Duct thru internal wall detail is given in this 2D AutoCAD DWG drawing file. Duct installation details are mentioned. Walls, mastic fill, vapour barrier, air duct, insulation, non flammable adhesive mastic, sheet metal duct and 25mm thickness of insulation is provided. Download the 2D AutoCAD DWG drawing file. Thank you for downloading 2D AutoCAD DWG drawing file and other CAD program files from our website.
