In Choosing Roofing Underlayments, Contractors Must Decide: Granular or Smooth?
Contractors must determine the best option for their respective projects.
The history of roofing underlayments is a long one, a progression of needs and innovations that, like the products themselves, have remained under the surface. Roofing underlayments have come a long way and are now a critical part of a building’s overall roof system.
Roofing underlayments perform many functions in a roof assembly, but first and foremost, they serve as the last line of defense between homeowners and the damaging effects of water infiltration. Since asphalt saturated roofing felt first came on the scene in the 1800’s, there have been numerous advances in the design of underlayments to provide roofing solutions and serve multiple purposes.