Our wooden roof construction structure CAD drawing is perfect for anyone looking to build a reliable and durable roof. Our design includes all the necessary details and specifications mention in cad file With our insulated roof hatch and curb integral flashing, treated wood blocking, 15mm S.S. exp. bolts 600mm O.C., and single-ply membrane roofing, lap sealant, and membrane flashing, download free wooden roofing structure section CAD drawing.