Faom Lok 2000 is a good alternative to fiberglass insulation since it will offer better seamless air barrier, and air filtration to reduce energy loss and also build a healthier, energy-saving building envelope. At 3.9 R value it is less than Foam Lok 2000 and offers no structural vaue to the building and a good vapor barrier needs to be applied. Also is considered a "Green Building Material"
