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Bioshield is the main distributor of Stainproof by Drytreat™ products.

Bioshield is the main distributor of Stainproof by Drytreat™ products and some cleaners under its own label for the Netherlands, France, Germany and Poland.

Stainproof™ develops world leading impregnating sealers & enhancers for natural stone, bricks, pavers, tiles, engineering concrete & grout and Hanafinn™ specialty cleaners. Drytreat ™ is part of the ICP Building Solutions Group.

400 times smaller molecules

The specially penetrating sealer molecules are hundreds of times smaller than other well-

known impregnation brands use.

Deeper penetration

Our sealer molecules penetrate much deeper into the pore

structure, even in dense natural stone such as granite or quartzite.

Repellent barrier

The exceptional sealer molecules permanently attach themselves to the material through a chemical bonding proces. This creates a substantial deep oil and water- repellent barrier.

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Stainproof™ products benefit from warranty periods ranging from 5 years to 25 years when applied by an accredited applicator.

Stainproof™ protection

The deeper Stainproof™ barrier, provides not only very good stain protection to the surface, but also protection against more serious common forms of damage caused by water penetration, including limescale, salt crumbling, frost damage and discoloration caused by UV.

The choise for the right treatment is always based on durability, preservation of the natural appearance, biodegradability, cost savings and ultimately the easy cleaning of the materials and thus saving maintenance costs.