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

Coloured and colour-matched sealant in Plaistow, Greater London

Coloured and colour-matched sealant for visible joints throughout Plaistow and nearby, by CSCS-carded applicators. Fully insured and CHAS accredited.

  • White or grey sealant that clashes with the finish
  • Old sealant that has yellowed, darkened or faded
  • Patch repairs in several different colours
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.
London, the South East & Scotland
CHAS accredited
Fully insured: £5m PL

Coloured sealant near Plaistow

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

Coloured sealant for commercial buildings in Plaistow

Coloured sealant is a finishing trade, so it usually comes late in a programme. Adjacent finishes are masked and protected while we work, and we leave the area clean. Our workmanship carries a 12-month guarantee. If you have coloured joints that have cracked with movement and joints that need to match a new RAL frame colour, we can help, on hotel bathrooms and public areas, office fit-out finishes and cladding panels alike. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, the work in Plaistow is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.

Buildings in a London area such as Plaistow rarely close for maintenance: occupied offices, ground-floor retail under residential floors and busy shared entrances. Work is split into zones agreed with the building or facilities manager, so the premises keep working around us.

Building owners and contractors get the same cover: a 12-month guarantee on our workmanship. It doesn’t extend to damage, faults in the building or work by others, and we’re upfront about that.

The Mastic Doctor team standing beside their branded vans outside an office building
Location
Plaistow (BR1, BR2, BR3)
Region
Greater London
Guarantee
12 months on every job
Quotes
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026

Why deal with it now?

Agreeing the colour before work starts avoids paying twice. A short trial bead costs very little against redoing a whole elevation. Getting scaffold, permits or access booked in Plaistow takes effort, so it makes sense to deal with every failing joint while access is in place.

Access often affects the price as much as the sealing: easy-to-reach joints are quicker than those that need equipment to get to. Mention the access as part of your enquiry.

What you get with us

  • Workmanship guaranteed for 12 months
  • One number for every site we cover
  • Commercial sealant work since 2005
  • RAL and finish matching where the product range allows

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

Common questions from Plaistow clients

Do you work in London buildings with loading restrictions?

Yes. Inductions, permits and timed loading are routine for us in London. Say when the building is occupied and when it’s quiet, and we will plan accordingly. All of Greater London is inside the ULEZ, and our planning allows for it

Does your area include sites such as Chartwell Business Centre, near Plaistow?

Yes. Our area takes in Plaistow and its surroundings, with estates and business parks such as Chartwell Business Centre included. To start, just call the office on 01277 525 020 or email drawings and photos with the unit, the joints involved and your access times.

Can you quote from photos?

That depends on the size and complexity of the job. Simple work can often be priced from photos, while larger or less clear jobs get a site visit first.

What if there’s asbestos in the old mastic?

Managing asbestos is the dutyholder’s responsibility, so for older buildings we ask for the asbestos register first. If anything suspect turns up, we stop until it’s tested.

How do I request a quote?

You can use the quote form on this site; alternatively, call the office on 01277 525 020 or email the details over. Photos, drawings or a joint schedule help us quote quickly.

How do you choose the sealant?

The specification comes first, if there is one. Without one, the joint decides: its movement, its surfaces and what it has to cope with.

Can staff carry on working while you’re here?

Usually, yes. Phased work can be planned so areas stay in use.

Our process

Occupied buildings need a little choreography. We sign and contain the area we’re in, with routes through the building left open and move on in phases so staff and visitors can carry on around us. The ULEZ covers the whole of Greater London, and parking near a job is rarely simple. Let us know about any on-site parking or loading arrangements when you send the job details.

  1. First we agree which sealant type the joint needs.
  2. We compare the target colour with the colours available.
  3. You approve the colour, on site if it’s critical.
  4. We cut out the existing bead, clean and set the depth.
  5. Edges are masked and the coloured sealant applied and tooled.
  6. We remove the masking and walk the finished joints with you.

