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

Mastic contractors in Guston

Planning work on a mastic package in Guston? We look at it, seal it with the right product and hand it over with a 12-month guarantee.

  • Cracks opening in caulked internal joints
  • Missed perimeter joints on a new elevation
  • A mastic package split between trades with no clear owner
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
Constructionline member
£5m PL insurance

Construction mastic near Guston

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

Construction mastic in Guston

A typical mastic package covers more than window perimeters: external door and window perimeters, internal decorators’ caulk where specified, sanitary joints in bathrooms and washrooms, kitchen worktops and splashbacks, and snagging before handover. Splitting those between trades often leaves gaps in responsibility, and one applicator team gives a consistent finish. We work on sanitary and kitchen joints, cladding and panel joints and brick and block movement joints, and the failures we’re asked to look at most are a long mastic snag list close to completion and window and door perimeters that won’t pass inspection. A single leaking joint is often how a building in Guston first comes to us: we look at the rest while we are there and tell you what we find.

Construction in and around smaller places such as Guston is often barn conversions, small groups of houses or extensions to halls and schools. Perimeters, facade joints and internal sealant all need doing properly, however small the scheme.

Work we carry out comes with a 12-month guarantee. Should something we installed fail, call the office on 01277 525 020 or email the details over and we’ll come back to it.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Guston (CT15)
Region
Kent
Guarantee
A 12-month guarantee
Price
A fixed quote before we start
Phone
01277 525 020
Page updated
3 November 2026

How the quote is worked out

These are the things that shape the price:

  • Induction, permit and paperwork requirements
  • Which sealant the job calls for
  • The size and state of each joint
  • How accessible the joints are

We don’t publish prices, because the scope varies so much from one building to the next. For a fixed figure, call for a quote.

What to include in your enquiry

There’s no need for a formal survey. These details are enough to start:

  • A wide shot and a close-up of the area
  • Asbestos survey details if the building is older
  • The site address and postcode
  • Drawings or a marked-up plan, if available

If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price the work to it. For smaller jobs, photos and a description will do.

FAQs: Guston

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

Yes, hospitals are one of the sectors we cover. Each area is agreed with the ward or department and the estates team in advance.

Could you schedule work at a campus like East Kent College for the vacation?

Yes. Education sites typically want the work in vacations or in phases during term, and we plan to suit. We are CHAS accredited and a Constructionline member, and paperwork such as RAMS is confirmed with the quote.

Will you stick to the specified products?

We work to the specification and the manufacturer’s installation guidance. Preparation, backing and depth follow the product guidance.

Will you quote for a small job?

Single areas, one-off repairs and whole buildings are all quoted the same way: details, then a fixed price, then sealing, then a 12-month guarantee.

Can you send site paperwork?

Each site asks for different documents, so tell us what you need and we’ll confirm it when we quote.

Can you come in just for snagging?

Yes. We clear snags by redoing joints rather than patching them to suit the programme.

What’s the quickest route to a quote?

There are four steps: send details, get a quote, we seal, guaranteed. Step one needs little more than photos and a postcode.

Building and refurbishing in Guston

Guston sits close to the coast, within about 2 miles. Facades and window perimeters on coastal schemes take more wind-driven rain, and salt air nearer the shore, so joint design, primers and product choice deserve extra care. Guston is about 66 miles from central London. Construction around the commuter belt mixes station-side flats with refurbished offices and units, which keeps mastic packages in demand.

When a college such as East Kent College, 1.8 miles to the south of Guston, builds or refurbishes, the mastic package normally has to fit around students and staff. When a school such as Duke of York's Royal Military School is extended or refurbished, the mastic package is often squeezed into the holidays. Hospital estates such as Buckland Hospital, 2.1 miles to the south-west of Guston, tend to grow and change in phases, often next to occupied wards, so facade and perimeter sealing has to fit the estates team’s plan.

