Surround SR synthetic roofing underlayment provides the optimal balance of high performance, enhanced safety, and streamlined installation for contractors. As a result, you can deliver peace of mind for homeowners that you can’t get with 30# felt. Surround SR does not absorb moisture, won’t warp or buckle when wet, and will not degrade when exposed to UV light for up to 6 months.
- Superior water holdout - blocks water from entering the wall cavity
- Exceptional moisture vapor transmission (MVT), it breathes so moisture can escape the wall cavity
- Superior tears strength - proven to withstand heavy winds and is almost five times stronger than the leading competitive wrap
- It also features a heat reflecting, gray-colored surface, which reduces the amount of heat buildup on the roof
- Optimal surfactant and UV resistance - reduces the damaging effects that oils and tannins from cedar siding, cement siding, stucco, brick and soaps from power washing can have on the system’s ability to block bulk moisture penetration, stands up to the beating sun on the jobsite for up to 6 months without degradation