The Alta #2100 Sigrist Exit Seal provides a secure, weather-tight seal for rooftop penetrations with 1 inch to 1-1/8 inch outside diameter pipes. Manufactured from injection-molded ABS with schedule-80 strength, it delivers lasting durability, flexibility, and leak resistance. Designed to fit Alta Pipe Chase Housings and Curbs, it offers a reliable, permanent solution for protecting rooftop penetrations. Key Features: Seals pipe OD sizes from 1 in. to 1-1/8 in. Injection-molded ABS with...