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Moisture-resistant plastic and fiber cement exterior trim and cladding are indistinguishable from wood building elements.

Publication Date

Thu, 06/03/2021 - 12:00

Material Properties of Rigid foam Insulation

Publication Date

Mon, 10/01/2007 - 12:00

Install all layers of the drainage plane to overlap, not underlap, to direct bulk water down and out of the wall.

Publication Date

Thu, 11/01/2007 - 12:00

Flashing of Wall Penetrations in Existing Homes

Guide describing how to install flashing that is integrated with air and water control layers around piping, vents, and other wall penetrations as part of an exterior wall retrofit.

Rigid foam insulation can serve as the drainage plane when all seams are taped. Furring strips provide an air gap behind the cladding.

Publication Date

Sun, 04/01/2012 - 12:00

Flashing of Roof-Wall Intersections in Existing Homes

Guide describing how to install and properly integrate flashing at the intersection of the wall and roof on an existing home.

Drainage Plane Behind Exterior Wall Cladding

Guide describing installation of a fully sealed continuous weather resistant barrier to provide a drainage plane to keep rainwater out of above-grade walls.

Taped Insulating Sheathing Drainage Planes

Guide describing techniques for installing insulating sheathing as a continuous drainage plane on walls.

Windows and Doors are Fully Flashed

Guide describing how to install flashings to help direct water down and out of windows and doors openings in exterior walls.

Moisture-, Impact-, Fire-, and Pest-Resistant Exterior Siding

Guide describing how to select the siding materials best suited to withstand hazards the home is likely to face within its lifetime.

Rigid Foam Insulation for Existing Exterior Walls

Guide describing how to apply an air control layer directly over existing wall sheathing and cover with two layers of insulating sheathing held in place by vertical furring strips.