Building Components

Walls/Openings » Air Sealing Walls/Openings

This guides describes how to insulate and air seal attic knee walls and floor joist cavities under knee walls.

Guide describing the air sealing of rim joists on walls connecting homes and attached garages.

This guide describes installation procedures for continuous rigid insulation to help provide thermal protection, reduce thermal bridging and provide a moisture barrier. 

Guide describing construction and insulation techniques for double wall framing.

Guide describing methods for insulating an unvented crawlspace or conditioned basement with rigid foam on the interior side of the walls to provide an insulated space for HVAC equipment.

Guide describing ways to air seal an attached garage.

Guide describing ways to pest-proof a home’s foundation.

Guide describing how to repair areas affected by wind washing in existing homes.