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

Coloured and colour-matched sealant in Keymer, West Sussex

Sealant work in Keymer for main contractors, managing agents and facilities managers: coloured and colour-matched sealant for visible joints, quoted at a fixed price.

  • Joints that need to match a new RAL frame colour
  • White or grey sealant that clashes with the finish
  • Discoloured joints on a visible elevation
1
Send details
Drawings, photos, a joint schedule or a site 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
Backed by a 12-month workmanship guarantee.
South East, London & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Coloured sealant in Keymer

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

What affects the price in Keymer

To price the job, we consider:

  • Any access equipment needed
  • Site requirements such as inductions and permits
  • Which sealant the job calls for
  • Quantities, in metres or numbers

Access often affects the price as much as the sealing: easy-to-reach joints are quicker than those that need equipment to get to. Tell us how the joints are reached and call for a quote.

Before you send an enquiry

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

  • The asbestos register, for older buildings
  • Access details, including height
  • Any specification or named product
  • Any dates the work must fit around

Pricing a project or setting a maintenance budget? We’ll quote against your scope and drawings you can plan around. If you have questions first, speak to us on 01277 525 020 or email a schedule or drawings.

About our coloured sealant in Keymer

Colour-matched joints are often among the last items before handover. We work around other trades and protect adjacent finishes, and snag any marks before we leave. A 12-month guarantee covers our workmanship. If you have coloured joints that have cracked with movement and shop fits that need consistent sealant colours across sites, we can help. Most enquiries from Keymer start with one failed joint and grow into a wider look at the building: we look at the rest while we’re there and tell you what we find.

Around smaller places such as Keymer, small firms often work from converted barns, yards and rural units. Those conversions put new frames and partitions against old brick, stone or timber, so each joint needs a product chosen for both surfaces.

What our 12-month guarantee covers is the way we did the job: preparation, application and finish. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

Location
Keymer (BN6)
Region
West Sussex
Cover
A 12-month guarantee
Quote
Fixed quote, scope in writing
Phone
01277 525 020
Updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Aftercare for building managers

Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. Our advice:

  • Approve a sample bead on high-profile areas
  • Note which sealant colour was used where
  • Keep the same sealant colour across a brand
  • Protect fresh coloured sealant from dust and handling

Note the sealant type and colour on the building file. It makes matching later repairs much easier, avoiding a patchwork.

Share the colour reference with anyone working on the finishes. That keeps new work in line with what’s there.

Building owners, agents and FMs in Keymer

As a CHAS accredited contractor and Constructionline member, we are straightforward to vet for your supplier list. We’re fully insured, and our insurance certificate can go with the quote.

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

FAQs: Keymer

Is Victoria Business Park, near Keymer, within your area?

Yes. We cover Keymer and the area around it, including industrial estates, business parks and retail parks such as Victoria Business Park. Photos and a short description are enough for a first look.

Is a smaller place like Keymer outside your area?

Not at all: smaller places are covered as well as towns. We work across Greater London and the South East. Good photos up front let us bring everything on the first visit.

Does weather matter for sealant work?

It can, when the joints are outside. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so external work may be moved if conditions aren’t right. Indoors, the weather is rarely a problem.

Can you match any colour exactly?

No, not always. We choose the nearest standard colour and can agree a sample bead first.

Do you have public liability insurance?

Yes. Our insurance certificate can be sent alongside the quote.

Do your applicators hold CSCS cards?

Yes. Should the site need card details in advance, let us know and we will send them with the quote.

How do I request a quote?

The quote form is the simplest route, though you can also speak to us on 01277 525 020 or email us. Include photographs or drawings if you have them.

What Keymer’s businesses ask us to seal

Keymer has two care or nursing homes no more than 2 miles away. Care homes need tidy, cleanable joints in kitchens, corridors and communal rooms. Keymer is about 40 miles from central London. Business parks and retail centres are common around the capital’s motorway corridors. If you have premises across the region, one contractor can cover them all.

A business with units at Victoria Business Park and Mid Sussex Business Park needn’t use two contractors for its sealant. If you run an office at a site such as Victoria Business Park (2.1 miles north of Keymer), the sealant at reception desks, tea points and frames ages with each fit-out. Refits at hotels like The White Horse Hotel, 0.8 miles to the east of Keymer, bring joints at vanity tops, bars and reception desks that guests see every day.

Keymer is about 2 miles south of Burgess Hill, in West Sussex. Keymer sits inside our coverage and the rest of West Sussex, with the same fixed quotes and 12-month guarantee as everywhere else. 373 places across West Sussex fall within our area, Keymer among them. Our Brighton page has more on work in that area, about 6 miles away.

We take on colour-matched joints across the BN6 postcode area. Among the streets we cover are Flowers Close, The Quadrant and Kymer Gardens. Sites close to Keymer are covered too, including Hassocks (1 mile west), Ditchling (1 mile east), Clayton (1 mile south-west), Hurst Wickham (1 mile north-west) and Westmeston (2 miles south-east). Bigger towns within reach include Crawley (13 miles north), Horsham (13 miles north-west), Worthing (14 miles south-west), Haywards Heath (5 miles north), East Grinstead (15 miles north) and Shoreham-by-Sea (8 miles south-west).

Local landmarks in Keymer

Locally, jobs take us to sites close to The Greyhound Public House and Downlands Community School. Keymer’s nearest station is Hassocks station, roughly 0.5 miles west of the centre. Nearby you will also find The Dene Hospital (3.2 miles north-west) and Clayton Castle (1.2 miles south-west). Not far away are Ditchling Beacon and Bedelands Farm Nature Reserve.

Map of Keymer © OpenStreetMap contributors

On site: what to expect

On arrival, we sign in, go through any site induction and check how permits are handled. Everything around the joints gets protected before anything is cut or cleaned, and the work usually takes a day for a modest shop fit, and longer for a full building or several floors. For a site in Keymer, we plan so the whole job is done in one go where possible. Clear photographs and measurements help us bring the right products.

  1. We confirm the joint type and the product it needs.
  2. Your RAL reference, sample or photo is checked against that product’s colours.
  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. Masking comes off and the work is checked with you.

Preparing the site

  • Explain the parking and delivery arrangements
  • Send your site hours and access windows
  • Tell us what induction or permit system the site runs

Ask for a quote

We quote a fixed sum against the scope you give us, so the cost is agreed before work starts. To start the process, ring 01277 525 020 or email the details over.

Ask for a quote

Advice

Why it’s worth doing now in Keymer

Agreeing the colour before work starts avoids paying twice. A sample takes little time compared with replacing joints in the wrong colour. For buildings in places like Keymer, one well-planned visit beats several small ones, so it’s worth dealing with every failing joint at once.

Pricing colour-matched joints depends on quantities, condition and access. Ask us for a fixed quote.

What you get with us

  • Fully insured
  • One contact handling all your sites
  • Old sealant cut out, never sealed over
  • Fixed quotes based on photos, drawings or a visit

Take a look at our cost guide or how we’re accredited.

When something else is needed

A few problems need another trade or a different fix, and we say so rather than covering them up:

  • Paintable products in joints they aren’t suited to
  • Exact bespoke colour matches beyond the product’s range
  • Materials with mixed tones that defy a single match

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

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

Trusted. Accredited. Insured.