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

Chestnut Street coloured sealant

Coloured and colour-matched sealant for visible joints across Chestnut Street, by CSCS-carded applicators. Fully insured and CHAS accredited.

  • Old sealant that has yellowed, darkened or faded
  • A run of joints in mismatched shades
  • Failed coloured sealant that has split or peeled
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
Covering the South East & Scotland
CHAS accredited
£5m PL insurance

Coloured sealant for businesses in Chestnut Street

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Working on commercial sites near Chestnut Street

The sea is no more than about 3 miles from Chestnut Street. Exposed frontages near the sea are hard on sealant, so the product has to suit the weather as well as the look. Sea-facing elevations are typically where failed joints show first. The South East is one of the drier parts of the UK. That helps, but frost and condensation on glass and coated frames still stop outside sealing on some winter mornings.

Occupiers with premises at both Newington Enterprise Centre and Newington Industrial Estate could have the sealant at each handled under one quote. Offices at parks like Newington Enterprise Centre, 1.3 miles north-west of Chestnut Street, have receptions, kitchens and glazed partitions where a tidy joint matters.

Chestnut Street is about 2 miles west of Sittingbourne, in Kent. Looking for coloured sealant in Chestnut Street? We can help, as we do across Kent. Our Kent coverage takes in 931 places, from busy centres to rural villages. For work in that direction, see our London page, about 36 miles away.

We cover the ME9 postcode districts. If your site is on Chestnut Street, Maidstone Road and Chestnut Wood Lane or close by, we can quote for colour-matched joints. Close to Chestnut Street, our area also takes in Keycol (1 mile north), Bobbing (1 mile north-east), Danaway (1 mile south-west), Oad Street (1 mile south) and Newington (1 mile north-west). Nearby towns on our patch include Maidstone (9 miles south-west), Gravesend (15 miles north-west), Whitstable (15 miles east), Faversham (9 miles east), Minster (7 miles north-east) and Kings Hill (13 miles west).

Around Chestnut Street

Recent enquiries here include premises near Westlands School and the streets around them. The nearest railway station is Newington station, roughly 1.2 miles north-west. Nearby you’ll also find Bayford Court (2.3 miles east) and Court Hall Museum (1.9 miles east).

Map of Chestnut Street © OpenStreetMap contributors

Coloured sealant in Chestnut Street

We can agree a short trial length before the full run. Sealant can look slightly different once it has cured, and again in different light. Tell us who needs to approve the colour and we’ll plan for it. We work on office fit-out finishes, natural stone and brick and shop-fit joinery and counters, and the usual reasons a site gets in touch are fit-outs with a sealant colour in the specification and smeared sealant on stone or joinery. A specialist sealant contractor works differently from a general builder: on jobs in Chestnut Street, preparation and product choice get the time they need.

A job in a smaller place like Chestnut Street is usually a single building. We’ll want a full list and photos first, so the right products come on the day and nothing waits for a second trip.

Every job is signed off with a 12-month guarantee. The promise is simple: if the work we did fails within twelve months, we return to fix it.

The Mastic Doctor team standing beside their branded vans outside an office building
Where
Chestnut Street (ME9)
Wider area
Kent
Guarantee
12 months on every job
Price
Quoted before any work starts
Telephone
01277 525 020
Page updated
3 November 2026

Common problems we fix in Chestnut Street

A change of finish can leave existing sealant mismatched. New cladding colours, repainted frames or a refreshed shop fit all prompt colour changes that the sealant has to follow.

What tends to prompt an enquiry:

  • Stained or mouldy coloured joints in washrooms
  • Hotel refurbishments with a set colour scheme
  • Sealant that no longer suits recoated frames
  • Smeared sealant on stone or joinery

Shops and cafés around stations like Newington station, 1.2 miles to the north-west of Chestnut Street, trade from early, so work is timed around them.

Questions to ask before you book

  • Their public liability cover
  • How the existing material will be dealt with
  • How long is the guarantee, and what does it include?
  • Will CSCS-carded applicators be on site?

