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

Ealing expansion joint sealing

Expansion joint sealing for Ealing, from a contractor working since 2005. Fully insured, with a 12-month guarantee.

  • Car park joints leaking onto vehicles below
  • Sealant peeling off one face of the joint
  • Expansion joints filled with dirt and stones
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
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
Constructionline member
£5m public liability

Need expansion joint sealing in Ealing?

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

Diagnose, treat, sign off

Our CSCS-carded applicators arrive with the sealants, primers and backing rod the job calls for. Any old material is cut back to clean, sound faces, primer goes on where the manufacturer specifies it, and the sealant is tooled off neatly. Planning a London job such as one in Ealing starts with access. Give us the hours we can be on site and we will schedule to suit.

  1. We start with photographs, approximate lengths and any drawings, visiting where needed.
  2. We compare each joint’s width with the movement and the sealant’s capability, and flag anything that needs an engineer.
  3. Every joint is cleared of the failed seal and any grit packed into it.
  4. Any broken arrises or friable edges are flagged before work goes further.
  5. A sealant suited to the movement and traffic is laid to depth and tooled.
  6. Areas reopen once cured, and the work carries our 12-month guarantee.

Before we start on site

  • Send asbestos survey details if the building is pre-2000
  • Explain the parking and delivery arrangements
  • Move anything stored against the joints

Request a quote

For a fixed quote, call 01277 525 020 or email a schedule or drawings. Our quote form is another easy route.

Ask for a quote

Related advice

How we handle expansion joint sealing in Ealing

A movement joint only works while its seal does. When the sealant splits or lets go, the gap fills with dirt and water; the joint jams, its edges take the load and the arrises spall. Dealt with early, it stays a sealant job rather than a concrete or masonry repair. We work on cladding panel joints, blockwork control joints and precast concrete panel joints, and the usual reasons a site gets in touch are weathered movement joint sealant that no longer flexes and new sealant over old, now failing. A single leaking joint is often how a building in Ealing first comes to us: we look at the rest while we are there and tell you what we find.

Around Ealing, as across London, joints are under constant load, from basement car parks and loading bays to podium decks and busy mall floors. When a joint fails, grit and water get in and the arrises start to break up, so it pays to act early.

We stand by our work: 12 months, guaranteed. That covers our preparation and application.

Place
Ealing (W5, W13, W3, NW10)
Wider area
Greater London
Cover
12 months on our workmanship
Price
Quoted before any work starts
Telephone
01277 525 020
Page updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Site staff or a sealant specialist?

Some joints are best left to specialists: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. Getting these wrong typically costs more in the end than doing them right.

Putting right a botched joint often costs more than sealing it well at the start, since all of it has to come out and the faces be cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.

What affects the price in Ealing

Sealant work doesn’t have a standard rate, since sites vary so much. What we take into account:

  • Removal of failed or old sealant
  • Working within restricted access windows
  • Location, for remote and island sites
  • The total length or number of joints

The product called for affects the cost, as does the preparation each joint needs, such as cutting out, priming or new backing rod. Access, phasing and site requirements come into it too.

What we need to price the job

Whether it’s one area or a whole building, the same details help:

  • Any dates the work must fit around
  • The site address and postcode
  • Clear photos of the problem areas
  • Approximate linear metres or a joint schedule

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To start the process, give us a call on 01277 525 020 or email drawings and photos.

What we can’t put right

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

  • Mechanical expansion joint covers, cover plates or proprietary joint systems (a specialist supplier’s job)
  • Changing the joint layout or spacing of a structure
  • Leaks coming from the membrane rather than the joint seal

If in doubt, call the office on 01277 525 020 or send photos by email and we will say what we think.

Where we work in Ealing

  • Car park decks and ramps
  • Brickwork movement joints
  • Precast concrete panel joints
  • Blockwork control joints
  • Podiums and floor movement joints
  • Cladding panel joints

Questions we’re asked in Ealing

Do you take on jobs in Ealing where loading and access are tightly controlled?

