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

Industrial and floor joint sealing in Southernden, Kent

Work needed on a floor joint in Southernden? We look at it, seal it with the right product and hand it over with a 12-month guarantee.

  • Sealant pulled out along a truck route
  • A gap opening alongside old joint filler
  • Old filler gone hard, cracked or loose
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
South East, London & Scotland
Constructionline member
Fully insured: £5m PL

Floor joint sealing across Southernden

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

What we can’t put right

Sealant solves a lot, but not everything, and we’re upfront when that’s the case. These need a different solution:

  • Broken concrete either side of the joint
  • Wide or random cracking that suggests a structural issue
  • A floor that rocks at the joints, which needs a structural fix

If in doubt, ring 01277 525 020 or email drawings and photos and we’ll say what we think before you book.

Surfaces we seal

  • Loading bays
  • Forklift and pallet-truck routes
  • Saw-cut induced joints
  • Construction joints
  • Joints along racking aisles
  • Retail and showroom floors

Floor joint sealing in Southernden, done properly

Most industrial slabs are divided into panels with saw cuts and day joints, and every one of those joints is an exposed edge under hard wheels. Our job is to put the right filler or sealant into them for the loads and the movement they see so the edges are held up and debris can’t pack in. Most enquiries involve scruffy, dirty joint lines on a shop or showroom floor and flexible sealant torn out by wheels, on forklift and pallet-truck routes, retail and showroom floors and loading bays. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Southernden is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.

For a site near Southernden, measurements and photographs up front mean one trip where possible, with the right materials on hand. Tell us the joint widths if you can, and what drives or walks over them.

We stand behind the joints we seal with a 12-month guarantee. It covers how we prepared and applied the sealant, and if something we did falls short, we return to it.

Place
Southernden (TN27)
Wider area
Kent
Guarantee
A 12-month guarantee
Price
Quoted before any work starts
Call
01277 525 020
Updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Questions we are asked in Southernden

Is Southernden off your patch?

Not at all. Southernden is within our area. Our area covers London and the South East counties. Good photographs up front let us bring everything on the first visit.

Can you work at a site such as Barradale Farm Industrial Estate, by Southernden?

Yes. Our area takes in Southernden and its surroundings, with estates and business parks such as Barradale Farm Industrial Estate included. To start, just call the office on 01277 525 020 or email the details over with the unit, the joints involved and your access times.

When can forklifts run over new joint filler?

Cure times vary with the product and how cold the slab is. You will get a reopening time for each area when we agree the phasing.

Do you hold CHAS accreditation?

Yes. CHAS accredited, Constructionline member, and our applicators hold CSCS cards.

Is colour matching possible?

In many cases, yes. Sealants are made in a wide range of standard colours, and matching to RAL references or nearby finishes is commonly requested. We will confirm the colours available for the specified product.

Are your applicators CSCS-carded?

Yes. Should the site need card details in advance, tell us and we will confirm them with the quote.

Does weather matter for sealant work?

Outside, yes. The joint has to be dry and within the product’s temperature range, so frost, rain or cold mornings can delay outside work. Inside work is seldom held up.

Cost factors for floor joints

Before we quote, we look at:

  • Whether old sealant has to be cut out first
  • Travel to remote or island sites
  • Whether the work must be split into stages
  • The total length or number of joints

The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a fixed quote and we will explain how it’s made up.

What to include in your enquiry

However big the job, the same details help:

  • Drawings or a marked-up plan, if available
  • Any dates the work must fit around
  • Anything awkward about access or site hours
  • Clear photographs of the problem areas

A handful of photos and a postcode is the fastest way to a quote. Send them through the quote form, or speak to us on 01277 525 020 or send details through our quote form if you’d rather talk the job through.

Diagnose, treat, sign off

Before any cutting starts, the area is protected: tape along each joint edge and covers over finishes, stock and equipment close by. The work itself usually takes between a day and a number of days, set by the joint lengths, the edge condition and the phasing you need, and our waste is bagged and taken away as we go. Jobs in and around smaller places like Southernden are usually planned as a single visit, so we ask for photos and rough sizes first. That way the right products come on the day.

