Seal-Krete
Seal-Krete waterproofing primers and sealers for concrete, masonry, brick, and stucco. Seal-Krete is a Rust-Oleum brand for vertical waterproofing and surface prep on masonry. This brand collection covers Seal-Krete products currently in the store.
Per Rust-Oleum Seal-Krete technical data, Original Waterproofing Primer/Sealer is a water-based styrene-acrylic penetrating clear satin primer/sealer primarily for vertical surfaces. It binds chalky surfaces, helps reduce moisture penetration on masonry, and can be used to seal brick, stucco, and concrete, prime vinyl siding, brighten aluminum siding, and dustproof or prime floors. Maker specs list VOC under 50 g/L, about 10% solids, coverage roughly 80–300 sq ft per gallon depending on porosity, recoat in about 2 hours, and full cure in 7 days. Two coats are required for waterproofing bare vertical concrete. Ready to use; do not dilute. Not for below-grade or hydrostatic-pressure conditions per maker limitations.
| Line | Best for | What we carry | Notes (maker) |
|---|---|---|---|
| Original Waterproofing Primer/Sealer | Vertical concrete, masonry, brick, stucco | Clear gallon | Water-based acrylic; VOC <50 g/L; 2 coats on bare vertical concrete |
Shop related: Rust-Oleum, Zinsser, DAP, and the paint a room cart.
FAQ
What is Seal-Krete Original for?
Maker materials position it as a penetrating waterproofing primer/sealer for vertical concrete and masonry. It also binds chalky surfaces and can help prepare brick, stucco, vinyl, and aluminum siding before paint.
How many coats do I need?
Rust-Oleum states two coats are required for waterproofing bare vertical concrete, with about 2 hours dry time between coats at standard conditions.
Is it low VOC?
Yes. Seal-Krete Original technical data lists VOC under 50 g/L in the waterproofing sealer category.
Can I dilute it?
No. Maker directions say the sealer is ready to use and should not be diluted. Apply by brush, roller, or sprayer and backroll spray applications for penetration.
Seal-Krete Original Waterproofing Primer/Sealer, Clear, Gallon
Seal-Krete
Original price
$45.82
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Original price
$45.82
Original price
$45.82
$45.82
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$45.82
Current price
$45.82
Seal-Krete Original Waterproofing Primer/Sealer, Clear, Gallon is intended for interior/exterior use. Features Clear satin sealer Milky white duri...
View full details
Original price
$45.82
-
Original price
$45.82
Original price
$45.82
$45.82
-
$45.82
Current price
$45.82