Side-by-Side
Flex Glue vs Gorilla Epoxy
Compare cure times, application limits, and real-conditions performance for Flex Seal's Flex Glue and Gorilla Glue's Gorilla Epoxy. Adjust the sliders below for your actual temperature and humidity.
SpecificationFlex GlueGorilla Epoxy
ManufacturerFlex SealGorilla Glue
Full cure (lab)24h24h
Open time10 min★5 min
Clamp / tack time—30 min
Dry to touch60 min—
Min application temp★0°F50°F
Max application temp★150°F100°F
Safety flagsNoneAmine blush
Compare at Your Conditions
Which should you choose for cure time?
- - Both products list the same baseline full cure time of 24h, so temperature and humidity may be the deciding factors.
- - Flex Glue allows the lower minimum application temperature (0°F).
- - Flex Glue gives more working time before assembly pressure or tooling becomes urgent.
- - Watch for amine blush risk in humid epoxy work.
Flex Glue has a 24h full cure time with a 10-minute open time.
Gorilla Epoxy has a 24h full cure time with a 5-minute open time. Watch for amine blush in humid conditions.
These products serve different purposes — check each product's individual page for full substrate compatibility details before deciding.
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Flex Glue data from manufacturer TDS · last verified Jun 2026.
Gorilla Epoxy data from manufacturer TDS · last verified Jun 2026.
Important: Results are estimates only. Always follow manufacturer instructions. Not suitable for structural, load-bearing, or safety-critical applications.