  1. First comes a walk of the floor to record joint sizes, broken edges and traffic routes.
  2. A fixed quote follows, listing the treatment for each area and the order of work.
  3. Old filler, debris and contamination are cut or routed out back to clean concrete.
  4. Dust is sucked out of the joint and a primer used if the product data sheet asks for one.
  5. We fill each joint to depth and finish it flush so wheels roll straight across.
  6. The area is handed back once it has cured enough to take traffic.

What we need from you

  • Clear stock, furniture or equipment away from the joints
  • For older buildings, check the asbestos register before work
  • Explain the parking and delivery arrangements

Request a quote

To get a fixed quote, give us a call on 01277 525 020 or use the quote form, telling us the site location and the nature of the job. Our quote form is another easy route.

Get a price

Advice

Keeping the joints sound

For the best life from the joints:

  • Sweep debris out of open joints until they can be filled
  • Stop forks and pallets being dragged across joints
  • Respect the cure time before traffic returns
  • Check joint lines on busy aisles regularly

On younger slabs, a fine line can open down one side of a filled joint as the concrete keeps shrinking. It is a known trait of new floors and a later top-up deals with it in the majority of cases.

Joints are easiest to look after when someone checks them regularly. We can quote a programme that starts with the busiest areas so nothing is left to fail.

Why deal with it now?

Dirt and spillage gather in open joints, out of reach of the floor cleaner. In shops, showrooms and clean production areas that matters for hygiene and appearance. Filled joints are far simpler to keep clean. Converted and older buildings near places like Southernden tend to move, and aged sealant cracks. A sealant with the right movement capability, correctly sized, lasts far better.

Quantities, awkward access and phased working all shape the price. So do site requirements such as inductions and permits, along with the time of year for external work.

Why clients in Southernden choose us

  • CHAS accredited contractor
  • Joints cleaned back to sound surfaces
  • Clear, fixed quotes
  • Products installed to the manufacturer’s instructions

Read what affects the cost or our accreditations and insurance.

Warehouse floors and decks around Southernden

At about 39 miles from central London, Southernden is within reach of the capital. Warehousing clusters around the motorways that ring and radiate from London; their floors carry heavy traffic every shift. Rainfall across the South East, Southernden included, is lower than in many parts of the UK. Outside joints in yards and car parks still have to be dry before sealing, and where de-icing salt is spread in winter, open joints let it in.

Around Southernden, each joint gets a filler or sealant matched to what crosses it and how much it moves.

Southernden is about 8 miles south-east of Maidstone, in Kent. Looking for floor joint sealing in Southernden? We can help, as we do across Kent. Southernden is one of 931 places we cover in Kent. We also cover London, around 39 miles from Southernden.

If you need floor joint sealing in TN27, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. Close to Southernden, our area also takes in Swift's Green (1 mile south), Smarden Bell (2 miles south), Headcorn (2 miles south-west), Hearnden Green (2 miles west) and Biddenden Green (2 miles south-east). Nearby towns on our patch include Maidstone (8 miles north-west), Ashford (9 miles east), Sittingbourne (11 miles north), Faversham (13 miles north-east), Kings Hill (13 miles north-west) and Davington (13 miles north-east).

Around Southernden

The closest station to Southernden is Headcorn station, roughly 2.1 miles south-west of the centre. A little further out are Coldbridge Castle (1.7 miles north-east) and Kent Firefighting Museum (3.8 miles south-west).

Map of Southernden © OpenStreetMap contributors

What we’re called out for in Southernden

Oil, laitance, dust and old cleaning chemicals build up inside joints. Without cutting back to sound, clean concrete the new filler can’t stay bonded.

Any of the following is a good reason to get the joints checked over:

  • Joint fill separating from the concrete
  • Unfilled floor joints collecting dirt and grit
  • Dock area joints that have failed first
  • Broken arrises where pallet trucks cross

Estates like Barradale Farm Industrial Estate, 2.4 miles to the west of Southernden, combine warehouse slabs, yards and loading bays, all with joints under wheels.

Questions to ask before you book

  • How the joint faces will be prepared and primed
  • Will failed sealant be removed rather than covered?
  • The named product and why it was chosen
  • How they handle RAMS and site documents

Questions to ask before you appoint anyone

Accreditations

Trusted. Accredited. Insured.