OATEY 11879 4 in. Galvanized N...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$75.71
$25.71
OATEY 11879 4 in. Galvanized No-Calk 12 in. x 15 in. Base Roof Flashing

OATEY 11879 4 in. Galvanized No-Calk 12 in. x 15 in. Base Roof Flashing

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Model: 11879
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$75.71
$25.71
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4 in. Galvanized No-Calk 12 in. x 15 in. Base Roof Flashing

  • Features

    • Approved for Type B installations
    • Do not use paint or petroleum based products on rubber collars
    • Non-fading sealing collar
    • Made of rust-proof, stamped 29 gauge galvanized steel
    • Not for hot-mopped or built-up roofs
    • Roof flashing slides over DWV pipe for pitch to 40 degrees


11879 - spec sheet

Manufacturer Resources

Product Specs

Volume:
0.145
Department:
Plumbing
Product Group:
Roofing
Product Subgroup:
Flashing and Flanges
Product Type:
Roof Flashing
Product Weight:
1.263

OATEY 11879 – Frequently Asked Questions

1) Will the Oatey 11879 roof flashing work on a steep roof pitch?
The Oatey 11879 No-Calk flashing slides over DWV pipe and handles roof pitches up to 40 degrees. Past that, you need a flashing built for steeper slope. The 12 x 15 inch base gives you the shingle overlap area on a standard asphalt shingle roof.
2) Can I use this galvanized flashing on a flat built-up or hot-mopped roof?
No. The 11879 is not for hot-mopped or built-up roofs. It is a shingle-style base flashing meant to be woven into a sloped roof covering. For a hot-mopped or BUR assembly you need a flashing designed for that membrane system.
3) Is the Oatey 11879 flashing approved for a Type B gas vent?
Yes, the 11879 is approved for Type B installations, so it can be used where a Type B vent penetrates the roof as well as on DWV plumbing stacks.
4) What is the Oatey 11879 flashing made of, and will it rust out?
The base is stamped 29 gauge galvanized steel, described as rust-proof, with a rubber sealing collar that is non-fading. For coastal or highly corrosive exposure, many spec writers move to lead or copper base flashing instead of galvanized.
5) Can I paint the rubber collar on the Oatey No-Calk flashing to match the roof?
Don't. Paint and petroleum based products are not to be used on the rubber collars, they degrade the rubber and shorten the life of the seal. The collar is made non-fading so it does not need painting.
6) How much does the Oatey 11879 roof flashing weigh for shipping or a bulk order?
Each 11879 flashing runs about 1.263 lb with a volume of 0.145, which matters if you are palletizing a re-roof order of several dozen for a multi-family or portfolio job.
How fast can I get the OATEY 11879 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the OATEY 11879 come with a warranty?
Absolutely. The OATEY 11879 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the OATEY 11879?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the OATEY 11879 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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