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

Construction and new-build mastic in Cheriton, Kent

Our CSCS-carded applicators take on mastic packages for new-build and refurbishment projects in Cheriton and the surrounding area. Send photos or drawings for a fixed quote.

  • Snag items on joints that need redoing before handover
  • Inconsistent sealant finishes from plot to plot
  • Frame gaps too wide for sealant alone
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
Covering the South East & Scotland
CHAS accredited
£5m PL insurance

Construction mastic for businesses in Cheriton

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

General trades versus a specialist

For a quick touch-up, site staff may be fine, but anything bigger is another matter: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

Paperwork matters too. Many sites expect CSCS cards, RAMS and proof of insurance, and our CSCS-carded applicators are used to working under those rules.

Construction mastic for commercial buildings in Cheriton

Most of the packages we price run well beyond frames: external door and window perimeters, internal decorators’ caulk where specified, sanitary joints in bathrooms and washrooms, kitchen worktops and splashbacks, and snagging before handover. One contractor for all of it keeps the responsibility in one place and gives you a consistent finish across the job. We work on brick and block movement joints, internal decorators’ caulk and sanitary and kitchen joints, and the failures we’re asked to look at most are caulk cracking where joints are moving more than expected and perimeter gaps outside the sealant’s range. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Cheriton is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.

For a contractor on a smaller site near Cheriton, one mastic visit at the right stage saves return trips. Let us know the key stages and we will time the work so nothing waits on us.

Every job we finish is backed by a 12-month workmanship guarantee. If a joint we sealed fails because of how it was installed, we come back and put it right.

The Mastic Doctor team beside their liveried vans in front of an office building
Where
Cheriton (CT19, CT20, CT50)
Wider area
Kent
Guarantee
A 12-month guarantee
Price
A fixed quote before we start
Call
01277 525 020
Last updated
3 November 2026

Questions we are asked in Cheriton

Will you plan work around the academic year at somewhere like University Centre Folkestone?

Yes. We plan campus work around teaching, exams and residence turnarounds. Tell us which site documents you need, such as RAMS, our insurance certificate or CSCS details, and they’re confirmed with the quote.

Is a smaller place like Cheriton outside your area?

No. Small places get the same service as large ones. We cover Greater London and the counties of the South East. Where we can, we group nearby jobs to make the most of each trip.

Does weather affect external mastic work?

External sealant needs a dry joint and a temperature within the product’s range. Frosty or damp mornings can hold up external sealing so we usually switch to internal work when that happens.

Do you take on mastic snagging only?

Yes. Snag-only work is something we take on and damaged joints are redone properly.

Is the mastic package guaranteed?

It’s backed by our 12-month guarantee, covering how we sealed. Keeping other trades off finished joints prevents most problems.

How do we ask for a quote?

The quote form is the simplest route, though you can also speak to us on 01277 525 020 or email us. Photos, drawings or a joint schedule help us quote quickly.

Do you seal on top of existing sealant?

No. Sealing over old material is one of the classic causes of early joint failure, so everything comes out first.

Sites and facades in and around Cheriton

The sea is no more than about 1 mile from Cheriton. Coastal exposure means perimeter and cladding joints work harder than on an inland job, so joint design, primers and product choice deserve extra care. Cheriton sits in one of the drier corners of the country, the South East. That doesn’t stop wet spells, or frosty starts that leave panels too damp to seal, so the external programme keeps a little slack.

When a college such as Folkestone College, 1.1 miles east of Cheriton, builds or refurbishes, the mastic package typically has to fit around students and staff. Extensions at sites like Royal Victoria Hospital, 1.3 miles east of Cheriton, typically sit beside working departments, and the mastic follows strict access rules.

Cheriton is about 1 mile west of Folkestone, in Kent. Anywhere in CT19, it works the same way: send details, get a fixed quote, we seal, and the work is guaranteed. Cheriton is one of 931 places in Kent on our list. Our Brighton page has more on work in that area.

Commercial sites across CT19, CT20 and CT50 are covered. We cover commercial and managed buildings on Oaks Road, Firs Lane and Star Lane. Main routes into Cheriton include the M20. If your building is just outside Cheriton, we cover Sandgate (1 mile south), Folkestone (1 mile east), Peene (1 mile north-west), Newington (1 mile west) and Arpinge (1 mile north). Further afield, our area takes in Ashford (12 miles west), Canterbury (13 miles north), Dover (8 miles north-east), Deal (14 miles north-east), Hythe (3 miles south-west) and Tower Hamlets (7 miles east).

