Pro-Solv® is an economical, no sheen, solvent based penetrating / impregnating sealer for all interior & exterior natural stone (including around salt water swimming pools), tile & grout surfaces. Pro-Solv® is formulated to provide excellent stain protection. Perfect for very dense stone and tile. An ideal product for sealing porcelain tiles. Last up to 10 years.

Key Features:

  • Excellent stain protection
  • No-sheen natural look
  • Allows moisture vapour transmission
  • Does not alter the slip resistance of sealed surface
  • Easy to use
  • Solvent-based formula
  • Lasts up to 10 years

Suitable Tile Types:
As a natural look sealer for all natural stone surfaces (such as sandstone, slate, marble, limestone, granite, bluestone / basalt) unglazed tiles, porcelain tiles, clay pavers, concrete, brick, masonry, terracotta and grout. For interior and exterior use.


  • Do not allow sealer to come in contact with any non-recommended surface
  • May slightly lighten or darken some stone surfaces
  • Sealer will not prevent surface wear or etching from acids or caustic chemicals

Surface should be dry, clean and free of waxes, sealers or finishes. New installations need to be dry 24 hours before application. Protect surrounding surfaces. Test product in an inconspicuous area to ensure desirable results.

The Stone, Tile or Grout must be dry prior to applying sealer – the following document explains in detail the definition of the term “dry” as it relates to sealer application. READ MORE

Pre-Grout Sealer/Grout Release:
Porous tile and stone can be stained by grout during installation. Sealing the tile before grouting will make grout removal much easier. Apply sealer according to directions after tile has been bonded for a minimum of 24 hours, or apply to front face of tile before installation. Wait a minimum of 2 hours before grouting.

1. Always test a small area first to ensure satisfactory results.
2. Apply using a pump sprayer, paint pad applicator, lambswool applicator, sponge or brush.
3. Allow it to penetrate for up to 5 minutes, if surface is drying within 5 minutes, apply more sealer to keep surface wet for up to 5 minutes.
4. Wipe surface completely dry using clean, dry cotton, paper or microfiber towels after each application. Ensure no sealer is allowed to dry on the surface.
5. Porous surfaces may require additional applications.
6. Conduct a test to see if surface is completely sealed after 2 hours by applying drops of water on the surface. If it penetrates, an additional application is required.

Drying Time

  • Allow 30 minutes drying time between applications when conditions are 20° Celsius & 70% RH. If temperatures are lower or humidity higher then these times may be longer. If unsure about the specific job site temperatures and conditions please contact one of our technical advisors.
  • Ready for surface traffic in minimum of 2 hours.
  • Keep dry for a minimum of 12 hours.
  • Achieves a full cure in minimum of 24 hours.

Cleaning of equipment
Clean tools with mineral spirits after use

Available in:
3.8L, 19L

How to Guide:
How to apply a Natural Look Sealer

Product Maintenance:
General Maintenance Guide for surfaces sealed with a Penetrating Sealer

Product Warranty
Custom® Building Products warrants to the original consumer purchaser that its product shall be free from defects in material and workmanship under normal and proper usage for a period of one year following the date of original purchase. CUSTOM’s sole liability under this warranty shall be limited to the replacement of the product. Some states, countries or territories do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty will not extend to any product which has been modified in any way or which has not been used in accordance with CUSTOM’s printed instructions. CUSTOM makes no other warranties either expressed or implied. This warranty gives you specific legal rights, and you may have other rights that vary from state to state or from one country/territory to another. This warranty is not transferrable.
Approx. Coverage m² per/L:
Polished Honed Textured
Marble 20-25m² 12-15m² 8-12m²
Limestone 18-22m² 8-12m² 6-10m²
Travertine 20-25m² 12-15m² 8-12m²
Granite 25-30m² 15-20m² 10-14m²
Bluestone / Basalt 20-25m² 12-15m² 8-12m²
Sandstone 14-18m² 10-14m² 6-10m²
Slate N/A 14-18m² 10-14m²
Concrete 18-22m² 8-12m² 6-10m²
Terrazzo 20-25m² 15-20m² 10-14m²
Terracotta N/A N/A 8-12m²
Porcelain 25-35m² 20-30m² 15-20m²

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Additional information


3.8L, 19L