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

Sealant applicators in Maidstone

Sealant work for offices, shops, hotels and other commercial buildings across Maidstone, carried out by CSCS-carded applicators. CHAS accredited and fully insured.

  • Gaps behind commercial kitchen worktops and sinks
  • Untidy joints in a reception, shop floor or lobby
  • Earlier reseals applied straight onto the failed bead
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
Constructionline member
£5m public liability

Commercial sealant contractors in Maidstone

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

How we handle commercial sealant contractors in Maidstone

Inside a commercial building, sealant does a lot of quiet work: washroom fittings, kitchen worktops, window boards, partition heads and the line where floors meet walls. Outside, it closes facade joints, frame perimeters and movement joints against the weather. Our applicators work on both the inside and the outside of the building, matching the sealant to the location instead of using one product throughout. If you’re dealing with smeared sealant across finishes from a rushed job and hardened, chalky sealant on south-facing or exposed elevations, we can put it right, whatever the surface. Whoever orders the work in Maidstone, the brief is normally the same: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

In Maidstone, as anywhere, the first joints to go are normally the ones that work hardest: frame perimeters in the sun, floor joints at doorways and anything that gets wet every day.

Places the size of Maidstone usually have a broad commercial mix: offices on business parks, shopping centres and retail parks, hotels and healthcare buildings. That variety is why a single contractor covering several premises can help, with colours kept consistent site to site where a brand needs it.

We sign every job off with a 12-month guarantee. The promise is simple: if our work fails within that year, we put it right.

The Mastic Doctor team standing beside their branded vans outside an office building
Place
Maidstone (ME15, ME16, ME14, ME17)
Region
Kent
Guarantee
12 months on every job
Quote
Fixed quote, scope in writing
Phone
01277 525 020
Updated
3 November 2026

Owners, agents and contractors

Hotels, schools, healthcare sites, offices and retail units come to us directly as well. The work is planned around how the building runs, so the building keeps working while we do.

Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, with each stage agreed with your site contact.

Our process

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 the job ends with a walk round and sign-off. Bigger buildings in Maidstone are typically done in phases agreed with the site or facilities manager, so the building keeps working. Photos and drawings let us propose a sequence with the quote.

  1. First, details reach us through the quote form or a site visit.
  2. We diagnose the cause of failure and price a fixed scope.
  3. Work is phased around your occupiers where areas need to stay in use.
  4. Every failed bead is removed rather than covered.
  5. Each joint gets a suitable sealant, laid to depth and tooled.
  6. We check the work with you, and the 12-month guarantee starts.

Before we start on site

  • Flag any permit to work we’ll need
  • Tell us your opening times and when work is allowed
  • Tell us which areas need to stay in use

Request a quote

Photos, drawings or a schedule of the joints and a fixed quote comes back to you. If the job needs a look first, we’ll arrange a site visit.

Get a quick quote

Read more

Common questions from Maidstone clients

Must a hotel around Maidstone close while you work?

Almost never. The work is phased so most rooms stay available. The plan is built around your bookings.

Do you cover business parks and estates near Maidstone, such as Tovil Green Business Park?

Yes. Estates, retail parks and business parks around Maidstone, Tovil Green Business Park among them, are all within reach. A few photos and the unit address let us price the work.

How long does a typical visit take?

The duration is planned around your programme and the access we’re given. You will have an expected duration with the quote.

Are your applicators CSCS-carded?

Yes. We use CSCS-carded applicators.

What site paperwork can you provide?

We will confirm the paperwork you need, such as RAMS, an insurance certificate or CSCS details, with the quote. We hold CHAS accreditation and Constructionline membership and carry five million pounds of public liability insurance.

How long do sealant joints 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.

Will you just go over the old sealant?

No, never. Overlaying old sealant is a frequent cause of early failure, so it all comes out first.

Commercial sealant contractors around Maidstone: points for this area

There are a number of hotels within about 2 miles of Maidstone. A hotel refurbishment is full of joints that guests will see, and a matched colour keeps them discreet, and the work can be phased so the rest of the hotel keeps trading. The 2 miles around Maidstone include two care or nursing homes. Care homes need tidy, cleanable joints in kitchens, corridors and communal rooms.