Near you in Cheriton

We work on buildings around The Folkestone Academy, Lower Leas Coastal Park and White Lion pub. For rail, the closest station is Folkestone West station, roughly 0.6 miles south-east. Well-known places in the area include Sandgate Castle (1 mile south) and Elham Valley Countryside Centre And Railway Museum (1.3 miles north-west). For a walk, there’s Sugar Loaf Hill.

Map of Cheriton © OpenStreetMap contributors

Why it’s worth doing now in Cheriton

It helps to bring the mastic subcontractor in before the package is urgent. Early involvement means gaps, products and access are sorted before the programme bites rather than at the snagging stage. Called in at the end, the same issues surface during handover. Sealant hardens, cracks and loses grip with age, UV and movement. Replacing it before it fails keeps water out.

The specified product makes a difference, as does the preparation each joint needs. Access, phasing and site rules also count.

Why appoint us

  • Fixed quotes based on photographs, drawings or a visit
  • Matching to RAL references, product permitting
  • Health and safety: CHAS accredited
  • One phone line for London, the South East and Scotland

See what affects the cost or how we’re accredited.

Different surfaces, different methods

Kitchens and utility areas

Commercial kitchens often need hygienic or food-safe sealants. We follow the specification and seal to a smooth, cleanable finish.

Bathrooms, en suites and washrooms

In bathrooms and washrooms, an anti-mould sanitary silicone goes around every fitting. Joints are cleaned, sealed and tooled neatly, and any bath is loaded with water first where that’s the agreed method.

How the quote is worked out

Sealant work doesn’t have a standard rate, since sites vary so much. What we look at:

  • Quantities, in metres or numbers
  • Whether old sealant has to be cut out first
  • Travel to remote or island sites
  • The size and state of each joint

There’s no price list, since every building and every scope is different. Call for a quote and we will price your job on its own details.

Details that help us quote

The more we know, the firmer the quote. Helpful details to send:

  • Anything awkward about access or site hours
  • Clear photographs of the problem areas
  • Whether the building will be occupied during the work
  • Whether an asbestos survey exists

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to call the office on 01277 525 020 or email drawings and photos with what you know.

Diagnose, treat, sign off

In a busy building, we agree a sequence with your contact so the disruption stays in one area at once. Each area is protected, prepared and sealed before the next one starts. If neighbouring businesses or buildings around Cheriton need work too, visits can be combined. Tell us your site hours and we’ll plan around them.

  1. Drawings, the sealant specification and your programme come to us for pricing.
  2. We return a fixed quote that ties the mastic package to your programme.
  3. Any site paperwork you need (RAMS, insurance certificate, CSCS details) is confirmed with the quote.
  4. Areas are sealed plot by plot or floor by floor as the trades hand them over.
  5. Joints are cleaned, primed where the maker requires it, backed and sealed to the specification.
  6. Before handover, snags are dealt with and the package is signed off under our 12-month guarantee.

Preparing the site

  • Confirm the product named in the specification
  • Tell us your opening times and when work is allowed
  • Move anything stored against the joints

Get a fixed quote

Photos, drawings or a schedule of the joints and a fixed quote comes back to you. Where a site visit makes more sense, we’ll arrange one.

Get a price

Read more

When to call us in Cheriton

Swapping the specified sealant for a cheaper general-purpose product is a common cause of failure. A sealant that isn’t right for the substrate or the movement will fail ahead of time. We use what’s specified, and any substitute goes to you for acceptance.

Site and facilities staff are often the first to spot these:

  • Frame gaps too wide for sealant alone
  • External joints sealed in damp or cold conditions that are now failing
  • Failed sealant in an existing building being refurbished
  • Missed perimeter joints on a new elevation

On a campus such as University Centre Folkestone (1.8 miles east of Cheriton), new teaching buildings and residences are usually built and refurbished around the academic year.

Comparing quotes

  • What the guarantee covers, and for how long
  • Whether primer will be used where the manufacturer specifies it
  • Whether their applicators hold CSCS cards
  • Their approach to joint depth and backing

Our contractor checklist

Accreditations

Trusted. Accredited. Insured.