Before we start on site

  • Warn occupants and staff about the work
  • Send your site hours and access windows
  • Flag any permit to work we’ll need

Quotes

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

Get a quick quote

Related advice

Maintenance after handover

For the best life from the joints:

  • Standardise colours across a portfolio
  • Don’t let trades patch coloured joints with a random sealant
  • Keep the colour details for future repairs
  • Avoid abrasive pads on coloured sealant

If other trades disturb a coloured joint, ask them to tell you rather than patch it. Wrong-colour patches are obvious, so it is better to reseal the section properly.

Ask for a trial bead on high-profile areas. Seeing the cured colour in place avoids surprises.

How the quote is worked out

What shapes the price:

  • Phasing around occupants
  • Any access equipment needed
  • The product specified
  • How much there is to seal

The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a quote.

Details that help us quote

The more we know, the firmer the quote. When you get in touch, include:

  • Your programme or deadline
  • The type of building and who uses it
  • The product your specification calls for
  • Asbestos survey details if the building is older

The quickest route to a quote is a few photos and the site postcode. Upload them with the quote form, or speak to us on 01277 525 020 or send photos by email to discuss it first.

Coloured sealant around Plaistow: how the place shapes the job

London premises normally come with a building manager, booked loading and house rules for contractors. We fit into those systems and phase the work so the building keeps operating. Plaistow has at least three named business or industrial parks inside a 3-mile radius. Sites like these see regular refits, with shopfronts, offices and staff areas to seal; brand colours often come into it.

Offices at parks like Chartwell Business Centre, 1.8 miles to the south-east of Plaistow, have receptions, kitchens and glazed partitions where a tidy joint matters. Occupiers with premises at both Chartwell Business Centre and Bell Green Retail Park could have the sealant at each handled under one quote.

Plaistow is about 1 mile north of Bromley, in Greater London. We cover Plaistow and the rest of Greater London, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Across Greater London, 764 places are covered, Plaistow among them. Our London page has more on work in that area (7 miles or so).

If you need coloured sealant in BR1, BR2 and BR3, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. Among the streets we cover are Saxon Road, Arcus Road and Croft Road, and sites on any of them can send details for a fixed quote. If your building is just outside Plaistow, we cover Downham (1 mile north), Sundridge (1 mile east), Grove Park (1 mile north-east), Bromley (1 mile south) and Chinbrook (1 mile north-east). Further afield, our area takes in London (7 miles north-west), City of Westminster (10 miles north-west), Marylebone (10 miles north-west), Kensington (11 miles north-west), St Pancras (9 miles north-west) and Shoreditch (8 miles north-west).

Landmarks near Plaistow

In Plaistow, that means premises near Holy Trinity College Bromley, The Railway Tavern and Haberdashers' Aske's Knights Academy. For rail, the closest station is Sundridge Park station, about 0.6 miles south-east. Nearby you’ll also find Greenwich Castle (4.1 miles north) and Prefab Museum (1.3 miles north-west). Green spaces nearby include Downham Woodland Walk and Summer Hill.

Map of Plaistow © OpenStreetMap contributors

What we are called out for in Plaistow

Sometimes the wrong colour went in at the start, or a substitute product was used. The joint may work perfectly but look out of place, so someone asks for it to be changed.

Typical triggers for a call:

  • White or grey sealant that clashes with the finish
  • Fit-outs with a sealant colour in the specification
  • Discoloured joints on a visible elevation
  • Previous reseals that don’t match the original

For a shop at a centre such as The Mall, which lies south of Plaistow, tidy joints at counters and displays matter as much as the fixtures.

What to look for in a quote

  • The named product and why it was chosen
  • Whether old or failed sealant will be cut out, not overlaid
  • Health and safety accreditation such as CHAS
  • How joint depth will be controlled

Choosing a commercial sealant contractor

Commercial clients in Plaistow

Housing associations and managing agents often need work done across blocks and communal areas. Work can be phased so residents and staff keep access throughout, with each stage agreed with your site contact.

Hotels, schools, healthcare sites, offices and retail units 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.