TechnicianVision · Knowledge base
Back-To-Basics: Flange Prep For Adhesives
I-CAR · December 20, 2018
Summary
This article outlines the fundamental requirements for preparing mating flanges and applying adhesives during collision repairs. It emphasizes following either the vehicle manufacturer's procedures for private-label adhesives or the adhesive manufacturer's specific instructions for aftermarket products to ensure proper bonding and prevent repair failures.
What to do on the job
Follow the specific vehicle maker or adhesive manufacturer instructions for flange preparation, including bare metal or primer requirements, sanding grit, cleaners, clamp/cure times, and cartridge plunger leveling.
How to use it
Use this document to justify the labor time and materials required for proper flange preparation, including specific sanding grits, dedicated cleaners, and necessary clamp/cure times. It can also be used to defend the necessity of following adhesive manufacturer guidelines when OEM-branded adhesive is not specified.
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