Is $5,500 to inject foam insulation into walls a fair price?
Project Details
We hired RetroFoam to inject foam insulation into our 1920s house in central Austin. I had made them aware that the walls were not sealed at the bottom and they said, if necessary, they would seal them before installing the foam. After installation, we saw no difference in AC usage and an energy audit showed gaps at the bottom of the walls. The franchise sold to headquarters, who is now denying warranty liability.
Quote Details
Injection of foam insulation into the exterior walls of a 1920s home. - Inject foam insulation into wall cavities - Seal wall bottoms if necessary (not performed)
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More Details
Category
Insulation
Price
$5,500
Quote Date
April 8, 2026
Location
Texas
Year Built
1920
Insulation Type
Spray foam
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