Spray Foam Insulation Case Studies: Efficiency Upgrades - Sterling, VA

Tuesday, May 14th, 2019 by Justin Dobson

Challenge

This Sterling, VA homeowner had a storage "knee-wall" attic area of their home that was cold and drafty. Carl Depner performed a full comfort and energy evaluation to find a ton of air entering this area, AND found uninsulated and leaky HVAC ducting.

Solution

Carl put together a complete solution using closed cell spray foam insulation and "Thermax" foam boards. Thermax foam boards and closed cell spray foam insulation were used to turn this knee-wall area into a conditioned space, thus making it "inside" the building's envelope.

Project Summary

Evaluator: Carl Depner

This knee-wall area was cold and leaky. The HVAC ducting was also leaky and not sufficiently insulated.

Closed cell spray foam insulation was used to seal and insulate both the roof decking and the HVAC ducting. Now the air travelling through the HVAC ducts stayed warm in the winter....and cool in the summer.