There are numerous types of underlayment available, including weed barrier or geotextile fabrics, concrete, tarmac, and ...

All products and services featured are independently selected by our editors. However, when you buy something through our retail links, we may earn an affiliate commission. Roof underlayment is a ...

Sometimes called felt paper or tar paper, felt is one of the oldest types of underlayment. It’s composed of organic materials saturated with asphalt to improve water resistance. Felt ...