Roofing units drawings 2d view sectional units autocad file
<p>Roofing units drawings 2d view sectional units autocad file that shows roofing materail details along with welded and bolted joints and connections along with angle sections details. Roofing structure parts of roofing materail details main and sag tie details principcal ragter details purlin details and other detais of roofing blocks.</p>