Nov 08 , 2019
Synthetic or Felt Roofing Underlayment- Which is Better?
Prospectors during the California gold rush covered the roofs of their temporary shacks with roofing felt, also known as felt paper or tar paper. Fast forward 170 years and roofing felt is still the most popular roofing material (now used as an underlayment) being installed today. That, however, may be about to change. In the next couple years it looks like we may reach a tipping point where more homes in the United States will be covered with synthetic underlayment than with roofing felt. So what is this synthetic underlayment, how is it different from roofing felt, and why are builders making the switch?