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Dynaflex Ultra Advanced Exterior Sealant vs LIFETIME Ultra 230 Premium Elastomeric Acrylic Sealant

Compare cure times, application limits, and real-conditions performance for DAP's Dynaflex Ultra Advanced Exterior Sealant and Red Devil's LIFETIME Ultra 230 Premium Elastomeric Acrylic Sealant. Adjust the sliders below for your actual temperature and humidity.

SpecificationExterior SealantAcrylic Sealant
ManufacturerDAPRed Devil
Full cure (lab)72h72h
Open time15 min10 min
Dry to touch60 min60 min
Min application temp40°F40°F
Max application temp100°F90°F
Safety flagsNoneNone

Compare at Your Conditions

70°F
10°F120°F
50%
0%100%

Which should you choose for cure time?

  • - Both products list the same baseline full cure time of 72h, so temperature and humidity may be the deciding factors.
  • - Dynaflex Ultra Advanced Exterior Sealant gives more working time before assembly pressure or tooling becomes urgent.

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

LIFETIME Ultra 230 Premium Elastomeric Acrylic Sealant has a 72h full cure time with a 10-minute open time.

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

LIFETIME Ultra 230 Premium Elastomeric Acrylic Sealant 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.