Sealing Solutions

Tubos are high-performance, prefabricated plumbing vent pipe extensions, designed to simplify and accelerate plumbing stack extensions during re-roofing. Featuring a 6-inch integrated joint splice sleeve at each end, Tubos can be easily cut to extend two vent stacks, offering the fastest, strongest, and most cost-effective solution for vent pipe modifications. Features and Benefits:Installs in three easy steps: Measure, Cut length, seal in place with caulkCompatible with both Cast Iron and PVC...

The ChemLink E-Curb 3-In MiniCurb Kit is a prefabricated penetration sealing solution for small roof penetrations such as electrical conduit, drains, HVAC supports, and mounts for solar or lighting equipment. It includes molded E-Curb curb components and the associated 1-part pourable sealer and adhesive/sealant required to create a watertight penetration seal. This MiniCurb system is built with slip-fit components that assemble around the penetration without disturbing it and is compatible...

The ChemLink E-Curb 6 In. MiniCurb Kit is a factory-assembled penetration seal solution designed for sealing round roof penetrations such as conduit, drains, mounts, and other supports. Prefabricated E-Curb components are slip-fit around existing penetrations and paired with sealant products to form a watertight perimeter without field-built pitch pans. This kit combines precast nylon resin curb pieces with the necessary sealer and adhesive/sealant to support a full installation around the...

The Alta #2037 Sigrist Exit Seal is built to provide a weather-tight seal for roof penetrations accommodating 3/8 inch to 1/2 inch outside diameter lines. Made from injection-molded ABS plastic with schedule-80 strength, it offers lasting durability and flexibility in demanding conditions. Specifically designed for use with Alta Pipe Chase Housings and Curbs, it ensures a secure fit, prevents leaks, and supports long-term performance. Key Features: Seals pipe OD sizes from 3/8 in. to 1/2 in....

The ChemLink ChemCurb 5 In. One-Part Kit is a pre-engineered curb flashing system used to seal roof curbs and penetration assemblies as part of the ChemCurb system. It’s designed to create a continuous transition between the roofing membrane and curb surfaces using a coordinated set of components rather than field-built detailing. This kit is supplied as a one-part system to simplify application and maintain consistency across curb installations. The 5-inch configuration is intended for...

The Alta 2075 Sigrist Exit Seal is designed to provide a weather-tight seal for 3/4 inch to 7/8 inch outside diameter pipes. Built from injection-molded ABS with schedule-80 strength, it combines durability, flexibility, and reliable long-term performance. Specifically made for Alta Pipe Chase Housings and Curbs, it ensures leak protection and secure rooftop penetrations. Key Features: Seals pipe OD sizes from 3/4 in. to 7/8 in. Constructed from injection-molded ABS with schedule-80...

The Alta #2025 Sigrist Exit Seal is engineered to provide a secure, weather-tight seal for roof penetrations accommodating 1/4 inch to 3/8 inch outside diameter lines. Constructed from durable ABS plastic with a schedule-80 performance rating, it maintains long-term flexibility and resistance against leaks. Designed for use with Alta’s Pipe Chase Housings and Curbs, it ensures reliable protection and easy installation. Key Features: Seals pipe OD sizes from 1/4 in. to 3/8 in. Injection-molded...

The Alta #2062 Sigrist Exit Seal provides a secure, weather-tight seal for roof penetrations handling 5/8 inch to 3/4 inch outside diameter pipes or tubing. Built from durable injection-molded ABS plastic with schedule-80 performance, it ensures strength, flexibility, and long-term resistance to leaks. Optimized for Alta Pipe Chase Housings and Curbs, it simplifies installation while enhancing protection for critical rooftop penetrations. Key Features: Seals pipe OD sizes from 5/8 in. to 3/4...

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...

The Alta #2050 Sigrist Exit Seal is engineered to create a weather-tight seal for pipes and lines ranging from 1/2 inch to 5/8 inch outside diameter. Manufactured from injection-molded ABS plastic with schedule-80 strength, it delivers durability, flexibility, and reliable performance. Designed for direct use in Alta Pipe Chase Housings and Curbs, it ensures a secure fit, prevents leaks, and supports long-term system integrity. Key Features: Seals pipe OD sizes from 1/2 in. to 5/8 in. Made...

The Alta #2087 Sigrist Exit Seal is built to protect rooftop penetrations by sealing 7/8 inch to 1 inch outside diameter pipes. Made of durable injection-molded ABS plastic with schedule-80 performance, it resists wear, weather, and leakage while ensuring flexibility. Purpose-built for Alta Pipe Chase Housings and Curbs, it delivers a permanent, weather-tight solution for mechanical and electrical penetrations. Key Features: Seals pipe OD sizes from 7/8 in. to 1 in. Injection-molded ABS with...

The ChemLink ChemCurb 12-In Straights are precast, straight curb sections used to build linear portions of roof curb flashing assemblies. These components are part of the ChemCurb system and are engineered to be combined with other system parts — such as corners and rounds — to create a continuous perimeter around roof penetrations and curbs. The straight sections are made from a durable precast resin and form part of the structured flashing system that works with compatible sealants and...

