• Seals pipe outside diameter sizes ranging from 1 in. to 181​ in.
  • Constructed from injection-molded ABS plastic with schedule-80 equivalent performance.
  • Provides a durable, weather-tight design to ensure long-term leak protection.
  • Specifically built for secure installation in Alta Pipe Chase Housings and Curbs.
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Price: $39.95
    Item #SIGRIST-2100
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    Description

    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 schedule-80 performance
    • Weather-tight design ensures long-term leak protection
    • Built for Alta Pipe Chase Housings and Curbs
    • Backed by a limited lifetime warranty

    Specifications

    Model: Alta #2100 Sigrist Exit Seal

    Pipe size capacity: 1 in. to 1-1/8 in. outside diameter

    Material: Injection-molded ABS plastic

    Performance: Schedule-80 equivalent strength

    Application: Installs into designated Alta housing and curb openings

    Color: White 

    How To

    • Prepare the housing opening to accept the #2100 Exit Seal
    • Insert the seal into the opening until fully seated
    • Route pipe or tubing (1 in. to 1-1/8 in. OD) through the seal
    • Check compression to ensure a snug, weather-tight fit
    • Inspect for gaps or leaks before finalizing installation
    • Repeat process for additional penetrations

    FAQs

    Q: What pipe sizes does the #2100 Exit Seal support?
    A: It supports outside diameters from 1 inch through 1-1/8 inch.

    Q: What material is it made from?
    A: Injection-molded ABS plastic with schedule-80 performance.

    Q: Is this seal reusable?
    A: No, it is intended for permanent installation and should not be reused.

    Q: Is it compatible with other systems?
    A: It is specifically designed to fit Alta Pipe Chase Housings and Curbs.

    Q: What warranty is provided?
    A: The #2100 Sigrist Exit Seal is backed by a limited lifetime warranty.

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