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All Purpose RTV 100% Silicone Sealant vs Dynaflex Ultra Advanced Exterior Sealant

Compare cure times, application limits, and real-conditions performance for both DAP products. Adjust the sliders below for your actual temperature and humidity.

SpecificationSilicone SealantExterior Sealant
ManufacturerDAPDAP
Full cure (lab)24h72h
Open time10 min15 min
Dry to touch20 min60 min
Min application temp-4°F40°F
Max application temp120°F100°F
Safety flagsSkinning riskNone

Compare at Your Conditions

70°F
10°F120°F
50%
0%100%

Which should you choose?

All Purpose RTV 100% Silicone Sealant has a 24h full cure time with a 10-minute open time.

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

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

All Purpose RTV 100% Silicone Sealant data from manufacturer TDS · last verified May 2026.

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

Browse all silicone products.

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