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

Facade Sealing in Aston Clinton

Facade joint and window perimeter sealing on commercial buildings throughout Aston Clinton and nearby, by CSCS-carded applicators. Fully insured and CHAS accredited.

  • Cladding panel joints that have opened up
  • Previous reseals run over old sealant
  • Old perimeter mastic that has dried out
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
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS accredited
£5m public liability

Facade sealing for businesses in Aston Clinton

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

How a job runs

In a busy building, the work is phased so only one area is out of use at a time. Each section is protected, cleaned back and sealed before the next one starts. For a job in Aston Clinton, the main thing is a clear picture of the work, so send photographs of each area. You will then get a fixed price for the work.

  1. Access, site rules and timing are settled with the client up front.
  2. We only seal when joints are dry and within the product’s temperature range.
  3. Each joint is cut out and the edges inspected.
  4. Faces are cleaned, primed where needed and backed.
  5. Sealant is gunned in and tooled hard onto both faces.
  6. We hand over with our 12-month workmanship guarantee.

Preparing the site

  • Arrange parking or a loading space
  • Send any specification or drawings in advance
  • Flag any permit to work we will need

Get a fixed quote

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. To take the first step, call 01277 525 020 or email drawings and photos.

Get a price

Advice

How we handle facade sealing in Aston Clinton

Sealant around windows, doors and cladding panels stops rain reaching the wall behind. Once a perimeter seal fails, water tracks in around frames and panels. We cut out failed facade joints and reseal them with a facade-grade sealant suited to the movement. If you’re dealing with air leaks through failed facade joints and discoloured or dirty facade joints, we can help. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Aston Clinton is the same: the right product in a properly prepared joint.

On a small site around Aston Clinton, the mastic is best done in the fewest visits we can manage. Let us know the key stages and we will time the work so nothing waits on us.

Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we’re clear about what is covered before work starts.

Place
Aston Clinton (HP22)
Region
Buckinghamshire
Guarantee
12 months on every job
Quotes
Fixed quote, scope in writing
Telephone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Should maintenance staff do it?

Putting right a botched joint often costs more than sealing it well at the start, 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.

General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.

Do you need facade sealing in Aston Clinton?

The wrong product causes its share of trouble: an acetoxy cure can mark stone or corrode some metals, and interior products break down outdoors. Neutral-cure, facade-grade products are what most external joints need.

If one of these sounds familiar, it’s time for a closer look:

  • Old perimeter mastic that has dried out
  • Perimeter sealant that has split or peeled away
  • Water coming in around window frames
  • Draughts around frames and panels

University estates such as University Campus Aylesbury Vale (to the west of Aston Clinton) tend to have a rolling programme of new buildings and refurbishments, each with window perimeters and facade joints to seal.

What your quote should include

  • Whether primer will be used where the manufacturer specifies it
  • How the existing material will be dealt with
  • Whether their applicators hold CSCS cards
  • How long is the guarantee, and what does it include?

Our contractor checklist

What the job involves on each surface

Coping and flashing joints

Where the specification calls for sealant at copings or flashings, we can seal them. They sit in the most exposed positions on the building, so preparation and product choice matter.

Cladding panel joints

Joints between cladding panels open and close with temperature. The sealant has to match the movement and the panel finish.

Your questions answered

Could you schedule work at a campus like University Campus Aylesbury Vale for the vacation?

Yes. Education sites typically want the work in vacations or in phases during term, and we plan to suit. Let us know which documents your site asks for, and we will confirm them alongside the quote.

Is Aston Clinton off your patch?

Not at all: smaller places are covered as well as towns. We work across Greater London and the South East. We plan jobs in smaller places so return trips are kept to a minimum.

Is it fine to apply new sealant on top of old?

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

Are your applicators CSCS-carded?

Yes. Our applicators hold CSCS cards, which many sites require.

How do I request a quote?

You can use the quote form on this site; alternatively, speak to us on 01277 525 020 or email us. Include photographs or drawings if you have them.

Is the work guaranteed?

Yes. Our workmanship is backed for 12 months.

Do you take on multi-site work?

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

For managing agents and facilities managers

Main contractors use us as their sealant subcontractor on new-build and refurbishment projects. Programme, specification and site rules come first, with CSCS-carded applicators on site.

Hotels, schools, healthcare sites, offices and retail units come to us directly as well. The work is planned around how the building runs, so the building keeps working while we do.

What happens if it’s left?

Patch repairs over old sealant tend to come back. A full cut-out and fresh bead is the repair that holds, so you aren’t paying for the same joint twice. A failed joint lets water into a building whatever its size. Catching it early means a reseal rather than repairs.

A quote for facade joints depends on how many there are, their condition and the access, and any specification that applies. Ask us for a fixed quote.

Why appoint us

  • Products installed to the manufacturer’s instructions
  • Over 20 years of commercial sealing
  • A Constructionline member, so easy to vet
  • A range of standard colours, depending on the product

Take a look at what affects the cost and our accreditations.

Mastic packages on Aston Clinton sites

Aston Clinton is in the South East, one of the UK’s drier regions. That doesn’t stop wet spells, or frosty starts that leave panels too damp to seal, so the external programme keeps a little slack. Aston Clinton lies roughly 34 miles out from central London. Towns within reach of London tend to keep building, from flats to offices and schools, and each scheme needs its mastic sealed to programme.

Hotels like West Lodge Hotel (to the south-east of Aston Clinton) rarely close for long, so refurbishment mastic is phased floor by floor. When a school such as Aston Clinton School is extended or refurbished, the mastic package is often squeezed into the holidays.

Aston Clinton is about 4 miles east of Aylesbury, in Buckinghamshire. We cover commercial sites throughout Aston Clinton, for single jobs and planned programmes alike. Aston Clinton is one of 308 places we cover in Buckinghamshire. Sites around Oxford have their own page, roughly 22 miles from Aston Clinton.

Work on facade joints is covered throughout HP22, whatever the building. For a building on London Road, Putnams Drive and Archive Close or nearby, send details and we’ll quote for facade joints. Close to Aston Clinton, our area also takes in Buckland (1 mile east), Puttenham (2 miles north), Astrope (2 miles north-east), Long Marston (2 miles north-east) and Bedgrove (2 miles west). A short drive away, we cover Aylesbury (4 miles west), High Wycombe (12 miles south), Chesham (8 miles south-east), Amersham (10 miles south-east), Beaconsfield (14 miles south) and Chalfont St Peter (15 miles south-east).

Local landmarks in Aston Clinton

We work on buildings around John Colet School and The Rothschild Arms and the streets around them. For rail, the closest station is Stoke Mandeville station, about 2.7 miles west. Well-known places in the area include Trenchard Museum (1.7 miles south) and Stoke Mandeville Hospital (3.2 miles west). Not far away are Haddington Hill and Dancersend.

Map of Aston Clinton © OpenStreetMap contributors
Accreditations

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