GAF EverGuard TPO T‑Joint Cover Patch – Slate Gray

GAF EverGuard TPO T‑Joint Cover Patch – Slate Gray

Regular price $8.50

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TPO T‑Joint Cover Patch

The GAF EverGuard TPO T‑Joint Cover Patch is a conforming, weldable unreinforced TPO membrane patch designed to seal T‑joints in EverGuard TPO roofing installations. It helps create a watertight detail over membrane intersections for 60‑mil and thicker applications.


Key Features:

  • Purpose-Built T‑Joint Seal: Covers and seals membrane T‑joints to support watertight roof detailing
  • Weldable TPO Material: Designed to heat-weld for secure integration with compatible TPO systems
  • Conforming Unreinforced Patch: Flexible, unreinforced membrane patch for clean field detailing
  • For Thicker Membrane Applications: Intended for use over T‑joints in 60‑mil and greater thickness membrane installations
  • Color-Matched Finish: Slate gray patch to coordinate with slate gray TPO roofing details

Specifications Table:

Specification Details
Product name EverGuard TPO T‑Joint Patch
Color Slate Gray
Category Flashing
Sub category Single Ply Membrane Flashing
Unit of measure Piece (PC)
Membrane type TPO
Construction Unreinforced
Nominal thickness 55 mil (0.055 in)
Application Seal for use over T‑joints
Compatible membrane application thickness 60‑mil and greater

Frequently Asked Questions (FAQ):

Q: What is this patch used for?
A: It is used to cover and seal T‑joints where TPO membrane sheets intersect during installation.


Q: How is it installed?
A: It is intended to be heat-welded over the T‑joint as part of standard TPO field detailing practices.


Q: What membrane thickness is it designed for?
A: It’s specified for use over T‑joints in 60‑mil and greater thickness membrane applications.


Q: Is this patch reinforced?
A: No—GAF describes it as an unreinforced membrane seal.


A Seamless Finish for the Roof’s Most Demanding Detail

There’s a quiet luxury in details that disappear—where function becomes flawless. This slate-gray TPO T‑joint patch brings a crisp, unified finish to membrane intersections, creating a smooth, intentional line across the roof plane. Use it to refine transitions and reinforce vulnerable junctions with a clean, welded seal. It’s the kind of invisible precision that makes the whole exterior feel elevated and impeccably resolved.


Choose the GAF EverGuard TPO T‑Joint Cover Patch in slate gray to finish T‑joints with a clean, weldable seal built for long-lasting roof detailing.

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Subject to Approval & Availability
All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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