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H&C Clear Liquid Hardener & Densifier
H&C® HYDRO-DEFEND® SL-40 Silane is a proprietary 40% Silane that penetrates into concrete or masonry and provides long term weatherproofing protection. H&C HYDRO-DEFEND SL-40 is a single component product that is ready to use and typically requires only one application.
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Product Details
- Can be reopened to foot traffic within one hour
- Will not change the traction of skid resistant horizontal surfaces
- Prevents damage from ice and deicing salts and chloride ions
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Product Specifications
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