It s also used extensively in commercial development.
Closed cell foam insulation cost.
For open cell insulation the average price for a project this size would be 2 700.
Closed cell spray foam is used in residential construction but usually below grade in crawl spaces and basements.
For closed cell insulation the average cost works out to 5 400.
Closed cell spray foam insulation costs 0 90 to 1 50 per board foot.
Labor costs and thickness add to this total.
Closed cell spray foam insulation costs zip code sq.