Insulation & Air Sealing in Lake Oswego, OR

Insulation without air sealing is like wearing a warm coat full of holes. That holds true across a lot of Lake Oswego, where the city’s own housing analysis shows most homes date to the 1970s and 1980s, built before current energy codes and often since expanded with additions that don’t always match the original insulation and sealing work.

What that means day to day: rooms that never quite match the thermostat, especially in additions or bonus spaces added after the original build, drafts around older windows and doors, and a heating system working harder than it should. Adding insulation without addressing air sealing underneath it rarely solves the problem on its own. We treat the two as one job because that’s how building science works.