Product Description 
GST International Water Block is a invisible water base penetrating sealer, that to provides water repellency and reduce water absorption to a wide variety of porous surfaces. It reacts with water and carbon dioxide in the air forming an insoluble barrier. Tests have proven Water Block to maintain water repellency for five years and up to 10 years depending on traffic volume. The formation of efflorescence and spalling are also controlled. Effective both indoors and outdoors. May be used as a pre-sealer or grout release on tile and masonry surfaces.
- Virtually invisible
- Blocks water absorption
- Fast drying and long lasting
- Interior and exterior use
- No visible change to the surface
- Easy to apply, by brush or spray
- Water cleans up
- Solvent free
- Low odor
- Use On: Colored and stamped concrete, Manufactured Stone, Brick, Natural Stone, Mexican Tile, Slate, Exposed aggregate concrete, Interlocking pavers
- Once installed this product is not removable.
Dimensions: 1 Gallon
Ship Dim: 12.0 x 5.0 x 5.0
Shipping Weight: 10.0 lbs
Brand Name: GST International
Vendor: GST International, LLC
Product Documents
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Required Accessories
Required Accessories
Optional Accessories
Optional Accessories
Please Note: Prices, promotions, styles and availability may vary by store and online. While we do our best to provide accurate item availability information, we cannot guarantee in-stock status and availability as item quantities are constantly changing throughout the day. Inventory last updated 5/20/2013 at 5:00am CT. Rebates are an in-store service; therefore online purchases do not qualify towards rebate redemption.
