Subfloor preparation · Ashford, TN24
Laitance removal, moisture checks and levelling explained for concrete subfloors in Ashford ahead of new flooring.
Suspended timber floors under Victorian terraces in Ashford need ventilation checked as well as levelness, since a damp void below causes problems no amount of surface work solves.
Concrete subfloors vary hugely in condition depending on age, whether they have been screeded, and what has been on top before. A floor that looks fine to walk on can still fail a moisture test or have a weak, dusty surface layer that will not hold flooring adhesive. Properties across Ashford show the full range, from recently poured slabs to older screeds carrying decades of previous floorcoverings.
| Condition found | Typical treatment |
|---|---|
| Sound, flat, dry slab | Prime and fit directly |
| Minor unevenness | Prime and apply standard latex |
| Larger dips or old tile lines | Prime, fibre-reinforced latex fill |
| High moisture reading | Mechanical prep, epoxy DPM, then latex |
| Heavy laitance or old adhesive | Grind or shot-blast, then prime and latex |
Priming over a contaminated surface, or levelling over a damp slab without a membrane, gives a finished floor that looks fine on the day but fails later through adhesive breakdown, cracking or mould. Following the assess, clean, test, treat, level sequence in order is what protects the investment in the new flooring.
Photography is from our own projects in Kent and is included to show finish and detail, not to represent any named address.
Uneven hallway floors are a recurring theme in Park Farm, usually where an old quarry tile floor was skimmed over rather than properly levelled years ago.
Narrow rear access off the Park Farm in parts of Ashford means preparation materials sometimes have to be carried through rather than driven to the door, which we plan for in advance.
Not all cracking in a concrete floor is a serious structural concern, but distinguishing a stable hairline crack from active movement matters before levelling begins. Movement joints designed into the original slab also need identifying, since bridging them incorrectly with rigid levelling compound can cause the new layer to crack in the same place later.
Postcode district TN24, Ashford Borough Council.
Our own fitters carry out grinding, moisture testing and levelling to the correct sequence, every time.
07702 737267Apply the correct primer, then latex screed to achieve a flat, smooth surface.
Once cured and checked, fit the new floorcovering onto the prepared subfloor.
Identify existing joints and cracks so levelling compound does not bridge them incorrectly.
Not usually. Latex and any damp-proofing need time to cure, so preparation and fitting are typically scheduled as separate visits.
Skipping preparation risks adhesive failure, an uneven finish, or moisture-related problems appearing after the floor has been fitted, which usually costs more to put right later.
A stable hairline crack can usually be bridged with a suitable compound, but active or widening cracks are best looked at more closely before levelling proceeds, since the cause needs understanding first.
Diamond grinding handles light dust and laitance, while shot-blasting is used for heavier contamination or stubborn old adhesive residue. The choice depends on what the survey finds.
We reach Ashford via the A28, and cover the wider TN24 district as part of our normal round.
A slab that looks fine can still fail a moisture or laitance check. Proper preparation in Ashford finds and fixes issues before they affect the finished floor.
Our own fitters carry out grinding, moisture testing and levelling to the correct sequence, every time.