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Walls & Openings


Solution Center Guides


Guide describing how to avoid using wet materials and reduce moisture exposure in construction.

Information guide providing background information about moisture flow in residential buildings.

Guide describing how to install moisture-resistant materials on walls behind showers and tubs to help manage moisture.

Vapor retarders can be a crucial part of the building envelope and can help manage moisture issues to keep the home dry. However, before installing a vapor retarder, installers must be aware that in some instances vapor retarders can increase the likelihood of condensation issues.

Guide describing installation of a fully sealed continuous weather resistant barrier to help drain water away from above-grade walls.

Guide describing how to repair or replace skylights in existing homes. 

Guide describing how to apply flashing to the bottom of exterior walls to create a continuous drainage plane.

Guide describing how to install flashings to help direct water down and out at all the openings in a wall system.

Guide describing how to conduct a home performance assessment before beginning retrofit projects in existing homes.

Guide describing how to correctly choose building materials.

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

Guide describing the design and installation considerations for recladding of above grade walls using insulated vinyl siding.

Guide with details about how to provide a continuous water control layer across the roof assembly by sealing all roof penetrations in existing homes.

Guide describing how to insulate the sill beam or sill plate on the exterior side in a way that allows drying to the exterior, as part of an exterior wall upgrade.

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

Guide describing an approach to re-roofing an existing flat roof to improve thermal, water, and air control performance.

Guide describing how to re-roof an existing home with a sloped roof.

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