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

Coloured Sealant contractors in Deal

Coloured and colour-matched sealant for visible joints in Deal. CHAS accredited and fully insured, with a 12-month guarantee.

  • Patch repairs in several different colours
  • Fit-outs with a sealant colour in the specification
  • Dirty, discoloured joints in public areas
1
Send details
Photos, drawings or a schedule, or we visit.
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
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS & Constructionline
£5m public liability

Need coloured sealant in Deal?

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

Diagnose, treat, sign off

A typical day starts with protection: tape along each joint edge and covers over finishes, stock and equipment close by. On site, the work typically takes about the same time as any other sealant work, plus a little longer if a sample bead is agreed first, and our waste is bagged and taken away as we go. Most work in Deal is one building at a time: a school, a unit, an office or a block. We start with your photos, drawings or a site visit, then send a fixed quote.

  1. Photos or drawings show us the finishes and joints.
  2. Colour options from the specified product’s range are shared with you.
  3. The programme and access are agreed, including any phasing.
  4. We prepare each joint, prime where needed and fit backing.
  5. The agreed colour is installed and tooled neatly.

Getting the site ready

  • Explain the parking and delivery arrangements
  • Clear stock, furniture or equipment away from the joints
  • Have the specification and drawings to hand

Quotes

A good quote starts with a clear picture: the joints involved, quantities, access and the product called for. Send what you have, and we’ll arrange a site visit if anything is unclear.

Get a quick quote

Advice

Coloured sealant in Deal, done properly

A coloured bead has to perform like any other sealant. Each joint is cleaned, backed to depth and tooled firmly onto both faces, with no shortcuts because it’s decorative. Clean masking and steady tooling give the sharp lines colour work needs. Most enquiries involve poorly tooled joints on visible finishes and white or grey sealant that clashes with the finish, on shop-fit joinery and counters, natural stone and brick and cladding panels. For commercial sealant work in Deal, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.

A town such as Deal usually has a high street, some business units, schools and a surgery or two. Each has joints that wear: frontages, staff kitchens, washrooms and window perimeters.

Whoever the client is, the cover is the same: 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.

Where
Deal (CT14)
Wider area
Kent
Guarantee
12 months on our workmanship
Quote
Fixed quote, scope in writing
Call
01277 525 020
Updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Questions we are asked in Deal

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

It can. Coastal exposure works external joints harder than inland weather. We choose the product for the exposure, prime where the manufacturer requires it and size the joint for its movement.

Can you match sealant colours for premises in Deal?

Yes, sealants come in a wide range of standard colours, and matching to RAL references, cladding, stone or frames is a common request. Send colour references or photographs and we’ll confirm what’s available for the product.

How soon can the area be used again?

We will confirm how long the chosen product needs to cure.

Can you work to our specification?

Yes. Send it with your enquiry, and we will price the work to it, flagging anything that needs clarifying.

Can you work while the building is occupied?

Yes, with some planning. We agree a sequence with your contact so just one area at a time is disrupted.

Can you quote from photographs?

That depends on the size and complexity of the job. Straightforward work can often be priced from photographs and measurements, and bigger or more complex jobs typically get a visit.

Will your applicators have CSCS cards?

Yes. Our applicators hold CSCS cards, as many construction sites ask for.

Common problems we fix in Deal

Exposure takes its toll on colour. Sunlight, dirt and pollution can darken, yellow or chalk the surface, so joints that once matched no longer do. Resealing is the chance to reset the colour.

What tends to prompt an enquiry:

  • Coloured joints that have cracked with movement
  • Dirty, discoloured joints in public areas
  • A run of joints in mismatched shades
  • Shop fits that need consistent sealant colours across sites

In hotels such as Queens Hotel (0.5 miles north-east of Deal), refurbishments normally mean bathroom, bar and reception joints where a matched sealant colour has to sit with the finishes.

What your quote should include

  • Is the sealant right for the movement and the substrate?
  • What level of public liability insurance do they hold?
  • How the joint faces will be prepared and primed
  • Health and safety accreditation such as CHAS

How to choose a sealant contractor

Commercial clients in Deal

We work for building owners and managing agents on everything from one building to a spread of sites. Several sites can go on one quote, which keeps the paperwork simple.

Planned maintenance programmes are welcome: resealing failed joints building by building, on a schedule that suits your budget. Sites in Deal can sit alongside others in a wider programme.

Coloured sealant around Deal: what changes locally

Deal is within about 1 mile of the coast. 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 usually where failed joints show first. The South East is one of the drier parts of the UK. Even so, outside sealing waits for a dry joint, and cold, damp mornings can delay it.

Shops and cafés around stations like Deal station, 0.5 miles to the north-east of Deal, trade from early, so work is timed around them.

Deal is about 14 miles east of Canterbury, in Kent. Our applicators travel to Deal for work on colour-matched joints. Deal is one of 931 places we cover in Kent for colour-matched joints. Sites around London have their own page, roughly 67 miles from Deal.

Anyone looking for coloured sealant in CT14 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. If your site is on London Road, Forelands Square and Herschell Square or close by, send details and we will quote for colour-matched joints. Access to Deal is via the A258 and B2056 among other routes, so getting applicators and materials to site is simple. We also cover Mill Hill (1 mile west), Walmer (1 mile south), Sholden (1 mile north-west), Sholden Meadows (1 mile north-west) and Great Mongeham (1 mile west) for colour-matched joints. Bigger towns within reach include Canterbury (14 miles west), Margate (11 miles north), Dover (7 miles south-west), Folkestone (13 miles south-west), Ramsgate (8 miles north) and Broadstairs (10 miles north).

What’s near Deal

We work on buildings around Betteshanger Park, Brickmakers Arms and Deal Parochial Church of England Primary School. The closest station to Deal is Deal station, about 0.5 miles north-east. A little further out are Kent Museum of the Moving Image (0.6 miles north-east) and Deal Castle (0.5 miles east).

Map of Deal © OpenStreetMap contributors

When to bring in a specialist

Site maintenance staff can often handle a short internal joint. Where it goes wrong is preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.

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

Looking after the joints

Every sealant joint needs some looking after, and how long they last depends on how they’re treated. We suggest:

  • Clean coloured joints with mild products
  • Standardise colours across a portfolio
  • Brief cleaners about newly sealed joints
  • Note which sealant colour was used where

Let the joints cure as the manufacturer advises before they’re cleaned. Coloured sealant marks more visibly than white while it is fresh, so brief cleaners and other trades.

Standardise the sealant colour on multi-site work. Consistency makes future work simpler and easier to manage.

Why act early in Deal

A brand roll-out or multi-site fit-out benefits from a consistent sealant colour. Fixing the colour reference at the start keeps every site the same. In a town like Deal, a split, stained or mouldy joint is often the first thing visitors notice. Fresh sealant makes a building look maintained.

Pricing colour-matched joints depends on quantities, condition and access, plus any specification you’re working to. Call for a quote.

What you get with us

  • 12-month guarantee on workmanship
  • Health and safety: CHAS accredited
  • Colour options checked against the specified product
  • A Constructionline member, so easy to vet

See what affects the cost or how we’re accredited.

Accreditations

Trusted. Accredited. Insured.