craw-way

Hi, I have a bungalow that uses trusses that have a 6m span which are spaced apart by 0.6m for a total length of about 12m (about 20 trusses). Each truss uses 4 webs/posts in a 'w' formation. Forgive me if this is not the correct terminology. The trusses are made from 72mm x 36mm timber. The...