Oatey EPDM Rain Collar for 3–4 in. Vent Pipes

This Oatey Rain Collar provides a secondary, self-sealing barrier around roof vent pipes, helping stop leaks fast. Molded from durable, UV-resistant EPDM rubber, it slides over new or existing flashings to deliver a watertight seal without caulk.

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Key Features:

• Self-Sealing Design: Slides over 3–4 in. vent pipes to create an instant watertight barrier
• Durable EPDM Rubber: Non-fading, UV- and weather-tested material withstands 180°F continuous heat
• No-Caulk Installation: Eliminates messy mastic or sealant for quick, clean repairs
• Secondary Protection: Adds an extra layer of defense for new installs or temporary leak repairs on existing flashings
• Compact Size: 4.5-in x 4.5-in collar fits most residential No-Calk roof vent flashings

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Specifications Table:

Specification	Details
Series Name	Rain Collar
Primary Material	EPDM rubber
Color/Finish Family	Black
Manufacturer Color/Finish	Black
Fits Pipe Size	3-in to 4-in
Length (Inches)	4.5
Width (Inches)	4.5
Maximum Temperature (Fahrenheit)	180
Warranty	1-year limited
UNSPSC	30151600
California Prop 65 Warning	No
Application	Secondary seal for roof penetrations around plumbing vent pipes
Installation	Slides over pipe; no caulking required
UV Resistance	Non-fading; tested for extreme UV and weather
Compatibility	Residential No-Calk roof vent flashings; Type B installations approved

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Frequently Asked Questions (FAQ):

Q: How is the rain collar installed?
A: Simply slide the collar down over the vent pipe and existing flashing until it seats firmly; no caulking is required.

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Q: What pipe sizes does it fit?
A: It fits vent pipes with diameters from 3 inches to 4 inches.

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Q: What is the maximum service temperature?
A: It withstands continuous heat up to 180°F.

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Q: Can it be used as a permanent fix?
A: It serves as a secondary seal and can provide a temporary leak repair until the flashing is replaced.

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Q: Are there any usage cautions?
A: Do not use petroleum-based products on the rubber collar.

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Streamlined Roof Detailing with Resilient Minimalism

A sleek, matte-black ring that quietly perfects the roofline, this EPDM collar adds a tailored finish around vent penetrations. I love the sculpted profile—it reads clean and architectural while working hard behind the scenes. Pair it with galvanized flashing for a crisp, mixed-material contrast that feels both modern and classic. Consider it a discreet essential for polished, low-maintenance exteriors.

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Seal your vent pipe in minutes—add this Oatey rain collar to your cart for a quick, no-caulk, watertight upgrade.