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Pre-Grout Sealing Slate Tiles
We've put together some easy to follow advice on Pre-Grout sealing Slate tiles when using Aqua Mix Tile & Stone Products. Please note all information given on Pre-Grout sealing Slate tiles is for guidance purposes only and all products should be used in accordance with their supplied instructions. Always test products in a small area before committing to Pre-Grout sealing all of your Slate tiles.Step One: Clean Slate tiles
- Clean tiles by vacuuming, brushing or by using a lightly dampen sponge
- All traces of adhesive must be removed
- Grout joints also should be free of dirt and debris
- If tiles are still damp, leave to dry thoroughly before proceeding to step two.
NOTE: If tiles are very dirty or still unclean after the above procedure, then the use of neutral tile & stone cleaner such as Aqua Mix Concentrated Stone & Tile Cleaner is highly recommended. Tiles will then need to be left to dry before moving on to step two.
Step Two: Pre-Grout Seal Slate Tiles
- Apply over clean stone or tile a minimum of 2 hours prior to grouting
- Apply using a sponge, brush, paint pad, cotton towel, or sprayer. NOTE: Be sure any sealer that does not penetrate surface is removed from surface within 5 minutes of each application using absorbent paper or cotton towels.
- If 2 or more coats are applied, allow a minimum of 30 minutes drying time between coats.
- 2 hours after final coat conduct a test to determine if surface is completely sealed by applying water droplets to the surface. If water is absorbed, apply an additional coat. Wait 2 hours and repeat the test.
- Ready for surface traffic in 2 hours after final coat. Keep area dry for 12 hours. Achieves a full cure in 24 hours.
- Clean applicator tools with water after each use.
- Apply over clean stone or tile a minimum of 2 hours prior to grouting
- Apply using a sponge, brush, paint pad, cotton towel, or sprayer. NOTE: Be sure any sealer that does not penetrate surface is polished dry off surface within 5 minutes of each application using absorbent paper or cotton towels. If non-polished surfaces are left shiny after application, surfaces must be wiped dry as this indicates surface residue remains.
- If 2 or more coats are applied, allow a minimum of 30 minutes drying time between coats. Remove surface residue after each application.
- Ready for surface traffic in 12 hours after final coat. Keep dry for 12 hours. Achieves full cure in 48 hours. Some highly porous surfaces may require an additional coat after full cure.
- Clean applicator tools with mineral spirits after each use.
- Apply over clean stone or tile a minimum of 2 hours prior to grouting
- Apply using a sponge, brush, paint pad, cotton towel, or sprayer. NOTE: Be sure any sealer that does not penetrate surface is polished dry off surface within 5 minutes of each application using absorbent paper or cotton towels.
- If 2 or more coats are applied, allow a minimum of 30 minutes drying time between coats.
- After 2 hours conduct a test to determine if surface is completely sealed by applying water droplets to the surface. If water is absorbed, apply an additional coat. Wait 2 hours and repeat the test.
- Ready for surface traffic in 2 hours after final coat. Keep area dry for 12 hours. Achieves a full cure in 24 hours.
- Clean applicator tools with mineral spirits after each use.
About Slate
Slate is a fine-grained, foliated, homogeneous, metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low grade regional metamorphism. The result is a foliated rock in which the foliation may not correspond to the original sedimentary layering. Slate is frequently grey in colour especially when seen en masse covering roofs. However, slate occurs in a variety of colours even from a single locality. For example slate from North Wales can be found in many shades of grey from pale to dark and may also be purple, green or cyan.