# Dunlop CLF-03 Flexible Large Format and Natural Stone Adhesive

Tile adhesive · Dunlop

A 20 kg bag of Dunlop CLF-03 Flexible Large Format and Natural Stone Adhesive covers about 0.5 m², by Dunlop Adhesives (Building Adhesives Limited)'s own figure: “A 20kg bag of CLF-03 provides coverage based on bed thickness: at 5mm thickness approximately 2.3m², at 10mm thickness approximately 1.1m², or at 25mm thickness approximately 0.5m²”. Dunlop Adhesives (Building Adhesives Limited)'s other figures are in the table below.
Source: Dunlop Adhesives (Building Adhesives Limited), Dunlop CLF-03 Flexible Large Format and Natural Stone Adhesive product page, read 12 October 2026.

## The maker's figures

| Figure | The maker's words |
|---|---|
| about 0.5 m² per 20 kg bag | “A 20kg bag of CLF-03 provides coverage based on bed thickness: at 5mm thickness approximately 2.3m², at 10mm thickness approximately 1.1m², or at 25mm thickness approximately 0.5m²” |
| about 1.1 m² per 20 kg bag | “A 20kg bag of CLF-03 provides coverage based on bed thickness: at 5mm thickness approximately 2.3m², at 10mm thickness approximately 1.1m², or at 25mm thickness approximately 0.5m²” |
| about 2.3 m² per 20 kg bag | “A 20kg bag of CLF-03 provides coverage based on bed thickness: at 5mm thickness approximately 2.3m², at 10mm thickness approximately 1.1m², or at 25mm thickness approximately 0.5m²” |
| about 8.75 kg a square metre | “at 5mm thickness approx. 8.75kg/m² at 10mm thickness approx.17.5kg/m² at 25mm thickness approx. 43.75kg/m²” |
| about 17.5 kg a square metre | “at 5mm thickness approx. 8.75kg/m² at 10mm thickness approx.17.5kg/m² at 25mm thickness approx. 43.75kg/m²” |
| about 43.75 kg a square metre | “at 5mm thickness approx. 8.75kg/m² at 10mm thickness approx.17.5kg/m² at 25mm thickness approx. 43.75kg/m²” |
- 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 20 kg bag |
|---|---|
| about 8.75 kg/m² (“at 5mm thickness approx. 8.75kg/m² at 10mm thickness approx.17.5kg/m² at 25mm thickness approx. 43.75kg/m²”) | about 2.3 m² |
| about 17.5 kg/m² (“at 5mm thickness approx. 8.75kg/m² at 10mm thickness approx.17.5kg/m² at 25mm thickness approx. 43.75kg/m²”) | about 1.1 m² |
| about 43.75 kg/m² (“at 5mm thickness approx. 8.75kg/m² at 10mm thickness approx.17.5kg/m² at 25mm thickness approx. 43.75kg/m²”) | about 0.5 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

20 kg bag

## 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/dunlop-clf-03-flexible-large-format-and-natural-stone-adhesive/#where-to-buy. BuildBatch sells nothing and compares no prices.

## Questions

**How much does a 20 kg bag of Dunlop CLF-03 Flexible Large Format and Natural Stone Adhesive cover?** Dunlop Adhesives (Building Adhesives Limited) states about 0.5 m² (“A 20kg bag of CLF-03 provides coverage based on bed thickness: at 5mm thickness approximately 2.3m², at 10mm thickness approximately 1.1m², or at 25mm thickness approximately 0.5m²”), about 1.1 m² (“A 20kg bag of CLF-03 provides coverage based on bed thickness: at 5mm thickness approximately 2.3m², at 10mm thickness approximately 1.1m², or at 25mm thickness approximately 0.5m²”) and about 2.3 m² (“A 20kg bag of CLF-03 provides coverage based on bed thickness: at 5mm thickness approximately 2.3m², at 10mm thickness approximately 1.1m², or at 25mm thickness approximately 0.5m²”), in its Dunlop CLF-03 Flexible Large Format and Natural Stone Adhesive product page, read 12 October 2026. Nothing is added for waste.

**How much Dunlop CLF-03 Flexible Large Format and Natural Stone Adhesive per square metre?** Dunlop Adhesives (Building Adhesives Limited) states about 8.75 kg a square metre (“at 5mm thickness approx. 8.75kg/m² at 10mm thickness approx.17.5kg/m² at 25mm thickness approx. 43.75kg/m²”), about 17.5 kg a square metre (“at 5mm thickness approx. 8.75kg/m² at 10mm thickness approx.17.5kg/m² at 25mm thickness approx. 43.75kg/m²”) and about 43.75 kg a square metre (“at 5mm thickness approx. 8.75kg/m² at 10mm thickness approx.17.5kg/m² at 25mm thickness approx. 43.75kg/m²”).

**What sizes does Dunlop CLF-03 Flexible Large Format and Natural Stone Adhesive come in?** The catalogue lists 20 kg bag. A shop may not stock every size.

## Where the figures come from

- Dunlop Adhesives (Building Adhesives Limited), Dunlop CLF-03 Flexible Large Format and Natural Stone Adhesive product page (https://dunloptrade.com/product/clf-03-flexible-large-format-and-natural-stone-adhesive/): coverage, read 12 October 2026.
- Dunlop Adhesives (Building Adhesives Limited), Dunlop CLF-03 Flexible Large Format and Natural Stone Adhesive technical data sheet (https://dunloptrade.com/wp-content/uploads/2024/09/TDS-Dunlop-CLF-03-Flexible-Large-Format-Natural-Stone-Tile-Adhesive-DUNCLF-03001.pdf): coverage, 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/dunlop-clf-03-flexible-large-format-and-natural-stone-adhesive/