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Hold Out Mildew Inhibitor

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Tuf-Top Hold Out is a water-based liquid that will render water repellency to most concrete and masonry. Hold Out pentetrates and chemically reacts on and below the surface to form a "breathable" barrier that will retard mositure intrusion, and inhibit mildew, mold and algae formaion without the use of toxic biocides. Hold Out will also provide moderate resistance to oil and grease. Other water repellents either form an acrylic film or fill up the pores of the substrate with a wax material that sun and weather will break down and wash away.

Inhibits mildew, algae, and water penetration. -Other water repellents are just that, water repellents. Hold-Out repels both water and biogrowth on concrete, stone and masonry. Chemically reacts and cross-links with concrete, stucco, pavers, roof tiles, and stone products to form a waterproof substrate. Will not weather and wash away as other products do. The water beading effect will dissipate the wear, but the integrity and repellent properties will remain. Retards mold and mildew formation on roof tiles, concrete walks and driveways. Keeps walks and driveway cleaner, longer. Because water cannot penetrate into the concrete, dissolved dirt and other materials cannot penetrate into the pores of the concrete. Wind and will will then wax the dirt off because it has not been able to latch to the surface. Helps to keep surfaces stain free. Because nothing can penetrate deep into the substrate, stains can be easily and thoroughly cleaned.

For new concrete, masonry, mortar, bricks, etc..., no special preparation is necessary, other than making sure that the surface is bare and not painted or sealed, and is free from dirt, mildew, algae, waxes, mold release chemicals, or efflorescence that may inhibit the penetration of Hold Out. Pressure washing will provide the best results. For older concrete, mortar, stone, etc.., the surface must be free from dirt, oil, grease, efflorescence, and mildew. Scrub with detergent or treat with bleach as needed and rinse throughly. Again, pressure washing will yeild the results. Please note that Hold Out may actually link to, and pull some oils, grease and other contaminants out of concrete shortly after application. If this occurs, you may not get your desired waterproofing properties and will need to apply a second coat.

*A test patch is recommended to check for compatibiliy and effectiveness.

How to Seal Your Concrete Driveway:

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SIZE: FIVE$134.99
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