Run the sheets from the apex to the ends of the rafters. The sheets will need cutting. All joins must be over a rafter or under a purlin. 9. The Purlins Nail three rows of purlins to each side of the roof, overhanging each end by 25mm (1″). Fix the top row about 75mm (3″)...
Install the roof trusses. Support the first truss using poles, rope or braces. Then brace your additional trusses against those previously installed. Step 10 Nail in the purlins. These are 2-by-4 inch pieces of lumber secured onto the outer edge of the stringers to help support the weight...
Timber-related problems such as woodworm, dry rot and wet rot often come hand-in-hand with the overriding problem of damp. This can be expensive to fix, and one of the biggest house renovation costs, so factoring in any work that needs to be done with your remodelling costs is vital. ...
A truss is a type of built-up structural member that can be used in place of a single girder or beam. Trusses are made from multiple straight members (generally made from wood or metal) arranged in triangles. This design allows a truss to...