3-in-1 Galvanized Roof Flashing, Hard Base

The IPS 81700 3-N-1 Roof Flashing delivers versatile, weather-resistant sealing for multiple pipe diameters with a durable thermoplastic construction.

Engineered for easy installation and long-term performance, this multi-size roof flashing accommodates a range of pipe diameters while providing reliable protection against leaks and environmental exposure. Ideal for residential and commercial roofing applications.

• Model number 81700 identifies this 3-N-1 Multi-Size Roof Flashing configuration designed for use with pipes from 1-1/4 in. to 3 in. in diameter.
• Constructed with a thermoplastic hard plastic base for superior weather resistance, flexibility, and long service life.
• The multi-diameter cone design allows on-site trimming for precise pipe fit, reducing the need for multiple flashing sizes.
• Suitable for all standard roofing materials including asphalt shingles, metal, and tile applications.

Technical Data & Specifications

• Manufacturer: IPS Corporation
• Model Number: 81700
• Product Type: Roof Flashing, Multi-Size
• Series: 3-N-1
• Base Length: 15 inches (381 mm)
• Base Width: 11.13 inches (283 mm)
• Pipe Size Range: 1-1/4 inch to 3 inch diameter
• Base Material: Thermoplastic Hard Plastic
• Cone Material: Flexible elastomeric thermoplastic for easy cutting and tight sealing
• Temperature Resistance: Rated for standard roofing temperatures and UV exposure
• Application: Roof penetration sealing for vent pipes, plumbing stacks, and mechanical lines
• Installation: Fits over existing pipes; can be cut to required diameter using molded step indicators
• Color: Black or dark gray (varies by production batch)
• Weatherproofing: Resistant to UV, ozone, and temperature cycling for long-lasting protection
• Compliance: Meets applicable ASTM standards for roofing flashings