Backed by the manufacturers of the proven TYPAR® Weather Protection System, TYPAR Surround® VR Underlayment is one more component in the line of defense against the elements. SURROUND YOUR HOME WITH PROTECTION. The roofing deck is the area that supports the actual roofing material, and protecting it from moisture is key to assuring the lifespan of the roof and the long-term durability of the home. Whether your roof is covered with shingles, shakes, tile, slate, or metal, be sure it’s protected with SURROUND VR Underlayment. A smart alternative to felt, it is water’s toughest opponent, creating a secondary water barrier that reduces the incidence of leaks caused by storm damage, wind-driven rain, ice dams, and worn roofing materials. It is a waterproof, synthetic polymer material that will protect your homes against moisture intrusion. Start protecting your home at the top with Surround VR Underlayment.