DC315 is a fully tested and approved intumescent coating to meet 15 minute Thermal Barrier and Ignition Barrier protection over Spray Polyurethane Foam (SPF). DC315 meets IBC/IRC codes in the USA, Canadian NBCC and many international Building Code Requirements. In…
Grizzly Gold HFO closed cell spray foam is designed to maximize thermal and environmental performance. Grizzly Gold is a high performance closed cell medium density spray foam insulation system that offers an industry leading R-6/inch LTTR value. . The CAN/ULC…
In this article “R” Fairy Tale: The Myth of Insulation Values, David B. South from the Monolithic Dome Institute describes the application of insulation layers. “We use three inches for most of our construction. Two inches will do a very…
Over “R” 20 Achieved In 2×4 construction!! Water vapour permeance is the speed at which water goes through a homogeneous material. The National Building Code stipulates that a vapour barrier must have a water vapour permeance of less than 1.05…
