The Rehab Guide, Volume 2: Exterior Walls (Part 1) The Rehab Guide, Volume 2: Exterior Walls (Part 1) 8/1/1999 (PDF - 730kb)  This guidebook from HUD informs builders, architects, engineers, and other housing rehabilitation professionals about innovations and state-of-the-art practices regarding exterior walls. Part 1 discusses design & engineering, masonry/brick veneer, sheathing, vapor retarders & air infiltraion barriers, insulation, and vinyl siding. |