Dry Treat's Stain-proof has always had a very high reputation with many tile installers and tile and grout restoration professionals. It is very expensive and has very high VOC levels. We see if paying the high price and dealing with the high VOC levels justifies using this grout sealer product.Drytreat Stain-Proof has been touted for years as having an advanced sealant technology that is not available in other sealers. It states that the sealer will form a permanent bond to the stone or grout that never needs to be reapplied. It also has a 15 year warranty when installed by an approved Drytreat professional.
Drytreat is also the sealer used by many of the "forever seal" companies that promise to permanently seal your stone and countertops with a sealer that will last the life of the stone. There are 15 year warranties with these "forever seal" companies grout, tile and stone sealer warranties are typically not worth the price of the paper it has been printed on. The VOC level of this sealer is extremely high at greater than 1000 g/L and is the highest VOC level of any sealer we tested. It is necessary to have proper ventilation when using this sealer in any enclosed area. You can save yourself a lot of money over these "forever seal" companies by sealing your natural stone yourself using this sealer.
Drytreat Stainproof is manufactured in Australia and is the most expensive sealer we tested. The price of this sealer typically runs around $60-100 per quart depending on where it is bought. It is only sold online or in specialized tile and stone stores and can only be shipped in quarts due to laws covering high VOC products. This is typically a sealer that is applied by certified Drytreat installers but it can be installed by many industrious DIY homeowners who can cope with the toxic fumes or who havea respirator.
In our testing the Drytreat Stainproof performed better than average for sealing grout. The stains from the contaminates were not pronounced and this sealer seemed to do a good job of sealing grout. The sealer did not do better than some of the premium water based low VOC sealers. The high price tag of this sealer combined with high VOC levels do not seem to justify using this sealer for sealing grout alone.
As a stone sealer the Drytreat Stainproof performed as good or better than any other of the stone sealers tested. This product is solvent based sealer with a smaller molecular structure that can go deep into the natural stone and protect it. The wine did leave some stain but is was much less than the consumer based sealers we tested. It performed. The DryTreat Stainproof perfomed as good or better than any sealer we tested for protecting natural stone. Many tile installers and tile restoration professionals praise this sealer as being a superior sealer for sealing stone.
Properly sealing grout requires carefully following the manufactures instructions. Improperly sealing grout can ruin a perfectly good tile installation. You can read more information about how to properly seal grout here. You may want to consider hiring a professional tile cleaning and restoration contractor to seal your grout for you. You can read more about how to hire a tile cleaning and restoration contractor HERE.
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