Open-cell spray foam insulation creates an R-value of around 3.5 to 3.6 per inch, ... High R-Value: Spray foam insulation typically insulates better than batts or other types of insulation.

Foam costs about $.15 per R-value per one square foot. So, if it costs $4,000 to insulate an entire house in fiberglass, it would cost a minimum of $12,000 to spray in closed cell foam.

Spray foam insulation: Mid-range R-value per inch; ... High R-value per inch; Rigid insulation boards: High R-value per inch; Each type of insulation comes with different pros and cons.

Closed cell foam expands to a denser and harder plastic material with an R-Value of at least 6.0 per inch. It's also a moisture barrier, which, depending upon the application, can be good or bad.

Closed-cell spray foam is a heavier, denser product that provides an R-7 value per inch of depth. “A 3" layer of closed-cell (foam) in a wall provides R-21, plus it’s a vapor barrier and air ...

Every product has its pitfalls, and spray foam is no exception." There are some wonderful features about spray foam, most notably its high R value per inch and its ability to act as a continuous ...

Spray polyurethane foam was the most wonderful stuff for dealing with these because of its very high R-value, or resistance to heat transfer, per inch of thickness.

Investing up front in spray foam insulation and heat pumps are two wise choices for Prince Edward ... "This is a fantastic product that really gives a high volume of R-value per inch," Silver ...