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

Westwell facade sealing

Looking for facade sealing in Westwell? It’s simple: send details, get a quote, we seal, guaranteed.

  • Leaks at window and door perimeters
  • New sealant peeling off old mastic
  • Cold air coming in at window perimeters
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
Constructionline member
Fully insured: £5m PL

Facade sealing across Westwell

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

Questions about Westwell

Can you work at a site such as Eurogate Business Park, by Westwell?

Yes. Our area takes in Westwell and its surroundings, with estates and business parks such as Eurogate Business Park included. A few photos and the unit address let us price the work.

Is a smaller place like Westwell outside your area?

No. Places such as Westwell are covered as much as the big towns. We work across Greater London and the South East. We plan jobs in smaller places so return trips are kept to a minimum.

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.

Can you handle several sites?

Yes. Multi-site work and planned programmes are a core part of the service, with each site phased to suit its occupants.

Will you check whether the sealant is causing the leak?

Yes. We check the sealant joints and report what we find before quoting. If the water seems to come from a roof, sill or the glazing unit instead, we say so.

How do I request a quote?

The quote form is the simplest route, though you can also call the office on 01277 525 020 or use the quote form. Include photographs or drawings if you have them.

Will you quote for a small job?

We quote for single jobs as well as large packages and programmes. Send details for a fixed quote.

Facade sealing for commercial buildings in Westwell

Installing framed glazing systems isn’t part of our work. What we seal are the joints around them: perimeter joints where frames meet the structure, panel joints and window perimeters, using sealants classified for facade or glazing use. The enquiries we see most involve previous reseals run over old sealant and air leaks through failed facade joints, on window and door perimeters, perimeter joints where frames meet the structure and cladding panel joints. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Westwell is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.

Construction in and around smaller places such as Westwell is often barn conversions, small groups of houses or extensions to halls and schools. Each still needs a proper mastic package: window perimeters, facade joints and internal sealant to the specification.

Building owners and contractors get the same cover: twelve months on the work we carried out. It doesn’t extend to damage, faults in the building or work by others, and we are upfront about that.

Place
Westwell (TN25)
Wider area
Kent
Guarantee
A 12-month guarantee
Quote
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

When to call us in Westwell

Not every failure is in the sealant: crumbling render, spalling concrete or flaking paint take the sealant with them. When the joint edges need repair first, we say so.

What tends to prompt an enquiry:

  • Hard, chalky sealant that no longer flexes
  • Discoloured or dirty facade joints
  • Air leaks through failed facade joints
  • Perimeter sealant that has split or peeled away

Projects at schools like The Hayesbrook School work to term dates, so mastic is programmed tightly.

Questions to ask before you book

  • Is the sealant right for the movement and the substrate?
  • Their plan for phasing and protecting the area
  • Whether old or failed sealant will be cut out, not overlaid
  • Whether their applicators hold CSCS cards

Questions to ask before you appoint anyone

Quoting for work in Westwell

We price every job individually. The main factors are:

  • How accessible the joints are
  • Travel to remote or island sites
  • Which sealant the job calls for
  • Joint width, depth and condition

The specified product makes a difference, and so does the preparation, such as cutting out, priming or new backing rod. Access, phasing and site requirements come into it too.

Sending details for a quote

To price the job accurately, we need to understand the site. Send us:

  • Any specification or named product
  • The postcode of the building
  • Approximate linear metres or a joint schedule
  • Asbestos survey details if the building is older

Send details, get a quote, we seal, guaranteed: that’s how every job runs. The first step is to call 01277 525 020 or send details through our quote form with what you know.

Doing it in-house

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.

Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

For managing agents and facilities managers

CHAS accredited and a Constructionline member, we make supplier vetting simple. Our insurance certificate can be sent along with the quote.

When you manage a building on behalf of an owner, you need clear quotes and clear reporting. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative, plus a 12-month guarantee.

Diagnose, treat, sign off

Diagnose, treat, sign off: every visit follows that pattern. First comes an inspection and agreement on scope, then the work is carried out to the specified product and detail, and the job ends with a walk round and sign-off. For work around Westwell, we aim to finish in one visit, so photographs and measurements up front really help. Then the right materials arrive with us.

  1. We start with photographs, drawings or a visit to see the joints and agree access.
  2. Product choice follows the joint’s movement and substrate.
  3. Failed beads are removed in full and the joint faces cleaned.
  4. Primer is applied where the maker specifies it.
  5. Rod goes in to fix the depth, then the joint is sealed and tooled.
  6. The finished joints are checked with you.

What we need from you

  • Tell us your opening times and when work is allowed
  • Tell us what induction or permit system the site runs
  • Send any specification or drawings in advance

Get a fixed quote

Specifications, drawings and tender packages are welcome with any enquiry, and we’ll price the work to it. Smaller jobs need nothing more than photographs and a few notes.

Get a price

Read more

Why act early in Westwell

If access is already up for other work, resealing at the same time makes sense. Coordinating facade sealing with other external works avoids paying for access twice, saving a second set-up. Older rural buildings around Westwell move with the seasons, and rigid or tired sealant can’t keep up. The right product, sized to the joint, copes much better.

Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well.

Why us?

  • Public liability insurance in place
  • Joints cleaned back to sound surfaces
  • Sealing commercial buildings since 2005
  • Coloured sealants to suit the setting, where available

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

Sites and facades in and around Westwell

Central London is about 46 miles from Westwell. Building activity in the commuter belt runs from new flats near stations to business park refurbishments, so mastic packages have to keep pace with busy programmes. A 2-mile radius around Westwell takes in a number of hotels. Hotel schemes tend to have fixed reopening dates, so the mastic is programmed tightly with the other trades.

Hospital estates such as William Harvey Hospital (4.6 miles south-east of Westwell) 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. For contractors refurbishing units at places like Eurogate Business Park, 2.3 miles south-east of Westwell, the mastic covers cladding panels, roller-door and window perimeters.

Westwell is about 4 miles north of Ashford, in Kent. Any commercial site in Westwell is covered. Westwell is one of 931 places we cover in Kent. Our London page has more on work in that area, about 46 miles away.

Work on facade joints is covered throughout TN25, for business premises of every kind. Close to Westwell, our area also takes in Tutt Hill (1 mile south-west), Ram Lane (1 mile west), Potters Corner (1 mile south), Westwell Leacon (2 miles west) and Hothfield (2 miles south-west). Nearby towns on our patch include Maidstone (15 miles west), Ashford (4 miles south), Canterbury (12 miles north-east), Sittingbourne (11 miles north-west), Whitstable (14 miles north-east) and Faversham (9 miles north).

Local landmarks in Westwell

Westwell’s nearest station is Charing station, roughly 2.6 miles north-west. Nearby you will also find County Square (3.2 miles south) and William Harvey Hospital (4.6 miles south-east).

Map of Westwell © OpenStreetMap contributors
Accreditations

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