# Larsen Colourfast 360° Grout

Tile grout · Larsen

Larsen Colourfast 360° Grout takes 2.5 m² a kilogram, by Larsen Building Products' own figure: “with a 400 x 400 x 10mm tile and 5mm joint, 1kg of Colourfast 360 will grout ~2.5m2”.
Source: Larsen Building Products, Larsen Colourfast 360° Grout technical data sheet, read 12 October 2026.

What it is for, in the maker's words: “Professional Colourfast 360 is suitable for use as a flexible wall and floor grout” (Larsen Colourfast 360° Grout technical data sheet, read 12 October 2026).

## The maker's figures

| Figure | The maker's words |
|---|---|
| 2.5 m² a kilogram | “with a 400 x 400 x 10mm tile and 5mm joint, 1kg of Colourfast 360 will grout ~2.5m2” |
- The conditions the maker names: Each figure is for the notch, bed, tile or joint the maker names beside it. An uneven surface, a larger notch or buttering the backs of the tiles takes more.
- Waste: None of these figures adds anything for what is left in the bucket or spilt.

## What one bag covers at the maker's rate

| Rate | A 3 kg bag | A 10 kg bag |
|---|---|---|
| 2.5 m²/kg (“with a 400 x 400 x 10mm tile and 5mm joint, 1kg of Colourfast 360 will grout ~2.5m2”) | 7.5 m² | 25 m² |

Arithmetic on the maker's figure: the bag's kilograms divided by a rate a square metre, or times an area a kilogram, with nothing added for waste.

## Sizes

3 kg and 10 kg bags

## Where to buy it

The page has the shops' own searches for it, and any link there that is paid for is marked Ad: https://buildbatch.co.uk/products/larsen-colourfast-360-grout/#where-to-buy. BuildBatch sells nothing and compares no prices.

## Questions

**How much does a 10 kg bag of Larsen Colourfast 360° Grout cover?** Larsen Building Products gives an area a kilogram, not an area a bag. At its figures a 10 kg bag covers 25 m² (“with a 400 x 400 x 10mm tile and 5mm joint, 1kg of Colourfast 360 will grout ~2.5m2”): the bag's kilograms times the area a kilogram, with nothing added for waste.

**What is Larsen Colourfast 360° Grout for?** Larsen Building Products says: “Professional Colourfast 360 is suitable for use as a flexible wall and floor grout” (Larsen Colourfast 360° Grout technical data sheet, read 12 October 2026).

**What sizes does Larsen Colourfast 360° Grout come in?** The catalogue lists 3 kg and 10 kg bags. A shop may not stock every size.

## Where the figures come from

- Larsen Building Products, Larsen Colourfast 360° Grout technical data sheet (https://larsenbuildingproducts.com/?jet_download=608d8dc5e2e13ab424bca3c0cc0885870aeb44e5): coverage and what it is for, read 12 October 2026.

Written with AI tools; not yet checked by a tradesperson. Follow the bag's own instructions.

The page: https://buildbatch.co.uk/products/larsen-colourfast-360-grout/