Large-Format Porcelain Floor with Structural Remedial Works
Substrate Preparation & Remedial Works • Localised Levelling • Large-Format Porcelain
- Location
- Oaklands, Warrington
- Category
- Floor Tiling
- Tile type
- Large-format porcelain
- Tile size
- 1200 x 1200mm
01
The problem
A full ground-floor renovation in Oaklands, WA4, where lifting the existing tiled floor exposed significant substrate and remedial issues. The timber floor was strengthened and overboarded where required, localised levelling and an anti-cracking decoupling membrane were installed, and 1200x1200 large-format porcelain was laid to a continuous, level finish through the main ground-floor area.
02
Assessment & Preparation
- The existing tiled floor was lifted and the old adhesive bed mechanically removed back to the structural substrate.
- Stripping the adhesive exposed significant substrate and remedial issues that had to be resolved before any new tiling.
- The timber floor was strengthened and overboarded where required to give a rigid, deflection-free base for large-format porcelain.
- Localised levelling was carried out to bring the whole floor into a single, consistent plane.
03
The solution
- An anti-cracking decoupling membrane was installed across the floor to isolate the porcelain from movement in the substrate below.
- 1200x1200 large-format porcelain was laid using a mechanical levelling clip system to eliminate lippage across the large tiles.
- Doorway transitions were formed as bespoke tiled, mitred details in place of standard trims.
- The floor was grouted with a polyurethane resin grout for a hard-wearing, colour-stable joint.
04
The result
- A continuous, level porcelain floor running through the main ground-floor area with no thresholds breaking the run.
- A decoupled, properly remediated build-up designed to stay crack-free over a timber structure.
- Clean mitred doorway transitions and consistent resin grout lines throughout.
How the Job Was Done
From substrate condition through to the finished result.
Existing tiled floor before removal — the starting point across the main ground-floor area.
The old tiles and adhesive were stripped back to the structural substrate, exposing significant substrate and remedial issues. The timber floor was strengthened and overboarded with plywood where required, localised levelling brought the floor into a single plane, and an anti-cracking decoupling membrane was bonded across the whole floor to isolate the new tiling from movement below.
1200x1200 large-format porcelain installed over the decoupling membrane using a mechanical levelling clip system to keep the large tiles flat and lippage-free across the whole floor.
The levelling clip system holds every tile flush, and doorway transitions were formed as bespoke tiled, mitred details in place of standard trims. The floor was finished with a polyurethane resin grout for a hard-wearing, colour-stable joint.
A continuous, level porcelain floor running through the main ground-floor area with no thresholds breaking the run.
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