Expansion joint sealing in Clerkenwell
Expansion and movement joint sealing in walls, decks and floors in Clerkenwell. CHAS accredited and fully insured, with a 12-month guarantee.
- Torn sealant in brick or block movement joints
- Sealant peeling off one face of the joint
- Chipped joint edges on forklift routes
Expansion joint sealing near Clerkenwell
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Site staff or a sealant specialist?
What you see is the finished bead, but most of the work is hidden. Correct depth, the right primer and a sealant matched to the movement are easy to get wrong without experience.
Some joints are best left to specialists: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.
Expansion joint sealing in Clerkenwell, done properly
A movement joint only works while its seal does. When the sealant splits or lets go, the gap fills with dirt and water. Resealing at the first signs of failure is far cheaper than repairing the material either side. We work on car park decks and ramps, podiums and floor movement joints and brickwork movement joints, and what we are called in for most is weathered movement joint sealant that no longer flexes and car park joints leaking onto vehicles below. Most enquiries from Clerkenwell start with one failed joint and grow into a wider look at the building: we check the joints around it and give you an honest view of what needs doing now and what can wait.
Floor and movement joints in London take heavy use: car park decks, loading bays, shopping centre malls and podiums over occupied space. When a joint fails, grit and water get in and the arrises start to break up, so it pays to act early.
We sign every job off with a 12-month guarantee. The promise is simple: if our work fails within that year, we put it right.
- Place
- Clerkenwell (N1, EC1V, WC1X)
- Wider area
- Greater London
- Guarantee
- 12 months on our workmanship
- Price
- Quoted before any work starts
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
For managing agents and facilities managers
We work for building owners and managing agents on sealant work across single buildings or whole portfolios. One quote can cover more than one site, so there’s one set of paperwork to deal with.
When you manage a building on behalf of an owner, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative.
From enquiry to sign-off
A typical day starts with protection: masking tape along the joint edges and sheeting over anything nearby. The work itself typically takes a day or so for a modest run of joints, and longer where decks, ramps or floors are done in phases, and we clear our waste as we work. All of Greater London is in the ULEZ, and kerbside space in Clerkenwell can be scarce. Let us know about any on-site parking or loading arrangements when you send the job details.
- Photos, joint lengths and drawings come to us, or we visit.
- Joint widths and expected movement are checked against what the sealant can take, and flag anything that needs an engineer.
- Every joint is cleared of the failed seal and any grit packed into it.
- Any broken arrises or friable edges are flagged before work goes further.
- A sealant suited to the movement and traffic is laid to depth and tooled.
- Each area is handed back after its cure time, under our 12-month guarantee.
Getting the site ready
- Have the specification and drawings to hand
- Tell us which areas need to stay in use
- Share your working hours and any access restrictions
Request a quote
Send us photos, drawings or a joint schedule and a fixed quote comes back to you. Where a site visit makes more sense, we’ll arrange one.
Related advice
Nearby places to Clerkenwell
Also in Clerkenwell
Different surfaces, different methods
Internal floor movement joints
Floor joints include saw-cut joints and construction joints. Trafficked floor joints often get a semi-rigid filler.
Cladding panel joints
We confirm what access is in place before pricing. Photos taken near the joints help us price accurately, or we visit if they don’t show enough.
Your questions answered
Do you take on jobs in Clerkenwell 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.
Does your area include sites such as Roman Way Industrial Estate, near Clerkenwell?
Yes. Estates, retail parks and business parks around Clerkenwell, Roman Way Industrial Estate among them, are all within reach. To start, just give us a call on 01277 525 020 or email a schedule or drawings with the unit, the joints involved and your access times.
Can you seal car park deck joints?
Yes, we do. Tyre loads, grit and de-icing salts make these some of the hardest joints to keep sealed and broken edges are flagged before sealing.
Will you come and look before quoting?
It depends on the job. Simple work can often be priced from photos, while larger or less clear jobs get a site visit first.
Do your applicators hold CSCS cards?
Yes. We use CSCS-carded applicators, as many construction sites ask for.
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.
What’s the quickest route to 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.
How the quote is worked out
What shapes the price:
- Specialist products, such as fire-rated or hygienic sealants
- Whether the work must be split into stages
- How much existing material needs removing
- Travel to remote or island sites
Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well, along with the time of year for external work.
Details that help us quote
The more we know, the firmer the quote. Helpful details to send:
- Whether the building will be occupied during the work
- Drawings or a marked-up plan, if available
- Your programme or deadline
- A wide shot and a close-up of the area
We quote a fixed sum against the scope you give us, so the cost is agreed before work starts. To start the process, phone 01277 525 020 or use the quote form.
Warehouse floors and decks around Clerkenwell
Basement car parks and service yards in London tend to be in use all working day, so joints are sealed in sections with each area handed back once cured. Less than 3 miles from Clerkenwell there are at least three named estates and business parks. That puts plenty of warehouse floors, service yards and car parks close by, all with joints under traffic.
For an occupier at a site such as Roman Way Industrial Estate, which lies north of Clerkenwell, the joints at loading doors and dock levellers normally see the hardest wear. Centres like Brunswick Centre, 0.9 miles to the west of Clerkenwell, have mall floors and service decks whose joints carry steady traffic.
Clerkenwell is about 2 miles north of London, in Greater London. Our applicators travel to Clerkenwell for work on movement joints, handled exactly as we handle every other area. Our Greater London coverage takes in 764 places, from busy centres to rural villages.
If you need expansion joint sealing in N1, EC1V and WC1X, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. If your site is on Long Lane, City Road and Noel Road or close by, send details and we will quote for movement joints. Being close to the A1 and A5201, Clerkenwell is easy to get to with materials and equipment. We also cover Farringdon (1 mile south), Angel (1 mile north), Smithfield (1 mile south), Holborn (1 mile south-west) and St Pancras (1 mile west). A short drive away, we cover Kensington (5 miles south-west), Walthamstow (5 miles north-east), Hampstead (4 miles north-west), Ruislip (14 miles west), Brompton (3 miles south-west) and Stockwell (4 miles south).
Around Clerkenwell
We work on buildings around Barts Health Archives, The Sekforde pub and Elizabeth Garrett Anderson School and the streets around them. Also close by are Tech City College (less than half a mile north-east) and King Square Gardens (less than half a mile north-east). Clerkenwell has its own railway station: Farringdon station. A little further out are Brunswick Centre (0.9 miles west) and Montfichet's Tower (0.9 miles south). The countryside around Clerkenwell includes St. James's Park Lake and Ludgate Hill.
What we’re called out for in Clerkenwell
The edges of the material can fail rather than the sealant. Weak or crumbling concrete, brick or render edges give the sealant nothing sound to grip.
What tends to prompt an enquiry:
- Expansion joints split through the centre of the bead
- Brittle, chalky sealant on external joints
- Water getting into the wall through a failed joint
- Sealant pulling off the joint face
Another example is Grand Vitesse Industrial Estate, which lies south of Clerkenwell, where floors and yards would be done in stages around the occupiers.
Before you book anyone
- Which product they’ll use, and why it suits the joint
- Will RAMS and insurance details be available?
- Their plan for phasing and protecting the area
- Who will actually carry out the work