Recent content by engineeringteacher

No not purchased them yet as cant get info on thickness of trusses so not totally sure about what covering to use. open to suggestions though :? Would like to keep cost down which is a factor.

I hear you about the sagging. Has to be 500mm apart for 15 degree pitch. They are very light weight which for the span I thought would be needed (and cheapish). Will listen to anyother suggestions though. Thought about baching with board. really need the size of the wood needed to make trusses.

Ladies and gentleman can you help please. Need to build a new roof with corregated bitumin panels (wicks) for my workshop. Span unsurpported is 5,20m (17') by 16'4". Want to use a 15 degree pitch ( planning regs says 12 and i wont need permission). No span tables for this shallow pitch as far as...