DEAR TIM: I am currently installing rigid foam insulation around the exterior of my foundation. I’m installing three inches of it to a depth of 10 to 13 inches below grade to keep the heat in ...

It’s denser and more rigid than open-cell insulation ... When budgeting for a spray foam insulation project, there are a few factors to keep in mind, including the spray foam’s thickness ...

Pros: Foam board, aka rigid foam, is made from fibrous materials ... you can find the recommended R-value for common insulation projects. For example, an uninsulated attic should end up between ...

However, if you use a rigid foam board that has a vapor barrier ... that you consult with an expert when choosing insulation materials for a project like this. If you’re already going to be ...

Thirty-seven years ago, I was the first person in Cincinnati to install foam insulation in a residential large room addition project ... out of square with the rigid foam in between the studs.

but unless you buy one of those DIY spray foam insulation kits, the largest by far is the cost of labor. Depending on your market, labor for a typical job runs 27-39% of typical project expenses ...

More information: Meghan E. Lamm et al, Tailorable thermoplastic insulation foam composites enabled by porous-shell hollow glass spheres and expandable thermoplastic microspheres, Polymer (2022 ...