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

Expansion and movement joint sealing in Herne, Kent

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

  • Joints where the bead has lost adhesion
  • Damp inside where a wall movement joint has failed
  • Previous reseals laid over old sealant
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
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
12-month guarantee on our workmanship.
Covering the South East & Scotland
Constructionline member
Fully insured: £5m PL

Expansion joint sealing for businesses in Herne

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

Expansion joint sealing in Herne, done properly

Brickwork and blockwork walls have vertical movement joints at intervals, and they’re easy to miss until the sealant fails. Once the seal fails, rain reaches the cavity and the joint can no longer close. The old seal comes out, backing goes in and a sealant with the right movement class is applied, primed where the manufacturer specifies. We work on blockwork control joints, car park decks and ramps and precast concrete panel joints, and what we are called in for most is rain penetration at brick or block movement joints and arrises breaking up along floor joints. A single leaking joint is often how a building in Herne first comes to us: we look at the rest while we are there and tell you what we find.

Small units near places like Herne 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.

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

Mastic Doctor team members lined up next to their branded vans outside an office building
Location
Herne (CT6)
Region
Kent
Cover
A 12-month guarantee
Quotes
Fixed quote, scope in writing
Telephone
01277 525 020
Page updated
3 November 2026

Why deal with it now?

Re-sealing with the same product that failed is often a false economy. If the joint is too narrow or the product wrong for the movement, it needs a different approach. For buildings in places like Herne, one well-planned visit beats several small ones, so it’s worth dealing with every failing joint at once.

The work involved drives the cost: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a quote and we will explain how it’s made up.

What you get with us

  • Failed material removed, not covered up
  • RAL and finish matching where the product range allows
  • Health and safety: CHAS accredited
  • Sealing commercial buildings since 2005

See how commercial sealant jobs are priced or our accreditations.

Warehouse floors and decks around Herne

Herne lies within about 2 miles of the sea. Coastal yards and decks give their joints salt and wet weather to deal with, not just wheels, and edges left open tend to break up faster. Herne is in the South East, one of the UK’s drier regions. Outside joints in yards and car parks still have to be dry before sealing, and gritting in cold spells finds its way into open joints.

For a school such as Herne Church of England Infant School, playground and building joints can be done in the holidays. Hospitals like Queen Victoria Memorial Hospital, 1.2 miles north of Herne, have multi-storey or surface car parks whose joints carry vehicles round the clock. Phasing is what makes joint work possible on busy sites such as Chislet Business Park (2.4 miles south-east of Herne): one bay, aisle or car park row at a time.

Herne is about 1 mile south of Herne Bay, in Kent. We cover commercial sites throughout Herne, whether it’s a single job or part of a planned programme. Across Kent, 931 places are covered, including Herne. For work in that direction, see our London page (54 miles or so).

If you need expansion joint sealing in CT6, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. We cover commercial and managed buildings on St Martin's View, Ridley Close and Herne Street. Just outside Herne, we also work in Hunters Forstal (1 mile north-east), Eddington (1 mile north-west), Herne Common (1 mile south-west), Bullockstone (1 mile west) and Broomfield (1 mile north-east). A short drive away, we cover Canterbury (5 miles south-west), Margate (11 miles east), Ramsgate (12 miles east), Broadstairs (13 miles east), Whitstable (4 miles west) and Deal (15 miles south-east).

Landmarks near Herne

We work on buildings around Curtis Wood and Herne Bay High School. For rail, the closest station is Herne Bay station, roughly 1.2 miles north-west of the centre. Well-known places in the area include Whitstable and Tankerton Hospital (3.7 miles west) and Tankerton Castle (4.4 miles west). For a walk, there’s West Blean and Thornden Woods.

Map of Herne © OpenStreetMap contributors

Surface by surface

Concrete and precast panel joints

Joints between precast panels open and close with temperature and loading. We use a sealant classed for the movement, laid over backing to depth.

Car park decks and ramps

Failed deck joints often show as leaks on the level below. The old seal comes out, the edges are prepared and the joint resealed.

Quoting for work in Herne

Sealant work doesn’t have a standard rate, because every site is different. What we take into account:

  • Whether old sealant has to be cut out first
  • Location, for remote and island sites
  • Joint width, depth and condition
  • Specialist products, such as fire-rated or hygienic sealants

Pricing movement joints depends on how many there are, their condition and the access, and any specification that applies. Ask us for a fixed quote.

Details that help us quote

To price the job accurately, we need a clear picture of the site. Send us:

  • Any dates the work must fit around
  • The site address and postcode
  • The product your specification calls for
  • Rough lengths or quantities, or drawings if you have them

Every quote starts with the facts: the joints involved, quantities, access and the product called for. Share whatever details you have and we will fill any gaps with a visit.

Herne: questions and answers

Our building in Herne is near the coast: does that change the sealant?

It can. Coastal exposure works external joints harder than inland weather. We check the specified product suits the exposure and pay close attention to preparation.

Is Herne too far out for you?

Not at all. Herne is within our area. London and every South East county are within our area. Good photographs up front let us bring everything on the first visit.

When can you be on site?

We are in the office from 8am until 5pm, Monday to Friday. Let us know your site hours and access windows, and the work will be planned around them.

Can you work on car park ramps and decks?

Yes, we do. These joints take wheels, salt and water, so product choice matters and broken edges are flagged before sealing.

Will you come and look before quoting?

Many jobs can be quoted from photos, drawings or a joint schedule. If the job needs a look first, we’ll arrange a visit.

How long before the joints can be used?

We will confirm how long the chosen product needs to cure, and sign any area that should be left alone.

Does the weather affect joint sealing?

A wet joint can’t be sealed properly so we’d rather rearrange than seal in the rain. We agree a revised date with you.

When something else is needed

We check first that sealant really is the fix. It won’t put right:

  • Damaged metal nosings or cover plates over a joint
  • Failed waterproofing membranes on podiums, roofs or decks (a waterproofing specialist’s job)
  • Crumbling edges that would give a new bead nothing sound to grip

Not sure which it is? You can call the office on 01277 525 020 or send details through our quote form and we will tell you honestly.

Surfaces we seal

  • Brickwork movement joints
  • Car park decks and ramps
  • Cladding panel joints
  • Podiums and floor movement joints
  • Precast concrete panel joints
  • Blockwork control joints

Commercial clients in Herne

Building owners and managing agents use us on sealant work across single buildings or whole portfolios. Several sites can go on one quote, which keeps the paperwork simple.

FMs need a contractor who is easy to get on site. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.

Diagnose, treat, sign off

Site rules come first: sign-in, induction and whatever permit system the building uses. Once we are cleared to begin, the joints are worked through in the order agreed with your site contact, and each area is checked before we leave it. Work in places the size of Herne is planned as a single visit where we can. Clear photographs and measurements help us bring the right products.

  1. Photos, joint lengths and drawings come to us, or we visit.
  2. We compare each joint’s width with the movement and the sealant’s capability.
  3. Every joint is cleared of the failed seal and any grit packed into it.
  4. Edges are checked, and we tell you if any need repairing before sealing.
  5. The right sealant goes in at the right depth, bonded to the two sides only.
  6. Areas reopen once cured, and the work carries our 12-month guarantee.

Before we start on site

  • Have the specification and drawings to hand
  • Explain the parking and delivery arrangements
  • Share the asbestos register for older buildings

Get a fixed 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 will arrange a site visit.

Ask for a quote

Advice

Accreditations

Trusted. Accredited. Insured.