Artic Seal

401 Arctic Seal® is a specially designed and manufactured, self-adhering, NEX™ SBS polymer modified asphalt underlayment for use on steep slopes to prevent moisture intrusion from ice dams and wind-driven rain, as required by many building codes. Arctic Seal® serves a dual role as a flashing membrane, helping protect areas susceptible to leaks such as valleys, roof-to-wall transitions, and around vents and skylights. Arctic Seal® is approved for use under fire-rated, code-compliant roof coverings and as a vapor retarder in various FM Approved roofing assemblies.