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Ready mixed vs powdered tile adhesive for your wall

Updated: October 2026

You are holding a ready-mixed tub and a 20 kg cement sack, for a ceramic splashback on plaster or porcelain. The ready mixed vs powdered tile adhesive choice is one condition: paste on a wall the maker allows, and cement powder for a floor, the outside, porcelain the paste sheet refuses, or a background that moves. The [tile adhesive comparison](/hub/fillers-adhesives-and-sprays/tile-adhesive) lines up the seven amazon.co.uk listings. We did not run a lab spread. A qualifying purchase through our links can earn a commission at no extra cost to you.

You are holding a ready-mixed tub and a 20 kg cement sack, for a ceramic splashback on plaster or porcelain.

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Where the tile is going

The surface picks the pack. Tile It Right puts cement adhesive on wet or dry floors and walls, and dispersion paste on damp or dry walls. Check the maker before a paste meets a floor, because at least one face has to be porous. The ready-mixed tub is that dispersion, for walls. Cement-based tile adhesive is what still goes on a floor, outside, or a background that moves.

What ready-mixed paste can do on a wall

None of these seven listings is a reaction resin, the two-pack type usually marked R. The class field on these ready-mixed amazon.co.uk listings is not printed, so the wall words on the tub are the claim you have. Everbuild 703, 750 g at £6.24, is walls only and is also sold as a grout. Using that grout line to bed a floor tile is the mistake. The full class letters sit on the tile adhesive buying guide.

What only the powder prints

Bond It CTA Flexible grey is £17.75 for 20 kg, mixed at 20 kg to 5 litres of water. The brand field says ARA CHOICE and the manufacturer field says BOND IT, so the bag should read CTA Flexible grey. Opening the sack means wet cement, which the Health and Safety Executive treats under COSHH for burns and dust, with a chromate reducer that lasts only until the date on the bag. The grey listing prints EN 12004 Type C2 T E S2.

The condition that chooses the pack

Use the paste when the maker allows that wall, and the cement powder for a floor, the outside, porcelain the paste sheet refuses, or a background that moves. Sika's page for Everbuild 703 names porcelain wall tiles, so follow the tub on the wall it describes. A porcelain floor stays with Bond It.

Which listing sits on which side

Everbuild 703 (£6.24, 750 g), EVO-STIK (£11.29, 1 litre) and UniBond (£7.99, 300 g) are also sold as grout. The larger EVO-STIK at £24.41 names shower walls, and its size fields disagree, so a 5 litre figure stays unresolved. Instant Grab at £25.56 is adhesive only and showerproof. LAMXIN at £9.99 for 100 ml is a clear craft gel, and the wrong bed for a splashback.

Common questions

When is a ready-mixed tub the right tile adhesive?
A ready-mixed tub is right for a wall the maker allows, where at least one face can take water. Tile It Right puts dispersion paste on damp or dry walls and says to check the maker before a floor. Everbuild 703 at £6.24, the £11.29 EVO-STIK tub and the £7.99 UniBond tube are the small wall packs in this set. A floor, outside work, or a background that moves belongs with the cement powder.
When do I have to use powdered tile adhesive?
Use powdered tile adhesive for a floor, the outside, a background that moves, or porcelain that your paste sheet refuses. Tile It Right allows cement on wet or dry floors and walls. Weber's UK note treats ready-mixed paste as unsuitable for floors. Bond It CTA Flexible grey is the powder here, £17.75 for 20 kg, mixed 20 kg to 5 litres, with C2 T E S2 on the grey listing. A wall the tub names can stay with the paste.
Why does ready-mixed tile adhesive need a porous face?
The paste hardens by losing water, so the tile or the background has to let that water out. Tile It Right makes this the check before a paste goes on a floor. Glazed porcelain bedded on old glaze closes both faces. Ceramic on plaster that can still absorb is the wall case, if the tub allows it. Bond It hydrates after you mix it, so it can name dense tiles and floors. Two sealed faces leave the tub as the wrong pack.
Does porcelain on the tub mean I can tile a porcelain floor?
A porcelain line can mean wall tiles, which is separate from a floor. Sika's page for Everbuild 703 names porcelain wall tiles, and the UniBond listing names porcelain, so those tubs are read for that wall. Weber's UK note still treats ready-mixed paste as unsuitable for floors and, in that note, for porcelain. Follow the tub you bought. A porcelain floor is Bond It CTA Flexible, which names floors and porcelain together.
What class does the Bond It sack print, and what is S2?
Grey Bond It CTA Flexible prints EN 12004 Type C2 T E S2. C2 is the improved adhesion The Tile Association associates with porcelain. S2 is at least 5 mm of transverse deformation and S1 is at least 2.5 mm and under 5 mm, and Laticrete limits both bands to cement adhesives. An older white-bag sheet said S1, so read the grey bag, which prints S2. Ready-mixed class fields in this set are not printed.
Is the powder cheaper per square metre than the £6.24 tub?
The £17.75 sack is the large-area pack, and the £6.24 tub is a small repair. At a published 1.7 kg per square metre, 750 g of Everbuild 703 covers well under 1 m². A merchant sheet, absent from the amazon.co.uk listing, puts about 6–7 m² on 20 kg of Bond It at a 3 mm bed, a few pounds a square metre before waste. That is arithmetic, not a timed spread. A thicker bed or extra waste changes the figure.

Related pages

Sources

Public UK sources used for this comparison. Listing prices are the amazon.co.uk lines in this set, October 2026.

  1. The Tile Association — Tile It Right (retrieved 16 October 2026)
  2. The Tile Association — adhesives note (retrieved 16 October 2026)
  3. BSI — BS EN 12004-1:2017 (retrieved 16 October 2026)
  4. HSE — cement (retrieved 16 October 2026)
  5. Sika UK — EVERBUILD 703 (retrieved 16 October 2026)
  6. EVO-STIK — mould-resistant wall tile adhesive and grout (retrieved 16 October 2026)
  7. Bond It — CTA Flexible tile adhesive grey (retrieved 16 October 2026)
  8. Weber UK — ready-mix or powdered tile adhesive (retrieved 16 October 2026)