BuildaBetterHome.org
Walls
Care in wall design, particularly around window and door openings, can prevent damaging moisture build-up. Download construction details to ensure that the walls keep moisture out. Click 
to download the detail as a JPG or go to http://www.apacad.org/cad_detail.cfm?id=12#c24 to download BBH Wall details in .DWG, .DWF, .DXF and .PDF formats.
- Windows
Cross-section of window in a wall with wood siding
Flashing window when using house wrap
Flashing window when using building paper
Cross-section of window in brick veneer over wood wall
Cross-section of window with cement stucco over wood wall
- Doors
Sill flashing at sliding glass door
Building paper around a door opening
- Ledges / Intersections
Flashing and weather-resistive barrier at brick ledge
Flashing at termination of cement stucco over wood wall
Flashing at brick veneer-to-roof intersection
Flashing at stucco-to-roof intersection
Weather-resistive system at wall penetration
Weather-resistive system at exterior deck
Caulked joint geometry
- House Wrap
Z-flashing in single-wall system with panel siding
Proper air barrier installation (2-story wall shown)
Air installation details using header wrap
Rain-screen wall details
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Download a PDF of the BBH Walls Brochure