The Oatey All-Flash Galvanized No-Calk Roof Flashing 1-1/2" - 3" is a pipe flashing from Oatey for exact-match material ordering. Match manufacturer model/MPN 11871. This variant is sold as PC with SKU OAT11871. Oatey All-Flash No-Calk Roof Flashings can be used in commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required.

Key Specs

• Brand: Oatey
• Model / MPN: 11871
• SKU: OAT11871
• Sell unit: PC
• Product type: Pipe Flashing
• Size: 1-1/2" - 3"
• Color / finish: 1-1/2" - 3"
• Category: Flashing | Flashing/Pipe Flashing | Residential Roofing | Residential Roofing/Flashing | Residential Roofing/Flashing/Pipe Flashing

Key Features

• Patented All-Flash collar design allows use on multiple pipe sizes
• Rated 180°F continuous heat and approved for Type B installations

Coverage & How Much You Need

Confirm coverage/yield from the manufacturer instructions and job takeoff before ordering.

Compatibility / Fitment

Use only with compatible systems and installation conditions specified by the manufacturer.

FAQs

What exactly am I ordering?

Oatey All-Flash Galvanized No-Calk Roof Flashing 1-1/2" - 3", sold as PC, SKU OAT11871, manufacturer model/MPN 11871.

What unit is the price based on?

The price is for the PC sell unit.

What should I match before ordering?

Match brand, model/MPN where available, size/color, sell unit, and the project specification.

Can this be substituted?

Treat this as an exact-match building material selection; hold for review before substituting a different model, color, size, or system family.

How do I estimate quantity?

Use the project takeoff plus manufacturer installation instructions, including waste, overlap, and accessory requirements.

Follow manufacturer instructions, OSHA-safe work practices, local code, and project specifications.

Product Expert Notes

Choose this variant when Oatey, SKU OAT11871, PC sell unit, and MPN 11871 match the job requirement.