On a business park such as Tovil Green Business Park, which lies south-west of Maidstone, sealant work tends to follow fit-outs: receptions, tea points, washrooms and frame perimeters. Sites a few miles apart, such as Tovil Green Business Park and Powerhub Business Centre, can share one programme and one point of contact. For a hotel such as Stone Court Hotel, which lies north of Maidstone, the colour of a joint at the bar or the bath matters to the look of the room.

Maidstone is about 31 miles south-east of London, in Kent. Across the ME15 postcode area, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. Our Kent coverage takes in 931 places, from busy centres to rural villages. London is covered too, around 31 miles from Maidstone.

Work on sealant joints is covered throughout ME15, ME16, ME14 and ME17. For a building on Square Hill Road, Arundel Square and Square Hill or nearby, send details and we’ll quote for sealant joints. Main routes into Maidstone include the A20 and A26. Sites close to Maidstone are covered too, including Tovil (1 mile west), Foley Park (1 mile north), Shepway (1 mile south-east), Penenden Heath (1 mile north) and Weavering (1 mile east). A short drive away, we cover Sittingbourne (10 miles north-east), Sevenoaks (15 miles west), Royal Tunbridge Wells (14 miles south-west), Gravesend (13 miles north-west), Tonbridge (12 miles south-west) and Northfleet (14 miles north-west). Among the larger centres in Kent is Maidstone, and its commercial and public buildings are all within our area.

Around Maidstone

We work on buildings around St Augustine Academy, River Len LNR and Maidstone Grammar School. The closest station to Maidstone is Maidstone West station, about 0.6 miles north-west of the centre. A little further out are Maidstone Carriage Museum (less than half a mile north-west) and Oakwood Hospital (1.8 miles west). Not far away are Burham Down and Boxley Hills.

Map of Maidstone © OpenStreetMap contributors

Honest limits

Not every problem is a sealant problem, and we’re upfront when that’s the case. These need a different solution:

  • Faulty windows rather than failed perimeter sealant
  • Cracking that needs a structural engineer to look at it
  • Water from a services leak rather than a joint

If in doubt, call 01277 525 020 or send details through our quote form and we’ll say what we think before you book.

Surfaces we seal

  • Kitchen worktops and splashbacks
  • Movement joints in walls and floors
  • Window and door perimeters
  • External facade joints
  • Washrooms and tea points
  • Floor and threshold joints

Looking after the joints

Every sealant joint needs some looking after, and how long they last depends on how they’re treated. Our advice:

  • Have extract fans checked so wet areas dry out
  • Check joints after other trades have worked nearby
  • Check the asbestos register before anyone disturbs old sealant in an older building
  • Ask cleaners to use a soft cloth and mild cleaner on sealant

Add the resealed joints to your planned maintenance inspections. A periodic look catches splits and lifting edges early, with external elevations and wet areas first in line. If anything looks wrong, ring 01277 525 020 or use the quote form with a photo.

Movement joints that fill with debris stop working. With nothing soft to close against, the materials either side take the load and start to break up. At that point it’s a repair job rather than a reseal.

Cost factors for sealant joints

There’s no standard rate for sealant work, since sites vary so much. What we look at:

  • Working within restricted access windows
  • The total length or number of joints
  • Whether old sealant has to be cut out first
  • Specialist products, such as fire-rated or hygienic sealants

What a job costs comes down to the quantity of joints, how much old material needs removing and how the joints are reached. Call for a quote once you have the details.

Before you send an enquiry

Whether it’s one area or a whole building, the same details help:

  • The asbestos register, for older buildings
  • How the joints are reached, and at what height
  • Any specification or named product
  • What the building is and how it’s used

To get a fixed quote, give us a call on 01277 525 020 or email a schedule or drawings with the site address and an outline of the work. You can also send details through our quote form.

Why deal with it now?

Some managers wait for a fit-out before touching the mastic. For internal joints that are only cosmetic, that can make sense, but external and wet-area joints that already leak shouldn’t wait. Splitting the scope into now and later is often the sensible compromise. In a town the size of Maidstone, traffic, footfall and weather keep working on a failed joint. Catching it early keeps the fix simple.

Small jobs and large programmes are priced from the same things: scope, access, product and programme. Call for a quote and we’ll put a fixed figure on it.

Why us?

  • Colour agreed before work starts
  • Products installed to the manufacturer’s instructions
  • Matching to RAL references, product permitting
  • Constructionline member for supplier checks

Read how commercial sealant jobs are priced and our accreditations.

Accreditations

Trusted. Accredited. Insured.