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

Expansion joint sealing in Highstreet

Expansion and movement joint sealing in walls, decks and floors in Highstreet and across Kent. CHAS accredited and fully insured, with a 12-month guarantee.

  • Car park joints leaking onto vehicles below
  • Weathered movement joint sealant that no longer flexes
  • New sealant over old, now failing
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
CHAS accredited
Fully insured: £5m PL

Expansion joint sealing near Highstreet

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

Expansion joint sealing in Highstreet, done properly

For movement joints in Highstreet, photos and approximate lengths are the best start. Send them through our quote form, and we will arrange a site visit if needed, then send a fixed quote that names the sealant. You can also ring 01277 525 020 or use the quote form to talk the joints through. We work on podiums and floor movement joints, car park decks and ramps and cladding panel joints, and what we’re called in for most is torn sealant in brick or block movement joints and hardened, cracked sealant on exposed facades. One point of contact handles commercial sealant work in Highstreet from the first photos to the final walk-round, for single jobs and planned programmes alike.

Halls, schools and small commercial buildings near places like Highstreet have movement joints in brick, block and concrete too. They tend to be overlooked until something leaks or cracks.

The 12-month guarantee covers our workmanship: preparation, application and finish. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

The Mastic Doctor team standing beside their branded vans outside an office building
Location
Highstreet (ME13)
Region
Kent
Guarantee
12 months on every job
Price
A fixed quote before we start
Call
01277 525 020
Page updated
3 November 2026

From enquiry to sign-off

We follow your site rules from the start: sign-in, induction and whatever permit system the building uses. Once we’re cleared to begin, the joints are worked through in the order agreed with your site contact. For a building around Highstreet, tell us how to find it and who will meet us. Add it to your enquiry and we’ll build it into the plan.

  1. First the joints are inspected, widths measured and the type of failure noted.
  2. A fixed quote names the sealant we propose and its movement class.
  3. Phasing is agreed so decks, floors or entrances can stay in use where needed.
  4. The failed seal is cut out and both joint faces cleaned back to sound material.
  5. Backing rod or bond-breaker sets the depth, primer goes on where specified, and the sealant is applied and tooled.
  6. We check each joint with you, confirm the cure time and sign off under our 12-month guarantee.

Before we start on site

  • Point out parking and an unloading spot
  • Send any specification or drawings in advance
  • Tell us which areas need to stay in use

Quotes

A good quote starts with a clear picture: the joints involved, quantities, access and the product called for. Send what you have, and we will arrange a site visit if anything is unclear.

Get a price

Read more

How the quote is worked out

The price varies from site to site. It mainly depends on:

  • Any access equipment needed
  • Induction, permit and paperwork requirements
  • Location, for remote and island sites
  • The size and state of each joint

Access can matter as much as the joints themselves: easy-to-reach joints are quicker than those that need equipment to get to. Tell us how the joints are reached and call for a quote.

What we need to price the job

It doesn’t need to be a full survey. These details are enough to start:

  • Anything awkward about access or site hours
  • Clear photos of the problem areas
  • Rough lengths or quantities, or drawings if you have them
  • Whether an asbestos survey exists

Let us know the site, the scope and your timescale, and a fixed quote will follow. To get it moving, give us a call on 01277 525 020 or send photos by email.

Do you need expansion joint sealing in Highstreet?

On trafficked joints, wheels and salts do the damage. Wheel loads stress the sealant and the arrises, while de-icing salts and grit attack the seal. A sealant that isn’t trafficable won’t last there.

Most enquiries start with one or more of the following:

  • Expansion joints split through the centre of the bead
  • Water getting into the wall through a failed joint
  • Debris jammed in movement joints
  • Sealant pulling off the joint face

For estates staff at a university like University of Kent (3.9 miles south-east of Highstreet), building and paving joints are part of the planned maintenance list.

Before you book anyone

  • The terms of the workmanship guarantee
  • What site paperwork they can supply
  • Who will actually carry out the work
  • How they’ll work around occupants

Our contractor checklist

FAQs: Highstreet

Is a smaller place like Highstreet outside your area?

