Spray foam insulation costs 1 36 to 2 63 per square foot depending on if it s open or closed cell.
Cavity wall spray foam insulation cost.
Simply enter your zip code and the square footage next click update and you will see a breakdown on what it should cost to have cavity wall insulation installed in your home.
Board feet a board foot is a useful metric to know when it comes to spray foam installation.
For a 200 square foot wall cavity to be filled with spray foam insulation will cost between 300 and 600 again the precise location within the range is determined by the factors above.
That breaks down to anywhere from 0 35 to 2 per board foot installed.
Semi detached house 475.
Bungalows are cheaper due to their height with cavity wall insulation for a detached bungalow likely to cost around 400.
The average cost of applying spray foam insulation is 1 879 with most homeowners reporting costs between 1 024 and 2 948.
Mid terrace house 370.
Below are typical costs for installing cavity wall insulation in different types of houses.
For an average 2 200 square foot home open cell foam insulation costs 1 254 for the minimum 1 5 thickness and 2 926 to spray the maximum 3 5 thickness on average while a closed cell foam installation costs 6 776.
The cavity wall insulation cost estimator will provide you with up to date pricing for your area.
A 10 x 10 area equal 100 square feet.
The costs for cavity wall insulation will vary depending on the size of your house and the insulating material the contractor deems appropriate.