BASC Search | Building America Solution Center

Limited attic access can make inspections for missing air barriers and insulation challenging

Image

Cost Analysis of Roof-Only Air Sealing and Insulation Strategies on 1 1/2-Story Homes in Cold Climates

Reference

Report exploring alternative methods to find long-term solutions to energy loss in 1 ½-story homes to save energy, improve comfort, prevent frost buildup on the underside of the roof deck, and reduce the risk of ice dam formation/reformation.

Limited attic access may make it necessary to use a bore scope when inspecting for missing air barriers and insulation in existing buildings.

Image

Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall

Image

An IR camera image shows gaps around HVAC flue pipes allow conditioned air to leak through blown fiberglass into the attic

Image

New Whole-House Solutions Case Study: Insight Homes: Deep Creek, Seaford, Delaware

Case Study

Case study describing a home builder that has refined its home designs to achieve HERS scores of 49 to 56 on 40 to 70 homes per year.