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

Edmonton coloured sealant

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

  • Colour changes after a rebrand or refit
  • Smeared sealant on stone or joinery
  • Stained or mouldy coloured joints in washrooms
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
CHAS accredited
Fully insured: £5m PL

Need coloured sealant in Edmonton?

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

Working on commercial sites near Edmonton

In London, commercial buildings often have managed loading bays, goods lifts and permit-to-work systems. We fit into those systems and phase the work so the building keeps operating. Less than 3 miles from Edmonton there are at least three named estates and business parks. Each new occupier on a park like these tends to refit, from reception to staff kitchen, often in a colour the occupier specifies.

Occupiers with premises at both Edmonton Green Shopping Centre and Dominion Business Park could have the sealant at each handled under one quote. For premises near Edmonton Green station (less than half a mile north-west of Edmonton), footfall is part of the plan: work is phased so shops and offices keep trading. Units at retail parks like Edmonton Green Shopping Centre (to the north-east of Edmonton) change hands and get refitted, with new joints at every frontage.

Edmonton is about 9 miles north-east of City of Westminster, in Greater London. Businesses, contractors and managing agents in Edmonton can call on us for colour-matched joints, as part of our coverage of Greater London. Edmonton is one of 764 places in Greater London on our list. For work in that direction, see our London page.

Anyone looking for coloured sealant in N9, N18, N13 and EN1 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. We cover commercial and managed buildings on The Broadway, Plevna Road and Galahad Road. With the B137 and B154 nearby, Edmonton is straightforward for us to reach. Nearby places we also cover include Upper Edmonton (1 mile south), Picketts Lock (1 mile east), Northumberland Park (1 mile south), Ponders End (1 mile north-east) and Bush Hill Park (1 mile north-west) for colour-matched joints. Nearby towns on our patch include London (9 miles south), City of Westminster (9 miles south-west), Marylebone (8 miles south-west), Kensington (10 miles south-west), St Pancras (7 miles south) and Shoreditch (7 miles south).

Around Edmonton

Around Edmonton, our work takes us to commercial buildings near NiW Furniture pub, The Latymer School and Starks Field School, among other places. There’s a railway station in Edmonton itself: Edmonton Green station. Other landmarks nearby include Edmonton Green Shopping Centre (less than half a mile north-east) and North Middlesex University Hospital (1 mile south-west). Green spaces nearby include Highams Park Lake and Ainslie Wood.

Map of Edmonton © OpenStreetMap contributors

Coloured sealant in Edmonton

Window, door and shopfront frames in RAL finishes often need a sealant to suit. The frame colour is checked against the sealant’s standard range. Where nothing in the range is close enough, a paintable hybrid or PU sealant may be an alternative, if the joint and specification allow. If you have weathered sealant that no longer matches and poorly tooled joints on visible finishes, we can put it right. Whether you call it commercial sealant work, mastic application or joint sealing, in Edmonton it comes down to the same thing: failed joints cut out, faces prepared and the right sealant laid to the right depth.

London’s commercial stock mixes period buildings turned into offices with modern glass and steel, which means one visit can cover joints against stone, brickwork, coated aluminium and shop-fit panels. The right product goes on each, in a colour chosen to suit where the joint is seen.

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’re upfront about that.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Edmonton (N9, N18, N13, EN1)
Wider area
Greater London
Guarantee
A 12-month guarantee
Quotes
Quoted before any work starts
Phone
01277 525 020
Updated
3 November 2026

FAQs: Edmonton

Can you work at a site such as Edmonton Green Shopping Centre, by Edmonton?

Yes. Estates, retail parks and business parks around Edmonton, Edmonton Green Shopping Centre among them, are all within reach. A few photos and the unit address let us price the work.

Do you offer colour-matched sealant for buildings in Edmonton?

Yes, we can normally get close to most finishes from the product’s colour range. Available colours for the product are confirmed with the quote.

Do you work to architects’ specifications?

Yes. Include it with the drawings when you ask for a quote, and we’ll price the work to it, flagging anything that needs clarifying.

How do we ask for a quote?

There are four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. Step one needs little more than photos and a postcode.

Do you need to see the site first?

Many jobs can be quoted from photos, drawings or a joint schedule. Where they aren’t, we arrange a site visit before quoting.

How do you deal with asbestos in old sealant?

The duty to manage asbestos sits with the building’s dutyholder, so we’ll ask for the register before work on an older building. Work pauses if suspect material is found, until it has been tested.

Can you send site paperwork?

Let us know which documents the site needs, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm them with the quote.

How the job changes by surface

Powder-coated and anodised frames

Metallic and anodised finishes are hard to match exactly with sealant. We’ll suggest the nearest standard colours for approval.

Cladding panels

Cladding joints are often seen across a whole elevation. We pick a facade-grade sealant in a shade that sits with the panels, suited to the expected movement.

Why it’s worth doing now in Edmonton

Leaving a failed coloured joint risks more than appearance. Behind the bead, moisture can damage substrates and finishes, so it’s worth fixing early. Repeat call-outs disrupt occupied London buildings, so cutting the old sealant out fully and doing it right once is the better route.

No two sites price the same: joint size, product, access and site hours all play a part. A fixed quote follows once we understand the job.

Why appoint us

  • A range of standard colours, depending on the product
  • Fully insured, including public liability cover
  • Work to your specification and the manufacturer’s guidance
  • A Constructionline member, so easy to vet

Read what affects the cost or our accreditations.

On site: what to expect

We schedule the visit to fit the site hours and access windows you give us. While we are working, the area stays contained and tidy, and your contact hears from us before we move to the next area. All of Greater London is in the ULEZ, and kerbside space in Edmonton can be scarce. If there’s a loading bay, a car park or a permit we can use, tell us when you send details.

  1. We confirm the product the joint needs before talking about colour.
  2. We compare your RAL reference or sample with the colours made for that sealant.
  3. Where colour is critical, a sample bead can be agreed in a discreet spot.
  4. We take out the existing bead, clean the joints and fit backing.
  5. The coloured sealant is applied and tooled with clean, masked edges.

What we need from you

  • Point out parking and an unloading spot
  • Send asbestos survey details if the building is pre-2000
  • Move anything stored against the joints

Quotes

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. To take the first step, phone 01277 525 020 or use the quote form.

Ask for a quote

Advice

General trades versus a specialist

General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class, which is what makes a joint last.

The visible bead is only part of the job. Backing rod, primer where specified and a joint designed to move with the building are where general trades tend to cut corners.

What sealant work can’t fix

A proper diagnosis includes knowing what sealant can’t do. We will tell you if the real problem is one of these:

  • Finishes that change colour from one area to another
  • Repairing damaged frames or cladding
  • Stopping sealant from ever changing colour outdoors

If in doubt, call 01277 525 020 or use the quote form and we’ll say what we think.

Where we work in Edmonton

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

For managing agents and facilities managers

We take on planned maintenance as well as one-off repairs: resealing failed joints building by building, on a schedule that suits your budget. Edmonton can form part of a wider programme.

Hospitality, education, healthcare, office and retail clients book us directly too. We plan around the way the building is used, so the building keeps working while we do.

Accreditations

Trusted. Accredited. Insured.