How does Spray Foam Insulation control moisture movement and condensation?

"I've used Good Life on three occasions for retrofit insulation.   My home is now more comfortable.  They have proven to be trustworthy and efficient."

-Rachel R. Hartsdale, NY

"The 40% reduction in usage looked suspiciously high even though the numbers have been double and triple checked - the annual variations are quite staggering!"

-Judy F. Westport, CT