Roof Rafter Sizes South Africa

Ii be not less than 17 nor more than 35 for class b covering.

Roof rafter sizes south africa. In many areas of the country roof timber must be treated with cca copper chrome. The truss is a framework consisting of rafters posts and struts which supports your roof. 38 x 38mm battens. Any roof covering and waterproofing system or part thereof must.

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. Our sabs approved timber rafters are availble in. Sa pine cca treated. Truss hangers in a variety of sizes and shapes for different applications.

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

50 x 152mm rafters. And types that are not standard south african sections nor types. Bracing of top chords of rafters for a tiled roof with a span of less than 6 6m. Essential properties for a roof the south african national building regulations sans 4 2 states that.

Roof trusses things to consider. Sans 1288 preservative treated timber. Sans 542 concrete roofing tiles. Softwood timber pine is usually used for roof structure construction in south africa.

Free returns in store. Sans 1701 2 sawn eucalyptus timber part 2. I be not less than 15 nor more than 30 for class a or class c covering. 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.

50 x 76mm purlins. 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. 50 x 228mm rafters. Diy building kitchen deco and garden hypermarket offering the best prices and range.