Questions to ask before you appoint anyone

What sealant work can’t fix

Our job is the joint, not everything around it. On its own, sealant can’t deal with:

  • Overpainting a joint that needs a non-paintable product
  • Preventing all fading from sunlight and weathering
  • Cleaning or repairing the surrounding finishes

If in doubt, ring 01277 525 020 or email the details over and we’ll say what we think.

Surfaces we seal

  • Powder-coated and anodised frames
  • Cladding panels
  • Hotel bathrooms and public areas
  • Natural stone and brick
  • Shop-fit joinery and counters
  • Office fit-out finishes

When to bring in a specialist

For a quick touch-up, site staff may be fine, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

Paperwork matters too. Many sites expect CSCS cards, RAMS and proof of insurance, and we’ll confirm the paperwork you need with the quote.

How a job runs

We bring the products specified for the job, along with primers and backing rod. Any old material is cut back to clean, sound faces, the manufacturer’s primer is applied where it’s called for, and each bead is tooled to a neat concave finish. If others near Chestnut Street need work, visits can be combined. A fixed quote is given before anything starts.

  1. We confirm the joint type and the product it needs.
  2. We compare the target colour with the colours available.
  3. You approve the colour, on site if it’s critical.
  4. The existing bead comes out, then faces are cleaned and backed.
  5. We mask, seal and tool to a clean line.
  6. We remove the masking and walk the finished joints with you.

Before we start on site

  • Tell us which areas need to stay in use
  • Send your site hours and access windows
  • Share the asbestos register for older buildings

Quotes

To get a fixed quote, speak to us on 01277 525 020 or email drawings and photos, telling us the site location and the nature of the job. Our quote form is another easy route.

Get a price

Related advice

Your questions answered

Does the sea air around Chestnut Street change the choice of sealant?

It can. Coastal exposure works external joints harder than inland weather. That puts more weight on product choice, primers where the manufacturer specifies them, and correct joint sizing.

Does your area include sites such as Newington Enterprise Centre, near Chestnut Street?

Yes, sites like Newington Enterprise Centre are within our area, along with the rest of Chestnut Street. Send details of the unit and the work through our quote form for a quick quote.

Do you work to architects’ specifications?

Yes. We follow the specification, along with the manufacturer’s installation guidance, and any queries are raised before we start.

Do you seal on top of existing sealant?

No. We cut the old material out and clean the joint back before sealing, because fresh silicone will not bond with aged silicone.

Can you match any colour exactly?

No. An exact bespoke match isn’t something we can promise. Sealants come in a wide range of standard colours, and we’ll confirm the colours available for the specified product.

Will the colour fade over time?

Exposed sealant can change in appearance over the years. UV and grime can soften or alter the colour, which is why exposed joints are inspected and resealed when needed.

Can you work to a RAL reference?

Yes. We compare the RAL reference with the colours made for the specified sealant. You’ll see the nearest options at quote stage.

How the quote is worked out

A fixed quote reflects the actual work. It allows for:

  • Induction, permit and paperwork requirements
  • How accessible the joints are
  • Whether the work must be split into stages
  • Joint width, depth and condition

There’s no price list, because the scope varies so much from one building to the next. Call for a quote and we’ll price your job on its own details.

What we need to price the job

A few photographs plus some basic facts will normally do. Please tell us:

  • Whether the building will be occupied during the work
  • The asbestos register, for older buildings
  • When you need the work done
  • Anything awkward about access or site hours

Send details, get a quote, we seal, guaranteed: that’s how every job runs. To take the first step, call 01277 525 020 or send details through our quote form.

Owners, agents and contractors

Hospitality, education, healthcare, office and retail clients book us directly too. The work is planned around how the building runs, so the building keeps working while we do.

We work for building owners and managing agents on sealant work across single buildings or whole portfolios. Several sites can go on one quote, which keeps the paperwork simple.

Accreditations

Trusted. Accredited. Insured.