Water Block Invisible Penetrating Masonry Sealer
GST International Water Block Invisible Penetrating Masonry Sealer is a water-based sealer that provides water repellency and reduces water absorption to a wide variety of porous surfaces. It reacts with water and carbon dioxide in the air, forming an invisible and insoluble barrier. Tests have proven that this product maintains water repellency for five years and up to 10 years depending on traffic volume. It also controls the formation of efflorescence and spalling and is perfect for either outdoor or indoor use. This sealer may be used as a presealer or grout release on tile and masonry surfaces.
- Virtually invisible
- Blocks water absorption
- Fast drying and long lasting
- For interior and exterior use
- No visible change to the surface
- Easy to apply by brush or spray
- Water cleans up
- Solvent free and low odor
- For use on colored and stamped concrete, manufactured and natural stone, brick, Mexican tile and slate
- Also for use on exposed aggregate concrete and interlocking pavers
- Not removable once installed
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