The ChemLink ChemCurb 5 In. Rounds are precast, curved curb sections designed to form round transitions in curb flashing assemblies. These 5-inch diameter inside sections are part of the ChemCurb penetration seal system, used in combination with other ChemCurb components to create perimeter shapes around roof penetrations. This carton contains multiple curved pieces that are intended to be integrated with compatible sealants and adhesive products to form a continuous, watertight flashing...

The ChemLink ChemCurb 7. 5 In. Rounds are precast, curved curb sections used to build rounded transitions in roof curb flashing assemblies as part of the ChemCurb penetration seal system. These curved components fit with straights, corners, and other system pieces to configure curb perimeters for pipe and penetration seals. Each round section is constructed from gray precast resin and designed to work with compatible ChemCurb sealants and adhesives to form a continuous, watertight curb...

The ChemLink E-Curb 9 In. MiniCurb Kit is a prefabricated roof penetration sealing solution designed to replace traditional pitch pans and simplify sealing around round penetrations such as conduit, drains, camera supports, mounts, and other structural penetrations. Each kit uses slip-fit components that assemble around the penetration and paired sealants to form a continuous watertight perimeter. This 9-inch diameter MiniCurb kit comes with all required sealing materials included and is...

The Alta #2112 Sigrist Exit Seal provides a long-lasting, weather-tight solution for rooftop penetrations with 1-1/8 inch to 1-1/4 inch outside diameter pipes. Built from injection-molded ABS with schedule-80 equivalent strength, it ensures protection against leaks, UV exposure, and weathering. Designed to integrate seamlessly with Alta Pipe Chase Housings and Curbs, it delivers reliable performance and peace of mind. Key Features: Seals pipe OD sizes from 1-1/8 in. to 1-1/4 in....

The ChemLink ChemCurb 7-5 In One-Part Kit is a complete curb flashing system for roofing applications that require a formed transition between membrane and curb surfaces. This kit combines the structural curb components with system-matched sealants to create a continuous, watertight flashing. The 7-5 inch configuration provides a larger inside diameter than the 5-inch kits, allowing it to be used on larger curb openings while maintaining a consistent system approach. All components are...

The Alta #2125 Sigrist Exit Seal is engineered to create a weather-tight seal for pipes with outside diameters between 1-1/4 inch and 1-3/8 inch. Constructed from injection-molded ABS plastic with schedule-80 equivalent strength, it ensures lasting performance against leaks, UV exposure, and environmental stress. Specifically designed for Alta Pipe Chase Housings and Curbs, this seal provides a reliable and permanent rooftop penetration solution. Key Features: Seals pipe OD sizes from 1-1/4...

The ChemLink ChemCurb 6 In. Straights are precast straight curb sections designed to lengthen and configure roof curb flashing assemblies within the ChemCurb system. These straight pieces are used to extend perimeter runs and connect with corners or rounds to form complete flashing outlines around penetrations. The 6-inch straights are constructed from gray precast resin and are intended to be used as part of a coordinated flashing assembly with compatible sealants and accessories. Key...

The ChemLink ChemCurb 2 In. Corners are precast corner sections used in the ChemCurb roof curb flashing system. These 2-inch radius corner pieces allow the transition between straight sections to form square or rectangular curb perimeters around roof penetrations. Manufactured from gray precast polyester resin, they are designed for durability against UV, corrosion, ice, and ponding water. These corner pieces must be used with compatible ChemCurb straight and round components along with...

The Alta #2137 Sigrist Exit Seal offers a permanent, weather-tight sealing solution for rooftop penetrations with 1-3/8 inch to 1-1/2 inch outside diameter pipes. Built from injection-molded ABS plastic with schedule-80 equivalent strength, it ensures reliable protection against leaks, weathering, and UV exposure. Designed exclusively for Alta Pipe Chase Housings and Curbs, this exit seal ensures long-term durability and performance. Key Features: Seals pipe OD sizes from 1-3/8 in. to 1-1/2...

The ChemLink 1363GR 4.5″ x 3.5″ Rectangle E-Curb Kit is a penetration sealing kit made for rectangular roof penetrations. It provides a clean way to build a sealed curb detail around box-style penetrations using a pre-formed curb system instead of field-built detailing. This kit is intended for use on common low-slope roofing systems and includes the core components needed to complete the curb seal. Key Features Rectangle curb kit for sealing box-style roof penetrations4.5″ x 3.5″ internal...

E-Curb penetration seals replace old-style metal pitch pans with versatile, precast components and 1-Part polyether pourable sealants. Chem Link E-Curb System can usually be installed in under 15 minutes and never requires flashing or mechanical attachment. E-Curbs are designed for use on granulated modified bitumen, asphalt and coal tar B.U.R. (built up roofing). E-Curbs are specified for PVC, EPDM, PIB, and TPO single ply roofing membranes. E-Curbs are highly versatile for sealing...