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

Commercial sealant contractors in Cheriton, Kent

We carry out sealant work for offices, shops, hotels and other commercial buildings in Cheriton and the surrounding area. Send details for a fixed quote.

  • Damp patches where an external joint has failed
  • Layers of sealant, all of them failing
  • Shrunken sealant along kitchen worktops and splashbacks
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
Constructionline member
Fully insured: £5m PL

Commercial sealant contractors across Cheriton

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

Sealant applicators in Cheriton

Some sealants used before 2000 can contain asbestos, so older stock needs a check first. Before anything is cut out, we ask for the asbestos register or survey, since managing asbestos is the dutyholder’s responsibility. Anything suspect is left alone until it has been tested (removing asbestos-containing materials isn’t something we do). We work on floor and threshold joints, window and door perimeters and washrooms and tea points, and the failures we’re asked to look at most are water staining near frames, panels or ceilings and mouldy silicone around WCs, urinals and vanity tops. One point of contact handles commercial sealant work in Cheriton from the first photographs to the final walk-round, whether it’s one building or several.

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

For a business in Cheriton, it normally makes sense to put the sealant work into one visit: shopfront, washroom, kitchen and any external joints done together. That keeps travel and disruption down.

The 12-month guarantee is for workmanship rather than wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we spell out the cover before we begin.

Place
Cheriton (CT19, CT20, CT50)
Region
Kent
Cover
12 months on every job
Price
Quoted before any work starts
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

What happens if it’s left?

Reactive resealing, a leak at a time, tends to cost more overall than a plan. Planning the work across a year or a portfolio means fewer separate visits and a predictable spend. We’ll suggest an order, worst sealant joints first. A failed joint lets water into a building whatever its size. Early resealing avoids the damage that follows a leak.

Access often affects the price as much as the sealing: joints within easy reach take less time than ones that need access equipment. Mention the access as part of your enquiry.

Why appoint us

  • Work carried out by CSCS-carded applicators
  • Fixed quotes based on photos, drawings or a visit
  • Colours confirmed for the specified product
  • A Constructionline member, so easy to vet

See our cost guide or how we’re accredited.

FAQs: Cheriton

Does the sea air around Cheriton change the choice of sealant?

It can, yes: buildings near the sea take more wind-driven rain, and salt in the air nearer the shore. Product choice and preparation matter more, and sea-facing elevations are worth inspecting more often.

Is Cheriton off your patch?

No. Small places get the same service as large ones. London and every South East county are within our area. We plan jobs in smaller places so return trips are kept to a minimum.

Can areas stay open during the work?

We phase the work so parts of the building stay open. Tell us your site hours and access windows and we’ll plan around them.

When is resealing likely to be due?

Nobody can honestly give a figure in years, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular inspection is the best way to catch problems early.

How many days will you need on site?

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

Which site documents can you send us?

Send your site requirements with the enquiry, and the paperwork is confirmed with the quote. From you, we will need the asbestos information for older buildings and any site rules.

Do you hold CHAS accreditation?

Yes. Mastic Doctor is CHAS accredited and a Constructionline member.

What the job involves on each surface

Window and door perimeters

The perimeter joint between a frame and the structure keeps rain out of the reveal. Failed perimeters are cut out and cleaned, backing goes into deeper gaps, and the joint is resealed with a low-modulus neutral-cure silicone or another suitable product.

Facade and cladding joints

Facade joints move every day as panels warm and cool. The product has to suit the movement, and the depth has to be controlled with backing. We confirm the access in place before we quote.

Should maintenance staff do it?

There’s also the paperwork. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and our CSCS-carded applicators are used to working under those rules.

Redoing a failed joint normally costs more than getting it right at the outset, since all of it has to come out and the faces be cleaned back again. That’s why many clients bring in a specialist from the beginning.

What we are called out for in Cheriton

The wrong sealant in the wrong place is a common cause of early failure. Decorators’ caulk on a joint that moves, acetoxy silicone on stone or metal, or a stiff sealant on a facade all let go sooner than they should. Guidance such as BS 6213 exists to steer sealant selection for exactly this reason.

