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Guides A-Z

Guide describing how to frame and insulate corners to reduce the heat loss and gain though structural framing.

Guide describing how to insulate headers over doors and windows to reduce heat loss and heat gain through solid wood framing.

Guide describing how to air seal duct and flue shafts. 

Guide describing how to air seal a whole-house fan system.

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

Guide describing how to install a bathroom fan to remove excess moisture, cleaning chemical fumes, etc.

Guide describing how to air seal and insulate a cantilevered floor.

Guide describing how to create a capillary break at all crawlspace floors using polyethylene sheeting to manage moisture in crawlspaces.

Guide describing how to insulate and air seal dropped ceilings and soffits to prevent air leakage.

Guide describing how to install ducted returns in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.

Guide describing how to properly grade a site so water will not saturate the soil, and penetrate into the foundation.

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

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

Guide describing how to install jump ducts in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.

Guide describing how to install efficient kitchen exhaust systems.

Guide describing insulation techniques for skylight shaft walls.

Guide describing how to install step and kick-out flashing on roofs.

Guide describing how to install transfer grilles in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.

Guide describing how to install ventilation air inlets in open locations at a safe distance from potential air contamination sources.

This guide describes how to install a rigid air barrier to walls behind fireplaces.

This guide describes how to install a rigid air barrier to walls behind showers and tubs.