The Mastic Doctor team standing beside their branded vans outside an office building
Kent · England

Floor Joint Sealing contractors in Sandwich

Floor joint sealing and filling in warehouses, factories and industrial units in Sandwich and across Kent. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.

  • Failing joints at loading bays and dock doors
  • Unfilled floor joints collecting dirt and grit
  • A rough ride across broken joints
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
Constructionline member
Fully insured: £5m PL

Floor joint sealing across Sandwich

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

When to bring in a specialist

Site maintenance staff can often handle a short internal joint. The usual problems come from preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.

Using site staff can make sense for a small touch-up, but anything bigger is another matter: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

Floor joint sealing in Sandwich, done properly

For sites in Sandwich and across Kent, the process is short: you send details, we send a fixed quote, the joints are done and the 12-month guarantee follows. Approximate joint lengths, a few photos and a floor plan are enough for a quick quote and a visit can be arranged where that is easier. The enquiries we see most involve scruffy, dirty joint lines on a shop or showroom floor and joint fill separating from the concrete, on forklift and pallet-truck routes, saw-cut induced joints and joints along racking aisles. A single leaking joint is often how a building in Sandwich first comes to us: we look at the rest while we are there and tell you what we find.

Small units near places like Sandwich are often converted farm buildings with new concrete floors. Joints in those slabs need a product suited to whatever runs over them, from pallet trucks to foot traffic.

A 12-month guarantee applies to all our work in Kent. If an installation problem shows up, give us a call on 01277 525 020 or send details through our quote form and we will arrange a return visit.

Place
Sandwich (CT13)
Region
Kent
Cover
12 months on our workmanship
Quotes
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

FAQs: Sandwich

Does the sea air around Sandwich change the choice of sealant?

It can. Driven rain and salt are tougher on outside sealant than sheltered inland conditions. That puts more weight on product choice, primers where the manufacturer specifies them, and correct joint sizing.

Is Sandwich too small for you to travel to?

Not at all: smaller places are covered as well as towns. Our area covers London and the South East counties. We plan jobs in smaller places so return trips are kept to a minimum.

Do you seal on top of existing sealant?

No. Sealing over old material is one of the classic causes of early joint failure, so it all comes out first.

Do you have public liability insurance?

Yes. Mastic Doctor is fully insured, public liability included.

How do you choose the sealant?

Where there’s a specification, we use the product it names. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

How long will the new sealant last?

There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular checks let you plan resealing before leaks or damage.

Why has the filler pulled away from one side?

It can be shrinkage, contamination on the joint faces or a product unsuited to the movement. We diagnose the cause before suggesting a fix.

On site: what to expect

Working in a building that stays open takes some planning. The work area is signed and kept contained, with routes through the building left open and work section by section so the rest of the building stays in use. For a site in Sandwich, we plan so the whole job is done in one go where possible. Photos with rough sizes let us arrive with everything needed.

  1. We agree the traffic routes and phasing with your site team.
  2. We point out joints whose edges need repairing first.
  3. Failed material and debris are removed and the joint cleaned.
  4. We fill the joints with the agreed product, finished level.
  5. You get a time for each zone to reopen.

What we need from you

  • Tell us what induction or permit system the site runs
  • Send any specification or drawings in advance
  • Point out parking and an unloading spot

Ask for a quote

Quotes are fixed against the scope you send, so the cost is agreed before work starts. To start the process, speak to us on 01277 525 020 or email the details over.

Get a price

Related advice

Traffic, movement and joints around Sandwich

With the shore within about 3 miles, Sandwich counts as a coastal location. External movement joints in car parks, ramps and yards near the coast take salt and wind-driven rain on top of traffic, which is why split joints are worth sealing before the edges deteriorate. Sandwich lies roughly 64 miles out from central London. The South East has large numbers of industrial estates and warehouses along the motorway corridors, and their floor joints take forklift and pallet-truck traffic all day.

Hospitals like Ramsgate General Hospital (to the north-east of Sandwich) have multi-storey or surface car parks whose joints carry vehicles round the clock. In a school such as Sandwich Infant School, movement joints in brick, block and hall floors tend to be forgotten until they leak. Parks like Birnham Farm Business Centre (2.2 miles south-west of Sandwich) combine paved areas, car parks and building elevations, each with joints that move.

Sandwich is about 5 miles north-west of Deal, in Kent. Across the CT13 postcode area, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. Sandwich is one of 931 places in Kent on our list. Our London page has more on work in that area (64 miles or so).

Work on floor joints is covered throughout CT13. Buildings on Cattle Market, Market Street and High Street are within our area. If your building is just outside Sandwich, we cover Great Stonar (1 mile north), Felderland (1 mile south), Worth (1 mile south), Woodnesborough (1 mile south-west) and Statenborough (1 mile south-west). Further afield, our area takes in Canterbury (11 miles west), Margate (8 miles north), Dover (10 miles south), Folkestone (15 miles south-west), Ramsgate (5 miles north-east) and Broadstairs (7 miles north-east).

Local landmarks in Sandwich

Recent enquiries here include premises near Ham Fen, Sir Roger Manwood's School and The Red Cow Public House. There’s a railway station in Sandwich itself: Sandwich station. A little further out are The Precinct Toy Collection (less than half a mile north) and Ramsgate General Hospital (5 miles north-east). For a walk, there’s Monk's Wall nature reserve.

Map of Sandwich © OpenStreetMap contributors

What happens if it’s left?

Every jolt over a broken joint passes into the truck, the load and the driver. Wheels and bearings wear faster and loads can shift, which nobody budgets for. A properly filled joint smooths the route. In a smaller place such as Sandwich, getting a contractor back for a second visit takes time, so it’s worth dealing with every failing joint at once.

A quote for floor joints depends on how many there are, their condition and the access, and any specification that applies. Call for a quote.

Why appoint us

  • Failed material removed, not covered up
  • Constructionline member
  • Our applicators hold CSCS cards
  • CHAS accredited contractor

Read what affects the cost and our accreditations.

Commercial clients in Sandwich

Planned maintenance programmes are welcome: working through a building or an estate in stages that fit your budget. Sandwich can form part of a wider programme.

CHAS accredited and a Constructionline member, we make supplier vetting simple. We are fully insured, and our insurance certificate can go with the quote.

Maintenance after handover

Regular inspection catches problems early. In particular:

  • Mention any aggressive cleaning regime at quote stage
  • Check joint lines on busy aisles regularly
  • Keep photos of joints that look like they’re failing
  • Respect the cure time before traffic returns

Ask drivers not to drag forks or pallets along the floor. Even a well-filled joint can be damaged by steel scraping along it.

Regular inspection catches failing fills before the edges go. A phased plan, worst routes first, spreads the work out so nothing is left to fail.

Different surfaces, different methods

Retail and showroom floors

Retail joints see trolleys, footfall and scrubber-driers. The product is chosen for that traffic and the appearance is part of the brief.

Flexible floor sealants

Flexible floor sealants come in several colours, and we’ll confirm what the specified product offers.

Accreditations

Trusted. Accredited. Insured.