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

Industrial and floor joint sealing in Cranbrook, Kent

Floor joint sealing for Cranbrook, from a contractor working since 2005. Fully insured and CHAS accredited.

  • Broken arrises where pallet trucks cross
  • Untidy open joints in a retail unit
  • A rough ride across broken joints
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
Covering the South East & Scotland
CHAS & Constructionline
£5m public liability

Floor joint sealing for businesses in Cranbrook

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

About our floor joint sealing in Cranbrook

Across Cranbrook and the rest of Kent, it runs the same way: send details, get a fixed quote, we seal, and the work is guaranteed. Approximate joint lengths, a few photographs and a floor plan are enough for a quick quote, or we can arrange a site visit. If you have scruffy, dirty joint lines on a shop or showroom floor and chipped and spalling edges along forklift routes, we can help. Looking for mastic applicators who cover Cranbrook? We’ve been sealing commercial buildings since 2005, with CSCS-carded applicators.

Work in a smaller place like Cranbrook is normally one building at a time, so we gather photos and measurements first. Getting widths, depths and traffic details up front means one visit, not two.

We stand by our work: 12 months, guaranteed. That covers our preparation and application, and we come back if anything isn’t right.

The Mastic Doctor team standing beside their branded vans outside an office building
Place
Cranbrook (TN17, TN18)
Region
Kent
Cover
12 months on every job
Price
Fixed quote, scope in writing
Call
01277 525 020
Last updated
3 November 2026

When it isn’t the sealant

We seal joints; we don’t mend everything behind them. On its own, sealant can’t deal with:

  • Damaged or worn floor coatings and screeds
  • Wide or random cracking that suggests a structural issue
  • A floor that rocks at the joints, which needs a structural fix

If you are not sure, just call the office on 01277 525 020 or email drawings and photos and we will give you a straight answer before you book.

Surfaces we seal

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

Diagnose, treat, sign off

Inspect, seal, sign off: that’s the shape of every visit. 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. For a site in Cranbrook, we plan so the whole job is done in one go where possible. Photos with rough sizes let us arrive with everything needed.

  1. A floor survey records every joint, its edges and what crosses it.
  2. You receive a fixed quote showing products and phasing.
  3. Old fill and packed debris come out until both faces are sound.
  4. Dust is vacuumed out and primer applied where specified.
  5. Filler or sealant is placed to depth and finished flush.
  6. Zones reopen once cured and the work moves on.

Before we start on site

  • Confirm the product named in the specification
  • Send asbestos survey details if the building is pre-2000
  • Tell us what induction or permit system the site runs

Ask for a quote

If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price against exactly what is specified. For smaller jobs, photographs and a description will do.

Ask for a quote

Read more

Floor joint sealing around Cranbrook: what changes locally

Cranbrook is in the South East, one of the UK’s drier regions. Even so, yard and car park joints are only sealed when they’re dry and clean, and where de-icing salt is spread in winter, open joints let it in. Cranbrook has two named business or industrial parks inside a 3-mile radius. Sites like these are full of saw-cut floor joints, yard slabs and car park joints.

At places like Hawkhurst Station Business Park (2.5 miles south-west of Cranbrook), joints are sealed a section at a time so operations carry on. Hospital campuses such as Benenden Hospital (3.6 miles east of Cranbrook) grow in stages, leaving movement joints wherever new blocks meet old.

Cranbrook is about 12 miles south of Maidstone, in Kent. Commercial clients in Cranbrook can call on us for floor joints, as part of our coverage of Kent. Across Kent, 931 places are covered, including Cranbrook. Sites around Brighton have their own page, roughly 34 miles from Cranbrook.

Postcode districts covered here: TN17 and TN18 for floor joints. We cover commercial and managed buildings on High Street, Crane Lane and White Lion Yard. Sites close to Cranbrook are covered too, including Baker's Cross (1 mile east), Coursehorn (1 mile east), Swattenden (1 mile south), Hartley (1 mile south-west) and Gill's Green (3 miles south-west). Nearby towns on our patch include Maidstone (12 miles north), Ashford (15 miles east), Royal Tunbridge Wells (12 miles west), Tonbridge (13 miles north-west), Kings Hill (13 miles north-west) and Foley Park (13 miles north).

Landmarks near Cranbrook

Locally, jobs take us to sites close to The Crown Public House, Crane Valley and Cranbrook Church of England Primary School and the streets around them. A little further out are Sissinghurst Castle (2.5 miles north-east) and Benenden Hospital (3.6 miles east).

Map of Cranbrook © OpenStreetMap contributors

Different surfaces, different methods

Retail and showroom floors

Polished and coated concrete floors in shops and showrooms show every joint. We aim for a tidy, flush finish that suits the floor and confirm which colours the product comes in.

Construction joints

Construction joints, sometimes called day joints, mark where one pour ended and the next began. They can move more than saw cuts and that shapes the choice of filler or sealant.

Should maintenance staff do it?

Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we’ll confirm the paperwork you need with the quote.

Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

Signs you need floor joint sealing in Cranbrook

Concrete slabs shrink as they dry out, and saw-cut joints give that shrinkage a planned place to crack. As the panels contract, the joints widen so a filler put in early may separate along one side.

It’s worth sending us details if you spot any of the following:

  • Brittle joint filler breaking up
  • A rough ride across broken joints
  • Flexible sealant torn out by wheels
  • Dock area joints that have failed first

Parks like Hartley Dyke Business Centre, 1.2 miles south-west of Cranbrook, combine paved areas, car parks and building elevations, each with joints that move.

Questions to ask before you book

  • What level of public liability insurance do they hold?
  • How long is the guarantee, and what does it include?
  • Whether primer will be used where the manufacturer specifies it
  • Are they CHAS accredited or on Constructionline?

Choosing a commercial sealant contractor

Questions we are asked in Cranbrook

Do you cover business parks and estates near Cranbrook, such as Hartley Dyke Business Centre?

Yes. Our area takes in Cranbrook and its surroundings, with estates and business parks such as Hartley Dyke Business Centre included. A few photos and the unit address let us price the work.

Is a hospital such as Benenden Hospital somewhere you can work?

Yes. Healthcare sites are among the places we work. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

Do your applicators hold CSCS cards?

Yes. We use CSCS-carded applicators.

Does the weather affect the work?

It can, for external work. Sealant won’t bond properly to a wet or frosty joint, so we watch the forecast and rearrange outside work if we have to. Internal work is far less affected.

Is Cranbrook in your area?

Yes. Sites across Cranbrook are covered.

Can you work to our specification?

Yes. Include it with the drawings when you ask for a quote, and we will price the work to it.

What happens if old sealant might contain asbestos?

The duty to manage asbestos sits with the building’s dutyholder, so for older buildings we ask for the asbestos register first. If anything suspect turns up, we stop until it’s tested.

Building owners, agents and FMs in Cranbrook

Housing associations and managing agents often need work done across blocks and communal areas. Work can be phased so residents and staff keep access throughout, and each stage is agreed with your contact.

Building owners and managing agents use us on sealant work across single buildings or whole portfolios around Cranbrook. One quote can cover more than one site, which keeps the paperwork simple.

Accreditations

Trusted. Accredited. Insured.