Interior Roof Insulation Retrofit for (Cathedral Ceiling) Rigid Foam.

Step 3//Flanged window installation // face sealed // building paper

Whole-House Fan Air-Sealing Details

Air sealing at attic hatch // finish screws

How to Build an Insulated Cathedral Ceiling

Whether you decide to make it vented or unvented, get the details right — because every cathedral ceiling offers opportunities to make big mistakes

Don’t Try This At Home: Armchair Building Science

Is the mold on the plywood in this attic the result of inadequate attic ventilation or air leakage?

Green Remodeling is a Process of Discipline and Discovery

When you're talking about building and remodeling three words should be part of the conversation: Green, smart, and quality. Some parts are up to consumers, some are up to us.…

Heating and cooling the outside

What's wrong with this picture? a) The air handler and duct work are in the hottest and coldest part of the house. b) The wall insulation isn't working. c) There's…

Roof Framing Choices: Engineered Lumber, Trusses, or SIPs?

Framing Roofs with Trusses or I-jJoists Uses Less Wood