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Adhesives, Levellers & Primers

Granfix tile adhesive and levelling compound is the professional's choice and the products chosen are for use with underfloor heating. With more than 28 years experience Granfix provide a Lifetime Guarantee on all products.

All 20Kg bags are double skinned complete with a plastic liner to protect against moisture and as a result products maintain a long shelf life. Double skinned bags are easier to handle than bags that are packed like bricks, offering more room to grasp the bag. 

1 Part Flexible Rapidset is a polymer modified cement based tile adhesive for fixing of tiles to a variety of substrates. The product sets in 40 minutes and can accept light foot traffic in 2 hours at 20ºC. Ideal for contract time management.
This cement based adhesive is suitable for fixing a variety of floor and wall tiles such as ceramics, slate, quarries, porcelain, marble, vitrified, semi vitrified, limestone, terrazzo and mosaics to a variety of surfaces without an admix. When set, the adhesive is water resistant and is suitable for use in swimming pools. The product can be used between 3mm and 6mm bed thickness with up to 12mm in uneven areas. As a guide coverage from a 20Kg bag is approx. 4mm thickness over 4sqm

Flex18 is a rapid setting polymer modified levelling compound suitable for levelling uneven floors before the laying of floor tiles. Flex18 is again ideal for contract time management. Flex18 will accept light foot traffic after 90 minutes and you can tile after 2 to 3 hours. As a guide coverage from a 20Kg bag is approx. 4mm thickness over 4sqm. Suitable for 2mm to 18mm thickness in a single application.
All items shown below are included in FLOORHEATPRO undertile heating mat kits
Lifetime Warranty
Roller for priming floors
Protective Conduit for Thermostat Floor Probe
Floor Probe for Thermostat
Dual Purpose Primer & Floor Insulating Paint
Touchscreen Thermostat (white or silver)
Adhesive tape
Heating mat(s)
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