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Concrete Floor Grinding · London

Concrete Floor Grinding Contractors in Greenwich

Our own team grinds concrete and screed in Greenwich with diamond heads under dust extraction, removing high spots, lips between bays, laitance, adhesive and floor paint before the next layer goes on. It is preparation, not a finish: resin and polished finishes are other trades, and our grinders are not for hire. Before units at Charlton Riverside or new space at Woolwich and the Peninsula get a hard wearing floor, the old or new slab often has to be ground clean first.

Industrial and refit floors from Charlton Riverside to Woolwich

Along Charlton Riverside the land is still mostly industrial: Angerstein and Murphy's Wharf are protected, and the Westminster Industrial Estate is on the same stretch. Floors in that kind of building take heavy use, and when a unit changes hands or is refitted, the old surface usually has to be cleaned back first. Regeneration at Woolwich and the Peninsula adds new slabs that need the same care before a finish goes on.

Diamond grinding does that work. Heads with diamond segments spin against the slab and shave the top off in thin passes. Ridges, trowel marks and raised edges between bays come down, and painted lines, worn coatings, adhesive and the weak laitance on a newer slab come away with them. What is left is an open, sound surface that a levelling compound, a new screed or a resin system from another contractor can bond to.

Grinding has limits. It deals with local high spots, but a floor that slopes or dishes over a wide area keeps that shape however much is ground. The answer is to grind the high points and then level or screed. On a screed rather than a structural slab, depth also matters, because grinding too much away can leave it thinner than its minimum.

For big open floors or thick coatings, shot blasting or scarifying may be quicker, and both come under our floor preparation work. Where the slab is cracked or broken rather than just dirty, concrete floor repair comes before anything else.

Extensions, garages and lifted flooring in Greenwich homes

Houses need grinding on a smaller scale. Semis account for 18% of Greenwich homes, and the inter-war semis around Eltham and New Eltham are typical candidates for a rear extension. Where an extension slab meets the original floor, a lip or a strip of rough old screed often remains along the join. Grinding it back gives a clean edge, and our Greenwich levelling service then brings both sides into one flat surface.

Pulling up old vinyl, carpet or tiles tends to reveal glue. Black bitumen adhesive, tile adhesive ridges and patchy carpet glue all stop a new compound bonding properly. Some thin, sound residue can be covered, but most of it is better ground off.

Garage floors are another case. Paint, oil and a dusty surface have to go before a garage conversion gets a new screed or compound.

Silica is the hazard. It is present in every slab, screed and tile, and grinding turns it into a fine dust that should never be breathed in. We grind only with extraction attached to the machine, sheet off doorways and protect the rest of the house. Our grinders and diamond tooling are used by our own team only and are not for sale.

If the ground floor is then going to take sheet vinyl, a latex screed skim in Greenwich gives it a smooth face.

How we price floor grinding in Greenwich

A fixed written price within 24 hours, once we know the area and what has to come off. See our floor screeding cost guide.

Who grinds your concrete floor in Greenwich

Membrane and screed pump hose laid out before a pour
Membrane and screed pump hose laid out before a pour.

K & B Screeding’s own team, led by director Donatas Bardisevicius. Founded 2019, company 12298780.

See what customers say in our Google reviews and on our testimonials page.

Concrete Floor Grinding from Slough to Greenwich

Greenwich is about 30.8 miles east of our Slough base as the crow flies, with postcodes including SE2, SE9, SE3 and DA16. The nearest towns to it are Bexley (3.6 miles), Newham (3.7 miles), Lewisham (4.3 miles) and Tower Hamlets (5.2 miles).

More on floor grinding, part of our screeding services.

FAQs

Concrete Floor Grinding in Greenwich: your questions

What is the difference between grinding and shot blasting a floor?

Grinding uses rotating diamond heads that shave the surface in thin, controlled passes, which suits high spots, lips, adhesive and thin coatings. Shot blasting fires steel shot at the floor to roughen and clean it, and it is quicker on large open areas or thicker coatings. On a Greenwich unit refit the two are sometimes combined.

How much concrete does grinding take off?

Usually very little: the heads remove the surface in thin layers, often just enough to clear contamination and bring down the high points. We measure as we go, because a screed taken down too far ends up thinner than it should be. A liquid screed in a home starts from about 35mm and a sand and cement one about 65mm.

Do you polish concrete floors in Greenwich?

No. We grind concrete and screed as preparation for the next layer, such as compound, screed, new flooring or a resin system applied by another firm. Polished concrete and resin are separate specialist trades that we do not offer. The slab can be left clean and sound for whoever lays them.

Nearby

Concrete Floor Grinding near Greenwich

Free, no-obligation quote

A fixed price for your Greenwich floor