GAF LRF Adhesive XF – Part A, Two-Component Low-Rise Polyurethane Foam Roofing Adhesive

Regular price $564.30

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LRF Adhesive XF Part A Roofing Foam Adhesive

Two-component, low-rise polyurethane foam adhesive for roofing applications. Adheres roof insulations, vapor retarders, cover boards, and fleece-back single-ply membranes to compatible substrates, enabling faster installation versus bucket-and-roller methods.


Key Features:

  • Two-Component System: Part A dispensed with Part B from pre-pressurized disposable cylinders
  • Versatile Bonding: Adheres insulations, vapor retarders, cover boards, and fleece-back single-ply membranes
  • Fast Installation: Speeds membrane placement compared to bucket-and-roller adhesives
  • Construction-Grade Performance: Low-rise polyurethane foam engineered for roofing
  • FM Approved: Meets FM standards for reliability

Specifications Table:

Specification Details
Component Part A of two-component system
Adhesive Type Low-rise polyurethane foam
Application Adheres roof insulations, vapor retarders, cover boards, and fleece-back single-ply membranes to compatible substrates
Dispensing Method Pre-pressurized disposable cylinders using two-component disposable foam applicator
Approval/Standard FM Approved
Style/Category Adhesives, Caulks & Sealants
Manufacturer Number 419V
Product Number GAFLRFADHXFA
Unit of Measure CST
Item Weight 50 lb
Brand GAF

Frequently Asked Questions (FAQ):

Q: What materials can this adhesive bond?
A: It adheres most roof insulations, vapor retarders, cover boards, and fleece-back single-ply membranes to compatible substrates.


Q: Is this a single product or part of a system?
A: It is Part A of a two-component system that must be used with Part B, dispensed via a two-component disposable foam applicator.


Q: How is it dispensed?
A: Both components are dispensed from pre-pressurized disposable cylinders using a two-component foam applicator.


Q: Does it meet industry standards?
A: Yes, it is FM Approved.


Q: What is the primary advantage over bucket-and-roller adhesives?
A: It enables faster membrane installation, saving labor time.


A sleek, high-performance bond for modern roofing lines

This adhesive brings crisp efficiency to the roofscape, marrying robust performance with streamlined installation. The pre-pressurized canister system is its standout—clean, swift, and beautifully functional. Pair it with fleece-back membranes for a refined, seamless finish that elevates the envelope. It’s a quiet essential for a polished, luxury build.


Choose GAF LRF Adhesive XF Part A to speed installation and secure a reliable, FM Approved bond on your next roofing project.

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