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: 5 Gallons
Ship Dim: 14.5 x 11.0 x 11.0
Shipping Weight: 50.0 lbs
Brand Name: GST International
Technical Specifications: view PDF file
Uses, Application and Inspiration: view PDF file
MSDS Document: 110106_002.pdf
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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 12/12/2013 at 5:00am CT. Online orders and products purchased in-store qualify for rebate redemption. Rebates are provided in the form of a merchandise credit check which can only be used in a Menards store.