After the application of the roofing foam we apply a Silicone membrane, this is also spray applied in keeping with a seamless Monolithic system, this material is Hydrophobic (cannot be wetted) making ...

However, when going out to buy spray foams, theres one small obstacle that people face: Do I buy open-cell or closed-cell?

Closed-cell polyurethane spray foam has some pretty awesome qualities. It has a high R-value. Its resistant to water, mold ...