# UltraTile ProFlex S2

Tile adhesive · UltraTile

UltraTile ProFlex S2 takes 4.5 kg a square metre, by Instarmac Group plc's own figure: “Coverage: 4.5kg / m² at 3mm Bed Thickness”.
Source: Instarmac Group plc, UltraTile ProFlex S2 technical datasheet, read 12 October 2026.

What it is for, in the maker's words: “UltraTile ProFlex S2 is a single part, rapid setting, flexible, fibre reinforced adhesive for wall and floor tiles” (UltraTile ProFlex S2 technical datasheet, read 12 October 2026).

## The maker's figures

| Figure | The maker's words |
|---|---|
| 4.5 kg a square metre | “Coverage: 4.5kg / m² at 3mm Bed Thickness” |
- 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 |
|---|---|
| 4.5 kg/m² (“Coverage: 4.5kg / m² at 3mm Bed Thickness”) | 4.4 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/ultratile-proflex-s2/#where-to-buy. BuildBatch sells nothing and compares no prices.

## Questions

**How much does a 20 kg bag of UltraTile ProFlex S2 cover?** Instarmac Group plc gives a rate a square metre, not an area a bag. At its rates a 20 kg bag covers 4.4 m² (“Coverage: 4.5kg / m² at 3mm Bed Thickness”): the bag's kilograms divided by the rate, with nothing added for waste.

**How much UltraTile ProFlex S2 per square metre?** Instarmac Group plc states 4.5 kg a square metre (“Coverage: 4.5kg / m² at 3mm Bed Thickness”).

**What is UltraTile ProFlex S2 for?** Instarmac Group plc says: “UltraTile ProFlex S2 is a single part, rapid setting, flexible, fibre reinforced adhesive for wall and floor tiles” (UltraTile ProFlex S2 technical datasheet, read 12 October 2026).

**What sizes does UltraTile ProFlex S2 come in?** The catalogue lists 20 kg bag. A shop may not stock every size.

## Where the figures come from

- Instarmac Group plc, UltraTile ProFlex S2 technical datasheet (https://www.instarmac.co.uk/core/wp-content/uploads/2021/09/UT_ProFlex_S2_Datasheet_v4_Digital.pdf): 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/ultratile-proflex-s2/