Side-by-Side
3.0 Self-Leveling Concrete & Masonry Sealant vs All Purpose RTV 100% Silicone Sealant
Compare cure times, application limits, and real-conditions performance for both DAP products. Adjust the sliders below for your actual temperature and humidity.
SpecificationMasonry SealantSilicone Sealant
ManufacturerDAPDAP
Full cure (lab)24h24h
Open time30 min★10 min
Dry to touch120 min★20 min
Min application temp20°F★-4°F
Max application temp120°F120°F
Safety flagsNoneSkinning risk
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.
- - All Purpose RTV 100% Silicone Sealant allows the lower minimum application temperature (-4°F).
- - 3.0 Self-Leveling Concrete & Masonry 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.
3.0 Self-Leveling Concrete & Masonry Sealant has a 24h full cure time with a 30-minute open time.
All Purpose RTV 100% Silicone 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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3.0 Self-Leveling Concrete & Masonry Sealant data from manufacturer TDS · last verified Jun 2026.
All Purpose RTV 100% Silicone 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.