Kent · England

Floor & skirting joints in Dartford, Kent

We cover Dartford for sealing skirting-to-floor joints, tiled floor movement joints and concrete floor joints. Old material cut out, joints cleaned and sealed neatly and a one-year guarantee.

  • Cracked grout where a tiled floor needs a movement joint
  • Grout used at the floor edge instead of sealant
  • Gaps between floors and kitchen plinths

Floor joint sealing near Dartford

Questions from Dartford

Do you work for landlords with property near Dartford station?

Yes, landlords and agents are among the people we work for. Just phone 0345 464 0079 or drop us an email with the address and what needs doing, and we’ll give you a clear quote.

Is there a guarantee on floor joint sealing in Dartford?

Every job comes with our one-year guarantee, wherever it is. We are fully insured, and an ARBOMaster approved applicator.

Will the old sealant be removed?

Yes. Sealing over old sealant is the main reason resealing fails early, and it’s something we never do.

Can you add a movement joint to a tiled floor?

Often, yes. Straight cracks in grout often show where a movement joint was needed. We replace that grout with a flexible joint.

How much does floor joint sealing cost in Dartford?

There’s no set price, as it depends on the job: how much there is, what’s there now, how we reach it and what it needs. We agree the price before any work begins.

How long before the joint can take traffic?

Follow the cure time we give you. Light use comes first, cleaning and heavy traffic later, depending on the product.

Where are you based?

Our base is in Crawley, and we cover South East England, London and all of Scotland.

Can you do several jobs on one visit?

Yes. Several rooms, windows or areas can go on one quote.

Floor joint sealing in Dartford, done properly

We seal floor joints in homes, offices and commercial buildings across Dartford. We start by checking the floor type and the joint, since that decides which sealant suits. We work on commercial floors, skirting boards and wet room & bathroom floors, and people most often call us about skirting that has pulled away from the floor and perimeter joints in tiled floors filled with grout.

Small business units and shops in a town like Dartford have floors that take heavy wear. Joints at thresholds and in tiled or concrete floors need resealing before the edges start to break up.

There’s a 12-month guarantee on every job, large or small.

Where
Dartford (DA1, DA2, DA5, DA13)
Wider area
Kent
Guarantee
One year on every job
Quotes
A clear price before work begins
Call
0345 464 0079
Last updated
26 October 2026
The Mr Mastic team in navy uniforms in front of three Mr Mastic vans

Keeping the joints in good condition

Good habits help new joints last longer. A few tips:

  • Do not fill floor joints with caulk where they move or get wet
  • Get cracks along tile grout lines looked at early
  • Walk round the room once a year and look at the edges
  • Do not slide heavy items over sealed joints

Don’t paint over silicone. If you plan to paint, we’ll use a paintable product.

Sealing a gap while it’s small is a quick job. Left alone, they collect dirt and widen over time.

How we quote for floor joint sealing

Call for a quick quote. What matters most is:

  • How easy the joints are to reach
  • How many rooms, windows or areas are involved
  • The type of sealant required
  • The old material and how stubborn it is

The cost depends on how much there is to do, how much old material has to come out and access to the work. You will have a clear quote before any work starts, so you know where you stand.

Asking for a quote

You do not need to know the technical terms. It helps if you can tell us:

  • What the problem is, such as mould, gaps, leaks or cracking
  • How we’d reach the joints
  • Photos by email, if that’s easy
  • Where the property is

We quote each job on its own. Simply phone 0345 464 0079 or drop us an email and describe the job and send photos if you have them.

Floor joint sealing in Dartford: local notes

Floors around Kent run from suspended timber in older homes to concrete in newer houses and units, and each moves in its own way. That is why the skirting and threshold joints need a flexible seal.

Managing a site like Dartford Primary Academy? Then floor joints in corridors, halls and entrances take heavy wear and need resealing before the edges break up. For landlords with property near Dartford station, open skirting and floor joints collect dirt and water, so seal them while the property is empty.

Dartford is about 14 miles east of London, in Kent. Whether you are in the middle of Dartford or further out, floor joint sealing is available for homes and businesses alike. Across Kent, we cover 922 places, and Dartford is one of them. We also work in London, around 14 miles away.

