Energy Efficiency

Three previous articles in this series addressed the significance of air leakage control, various air barrier materials and methods, and installation and inspection practices. In this fourth and final article, we address blower door air-leakage testing.

Remodels, new builds and add-ons are booming. In July alone, the City of Palo Alto issued about 200 building permits for various home upgrades, everything from simple lighting improvements and installation of electric car chargers, to kitchen and bathroom updates, to the full deconstruction and rebuilding of a home.

U.S. plywood producers claim a competing product from Brazil has a high risk of failure in major hurricanes, but consumers can’t tell because the imported wood is falsely certified as structurally sound.

In this article we’ll present the two methods that work together to achieve compliance with modern energy code air leakage requirements.