Yes. Inductions, permits and timed loading are routine for us in London. The building manager’s rules go straight into our method. The ULEZ covers the whole of Greater London, which we allow for

Can you work at a site such as Phoenix Trading Estate, by Ealing?

Yes, sites like Phoenix Trading Estate are within our area, along with the rest of Ealing. Send details of the unit and the work through our quote form for a quick quote.

What hours do you work?

Give us your site hours and any access windows in your enquiry, and we will schedule the work to suit. You can reach the office between 8am and 5pm, Monday to Friday.

Are expansion joints and movement joints the same thing?

Movement joint is the broad term for any joint built in to let a structure move. On site, people tend to use them interchangeably and the way they’re sealed is similar.

Will you just go over the old sealant?

No, never. Sealing over old material is one of the classic causes of early joint failure, so everything comes out first.

What site paperwork can you supply?

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

Which sealant will you use?

If the job is specified, we follow the specification. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.

Commercial clients in Ealing

Facilities managers want contractors who arrive with the paperwork sorted. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we will confirm them with the quote.

As a CHAS accredited contractor and Constructionline member, we make supplier vetting simple. We are fully insured, and our insurance certificate can go with the quote.

Expansion joint sealing around Ealing: points for this area

London car parks, loading bays and podium decks often can’t close for long, which is why we work a few bays at a time. The 3 miles around Ealing take in at least three named trading estates, business parks or retail parks. Their warehouses, yards and car parks are exactly where joints take the most punishment.

At places like Boston Business Park, 1.5 miles south-west of Ealing, joints are sealed a section at a time so operations carry on. If you manage units on an estate such as Phoenix Trading Estate (1.3 miles south of Ealing), the floor joints under forklifts and pallet trucks and the slab joints in the yard are the ones to watch. For a centre such as Westway Shopping Park (2.5 miles north-west of Ealing), the service yard and car park joints normally need attention first.

Ealing is about 7 miles west of City of Westminster, in Greater London. If you’re looking for expansion joint sealing in Ealing, we can help. Ealing is one of 764 places in Greater London on our list. There’s a separate page for London, about 9 miles away.

Anyone looking for expansion joint sealing in W5, W13, W3 and NW10 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. Streets here include High Street, Coleridge Square and Station Road, and sites on any of them can send details for a fixed quote. Being close to the A40 and B452, Ealing is easy to get to with materials and equipment. Just outside Ealing, we also work in South Ealing (1 mile south), Pitshanger (1 mile north), Brentham Garden Suburb (1 mile north), Hanwell (1 mile west) and West Ealing (1 mile west). Further afield, our area takes in London (9 miles east), City of Westminster (7 miles east), Marylebone (7 miles east), Kensington (5 miles east), St Pancras (8 miles east) and Shoreditch (10 miles east).

Local landmarks in Ealing

Recent enquiries here include premises near The Red Lion pub, Christ the Saviour Church of England Primary School and Great Ealing School. Other local landmarks include Walpole Park (under half a mile north-east) and Library for Iranian Studies (1.5 miles east). For rail, the closest station is Ealing Broadway station, roughly 0.5 miles north-east of the centre. A little further out are London Designer Outlet (3.3 miles north) and Gunnersbury Park House - Large Mansion (1.2 miles south-east). Open spaces near Ealing include Castlebar Hill and Middle Lake.

Map of Ealing © OpenStreetMap contributors

Aftercare for building managers

Cleaning and maintenance staff play a part too. Pass these on to them:

  • Inspect movement joints alongside other routine building checks
  • Check joints after long freezing spells
  • Keep traffic off new joints until the cure time is up
  • Avoid parking heavy plant or pallets on joint lines

Our workmanship on movement joints carries a 12-month guarantee. Keep the handover details, product and date with your O&M records, so the next reseal starts with the facts.

Unsupported floor joint edges spall under forklift and pallet-truck wheels. Broken arrises jolt trucks, loads and drivers. Sealing early protects the edges.

Accreditations

Trusted. Accredited. Insured.