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Tilemaster – Thick Bed FlexiRapid – Pourable & Flexible Rapid Setting Floor Tile Adhesive – Grey/White (20Kg) Pallet (48bags) Half-Pallet (25bags)


Tilemaster Thick Bed FlexiRapid is:

Tilemaster Thick Bed FlexiRapid is a pourable and flexible rapid setting cement based floor tile adhesive.

Thick Bed FlexiRapid has been specially developed for the solid bed fixing of a wide range of large format tiles such as:

  • ceramic tiles
  • porcelain tiles
  • terrazzo tiles
  • natural stone tiles

Thick Bed FlexiRapid can be applied up to a bed thickness of 25mm. It is ideal for fixing tiles of uneven thicknesses, for fixing to uneven surfaces and it can also be used to level uneven floors. A fast track adhesive, the rapid setting properties of Thick Bed FlexiRapid allow for light foot traffic and grouting after 3 hours. It is ideal for use in areas subject to prolonged or permanent wet conditions such as wet rooms and swimming pools. The product can be used internally and externally and it is unaffected by frost after setting.



More about Tilemaster Thick Bed FlexiRapid:

Coverage: 20kg will cover approximately 5m2 with a 3mm solid bed application


  • 3mm – 25mm bed depth
  • Developed for solid bed fixing of large format tiles
  • Suitable for fixing ceramic, porcelain, terrazzo and natural stone tiles
  • Pourable and flexible
  • Rapid setting, grout after 3 hours
  • Ideal for uneven tiles and uneven surfaces
  • Ideal for use above underfloor heating systems
  • Ideal for plywood overlay substrates
  • Internal and external use

Tilemaster Thick Bed FlexiRapid technical data:

Standard ConformityConforms to BS EN 12004 C2 F
Minimum Application Temperature5oC
Bed Thickness3mm – 25mm
Coverage20kg will cover approximately 5m2 with a 3mm solid bed application
Pot LifeApproximately 30 minutes at 230C
Before GroutingApproximately 3 hours depending on temperature and substrate

The set time will be increased by lower temperatures and reduced at higher temperatures

* Tiling onto an impervious substrate with a non-porous tile will increase the set time
Working Temperature of Cured Adhesive-40oC to 90oC
StorageStore unopened, clear of the ground in cool, dry conditions
Shelf LifeStored correctly this product has a shelf life of 6 months
ColoursGrey and White
Pack Sizes20kg
NoteAll work must be carried out in accordance with British Standard Code of Practice
for floor and wall tiling BS5385


  • Ceramics
  • Porcelain
  • Marble
  • Travertine
  • Limestone
  • Slate
  • Granite
  • Terracotta
  • Mosaics
  • Quarry

Surface / Substrate

  • Sand/Cement Screed
  • Concrete
  • Plywood Overlay (15mm min)
  • Electric Underfloor Heating
  • Water/Wet System Underfloor Heating
  • Tile Backer Boards
  • Existing Ceramic, Porcelain and Natural Stone Tiles*
  • Flooring Grade Asphalt & Bitumen*
  • Anhydrite Screeds
  • Existing Vinyl Tiles*
  • Epoxy DPM*

Coverage: 20kg will cover 5 – 6m² at 3mm thin bed application


Before starting, all substrates must be clean, dry and strong enough to support the weight of the tiles, tile adhesive and grout. Remove all dust, dirt, oil, grease and other contaminants that may affect adhesion.


Only mix small quantities at a time until you have become accustomed to the fast setting nature of the product. Always mix powder to water and mix to a smooth and lump free consistency. As a guide for powder to water ratio, 20kg of powder requires approximately 3.6 – 4.0 litres of water. Never add water after initial mixing, as this will impair the strength of the adhesive. Any product that has started to set must be discarded.

Pour the adhesive from the mixing bucket onto the substrate, do not spread more adhesive than can be tiled in 15-20 minutes. Trowel the adhesive to the required depth using a suitable large format / solid bed notched trowel. Bed tiles into adhesive using a twisting action ensuring full coverage of adhesive between tile and substrate. Using the Thick Bed FlexiRapid to fix tiles with a solid bed fixing method usually removes the need to back butter large format tiles, however, adhesive should be applied to the back of deep studded tiles to cover the studs. Ensure the adhesive is still moist and there is full coverage when tiles are pressed into place with a twist action.

NB. When fixing tiles externally or in areas subject to prolonged or permanent wet conditions, you must ensure that you achieve 100% adhesive coverage between tile and substrate.

Clean surplus adhesive from the tiles and joints as soon as possible as set adhesive will prove very difficult to remove later.

Clean tools after use with water.


Do not start grouting until the adhesive has set. This time can vary depending on temperature and site conditions. Impervious surfaces may extend the set time. In ideal conditions grouting can begin after 3 hours. If you are tiling an area of limited movement or underfloor heating you must use a flexible grout. Our Tilemaster Grout 3000 and Flexigrout range are highly recommended.




White, Grey


20Kg bags

Coverage: 20kg will cover 5 – 6m² at 3mm thin bed application


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3 hours ago

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3 weeks ago

BTP very helpful in supplying a pallet of floor leveller. I needed it on the Saturday, but didn’t want it sitting on the driveway for several days. I called and they recommended ordering for Thursday to give a day’s grace in case of any delivery issues. In the event the pallet arrived on Thursday as requested. Reliable and good value

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2 months ago

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4 months ago

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4 months ago

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4 months ago

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5 months ago

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Neil Salih
3 years ago

Peter Bostock
3 years ago

I purchased a pallet of these and I am very impressed from ordering to receiving my pallet and the delivery guys were very helpful as well .I will definitely recommend and use this company again .Highly recommend

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3 years ago

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3 years ago

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3 years ago

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