Mapei Keraquick S1 - Ceramic & Stone Tile Adhesive

High-Performance, Quick-Setting, Deformable Cementitious Adhesive for Ceramic and Stone Tiles

Mapei Keraquick S1 is a high-performance, rapid-setting, deformable (S1) cementitious adhesive with no vertical slip, suitable for the installation of ceramic tiles, porcelain, and moisture-stable natural stone. Classified as C2FT S1 under EN 12004, it is ideal for both interior and exterior applications, including floors and walls, where quick setting and high bond strength are required.

Key Features & Benefits

• Rapid Setting: Allows for grouting in 2–3 hours and light foot traffic after 2–3 hours.
• High Bond Strength: Develops strong adhesion within hours, ensuring durability.
• Deformable (S1): Accommodates slight substrate movement, reducing the risk of tile cracking.
• No Vertical Slip: Ensures tiles remain in place during installation, even on walls.
• Low VOC Emissions: Certified EC1 R Plus for very low emissions of volatile organic compounds.
• Versatile Application: Suitable for various substrates, including concrete, screeds, and existing tiles.

Product Details

• Classification: C2FT S1 (EN 12004)
• Colours: Grey and White
• Packaging: Available in 20kg bags
• Coverage: Approximately 2–5 kg/m², depending on tile size and substrate
• Pot Life: Approximately 30 minutes
• Open Time: Approximately 15–20 minutes
• Application Temperature: +5°C to +30°C
• Thickness of Adhesive Layer: Up to 10 mm

Application Instructions

1. Surface Preparation: Ensure substrates are sound, clean, and free from dust, grease, or other contaminants.
2. Mixing: Mix 100 parts of Keraquick S1 powder with 24–26 parts by weight of water until a homogeneous, lump-free paste is obtained.
3. Application: Apply the adhesive using a suitable notched trowel to achieve the desired thickness.
4. Tile Installation: Press tiles firmly into the adhesive bed within the open time to ensure full contact.
5. Grouting: Joints can be grouted after 2–3 hours using a suitable Mapei grout.

Limitations

• Not suitable for substrates subject to rising damp.
• Do not use on metal, rubber, PVC, or linoleum surfaces.
• For installations over plywood, mix Keraquick S1 with Latex Plus to achieve S2 classification.

Health & Safety

Contains cement; may cause irritation. Wear appropriate protective equipment, including gloves and eye protection. Refer to the Safety Data Sheet (SDS) for detailed information.