1-1/2" Galvanized Roof Flashing, No Caulk

The IPS 81850 Galvanized No-Caulk Roof Flashing provides a durable, weatherproof seal for 1-1/4 to 1-1/2 inch vent pipes on residential and commercial roofs.

Designed for easy installation without caulking, this roof flashing offers long-lasting protection against water intrusion. The IPS 81850 features a flexible sealing collar and a galvanized steel base that resists corrosion and adapts to various roof pitches. Ideal for new construction or roof repair applications, it ensures a dependable, watertight connection around plumbing vent pipes.

• Model number 81850 identifies the IPS No-Caulk Roof Flashing for 1-1/4 inch to 1-1/2 inch diameter pipes.
• Constructed from galvanized steel for superior strength and resistance to weather, UV exposure, and corrosion.
• Flexible EPDM or elastomeric collar creates a secure, self-sealing fit around the pipe without the need for sealant or caulk.

Technical Data & Performance

• Product Type: No-Caulk Roof Flashing.
• Pipe Size Compatibility: 1-1/4 inch to 1-1/2 inch nominal diameter.
• Base Material: Galvanized steel – offers long-term corrosion protection and structural rigidity.
• Collar Material: Flexible elastomeric or EPDM rubber – conforms tightly to pipe for watertight performance.
• Finish: Galvanized silver – resists rust and complements typical roofing materials.
• Installation Type: No-caulk design – slip the flashing over the pipe and secure base to roof deck; no additional sealants required.
• Roof Compatibility: Suitable for asphalt shingle, metal, and tile roofing systems.
• Roof Pitch Range: Fits standard roof slopes (approximately 0/12 to 45° pitch).
• Temperature Rating: Withstands normal roof exposure temperatures ranging from -40°F to 160°F (-40°C to 71°C).
• Weather Resistance: Designed to resist UV rays, ozone exposure, rain, and wind uplift.
• Application: Used to seal around vent, waste, and plumbing pipes penetrating through the roof deck.
• Maintenance: Maintenance-free under standard environmental conditions; inspect periodically during roof maintenance cycles.
• Installation Method: Slip-fit design for fast installation and tight sealing without tools or adhesives.
• Dimensions: Fits standard 1-1/4" to 1-1/2" vent pipes with base sized for typical roofing layout coverage.
• Compliance: Meets building and plumbing code requirements for roof penetration seals.
• Packaging: Supplied as a single pre-formed flashing unit, ready for installation.
• Warranty: Covered by IPS Limited Warranty ensuring material quality and performance reliability.