ARDEX S 1-K™ One-Component Waterproofing and Crack Isolation Membrane is an easy-to-use, single-component, load-bearing waterproofing compound that produces a flexible, positive-side waterproof coating for all common interior building substrates requiring protection from topside water exposure that could damage tile installations. It also provides an excellent bonding layer for ARDEX tile and stone setting materials. ARDEX S 1-K can also be used for crack isolation up to 1/8″ (3 mm)*.
Flexible, topside waterproofing for interior floors and walls
Very easy-to-apply, 2-coat system; paint roller or brush
Easy to install with a paint roller or brush
Use for bathrooms, showers and other wet areas prior to the installation of tile
Highly workable consistency; minimal drips and splatters
Crack isolation up to 1/8″ (3 mm)
Bonds to a wide range of substrates
Convenient, oval-shaped container that easily accommodates a roller
SystemOne Meets or exceeds ANSI A118.10 Meets or exceeds ANSI A118.12 IAPMO
Mixing Ratio: Single-component mix. Do not dilute or mix with additives. Approx. Coverages 195.5 sq. ft. (18 sq. m) per 3.5 gal. (13 L) unit, 2 coats over drywall 39 sq. ft. (3.6 sq. m) per 0.7 gal. (2.65 L) unit, 2 coats over drywall *56.75 sq. ft. per gal. (1.36 sq. m / L) and will vary with substrate surface profile, porosity and texture
Working Time: Unlimited. Seal unused portion to prevent product from drying out.
Drying Time: First coat: 1 – 2 hours Second coat: 12 – 16 hours
Flood Test: The final coat must be fully cured (approximately 12 – 24 hours, depending on site conditions).
VOC: < 1 g/L, calculated SCAQMD Methods
Packaging: 3.5 gal. (13 L) pail. 0.7 gal. (2.65 L) pail
Storage: Store in a cool, dry area. Do not expose container to sun. Keep from freezing.
Shelf Life: 9 months
Warranty: ARDEX L.P. Standard Limited Warranty applies.