Ardex S 1-K Waterproofing and Crack Isolation Membrane

Ardex S 1-K Waterproofing and Crack Isolation Membrane — Strong Protection, Simple Application
Ardex S 1-K is a one-component waterproofing and crack isolation membrane for interior floors and walls. Flexible, easy to apply, and highly reliable, it provides superior moisture protection that prevents tile damage. Perfect for bathrooms, showers, and other wet areas, it also delivers crack isolation up to 1/8″ (3 mm) and creates an excellent bonding surface for Ardex tile and stone setting materials.

Key Features

Flexible waterproofing for interior floors and walls
Easy 2-coat system, applied with a roller or brush
Ideal for bathrooms, showers, and other wet areas before tile installation
Highly workable consistency with minimal drips and splatters
Crack isolation up to 1/8″ (3 mm)
Bonds securely to a wide range of substrates
Zero VOC – safe and environmentally friendly

Technical Data

Coverage Calculator

Installation:
Mixing Ratio: Single-component mix. Do not dilute or mix with additives.
Approximate Coverage:

195.5 sq. ft. (18 sq. m) per 3.5 gal. (13 L) unit, 2 coats over drywall
56.75 sq. ft. (5.27 sq. m) per 1 gal. (3.78 L) unit, 2 coats over drywall
Coverage will vary with substrate surface profile, porosity and texture.

Performance:

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: 1 gal. (3.78 L) pail 3.5 gal. (13 L) pail Storage: Store in a cool, dry area. Do not expose container to sun. Keep from freezing. Shelf Life: 12 months Warranty: Ardex L.P. Standard Limited Warranty applies Calculator Ardex S 1-K\n\n

Specifications

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