Mapei Keraflex Adhesive White 20kg

High performance high grab polymer modified cementitious adhesive with no vertical slip and extended open time for ceramic tiles and natural stone material.

Where to Use

Interior and exterior bonding of ceramic tiles, porcelain, natural stone materials (not sensitive to moisture) and mosaics on floors and walls. Also suitable for spot bonding of insulating materials such as expanded polystyrene, rock and glass wool, Eraclit® (wood-cement panels), sound-deadening/ reduction panels, etc.

Some application examples

• Bonding ceramic tiles, natural stone and mosaics on the following substrates:
  • Cement rendered walls.
  • Interior aerated concrete block walls.
  • Gypsum or anhydrite after having first applied Primer G or Eco Prim T.
  • Underfloor heating installations; – cement screeds.
  • Interior painted walls, as long as the paint is firmly anchored and resistant to alkalis.
  • Waterproof membranes of Mapelastic, Mapegum WPS or Mapelastic AquaDefense.
• Tile on tile of existing unglazed flooring with tiles up to 300x300 mm.
• Bonding small format tiles in swimming pools and water features.
• Bonding tiles to floors subject to heavy loading.

Technical Characteristics

Keraflex is a grey or white powder composed of cement and graded aggregates. It contains a high quantity of synthetic resins and special additives. A mortar with the following features is obtained when mixed with water:

• Easily workable.
• Highly thixotropic; Keraflex can be applied on a vertical surface without slump or tile slip, even with heavy tiles.
• Perfect adhesion to all materials normally used in building.
• Hardens with minimal controlled shrinkage.
• Extended open time.
• Water and frost resistant.
• Excellent bond strength.

Consumption

Bonding ceramic tiles:

• Mosaics and small sizes in general: 2 kg/m².
• Normal sizes: 2.5-3 kg/m².
• Large sizes, exterior floors: 5 kg/m².

Standards

Classification in compliance with EN 12004. Keraflex is an improved (2) slip resistant (T) cementitious adhesive (C) with extended open time (E) classified as C2TE.

Conformity of Keraflex is declared in ITT certificate N° 25040476/Gi (TUM) and no. 25080239/Gi (TUM) issued by the Technische Universität München laboratory (Germany).