The world's largest supplier of underfloor heating

Ultra Tile Fix ProGrout Flexible Grout 3kg

Ultra Tile Fix ProGrout Flexible Grout 3kg

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RRP: £25.19Our Price£7.00 inc. VAT
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Flexible Grout for Underfloor Heating is now here from The Underfloor Heating Store. Perfect for wooden and concrete subfloors and with the lowest price online!

Ultra Tile adhesives FlexJoint is Specially designed for areas where movement or vibration is likely to cause problems with grout or tiles cracking and is perfect for underfloor heating where the constant heating and cooling and expansion and contraction can cause similar problems.

Flexible grout for underfloor heating will solve all these problems and provide you with a high quality low cost solution that looks fantastic.

Available in grey, white and cream - please choose above.

  • Kitchens, Bathrooms, Swimming Pools, Power Showers etc.
  • Underfloor Heating
  • Super Fine Texture
  • Mould & Stain Resistant
  • Water Repellent
  • Wipes Clean Easily
  • Polymer Modified


For a standard size tile of width 400mm and length 300mm with a joint width of 6mm and a joint depth of 5mm - 1 * 3kg bag will cover approx 10m2 of tiling.

For detailed coverage details please visit Ultra Tile Adhesive site and their handy coverage table.

Packaging3kg and 10kg bags
Standard ConformitiesCG2, EN13888
Initial Drying time10-15 min (dependent on temperature)
Pot Life60 min (dependent on temperature)
Set Time24 hours
Application Thickness1-20mm
Protein FreeYes
StorageThis product must be stored in unopened bags, clear of the ground in cool dry conditions and protected from excessive drafts.
Shelf LifeUnopened bags: 12 months in cool, dry conditions above 5°C and below 30°C.
NameProduct CodePrice
Ultra Tile Fix ProGrout Flexible Grout 3kg - Cream40£7.00
Ultra Tile Fix ProGrout Flexible Grout 3kg - Grey41£7.06
Ultra Tile Fix ProGrout Flexible Grout 3kg - White42£7.06

Delivery options

Our delivery costs vary according to order size and location. For more information see our Delivery page.

As standard we include FREE 2 - 3 working day delivery to all UK mainland addresses (excluding, Channel Islands & Eire) on all heating products.

All orders placed after 3pm on a Friday and at the weekend will be processed on Monday and placed on next working day delivery

Please note: orders must be placed before 3pm to be eligible for our Next Working Day, Next Working Day Before 10:30am and Saturday delivery options.