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.
Roof rafter sizes south africa.
50 x 228mm rafters.
38 x 38mm battens.
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.
Sans 1460 laminated timber gluglam sans 1701 1 sawn eucalyptus timber part 1.
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.
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.
Diy building kitchen deco and garden hypermarket offering the best prices and range.
Sans 1288 preservative treated timber.
Truss hangers in a variety of sizes and shapes for different applications.
In many areas of the country roof timber must be treated with cca copper chrome.
And types that are not standard south african sections nor types.
Sans 1701 2 sawn eucalyptus timber part 2.
50 x 152mm rafters.
The truss is a framework consisting of rafters posts and struts which supports your roof.
Our sabs approved timber rafters are availble in.
Sans 542 concrete roofing tiles.
Bracing of top chords of rafters for a tiled roof with a span of less than 6 6m.
I be not less than 15 nor more than 30 for class a or class c covering.
Ii be not less than 17 nor more than 35 for class b covering.
Essential properties for a roof the south african national building regulations sans 4 2 states that.
Any roof covering and waterproofing system or part thereof must.
C where rafter and tie beam sizes are to be determined from table4 the slope of the roof shall.
Roof trusses things to consider.
Sa pine cca treated.
Free returns in store.
Softwood timber pine is usually used for roof structure construction in south africa.
50 x 76mm purlins.
