Mapei Keraflex Maxi S1 is a high-performance, deformable cementitious tile adhesive with enhanced parameters and extended open time, featuring innovative Low Dust Technology. This premium C2TE S1 classified adhesive is specifically engineered for large format ceramic tiles, porcelain stoneware, and natural stone installations.
Key Features & Benefits
Low Dust Technology- Cleaner, healthier working environment
Extended Open Time- More working time for precise installations
Deformable Formula (S1)- Accommodates substrate movement and thermal expansion
Thixotropic Properties- No slumping on vertical surfaces
Enhanced Parameters (C2TE)- Superior bonding strength and performance
Large Format Capability- Specially designed for oversized tiles
Technical Specifications
Package Size: 23kg bags
Color: White
Classification: C2TE S1 (High-performance deformable adhesive with extended open time)
Application Thickness: 3-15mm (exceptional range for large format tiles)
Working Time: Extended open time for complex installations
Coverage: 2-5 kg/m² depending on application method
Applications & Suitable Materials
Perfect for installing:
Large format ceramic tiles
Glazed porcelain stoneware (gres)
Natural stone tiles
Marble and granite
Glass tiles and mosaics
Challenging low-absorption materials
Ideal Substrates & Applications
Specially formulated for use on:
Traditional substrates- Renders, cement screeds, brick walls, block walls
Plasterboard and gypsum renders- Safe for dry construction
Existing ceramic coverings- When properly prepared and bonded
Concrete screeds and fiber-concrete- Seasoned over 4 months
Underfloor heating systems- Thermal movement compatible
Waterproofed surfaces- Previously sealed with Mapelastic systems
Deformable substrates- Accommodates movement
Advanced Performance Benefits
Professional Grade- Trusted by contractors for demanding projects