Guides A-Z

Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

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

Guide describing vapor retarder permeability, insulation interaction, and example construction in a hot-humid climate.

Guide describing ways to construct wall assemblies in cold climates to minimize the likelihood of condensation formation inside the walls.

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

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.