Roof Rafter Sizes South Africa

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Roof rafter sizes south africa.

Sans 542 concrete roofing tiles. 50 x 152mm rafters. Sans 1460 laminated timber gluglam sans 1701 1 sawn eucalyptus timber part 1. Bracing of top chords of rafters for a tiled roof with a span of less than 6 6m.

Diy building kitchen deco and garden hypermarket offering the best prices and range. Our sabs approved timber rafters are availble in. 50 x 76mm purlins. Resist the penetration of rain at least to the extent that any water which may penetrate the roof is of insufficient intensity to run down the inside surface of the.

Ii be not less than 17 nor more than 35 for class b covering. The truss is a framework consisting of rafters posts and struts which supports your roof. Sa pine cca treated. 3m 3 6m 4 2m 4 8m 5 4m 6m and 6 6m laminated beams availble on order 76mm x 228mm or made to order.

Softwood timber pine is usually used for roof structure construction in south africa. And types that are not standard south african sections nor types. Any roof covering and waterproofing system or part thereof must. Sans 1288 preservative treated timber.

In many areas of the country roof timber must be treated with cca copper chrome. 38mm x 114mm 38mm x 152mm 50mm x 152mm 38mm x 228mm 50mm x 228mm all our timber rafters are available in the following lengths. The important point to keep in mind when you use your truss calculator is that every truss calculation is completely unique and is based on the size of your roof and its specific dimensions. Roof trusses things to consider.

I be not less than 15 nor more than 30 for class a or class c covering. Sans 1701 2 sawn eucalyptus timber part 2. All web members shall be not less than 38mm x 114mm grade 5 timber. We design roofs using the roofcon licenced software this allows for the design of custom roof trusses to the specifications set in place international truss systems structural roof truss package also known as roofcon trusscon quotecon is used for the design detailing estimating manufacture and 3d visualisation of complex trussed rafter roofs.

They have different density and strength specifications to timber locally available sizes and designs may need to be adapted to suit local sizes and conditions. Truss hangers in a variety of sizes and shapes for different applications. 50 x 228mm rafters. Essential properties for a roof the south african national building regulations sans 4 2 states that.