So if you are looking for a strong insulation, a closed-cell spray foam is what you want to grab. As for smaller fill-ins, an open-cell foam will do just fine. The post The Difference Between Open ...

This starts with the cost per board foot of the two types of spray foam insulation: open-cell and closed-cell. Open-cell insulation costs between $.41 and $.80 per board foot, while closed-cell ...

The open-cell option has an R-value comparable ... Blown-in fiberglass or cellulose insulation and spray foam are common choices for wall cavities. They can be used in conjunction with foam ...

Closed-cell spray foam is gaining significant traction in the insulation market due to its high R-value (6–7 per inch), structural strength, and resistance to moisture. Its superior thermal ...