u c t s 375 Wests Road | Werribee | VIC | 3030 | T: +61 (0)3 9741 5633 www. au Roof Truss Span Tables Alpine Engineered Products 15 Top Chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 Flat--The most economical flat truss for a roof is provided when the depth of the truss in inches is approximately equal to 7% of the span in inches. 5 5 5. 5kPa/1. 0m; Roof angle: 29. Our roof truss design calculator will help you determine some of the details, including dimensions and basic principles of construction. 745° Enclosure: Open building; We will be using an L shape section for the roof truss, isolating the critical truss (spaced at 3. You must consider the roof truss for both weight and use from the very beginning of planning. Option 1. 5 9 9. Spans for residential floor loads (1. All roof loads to be supported by external wall only. Hip Roof Metric: Gable Roof Metric: Lean-to Roof Metric: Gambrel Roof: Saltbox Roof: Rafters Metric: Soffit Drop: Bullnose Roof: Pitch to Angle Timbertruss is Australia’s leading prefab manufacturer of timber prefab trusses, wall frames, floors, posi struts & more. 4 Joint resistances . Users with an understanding of AS1684, who are employed as a Frame & Truss Estimator or Detailer designing complex structures. 0: 3. Roof Truss Span Tables Alpine Engineered Products 15 Top Chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 Bottom Chord 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2/12 24 24 33 27 27 37 31 31 43 33 33 46 2. 0 6. Span tables are designed for non-trafficable roofs. These span tables have been prepared for a range of roofing applications in non-cyclonic wind regions using Boxspan® steel beams and brackets produced by Spantec Systems Pty Ltd. 17 5. All members are manufactured from H3 LOSP Radiata to either an F7 or GL8 structural grade and are to be used in accordance with the relevant span table. About us HARDCORE™ Steel is an Australian-owned steel framing company providing complete build solutions. com. NOTE: Clear spans shown on this chart are presented under the following conditions: (1) Bearing size varies and is determined by loading conditions, truss span and truss spacing; (2) "Strongback" bracing is not considered; (3) Assumes composite action with a single layer of 3/4" wood sheathing glued and nailed or screwed; (4) Spans are clear distance between supports Refer to the specific span tables in the Product Specifications for specific guidance on the most appropriate The length of a roof batten span will depend on the type of top hat section size being used and the weight load that is SPAN TABLES 04 23 20 Roof Members Floor Members Bearers – Supporting Floor Loads Only 23 Girder Truss 18 Lintels – Supporting Strutting Beams 19 Rafters 04 Roof Beams 06 member listed in the Span Tables is taken from Table 2. 5/12 39 39 53 41 44 61 44 50 65 47 52 70 Truss Roof Roof Trusses Lintel to be designed A Lintel span A Lintel to be designed Ceiling Joists Not to scale Rafters Lintels Conventional Roof = Maximum of Load Width A2/2B & 0. Shop DrawingDetailed drawings of a roof truss or roof framing showing critical dimensions such as span, overhang, cantilever, slope, etc. 3 Typical sections 6. Will have access features with warnings outside of the AS1684 building code. Equipment Support - 1300 657 052. For PosiStruts® that must support load bearing walls, contact your nearest MiTek office. Keep in mind that these tables are for estimations only. ldn urbczicb cud diotlmrmj yciemf wddqzay emllabye pdphdci nfkt nkrms