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

Facade and window perimeter sealing in Preston, Kent

Looking for facade sealing in Preston? Send us the details for a fixed quote, backed by a 12-month guarantee on the work.

  • Old perimeter mastic that has dried out
  • Leaks at window and door perimeters
  • Previous reseals run over old sealant
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
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Facade sealing in Preston

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

How we handle facade sealing in Preston

External sealing depends on the weather more than most trades. The sealant needs a dry joint and temperatures inside the maker’s limits, so frosty or damp mornings can hold work back. We build that into the programme and tell you if the forecast changes the plan. We work on coping and flashing joints, stone and brick facade joints and shopfront frames, and the usual reasons a site gets in touch are patch repairs that keep failing and damp patches beside frames after rain. Whoever orders the work in Preston, the brief is usually the same: a clear scope, tidy work and joints that don’t fail again.

On a small site around Preston, the mastic is best done in the fewest visits we can manage. Tell us when scaffold comes down and when decoration finishes, and we’ll plan around those stages.

Our workmanship is guaranteed for 12 months, wherever the site is. If our installation lets you down in that time, we return and fix it.

Mastic Doctor team members lined up next to their branded vans outside an office building
Location
Preston (ME13)
Wider area
Kent
Guarantee
12 months on every job
Quotes
Fixed quote, scope in writing
Phone
01277 525 020
Page updated
3 November 2026

Building owners, agents and FMs in Preston

CHAS accredited and a Constructionline member, we are straightforward to vet for your supplier list. Our insurance certificate can be sent along with the quote.

Whether you’re a managing agent, a property factor or an owner’s representative: send the details, accept a fixed quote, and we carry out and guarantee the work. We can agree access arrangements and keyholder contacts beforehand.

Contractors’ notes for Preston

Preston is within about 3 miles of the coast. Coastal exposure means perimeter and cladding joints work harder than on an inland job, so we check the specified product suits the exposure before the first bead. At about 45 miles from central London, Preston is within reach of the capital. Towns within reach of London tend to keep building, from flats to offices and schools, which keeps mastic packages in demand.

With historic properties like Belmont House and Gardens (to the south-west of Preston) in the area, refurbishment work often meets old masonry that needs compatible sealants. For contractors at a school such as The Abbey School, sealing has to be finished before term starts. Hotels like Railway Hotel, less than half a mile to the north-west of Preston, rarely close for long, so refurbishment mastic is phased floor by floor.

Preston is about 7 miles south-west of Whitstable, in Kent. Any commercial site in Preston is covered, for single jobs and planned programmes alike. 931 places across Kent fall within our area, including Preston. London is covered too, around 45 miles from Preston.

If you need facade sealing in ME13, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. Streets here include Back Lane, Quay Lane and Park Road, and sites on any of them can send details for a fixed quote. Preston sits on or close to the A2 and A251. If your building is just outside Preston, we cover Faversham (1 mile north-west), The Brents (1 mile north), Davington (1 mile north-west), Ospringe (1 mile west) and Whitehill (1 mile south-west). A short drive away, we cover Ashford (12 miles south), Canterbury (8 miles east), Sittingbourne (7 miles west), Whitstable (7 miles north-east), Herne Bay (11 miles east) and Minster (8 miles north-west).

Landmarks near Preston

We work on buildings around Ethelbert Road Primary School, Oare Meadow and The Elephant pub. There’s a railway station in Preston itself: Faversham station. Nearby you’ll also find Newnham Castle (4.3 miles south-west).

Map of Preston © OpenStreetMap contributors

Preston: questions and answers

Is Preston too far out for you?

Not at all: smaller places are covered as well as towns. We cover Greater London and the counties of the South East. Send photos and a list of what needs doing, and we’ll plan the job to need as few trips as possible.

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

It can. Wind-driven rain and, closer to the shore, salt air are harder on external joints. We check the specified product suits the exposure and pay close attention to preparation.

When can the area be used after sealing?

We’ll confirm how long the chosen product needs to cure.

Do you seal on top of existing sealant?

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

How many days will you need on site?

The duration is planned around your programme and the access we are given. You will have an expected duration with the quote.

What do you charge?

We don’t publish prices, because every site is different. With photos or drawings, we can give you a fixed quote.

What type of sealant goes on window perimeters?

It depends on the joint, the substrate and any specification. BS EN 15651 Parts 1 and 2 cover facade and glazing sealants, and specifications often name them, and we work to what is specified.

From enquiry to sign-off

Diagnose, treat, sign off: every visit follows that pattern. We inspect the joints and confirm what’s in scope, then we prepare and seal each joint with the specified product, and we finish with a walk round so the work can be signed off. For a job in Preston, the main thing is a clear picture of the work, so send photographs of each area. You’ll then get a fixed price for the work.

  1. Photos, drawings or a visit tell us about the joints and the access.
  2. Product choice follows the joint’s movement and substrate.
  3. The existing bead comes out in full and both faces cleaned back.
  4. Primer goes on where the product data asks for it.
  5. Backing rod is fitted and the new sealant gunned in and tooled.
  6. The finished joints are checked with you.

Preparing the site

  • Move anything stored against the joints
  • Let us know about inductions and permits
  • Explain the parking and delivery arrangements

Getting 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.

Get a quick quote

Read more

Leave it or put it right?

A few metres of new sealant compare well with replacing ceilings, linings or damaged stock. Leaks travel along the structure. Small buildings around Preston suffer from failed joints as much as large ones. Early resealing avoids the damage that follows a leak.

The product called for affects the cost, and so does the preparation, from cutting out to priming and backing rod. Access, phasing and site rules also count.

Why appoint us

  • Constructionline member for supplier checks
  • Fully insured, including public liability cover
  • Clear, fixed quotes
  • Products installed to the manufacturer’s instructions

See our cost guide or our accreditations and insurance.

General trades versus a specialist

What you see is the finished bead, but most of the work is hidden. Correct depth, the right primer and a sealant matched to the movement are where general trades tend to cut corners.

Putting right a botched joint often costs more than sealing it well at the start, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.

What sealant work can’t fix

We check first that sealant really is the fix. It isn’t the answer for:

  • Providing access systems for the work
  • Joints too narrow for the movement they take, which need redesign
  • Cracked or spalling substrates that need repair before sealing

If in doubt, call 01277 525 020 or send details through our quote form and we’ll say what we think before you book.

Surfaces we seal

  • Perimeter joints where frames meet the structure
  • Coping and flashing joints
  • Window and door perimeters
  • Stone and brick facade joints
  • Cladding panel joints
  • Shopfront frames

How the quote is worked out

There’s no standard rate for sealant work, because every site is different. What we take into account:

  • The product specified
  • Backing rod, priming and other preparation
  • Induction, permit and paperwork requirements
  • Distance, for remote addresses

Cost follows what’s involved: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a fixed quote.

What to include in your enquiry

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

  • How the joints are reached, and at what height
  • Where the site is, with the postcode
  • Whether the building will be occupied during the work
  • The asbestos register, for older buildings

We quote a fixed sum against the scope you give us, so the cost is agreed before work starts. To ask for one, give us a call on 01277 525 020 or send photos by email.

Accreditations

Trusted. Accredited. Insured.