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Dynaflex Ultra Advanced Exterior Sealant vs All Purpose Silicone 1 Window & Door Sealant

Compare cure times, application limits, and real-conditions performance for DAP's Dynaflex Ultra Advanced Exterior Sealant and GE's All Purpose Silicone 1 Window & Door Sealant. Adjust the sliders below for your actual temperature and humidity.

SpecificationExterior SealantDoor Sealant
ManufacturerDAPGE
Full cure (lab)72h★24h
Open time15 min★10 min
Dry to touch60 min★30 min
Min application temp40°F★32°F
Max application temp100°F★120°F
Safety flagsNoneSkinning risk

Compare at Your Conditions

70°F
10°F120°F
50%
0%100%

Which should you choose for cure time?

  • - All Purpose Silicone 1 Window & Door Sealant has the faster baseline full cure (24h vs 72h).
  • - All Purpose Silicone 1 Window & Door Sealant allows the lower minimum application temperature (32°F).
  • - Dynaflex Ultra Advanced Exterior Sealant gives more working time before assembly pressure or tooling becomes urgent.
  • - Deep silicone beads need extra full-cure margin even after the surface skins.

Dynaflex Ultra Advanced Exterior Sealant has a 72h full cure time with a 15-minute open time.

All Purpose Silicone 1 Window & Door Sealant has a 24h full cure time with a 10-minute open time.

These products serve different purposes — check each product's individual page for full substrate compatibility details before deciding.

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Dynaflex Ultra Advanced Exterior Sealant

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All Purpose Silicone 1 Window & Door Sealant

GE

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Dynaflex Ultra Advanced Exterior Sealant data from manufacturer TDS · last verified May 2026.

All Purpose Silicone 1 Window & Door Sealant data from manufacturer TDS · last verified May 2026.

Important: Results are estimates only. Always follow manufacturer instructions. Not suitable for structural, load-bearing, or safety-critical applications.