An Overview Of Roofing Underlayment Materials
The underlayment is a critical part of the roof; it acts as a moisture barrier. With the right underlayment, the roof deck is protected from moisture damage even if it rains or snows. Below is a brief overview of some of the roofing underlayment available on the market today. Asphalt-Saturated Felt As the name suggests, this underlayment is manufactured from a mixture of felt material and asphalt. The felt forms the base material, but it is saturated with asphalt to give it some water-resistant properties because felt alone is not water-resistant.