Surround VR Synthetic Underlayment

Surround VR Synthetic Underlayment is an alternative layer that acts as a secondary water barrier to reduce leaks from storm damage, wind-driven rain, ice dams and worn roofing materials.

It’s 10 times stronger and seven times lighter than traditional 30-pound felt, but with five times more material per roll. It does not absorb moisture and won’t warp or buckle when it’s wet.