August 2016



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Bluestone Grout Haze in Queensland, AUS




When grouting, there will always be the risk of grout hazing. That is when your surface is covered in white powdery film created by residual grout that has cured.

Unfortunately for a homeowner in the Clayfield suburb of Queensland, their beautifully laid walkway suffered from grout haze. They called Johrina from Australia Blue to rectify this problem, as well as to treat their bluestone with color enhancement and protection.

Click here to view the full case study or download the PDF

Our case study page is one of the most visited on our website. Every case study we publish is permanently located there. If you would like to promote your company with a job that you have recently completed using a product from the Dry-Treat range, email marketing@drytreat.com with your name and phone number. Please put 'case study' in the subject line. Include a description of the project with some great quality images.

Common Problems with Natural Stone: Efflorescence




Efflorescence is the white powder-like residue found on the surface of the porous stone.  It is caused by water moving through the substrate of a material collecting and carrying minerals and salts found in the mortar bed, grout, soil or the stone itself. When the impure water reaches the surface of a material and evaporates, the minerals and salts are left behind. Through a reaction with carbon dioxide in the air, these form the white marks commonly seen on unprotected porous surfaces.
When the efflorescence is fresh, it can be removed using a metal brush or a mild acid.  However, the longer efflorescence is left to cure, the more difficult it is to remove. 

The most effective treatment for efflorescence is prevention rather than removal.  Dry-Treat’s STAIN-PROOF Original™ provides premium water and oil repellency. The sealer deeply penetrates into the pores of a material, permanently bonding through a chemical reaction. This creates a water-repelling barrier which stops water ingress. The pores of the material are not blocked so moisture trapped in the substrate can escape as vapor, preventing the salts and minerals reaching the surface. To treat efflorescence use Dry-Treat’s Eff-Erayza™ which is a very powerful acid that is non fuming, non-corrosive to metals (except for uncoated aluminum) and temporary contact does not burn the skin. 

For more information on efflorescence watch our video

To learn how to apply Eff-Erayza™ watch our demonstration video.

Landscape London




Dry-Treat will be exhibiting at the 2016 Landscape Show in London on September 13th and 14th! Look for us at Stand: C60

LANDSCAPE is the UK's leading trade event dedicated to products, services and innovation for the design, build and management of exterior and interior landscape projects.

LANDSCAPE is established as the essential trade event for discerning landscape designers, architects, contractors, facilities managers and interior designers involved in some of the most important, prestigious and valuable projects in the UK and beyond.

For preregistration follow this link to the show website.




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