Leading Puget Sound - Seattle Roofing Contractor Since 2008
The Secret to a Great Roof Installation: Underlayment
When choosing a roof, many carefully choose their roofing product but ignore the underlayment. The underlayment is a thin layer that is applied under the roofing product you see but on top of the sheathing. The purpose of this application is to serve as a vapor barrier, preventing leaks and rot. The underlayment is a very important part of the …