Cold floors in winter almost always trace back to a crawl space that is not sealed or insulated. Warm air leaks out where the floor framing meets the foundation, and the floors above never feel warm no matter how high you run the heat. We insulate the space so the floors stay warmer and your heating bill comes down.
Where we insulate
We insulate the rim joist and box headers, the band of framing around the outside of the crawl space where most of the heat escapes, and the exterior foundation walls. We use unfaced batts in the box headers and rigid foam board on the walls. We do not use spray foam, for a few reasons we are glad to explain on site.
Insulation works best in a crawl space that is already sealed and dry, so we look at the moisture first. If the space is damp, we handle that with a vapor barrier or encapsulation so the insulation is not fighting humidity.
Owner-operated out of Roachdale since 2011, serving Central Indiana. Book a free inspection and we will tell you where the heat is actually leaving.
Common questions
What is rim joist insulation and why does it matter?
The rim joist, or box header, is the framing where your floor meets the foundation. It is one of the biggest sources of heat loss and cold floors in a home with a crawl space. Insulating it is one of the most effective fixes for cold floors.
Do you use spray foam?
No. We insulate the box headers with unfaced batts and the exterior walls with foam board, and we are happy to walk through why on your inspection.
