Designs for Rural Alaska Walls

CCHRC has used spray polyurethane foam insulation to build affordable demonstration homes in rural Alaska since 2009. While spray foam has a high insulation value and competitive shipping cost, it requires skill to install and any errors can result in a drastic drop in energy efficiency of the building. This project will allow CCHRC to  evaluate some of the existing homes in rural Alaska for moisture infiltration, including Quinhagak and Bethel. CCHRC will also evaluate additional insulation materials and wall designs that could be developed for new homes in rural Alaska. The project will result in detail drawings of new envelope options and a 4 page report to share with rural communities and other stakeholders.

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Projects

Little Ventilation Project Looking at ventilation systems that can improve indoor air quality in small homes while limiting energy use.
Slab-on-Grade Foundation Best Practices An evaluation of best practices for insulating under slab-on-grade foundations
Garage Wall Analysis CCHRC is looking at attached garages to see if they adequately prevent pollutants from entering the house.
Vacuum Insulated Panel Test CCHRC is testing how Vacuum Insulated Panels can be assembled to achieve extremely high R-values in cold climate homes.
Structural Insulated Panels Structural Insulated Panels (SIPs) are prefabricated building materials used in residential construction in Alaska. This project prepared resources for homeowners who want to learn about SIPs, where they are used in cold climates, and considerations for Alaska.