Your roof is more than just the shingles, vents, flashing, and gutters that you see from the curb. Despite being hidden from view, the underlayment, which is sandwiched between the outer roof covering and the roof decking, plays a crucial role in your roof’s health, performance, and longevity.
Synthetic vs. Felt Roofing Underlayment: Which Is Better?
Roofing contractors know all too well the importance of the underlayment. Installed right on top of the decking before the shingles are laid down, it plays a crucial role in protecting the entire structure from water intrusion.