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Yellow depth pins set across a bare slab beside a marble kitchen island, with the laser line showing on the wall.

Read the floor.
Then choose the method.

Every floor is different. We check it, correct it and prepare it for the floor going on top.

Contact the experts

How it is read

A laser level and a straight edge show where the floor sits high, where it dips, where it falls away and how much the height changes across the room. We take the time to measure it properly. A few millimetres decide how well the new floor goes down.

  • A straight edge across a hallway slab rocks on a raised crest, with gaps under both ends.

    High spots

    Raised areas, trowel ridges and hard lumps sitting above the rest of the floor.

  • A straight edge on a slab with daylight showing under its middle, where the floor dips.

    Low spots

    Dips that sit below the rest of the floor.

  • A hairline crack running across a bare slab, and a patch of broken surface beside it.

    Breaks and cracks

    Broken edges and cracks in the existing surface.

  • A laser line runs level along the wall while the floor below falls away from it towards the far end.

    Slopes and falls

    A floor that runs downhill across a room.

  • A straight edge across a slab touches in a few places, with light showing through the gaps beneath it.

    Unevenness

    A wavy floor with no single high or low point.

  • A spirit level held level across a doorway, with a small rule under its far end measuring the drop to the floor in the next room.

    Differences in height

    A step or change in level between rooms or at a doorway.

What the reading decides

Depending on what the floor is doing, it may need flattening, levelling, grinding, filling, or a combination of these.

  • Flattening

    Taking out the ups and downs across the surface.

  • Levelling

    Bringing the floor to one even plane.

  • Grinding

    Taking off high spots, lumps and rough patches.

  • Filling

    Filling the low points with floor-prep material.

Flattening and levelling aren't the same thing. A floor can need one, the other, or both.

Where the preparation sits

We work between the existing slab and the new floor: correcting the low areas and preparing the surface.

  1. New floorLaid by your installer, or by us if it's floorboards.
  2. Correction layer Our workFills and corrects the low areas, where needed.
  3. Prepared surface Our workThe surface prepared for the new floor.
  4. Existing slabThe concrete that's there now.
A bare slab along a kitchen run after the old covering came up, before the depth pins were set.

What shapes the preparation

What we find
The laser level and straight edge show the high spots, low spots and falls.
What's down now
Tile, carpet, vinyl and timber all come up differently, and what's left underneath changes the prep.
The base
Concrete, particleboard and plywood are prepared in different ways.
The new floor
What's going on top changes how the base is prepared.

Our work meets industry standards, and we always aim for the best result for our customers.

Tell us what the floor is doing

Tell us what's down now, what's going on top and what you can see. We'll work out the method.

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