EcoStar Glacier Guard, GG 100 Roofing Underlayment BAR15-75 They can mold and mildew

They can mold and mildew

and provide a rock solid permanent bond to solid and engineered hardwood

Cause #1: Clear coatings lack UV protection and gray in 1-2 years

If you are outside our territory

Like most good underlayment

EcoStar Glacier Guard, GG 100 Roofing Underlayment BAR15-75 They can mold and mildewIce, water and wind protective underlayment EcoStar Glacier GuardTM 100 underlayment is a 55 mil self adhering sheet membrane. It protects roof substrates against water penetration from wind driven rain and from water backup caused by ice dams. This membrane is required in new construction and re roofing projects beneath all EcoStar roofing systems and most steep sloped roofing products. The membrane will self adhere to clean wood, plywood and metal.