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

Floor Joint Sealing contractors in Mersham

We carry out floor joint sealing and filling in warehouses, factories and industrial units in Mersham and the surrounding area. Send photographs or drawings for a fixed quote.

  • Unfilled floor joints collecting dirt and grit
  • Sealant pulled out along a truck route
  • Dock area joints that have failed first
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Floor joint sealing across Mersham

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

Floor joint sealing in Mersham

Before quoting, we look at what the floor is telling us: joint widths, whether the joints are still opening, what runs over them and how the edges have held up. That tells us whether semi-rigid filler or flexible sealant suits each run and the answer can differ from one zone to the next. We work on retail and showroom floors, construction joints and loading bays, and the usual reasons a site gets in touch are old filler gone hard, cracked or loose and a rough ride across broken joints. Facilities teams, main contractors and managing agents in Mersham tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

Smaller community and commercial buildings around Mersham have their own movement joints in walls and floors. They tend to be overlooked until something leaks or cracks.

The 12-month guarantee covers our workmanship: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

Location
Mersham (TN25)
Wider area
Kent
Guarantee
A 12-month guarantee
Quotes
A fixed quote before we start
Phone
01277 525 020
Updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Maintenance after handover

To get the most from the new sealant:

  • Hold traffic back until the product has cured
  • Clear packed debris from open joints regularly
  • Photograph any joint that starts to chip
  • Expect fillers on young slabs to need a top-up

A routine walk of the busiest aisles shows how the joints are holding up. Watch for filler pulling away from an edge, fresh chipping or grit collecting and keep photographs so changes are easy to compare.

Grit in an open joint does damage every time a wheel crosses it. Filling it ends that cycle while it is still a straightforward job.

Common problems we fix in Mersham

Older fills harden, shrink and crack with age especially under daily scrubbing and traffic. Once it has gone hard or come loose, it protects nothing.

What tends to prompt an enquiry:

  • Sealant pulled out along a truck route
  • Joint fill separating from the concrete
  • Joint edges breaking up under truck wheels
  • Loading bay joints breaking down

Across sites such as Evegate Business Park, 1.1 miles to the east of Mersham, floor and movement joints can be sealed in phases so units keep working.

Comparing quotes

  • Their public liability cover
  • Will failed sealant be removed rather than covered?
  • Are they CHAS accredited or on Constructionline?
  • How they’ll work around occupants

Choosing a commercial sealant contractor

Floor joint sealing around Mersham: what changes locally

Central London is about 52 miles from Mersham. Warehousing clusters around the motorways that ring and radiate from London. The South East is one of the drier parts of the UK. Even so, yard and car park joints are only sealed when they’re dry and clean, while winter salting gets into any joint left open.

Large sites such as William Harvey Hospital (Ashford) (1.6 miles north of Mersham) have car parks, service roads and long elevations with movement joints in brick and panels. For buildings at a park such as Mersham-le-Hatch Business Village, which lies north-east of Mersham, brick and panel movement joints are easy to forget until one leaks.

Mersham is about 3 miles south-east of Ashford, in Kent. Anywhere in TN25, it works the same way: send details, get a fixed quote, we seal, and the work is guaranteed. 931 places across Kent fall within our area, including Mersham. Sites around Brighton have their own page, about 50 miles away.

We cover the TN25 postcode districts for floor joints. Buildings on Church Road, The Street and Church Close are within our area for floor joints. If your building is just outside Mersham, we cover Sevington (1 mile north-west), South Stour (1 mile south-west), Ridgeway (1 mile east), Hinxhill Park (2 miles north) and Smeeth (2 miles east). A short drive away, we cover Ashford (3 miles north-west), Canterbury (13 miles north-east), Folkestone (11 miles east), Faversham (14 miles north), Hythe (7 miles south-east) and Davington (14 miles north).

Local landmarks in Mersham

We work on buildings around The Farriers Arms and Poulton Wood, among other places. The nearest railway station is Ashford International station, about 2.9 miles north-west of the centre. Other landmarks nearby include Ashford Designer Outlet (2.6 miles north-west) and William Harvey Hospital (1.7 miles north-west). The countryside around Mersham includes Hatch Park.

Map of Mersham © OpenStreetMap contributors

Questions we’re asked in Mersham

Can you work at a site such as Mersham-le-Hatch Business Village, by Mersham?

Yes. We cover Mersham and the area around it, including industrial estates, business parks and retail parks such as Mersham-le-Hatch Business Village. To start, just give us a call on 01277 525 020 or email us with the unit, the joints involved and your access times.

Can you work on a hospital site such as William Harvey Hospital (Ashford)?

Yes, provided the work is planned with the site’s estates team. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

Is it fine to apply new sealant on top of old?

No. Overlaying old sealant is a frequent cause of early failure, so everything comes out first.

Which is better for warehouse joints, filler or sealant?

It depends on the traffic and the movement. Forklift routes generally call for a semi-rigid filler that holds the arrises, while joints that move more take a flexible sealant.

Is colour matching possible?

In many cases, yes. Many products come in a range of standard colours, and matching to RAL references or surrounding finishes is often possible. We will confirm the colours available for the specified product.

Does the weather affect the work?

Outside, yes. Sealant needs a dry joint and a temperature within the product’s range, so frost, rain or cold mornings can delay outside work. Internal work is rarely affected.

Can you phase floor joint work around operations?

In the majority of cases, just the area being treated is coned off. Each zone reopens when the product can take traffic and the next zone follows.

What the job involves on each surface

Construction joints

Day joints sit where one section of slab was cast against another. They can move more than saw cuts, and that shapes the product choice.

Retail and showroom floors

Retail joints see trolleys, footfall and scrubber-driers. We pick a filler or sealant to suit and the appearance is part of the brief.

Work for main contractors and building owners

Hotels, schools, healthcare sites, offices and retail units book us directly too. The work is planned around how the building runs, so guests, pupils, patients or staff are disturbed as little as possible.

FMs need a contractor who is easy to get on site. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we will confirm with the quote.

When to bring in a specialist

For a quick touch-up, site staff may be fine, but anything bigger is another matter: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

For most general trades, sealant is a sideline. A specialist prepares properly, controls joint depth and picks a product with the right movement class, which is what makes a joint last.

On site: what to expect

Inspect, seal, sign off: every visit follows that pattern. We inspect the joints and confirm what’s in scope, then we prepare and seal each joint with the specified product, and we finish with a walk round so the work can be signed off. For a building around Mersham, tell us how to find it and who will meet us. Send that with the details and we’ll confirm the plan with the quote.

  1. We walk the floor and mark up joint widths, edge damage and traffic routes.
  2. You receive a fixed quote showing products and phasing.
  3. Old fill and packed debris come out until both faces are sound.
  4. We extract the dust and prime the faces if the product needs it.
  5. The joint is filled to its specified depth and trimmed level.
  6. Zones reopen once cured and the work moves on.

What we need from you

  • Point out any areas we must not close
  • Let building users know which areas are affected
  • Send your site hours and access windows

Getting a fixed quote

Send us photos, drawings or a joint schedule and a fixed quote comes back to you. Where a site visit makes more sense, we will arrange one.

Ask for a quote

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