Guston is about 2 miles north-east of Dover, in Kent. Looking for construction mastic in Guston? We can help. Guston is one of 931 places in Kent on our list. We also cover London, around 66 miles from Guston.

If you need construction mastic in CT15, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. If your site is on The Street, Chance Meadow and The Lane or close by, send details and we’ll quote for mastic packages. We also cover East Langdon (1 mile north-east), Church Whitfield (1 mile north-west), West Cliffe (1 mile east), Martin Mill (2 miles north-east) and Charlton-in-Dover (2 miles south-west) for mastic packages. Bigger towns within reach include Canterbury (14 miles north-west), Folkestone (8 miles south-west), Ramsgate (13 miles north), Broadstairs (15 miles north), Deal (5 miles north-east) and Hythe (12 miles south-west).

Around Guston

Recent enquiries here include premises near Connaught Park, St Edmund's Catholic School and Swingate Inn and the streets around them. The closest station to Guston is Martin Mill station, about 1.6 miles north-east of the centre. Well-known places in the area include Royal Victoria Hospital (1.9 miles south) and Dover Castle (1.8 miles south). Open spaces near Guston include Dover Western Heights.

Map of Guston © OpenStreetMap contributors

Looking after the joints

To get the most from the new sealant:

  • Protect sealed areas from following trades
  • Keep scrapers and abrasive pads off new beads
  • Release areas for mastic once other trades have finished in them
  • Note which sealant went where at handover

Once an area is sealed, protect it from following trades. Fresh sealant needs its cure time before it’s cleaned, painted near or knocked; we confirm the time for each product.

Sanitary joints that fail early become defects soon after occupation. Leaks behind showers and basins damage finishes and floors. Getting the product and preparation right first time avoids that.

Leave it or put it right?

It helps to bring the mastic subcontractor in before the package is urgent. We can check joint widths, flag frames with gaps that won’t seal and confirm products against the specification. Called in at the end, the same issues surface during handover. Older rural buildings around Guston move with the seasons, and rigid or tired sealant can’t keep up. A sealant with the right movement capability, correctly sized, lasts far better.

The product called for affects the cost, as does the preparation each joint needs, such as cutting out, priming or new backing rod. Access, phasing and site rules also count.

Why us?

  • Specification-led, product-correct work
  • Work carried out by CSCS-carded applicators
  • Health and safety: CHAS accredited
  • Standard and matched colours in many product ranges

Take a look at how commercial sealant jobs are priced or our accreditations and insurance.

When something else is needed

Honesty saves time and money. New sealant won’t cure:

  • Joint design decisions that belong to the architect or engineer
  • Rework caused by others damaging completed areas
  • Frames fitted out of tolerance

Not sure which it is? You can phone 01277 525 020 or send photos by email and we will tell you honestly before you book.

What we seal

  • Brick and block movement joints
  • Window and door perimeters
  • Internal decorators’ caulk
  • Floor and skirting junctions
  • Cladding and panel joints
  • Sanitary and kitchen joints

Site staff or a sealant specialist?

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.

Site maintenance staff can often handle a short internal joint. Where it goes wrong is preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

From enquiry to sign-off

Inspect, seal, sign off: that’s the shape of every visit. First comes an inspection and agreement on scope, then we prepare and seal each joint with the specified product, and the job ends with a walk round and sign-off. If others near Guston need work, visits can be combined, which keeps travel down. A fixed quote is given before anything starts.

  1. We start with the drawings, specification and programme.
  2. We take off quantities and return a fixed quote.
  3. The sequence is agreed with the site manager.
  4. Plots or floors are sealed as they’re handed over.
  5. Every joint is cleaned, set to depth and sealed with the specified product.
  6. After snagging, the work is handed over under our 12-month guarantee.

What we need from you

  • Tell us which areas need to stay in use
  • Have the specification and drawings to hand
  • Share the asbestos register for older buildings

Ask for a 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’ll arrange a site visit.

Ask for a quote

Related advice

Accreditations

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