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Tile adhesives


Cemflex -ONE PACK ECONOMICAL RUBBER BASED FLEXIBLE TILE ADHESIVE CONSTRUCTION CHEMICALS

By  Last updated: 18th January 2013

Cemflex -ONE PACK ECONOMICAL RUBBER BASED FLEXIBLE TILE ADHESIVE
CONSTRUCTION CHEMICALS

DESCRIPTION
A flexible rubber based, fast setting, cementitious adhesive for bonding ceramic and stone tiles to porous and
non-porous surfaces subject to vibration and thermal movement.
FEATURES
• Meets the requirements of AS4992
• Suitable for shower floors
• Ideal for new concrete floors subject to shrinkage cracks
• Accommodates up to 0.4mm shrinkage cracks.
USES
A one pack thick or thin bed internal and external floor and wall flexible adhesive for fixing over most
substrates e.g. concrete, cement render, fibre cement sheets, plasterboard, existing properly prepared ceramic
tile and Construction Chemicals waterproof membranes. Not suitable for immersed or swimming pool
application. Construction Chemicals proves other systems. Do not use over timber floors.
PERFORMANCE DATA
Meets the performance requirement of AS4992 shear bond strength 1.5Mpa.
COVERAGE (Approximate)
20kg will cover 6-8m2 using a 10mm notched trowel, over a true surface.
SPECIFICATION
The ceramic tile adhesive will be a water resistant, fast setting flexible rubber based polymer modified cement
that conforms to AS4992 and has a minimum sheer bond strength of 1.5Mpa such as CEMFLEX manufactured
by Construction Chemicals and shall be applied in accordance with the manufacturers application instructions.
SURFACE PREPARATION
The surface to be tiled must be firm and clean, free from dust, waxes, paint and other contaminants. Steel floated
concrete floors must be primed with SUPER PRIME. Ceramic tiles primed with PRIMAX. Prime building boards,
cement sheets, porous surfaces and concrete with PRIMER AND GROUT ADDITIVE.
MIXING
Mix with clean water using 3-4 litres per 10kg to a thick creamy consistency. Pot life is approximately 2 hours,
depending on temperature.Allow to stand for 5-10 minutes and restir before use.
SET TIME
Approximately 8-12 hours, depending on temperature, humidity and surface porosity.Allow longer for dense
tiles.
APPLICATION
Apply adhesive with a notched trowel (6mm x 6mm for walls and 10mm x 10mm for floors) or butter the back
of tiles 3-5mm thick.The final bed thickness must not be less than 2mm for walls and 3mm for floors, to
accommodate movement. Spread about 1 metre at a time.Tiles must be set in place while the adhesive is still
wet on the surface. Press tiles firmly into the adhesive using a slight twisting motion.Tiles must be firmly bedded
into the adhesive so no voids occur beneath the tiles. Do not spot fix.

GROUTING
Grout after adhesive had set, approximately 8-12 hours. Use KEMGROUT mixed with PRIMER AND GROUT ADDITIVE or FLEXIBLE
GROUT ADDITIVE.
SHELF LIFE
1 year

Source: http://www.constructionchemicals.com.au/PDF/Cemflex.pdf



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