Closed cell spray foam
Closed cell spray foam provides a greater R-value than open cell spray foam. This product reduces air leakage better than any other type of insulation, as it expands to fill the nooks and crannies of building cavities easily.
Applications: Under slabs; walls (below and above grade); ceilings; roofs
R-Value: R-7.5 per inch
Highest performing insulation
Air and moisture barrier
Installation requires significant prep in the space
Higher cost per square foot