Every address in DA1, DA2, DA5 and DA13 is covered for floor joint sealing, from the main roads to the quietest streets. If you need floor joint sealing at a property on High Street, Market Street and Temple Hill Square or a nearby road, our applicators can take on the job. You will find Dartford on the A2 and A206, so it’s easy for us to get to with everything needed for floor joint sealing. If you’re just outside Dartford, we cover Temple Hill (1 mile north), Hawley (1 mile south), Stone (2 miles east), Clement Street (2 miles south) and Darenth (2 miles south-east). Larger places within reach include Sevenoaks (11 miles south), Gravesend (7 miles east), Northfleet (5 miles east), Swanley (4 miles south-west), Kings Hill (14 miles south-east) and Swanscombe (3 miles east). Dartford is one of the larger places we cover in Kent.

Landmarks near Dartford

Locally, jobs take us to homes and businesses close to The Rose pub, Stone Lodge School and Leigh Academy, among other places. There’s a railway station in Dartford itself: Dartford station. Well-known places in the area include Dartford Library (under half a mile west) and Bluewater (2.1 miles east). Open spaces near Dartford include Wansunt Pit and Sawyers Lake.

Map of Dartford © OpenStreetMap contributors

The process

Our applicators work methodically: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours for most rooms, longer for large commercial floors. Parking in a town like Dartford is normally straightforward, but tell us if there’s a driveway or any restrictions, and mention if the work is upstairs, in a flat or high on the outside.

  1. We start by checking the floor, the joint and what traffic it takes.
  2. We remove what’s in the joint now.
  3. The joint is vacuumed clean and backing fitted where needed.
  4. The chosen sealant goes in, coloured to suit the floor.
  5. We tool it neatly and tell you when it can be walked on and cleaned.

How to prepare

  • Mention any sign-in or site rules at work premises
  • Mention any parking rules near the property
  • Where the joints are inside, avoid wetting them before we arrive

Getting a quote

To get a quote, call 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. You will have a clear quote before we start.

Ask for a quote

Read more

Do you need floor joint sealing in Dartford?

Floors and walls move a little with the seasons. Heating dries timber and opens gaps along the skirting, then close again in damper months.

If you can see any of these, it’s time to have the joints looked at:

  • Floor edges that trap water and grime
  • Skirting caulk that keeps splitting
  • Perimeter joints in tiled floors filled with grout
  • Failed joint filler in concrete floors

If you look after a church, hall or community building such as Church of the Holy Trinity, joints in its floors, skirtings and thresholds need resealing as they wear.

What to look for in a quote

  • What product goes in the joint
  • How the surfaces are prepared before sealing
  • What happens if the job turns out different
  • How long the guarantee is

Choosing a sealant specialist

Leave it or put it right?

Dirt builds up in open joints and makes the floor look worn. Sealed joints are easier to keep clean and look tidier. In Dartford, as anywhere, most leaks start as a small gap in a joint, and early is when they’re cheapest and quickest to sort.

Some things make a job bigger or smaller: the old material and how easily it comes out, whether mould needs treating, and whether we need extra access for height. We take all of that into account in your quote.

Why Dartford clients choose us

  • 20+ years of sealant experience
  • Neat joints and a tidy finish
  • An ARBOMaster approved applicator
  • 4.9 on Google from 180+ five-star reviews

Take a look at how sealant jobs are priced and what customers say.

When it is not the sealant

A few problems are outside what sealant work can do:

  • Large cracks that need a surveyor
  • Cracked or broken concrete slabs
  • Leaks from a failed tanking system

Not sure which it is? You can call 0345 464 0079 or send us an email and we’ll tell you honestly.

Surfaces we seal

  • Wet room & bathroom floors
  • Commercial floors
  • Concrete floor joints
  • Skirting boards
  • Thresholds
  • Tiled floors

Should I try it myself first?

Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and doesn’t move well, and getting the depth right matters as much as the look.

If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it doesn’t work out, we can still put it right.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job