What tends to prompt an enquiry:

  • Layers of sealant, all of them failing
  • Frame mastic that has hardened and come away from the wall
  • Messy, uneven beads from earlier work that let the building down
  • Hardened, chalky sealant on south-facing or exposed elevations

In hotels such as The Royal Norfolk Hotel, 1 mile to the south of Cheriton, refurbishments typically mean bathroom, bar and reception joints where a matched sealant colour has to sit with the finishes.

Comparing quotes

  • Their plan for phasing and protecting the area
  • Proof of insurance
  • How the existing material will be dealt with
  • Whether primer will be used where the manufacturer specifies it

How to choose a sealant contractor

How a job runs

Tell us your site hours and access windows and we’ll plan around them. On the day, the work area is kept contained and tidy, and we check in with your contact before moving on to each new area. Several jobs near Cheriton can be grouped on one trip. Tell us your site hours and we’ll plan around them.

  1. Send details through our quote form, or ask for a site visit.
  2. The cause is diagnosed and the scope priced as a fixed quote.
  3. Where parts of the building must stay open, the work is phased.
  4. Old sealant is cut out completely, never sealed over.
  5. A suitable product for each joint goes in at the right depth and is tooled.
  6. We check the work with you, and the 12-month guarantee starts.

Preparing the site

  • Explain the parking and delivery arrangements
  • For older buildings, check the asbestos register before work
  • Point out any areas we must not close

Quotes

Specifications, drawings and tender packages are welcome with any enquiry, and we’ll price against exactly what is specified. For smaller jobs, photos and a description will do.

Ask for a quote

Related advice

Commercial sealant contractors around Cheriton: what changes locally

The sea is no more than about 1 mile from Cheriton. Buildings near the sea put their external joints through more driven rain, with salt air nearer the beach. Where a frontage needs a particular colour, the product still has to suit that exposure. Cheriton has a good number of hotels close by, all within 2 miles. In hotels, sealant shows everywhere, from bathroom joints to reception counters, so colour and a clean finish matter.

For a retailer at a site such as Golden Valley Shopping Centre (less than half a mile south of Cheriton), the joints clients see are as much part of the fit-out as the shelving. For premises near Folkestone West station, which lies south-east of Cheriton, footfall is part of the plan: work is phased so shops and offices keep trading.

Cheriton is about 1 mile west of Folkestone, in Kent. Across the CT19 postcode area, it works the same way: send details, get a fixed quote, we seal, and the work is guaranteed. 931 places across Kent fall within our area, Cheriton among them. We also cover Brighton, around 58 miles from Cheriton.

If you need commercial sealant contractors in CT19, CT20 and CT50, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. Streets here include Oaks Road, Firs Lane and Star Lane, and sites on any of them can send details for a fixed quote. Cheriton sits on or close to the M20, which helps when planning parking and deliveries for the job. 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). A short drive away, we cover 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

Around Cheriton, our work takes us to commercial buildings near The Folkestone Academy, Lower Leas Coastal Park and White Lion pub and the streets around them. For rail, the closest station is Folkestone West station, roughly 0.6 miles south-east. Nearby you will also find Sandgate Castle (1 mile south) and Elham Valley Countryside Centre And Railway Museum (1.3 miles north-west). Not far away are Sugar Loaf Hill.

Map of Cheriton © OpenStreetMap contributors

Maintenance after handover

Your facilities or cleaning team can help the joints last. Pass these on to them:

  • Check joints after other trades have worked nearby
  • Brief cleaning contractors to avoid scourers and blades on sealant
  • Keep a record of which joints were resealed and when
  • Make sure contractors see the asbestos survey before cutting out old mastic

Brief your cleaning team on the joints that have been resealed. Abrasive pads, scrapers and some strong chemicals damage sealant surfaces; a mild cleaner is all most joints need.

A failed external joint lets water in every time it rains. It can run into cavities, insulation and internal finishes long before anyone sees a stain. Catching it at the sealant stage avoids the bigger repair.

Accreditations

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