Better steel shingle systems, like the one shown, are installed over a framework of 2x2s. This framework has three big advantages. First, because the frame is screwed directly to the rafters and the ...
Framing anchors are typically made from sheet metal and have prepunched holes to accept nails ... They can be used to reduce the overall depth of flooring or a roof assembly, or to reduce space below ...
By contrast, floor trusses are used for floor framing and floor support. Typically, roof and floor trusses are made of wood or metal. They differ in terms of dimensions and may be sold as part of a ...