Selected generic NBS specification clauses covering carpentry/timber framing/first fixing. Clauses deal with general information and requirements, types of timber, workmanship, jointing and erection and installation. NBS Specification Clauses: G - Structural/carcassing timber
Trussed rafters are extensively used for roof framing for all types of buildings. They now include attic, or room in the roof trusses. This sheet considers standards and quality control, materials, trussed rafter design and overall roof design, with a final section on handling and storage.
