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The Armor SC25 is a high solids, water-based siliconate water repellent sealer that penetrates deep into the concrete surface where it fuses with the substrate to form a cross-linked hydrophobic barrier within the pores. Surfaces sealed with the Armor SC25 are more resistant to the damaging effects of water absorption and salt damage. It is a fantastic sealer for unsealed white and light concrete surfaces.
Benefits:
- Can be used on new, uncured concrete
- Won’t change the look, color, or texture of the surface
- Works entirely below the surface and won’t leave a surface film
- Reduces damage and deterioration caused by water absorption
- Reduces damage and deterioration caused by snow and ice
- Reduces the growth of mold, mildew, and algae
Pairs well with
Ships same-day M-F when placed before 3 PM EST.
SDS & TDS available on FoundationArmor.com.
Thousands of happy customers!

Armor SC25
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Professional Grade
Siliconate water-repellent sealer for new and existing white and light concrete surfaces.

Versatile Water-Repellent Sealer
The Armor SC25 can be used on existing concrete surfaces, and concrete surfaces recently poured to help aid in proper curing.
Free shipping and returns

Easy to Apply
Foundation Armor SC25 is easy to apply with a pump sprayer. Simply apply two coats per the application instructions and your substrate will remain sealed for up to 5-7 years below the surface!
Product details
Uses
Designed for use on unsealed white and light concrete surfaces.
Coverage
Up to 175-225 ft2/gallon in one coat. Two coats required. Coverage will vary depending on porosity and applicator.
Application Instructions
Please refer to the updated Technical Data Sheet and Safety Data Sheet published on FoundationArmor.com.
FAQs
Still have questions? Call us at 866-306-0246.
Will this leave a surface film?
No. It works entirely below the surface and won't leave a visible surface film or coating.
Is it slippery when wet?
It works entirely below the surface and won't change the surface traction of the substrate.
Can I apply this to pavers or masonry?
No. The Armor SC25 is a siliconate and can only be applied to white or light concrete. If you apply this sealer to medium to dark concrete, or to pavers, stone, or masonry, white silicate-like deposits can become visible on the surface.







