Ice and Water Shield A superior self-adheasive membrane, protected by a silicone treated release sheet that’s easily removed during application. Ideal for waterproofing purposes under shingled roofs and specifically for protecting potential ice dam areas. It can also be installed around vent stacks, dormers and other roof-top structures Benefits: Superior protection that helps prevent roof leaks in the most critical areas Advanced flexibility for superior performance Slip-resistent surface for safe application Self-adheasive for watertight sealing Self-sealing around roofing nails