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Rocatex RG1 Ultimate Epoxy Grout 2Kg – Impervious, Water Wipeable, 3-Part Epoxy Wall & Floor Grout, 2-6mm

ROCATEX Tile Adhesives, Floor Levelling Compounds & Grouts

ROCATEX RG1 Ultimate Epoxy Grout is:

A 3-part, epoxy resin-based grout developed to provide a unique water wipeable wash-off system. It creates an impervious, waterproof tile joint with excellent mechanical strength which is resistant to chemical attack. Suitable for interior and exterior wall and floor grout joints between 2-6mm.

  • 2-6mm Joint Width
  • 40-60 mins Pot Life
  • 24 hours Set Time


  • Impervious / Waterproof
  • Highly Flexible
  • Good Chemical Resistance
  • Suitable for Hygiene Critical Areas
  • Easy Clean / Water Wipeable
  • Anti-Mould Technology
  • Colour Matched Silicones & Expansion Joints
  • Interior / Exterior / Domestic / Commercial
  • 2Kg Units

You can add this product to your order, however there must be a pallet/half-pallet in the cart to checkout.

Need a custom deal? 0333 344 2655 or info@buythepallet.co.uk

~ Free Delivery on Pallets & Half-Pallets, 3-5 Working Days ~

£20.25 +VAT

£20.25 £35.90 +VAT

Rocatex RG1 Ultimate Epoxy Grout more information:

Impervious, Water Wipeable, 3-Part Epoxy Wall & Floor Grout, 2-6mm

Areas of Use:

  • Ceramic / Porcelain / Natural Stone / Mosaics
  • Timber / Underfloor Heating
  • Swimming Pools / Wet Areas
  • Domestic / Commercial
  • Interior / Exterior

Rocatex RG1 Ultimate Epoxy Grout technical information:

ConformityConforms to the requirements of BS EN 13888 Class RG1
Application temperature8°C - 30°C
Pot Life40-60 mins at 20°C
Set Time24 hrs at 20°C (walk on)
7 days at 20°C (full cure)
Joint Width2 - 6mm


The joints must be clean, free of dust and free from adhesive to at least 2/3 of the thickness of the tiles. Any adhesive or mortar which has seeped into the joints whilst laying the tiles must be removed whilst still fresh. Ensure the adhesive has set and most of the moisture has been lost. ROCATEX RG1 Ultimate Epoxy Grout is not harmed by damp from the base but the joints must not be wet when grouting.


Add the curing agent (PART B) to the pigmented epoxy resin (PART A) and mix thoroughly until a uniform colour is achieved. Pour the mixed liquid into the larger mixing bucket and slowly add the filler aggregate (PART C) and continue to mix for 3-4 minutes until a uniform consistency has been achieved. Use a slow-speed electric mixer to guarantee perfect blending and to avoid overheating of the mix which could reduce working times.


Mix 5kg of ROCATEX CG2 Smooth Finish Grout with approximately 1.6 litres of cold clean tap water until a smooth creamy consistency is achieved using a suitable drill with whisk attachment. Mix at a slow speed for a minimum of 2 minutes to ensure that all ingredients (polymers, retarding agents, colour pigments etc.) are dispersed thoroughly throughout the whole mix. Allow to stand for 2 minutes then re-mix.


Apply the grout by using a hard rubber grout float or squeegee, ensuring that the joints are completely filled. Tile spacers must be removed from all joints. Remove any excess grout (this can be done with the edge of the same float) and clean the tile surface with a fine textured sponge or white emulsifying pad dampened with water. Do not over wet the sponge/pad and pass over the tiles at 45° to avoid removing grout from the joint. Rinse the sponge/pad often with clean water and replace it when it becomes too impregnated with resin. Within 24 hours of grouting, any remaining haze can be removed with a white emulsifying pad. The tiles should not be subjected to normal service conditions until the grout has cured, usually 24 – 48 hours depending on the temperatures applied. Do not apply if frost is forecast within 24 hours, in wet conditions, in temperatures below 8°C or above 30°C, to areas in direct sunlight or to substrates that are hot.


Once hardened, epoxy grouts are very difficult to remove, therefore, care must be taken to remove all traces of grout from the surface of tiles before the grout has cured.

Textured porcelain tiles should first be protected with ROCATEX C-10 Ultimate Sealer which is an effective water-based pre-grout treatment for use on all types of textured porcelain tiles, both internally and externally.

It helps with grout and jointing compound release from rough textured surfaces. See separate technical data sheet.

When using pigmented grouts, it is advisable to carry out initial tests to ensure that staining on the tiles does not occur, especially those with textured surfaces, matt glazes, unglazed or quarry tiles. Apply the grout to a few tiles before fixing to check for any staining and ease of cleaning off.

Chemical Resistance Information:

Rocatex RG1 Ultimate Epoxy Grout resistance

Rocatex RG1 Ultimate Epoxy Grout resistance


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