
Is $830 to spray foam second floor cantilever a fair price?
Project Details
The second floor has a slight cantilever that makes the floor cold. The homeowner is concerned about thermal bridging of the joists and is considering doing the demo and insulation removal themselves to save on costs. They are also debating between spray foam and Rockwool.
Quote Details
Spray foam insulation for a second floor cantilever area. - Closed cell spray foam application - Homeowner responsible for demo and existing insulation removal - Joists are 2x10s
You say...
Vote Distribution
These ratings are not endorsed by Quote Critic. They are submitted by other Quote Critic users like you.
More Details
Category
Insulation
Price
$830
Quote Date
April 8, 2026
Year Built
1982
Insulation Type
Spray foam
Comments
No comments yet
Sign in to share your thoughts and ask questions.
Similar Quotes
Spray foam the attic
- Service: Spray foam insulation - Coverage: All visible areas within the attic space - Purpose: Improve temperature regulation for the second-story living area
Spray 5" open cell foam on rim joists
This quote is for spray foam insulation for the rim joists of my cantilevered house. - Rim Joist Depth: 3 feet - Total Length: 176 linear feet - Material: 5 inches of open cell foam - Contractor Recommendation: Open cell foam is suggested due to the deep cavities (over 10-12 inches) to prevent production issues that can arise from building closed cell foam too thick in such depths.
Insulate attic decking with closed cell spray foam
Install spray foam insulation on the attic decking of an old home. - 3 inches of closed cell 20lb spray foam - Application to attic decking - Covers a large attic space with 4 gables and a 17ft peak