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Roof-span-tables, rafter span tables - use these tables to determine lengths, sizes and spacing of rafters based on a variety of factors such as, species, load, grade, spacing and pitch. 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.. Use the span tables below to determine allowable lengths of joists and rafters, based on size and standard design loads. you can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths., surveyors’ span tables for designing roof rafters. for pitched roofs, flat roofs and ceiling joists. surveyors and structural engineers utilise data from tables below to help calculate the correct size, strength and centres of roof timbers for the required spans and loadings..

Roof rafter, joist and beam design part 4 of residential structural design tutorial. on this page we will explain how to design with roof rafter span tables and how to read all types of joist and roof span tables for residential framing., www.woodhouse.com.au span tables & technical guide for further information please visit woodhouse.com.au or call toll free: 1300 880 662.

Span guide for . residential framing. fully supported by . september 2011. 2. contents general 2 terminologybe used for specification where alternate 3 bearers 4 floor joists 6 lintels 8 rafters 12 ceiling joists 15 hanging beams member16 underpurlins 17 strutting beams 18 roof beams 20 verandah beams 22 garage roof . pitching beams 23 common installation details 25 notches, cuts and holes in ..., ® patio roofing selection tables stramit building products manufactures a range of roofing profiles for patio applications, offering a wide choice of styles and a high quality finish. stramit® patio roofing makes it easy to create elegant verandas, patios, barbecue areas and carports. now stramit has issued technical data tested.

Access more span tables. hyne timber design 7.5 includes the engineering properties and span tables for hyne timber, wesbeam, tilling, carter holt harvey and louisiana pacific products., span calculator for wood joists and rafters also available for the android os. also available for the android os.. Pitched roof timber sizes. the following tables give details of the allowable spans and spacing for some of the more common timber sizes used in traditional roofing construction. all the figures are based on roofing tiles or slates laid on timber laths over sarking felt.