Insulation & Air Sealing

A great choice for exterior foam on foundations is a borate-treated expanded polystyrene (EPS) that performs at a similar R-value to extruded polystyrene (XPS) but is much less environmentally unfriendly.

In this video, learn what stone wool insulation is, how to calculate and install it in wall cavities, and why it is so effective.

Travis and Joe walk through the step-by-step process of prepping, caulking, and flashing a window using stretch tape and flashing tape from ZIP System.

Fibrous insulation is hard to seal on exterior walls when installing heat pumps. These plastic tubes can help.

Installed between the roof sheathing and insulation, these baffles help improve energy efficiency.

Building science expert Robby Schwarz talks about the revisions in the 2021 IECC and how to effectively apply them to make homes more energy efficient.

An expert weights in on how to boost performance without ruining the look.

LP has released a liquid-applied sealant for use on panel seams, window and door openings, and other tricky transitions.

Wood-fiber panels, blown cellulose, and a taped air barrier help solve the comfort and ice-dam problems common with Cape-style houses.

See how the team at FHB House Kansas assembles a solid corner with backing on both sides for consistent nailing on multiple types of siding.