Insulating Attics

Posted on
Repairing a Rotting Roof

Water dripping from a skylight is often more than a flashing problem; to fix this... More

Posted on
Air-Sealing Attics In Existing Homes

For best results, locate the heat loss with a blower door and an infrared camera. More

Posted on
Insulating Unvented Attics With Spray Foam

Closed-cell polyurethane foam provides the insulation, air barrier, and vapor... More

Posted on
A ‘Best Principles’ Cold Roof Assembly

Jeremy Kassel explains why belts and suspenders are needed when it comes to using... More

Posted on
Air-Sealing the Lid

Nick Lehto shares his tried-and-true solution for ensuring an airtight ceiling... More

Posted on
Avoiding Wet Roofs

Peter Yost explains the building science behind common moisture problems in attics... More

View All

Insulating Attics Instruction

Posted on
Top (and Bottom) Building Science Resources
Creating a Palette of Foam-Free Superinsulation Details

There’s more than one way to build a highly insulated, air-tight house—or to tighten up and super-insulate an existing home. Here’s a look at an evolving array of superinsulated details that don’t use spray foam. More

Posted on
Reusing Loose-Fill Cellulose

Working around existing attic insulation to seal air leaks may be more cost-effective than removing and replacing it More

Posted on
Fire Retardant in Spray Foam

Is it a potential health hazard? More

Posted on
Attic Insulation for Hot Climates?

It makes as much sense keeping the summer heat out as keeping the winter heat in. More

View All
RSS
Close X