| 单词 |
spray foam insulation |
| 释义 |
Spray foam insulation Spray foam insulationAn insulation that is sprayed into place and then expands to fill cavities. It acts as both an insulator and a sealant and is an alternative to the standard insulation bats. The two types of spray foam are open cell (isocyanurate) and closed cell (polyurethane). Closed-cell foams typically have a higher R-value than open-cell foams. |
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