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ARDEX S 1-K™ is a single-component topside waterproofing compound that is extremely easy to use and produces a flexible waterproof coating perfect for use in showers, bathrooms and other wet areas. Recommended for use over a wide range of substrates and finishes, the highly workable consistency minimizes drips and splatters.

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Flood test ARDEX S 1-K in 12 to 24 hours after the second coat has been applied. It also provides crack isolation up to 1/8” (3 mm). Available in two convenient sizes (large 3.5 and small .7 gallons), ARDEX S 1-K provides excellent coverage at nearly 57 sq. ft. per gallon in two coats.