Roof Rafter Sizes South Africa

And types that are not standard south african sections nor types.

Roof rafter sizes south africa.

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. Sans 1288 preservative treated timber. Essential properties for a roof the south african national building regulations sans 4 2 states that. Sans 542 concrete roofing tiles.

50 x 76mm purlins. All web members shall be not less than 38mm x 114mm grade 5 timber. C where rafter and tie beam sizes are to be determined from table4 the slope of the roof shall. 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.

38 x 38mm battens. Free returns in store. Sans 1701 2 sawn eucalyptus timber part 2. Bracing of top chords of rafters for a tiled roof with a span of less than 6 6m.

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. Sa pine cca treated. I be not less than 15 nor more than 30 for class a or class c covering. Any roof covering and waterproofing system or part thereof must.

50 x 152mm rafters. Sans 1460 laminated timber gluglam sans 1701 1 sawn eucalyptus timber part 1. The truss is a framework consisting of rafters posts and struts which supports your roof. 50 x 228mm rafters.

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. Softwood timber pine is usually used for roof structure construction in south africa. General rules for the construction of roofs. Diy building kitchen deco and garden hypermarket offering the best prices and range.

Truss hangers in a variety of sizes and shapes for different applications. Our sabs approved timber rafters are availble in. Ii be not less than 17 nor more than 35 for class b covering. 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.