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FlexFix

Rapid-setting flexible natural stone adhesive

For ceramic tiles, mosaics, quarry tiles, and moisture-insensitive natural stone
For large-sized tiles up to 600x 600 mm
For interior use in dry and wet locations
Long yield – 18 kg corresponds to at least 20 kg conventional tile adhesive
Flexible
Smooth and easy-flowing consistency
Approved for wet room use
Suitable for underfloor heating
Bed thicknesses up to 5 mm

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Retailers

Product information

Product

Grey, cement-based powder containing light fillers and high-performance polymer modifiers.

Coverage

Notched trowel

Kg pr. m²

4 x 4 mm

ca. 1.2

6 x 6 mm

ca. 1.8

8 x 8 mm

ca. 2.4

10 x 10 mm

ca. 3.0

Packaging

Available in 18 kg PE lined paper bags.

Precautions

	Alfix A/S H.C. Ørsteds Vej 11-13 DK-6000 Kolding alfix.com 21	Ydeevnedeklaration nr. 49	EN 12004:2007+A1:2012 Alfix FlexFix Cementbaseret fliseklæber med forbedret vedhæftning, deformation, ståfasthed og åbentid. Inden- og udendørs anvendelse.
Brandklasse	NPD	Farlige stoffer	Se sikkerhedsdatablad på www.alfix.com
Vedhæftningsstyrke efter tørlagring	≥ 1,0 N/mm²	Vedhæftningsstyrke efter varmelagring	≥ 1,0 N/mm²
Vedhæftningsstyrke efter vandlagring	≥ 1,0 N/mm²	Vedhæftningsstyrke efter frost-tø lagring	≥ 1,0 N/mm²

Tests

DS/EN 12004 – DS/EN 12002

Technical data

Working temperature
- +5°C - +30°C
Density
- 1.4 kg/litre mixed with water
Open time
- 20 - 30 minutes
Working time
- Approx. 4 hours at +20°C
Foot traffic/grouting
- After 24 - 48 hours at +20°C
Full strength
- 7 days at +20°C
Tensile adhesive strength, concrete:
- 1.0 – 2.0 N/mm²
Classification - DS/EN 12004
- C2 TE S1
Shelf life
- Minimum 12 months when stored unopened in cool, dry conditions

Technical enquiries

Wet rooms – Tanking with Alfix
Alfix Product info on:
• Alfix Deep Cleaner
• Alfix Primer
• Alfix PlaneMixPrimer
Product health and safety data /COSH

Application

Surfaces

Cement/sand rendering, brickwork, aerated concrete
Screed, with or without underfloor heating, older than 14 days
Light-weight concrete, max. moisture content 8%
Flooring containing cement-based levelling compound
Anhydrite floors, max. residual moisture 0.5%
Concrete in situ and precast units/slabs, older than 2 months
Paper-faced plaster boards, fibre-reinforced plaster boards
Existing tiles, terrazzo
Vinyl and paint on concrete
Plaster, wood, existing tiles, vinyl, and paint are not considered suitable surfaces for exterior use or in
areas exposed to frequent or permanent water

Surface preparation

The surface should be dimensionally stable, sound, and clean. Free from laitance, grease, and dust.
There should be no blooms or crack formations. Residues from grease or soap can be removed with Alfix
Deep Cleaner.
Ensure that paint is sufficiently adhering and non-flaking. Sand/Matt vinyl and paint with the appropriate
sandpaper and apply a thin contact layer of Alfix FlexFix.
Straightening of lumps and unevenness of up to 5 mm can be made using Alfix FlexFix.
On absorbent, moisture sensitive interior surfaces, such as aerated concrete, gypsum plaster, plaster
boards, and anhydrite floors, apply Alfix Primer (Sealing Primer) or Alfix PlaneMixPrimer.

How to use

Add approx. 0.23 – 0.28 litres of clean, cold water per kg powder depending on whether to use as non-slip
wall adhesive or pourable, easy-flowing floor adhesive.
Apply Alfix ProFix to the surface with a notched trowel, using the straight edge to spread out adhesive and
subsequently the notched edge to produce a ribbed bed.
Fix tiles within approx. 20 - 30 minutes by pressing them firmly into position in the wet adhesive with a
slight twisting action. When fixing mosaics, a firm tap is required.
Ensure complete adhesive coverage! Apply adhesive to both tiles and surface to ensure solid bedding
leaving no voids (buttering/floating method).
Suitable tile adhesives for tile sizes exceeding 600 X 600 mm: Alfix ProFix, Alfix CombiFix,
Alfix CombiQuickFix Alfix QuickFix premium.
Suitable tile adhesive for moisture sensitive natural stone: Alfix QuickFix premium

NB!
Additional water should not be added to adhesive already starting to set.
Note that the temperature of mixing water will influence setting time.
Repositioning of tiles should be done within approx. 20 minutes after fixing, depending on substrate and
tile absorbency.
Switch off any underfloor heating.

Cleaning

Clean adhesive residues from tools and tiles with water before the adhesive sets. Cement-based products
harden when mixed with water, hence do not pour surplus adhesive into the drain system.