Roof insulation

Best practices for building vented and unvented cathedral ceilings with information on related codes and some practices to avoid.

Building scientist Joseph Lstiburek explains when to vent your roof, when not to, and how to execute each common roof-venting approach successfully.

Rigid-foam insulation installed above the roof assembly can create an energy-smart roof.

The building science behind the latest code changes provides design guidance

Take humidity and condensation very seriously in your converted adventure van. Read about where condensation comes from, take on what to do to tackle the issues before they arise, and what products to use. Targeted audience are PNW'ers :)

Building scientist Joseph Lstiburek explains when to vent your roof, when not to, and how to execute each common roof-venting approach successfully.

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Ridge vents sit at the peak, or top of your home. They sit above the roof shingles, to let warm, moist air from your attic, escape outside because ...

Vous songez à faire isoler votre toit pour profiter d'un meilleur confort thermique et phonique au quotidien ? Voici tout ce qu'il faut savoir sur ces travaux !

Understand when to vent your roof and when not to, and how to execute each approach successfully. Reprinted with permission from Fine Homebuilding, Aug/Sept 2011, pages 68-72.