Sika Tile®-152 Damp Flex

Ready-to-Use Acrylic Waterproofing Membrane for Interior Areas and Moisture-Sensitive Substrates

SikaTile®-152 Damp Flex is a ready-to-use acrylic waterproofing membrane designed to protect moisture-sensitive substrates before tile installation. It is suitable for interior areas regularly exposed to moisture, such as bathrooms, kitchens, and other wet areas in residential and commercial buildings.

The product offers high flexibility and can accommodate minor substrate movements, helping reduce the risk of cracking and water leakage. It is suitable for application on various substrates, including concrete, plastered masonry walls, screeds, lightweight wall panels, and fiber cement boards.

Its ready-to-use formulation makes application convenient and efficient, without the need for additional mixing. Once the substrate has been properly prepared, the product can be applied immediately. It is suitable for waterproofing before tile installation, as well as repairing areas with existing tiles affected by water leakage where new tiles are to be installed over the existing surface.

Applications of Sika Tile®-152 Damp Flex

SikaTile®-152 Damp Flex is suitable for interior waterproofing applications, such as:

• Waterproofing before tile installation in bathrooms and kitchens

• Areas where fiber cement boards are used as substrates

• Interior floor and wall applications

• Concrete surfaces, plastered masonry walls, and screeds

• Lightweight wall panels and fiber cement boards

• Repairing water leakage problems on existing tiled surfaces before installing new tiles over them

For applications on other substrate types or when installing new tiles over existing tiles, it is recommended to consult the Technical Department before application to assess the suitability of the substrate and installation system.

Key Features of Sika Tile®-152 Damp Flex

• Ready-to-use acrylic waterproofing membrane

• Suitable for moisture-sensitive substrates

• High flexibility and elongation properties

• Helps reduce the risk of water leakage before tile installation

• Easy to apply without additional mixing

• Suitable for bathrooms, kitchens, and interior wet areas

• Suitable for both interior floor and wall applications

• Compatible with various substrates, including concrete, plaster, screeds, and fiber cement boards

• Tested in accordance with EN 14891

Substrate Preparation

The substrate must be:

• Sound and structurally stable

• Clean

• Free from dust

• Free from oil contamination

• Completely dry

• Smooth and level

Corners and joints must be properly prepared and sealed before starting the application.

Mixing Method

The product is ready to use immediately.

• No water mixing required

• Do not dilute

• Do not mix with cement or other additives. sikatile-152-dampflex-2

Application Method

1. Apply the first coat using a roller or brush.

2. Use approximately 0.4–0.5 kg/m².

3. Allow approximately 3–4 hours of drying time, or until completely dry.

4. Apply the second coat perpendicular to the direction of the first coat.

5. Use an additional 0.4–0.5 kg/m².

6. Allow the coating to dry for approximately 4–24 hours, depending on weather conditions.

7. The total dry film thickness must be at least 0.5 mm.

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