No. Small places get the same service as large ones. We work across Greater London and the South East. Good photos up front let us bring everything on the first visit.

Is a hospital such as Whitstable and Tankerton Hospital somewhere you can work?

Yes, healthcare and care buildings are part of our work. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

Are you insured?

Yes. We are fully insured, and the certificate can go with your quote.

What will the job cost?

Each job is quoted on its own details. For yours, call 01277 525 020 or use the quote form with a description of the work.

Do you take on multi-site work?

Yes. Several buildings can share a single quote, with one point of contact across South East England, Greater London and Scotland.

Which sealant will you use?

The specification comes first, if there is one. If there isn’t one, it comes down to the joint: its movement, its surfaces and what it has to cope with.

Do you seal on top of existing sealant?

No. Failed sealant is removed and the faces cleaned back to sound, dry material first, since fresh sealant will not bond reliably to aged material.

General trades versus a specialist

Some joints are best left to specialists: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.

There’s also the paperwork. Many sites expect CSCS cards, RAMS and proof of insurance, and our CSCS-carded applicators are used to working under those rules.

Floors, slabs and movement joints in Highstreet

Highstreet sits close to the coast, within about 2 miles. Near the sea, external slabs, ramps and decks see salt air and driven rain as well as their usual loads, so a failed joint lets more in and the edges break up sooner. The 3 miles around Highstreet take in at least three named trading estates, business parks or retail parks. Sites like these are full of saw-cut floor joints, yard slabs and car park joints.

A healthcare site such as Whitstable and Tankerton Hospital (to the north-east of Highstreet) depends on car parks, ramps and service yards whose joints take traffic all day. For buildings at a park such as Waterham Business Park, which lies west of Highstreet, brick and panel movement joints are easy to forget until one leaks.

Highstreet is about 3 miles south-west of Whitstable, in Kent. Our applicators travel to Highstreet for work on movement joints. Our Kent coverage takes in 931 places, from busy centres to rural villages. Sites around London have their own page, roughly 48 miles from Highstreet.

Business premises anywhere in ME13 are within our area for movement joints. Buildings on Thanet Way and Highstreet Road are within our area for movement joints. Nearby places we also cover include Waterham (1 mile west), Dargate (1 mile south-west), Seasalter (1 mile north), Hernhill (2 miles south-west) and Slutshole (2 miles south-west) for movement joints. Nearby towns on our patch include Ashford (14 miles south), Canterbury (5 miles south-east), Sittingbourne (11 miles west), Whitstable (3 miles north-east), Faversham (4 miles west) and Herne Bay (7 miles north-east).

Around Highstreet

Recent enquiries here include premises near Foxes Cross Bottom, among other places. The nearest railway station is Whitstable station, roughly 3 miles north-east of the centre. Well-known places in the area include Whitstable and Tankerton Hospital (3.6 miles north-east) and Tankerton Castle (3.3 miles north-east). Open spaces near Highstreet include Blean Woods RSPB Reserve.

Map of Highstreet © OpenStreetMap contributors

Why deal with it now?

Spot repairs can be useful on a tight budget. The remaining sealant is often close to failing too. Where it helps, we quote both options. Converted and older buildings near places like Highstreet tend to move, and aged sealant cracks. The right product, sized to the joint, copes much better.

The specified product makes a difference, and so does the preparation, such as cutting out, priming or new backing rod. Access, phasing and site rules also count.

Why appoint us

  • Fully insured, including public liability cover
  • CHAS accredited
  • CSCS-carded applicators
  • Colours confirmed for the specified product

Take a look at our cost guide or how we’re accredited.

What we can’t put right

Part of a good diagnosis is knowing where sealant stops. You will hear from us if the cause turns out to be any of the following:

  • Joints too narrow for the movement, which need redesigning by the engineer
  • 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

If in doubt, phone 01277 525 020 or email the details over and we will say what we think before you book.

Where we work in Highstreet

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

Trusted. Accredited. Insured.