
Expansion Joint Sealing in Kentish Town
Our CSCS-carded applicators take on expansion and movement joint sealing in walls, decks and floors in Kentish Town. Send photographs or drawings for a fixed quote.
- Damp inside where a wall movement joint has failed
- Weathered movement joint sealant that no longer flexes
- Debris jammed in movement joints
Expansion joint sealing in Kentish Town
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Expansion joint sealing in Kentish Town
Every structure moves a little, all the time: they expand in the heat, shrink as they dry, and shift under load. Movement joints are where that movement is absorbed and the seal across each one keeps out water and grit. Mastic Doctor reseals movement joints in brickwork, blockwork, concrete, cladding and floors for buildings in Kentish Town. We work on car park decks and ramps, cladding panel joints and brickwork movement joints, and what we are called in for most is previous reseals laid over old sealant and water dripping through deck or ramp joints. Whoever orders the work in Kentish Town, the brief is usually the same: a fixed quote, no surprises on site and a 12-month guarantee behind the result.
London’s floor joints are concentrated in warehouses and trade units, car parks, podiums and decks. In Kentish Town, as everywhere in London, access, loading and the ULEZ all come into the plan.
Whoever the client is, the cover is the same: a 12-month guarantee on our workmanship. Faults in the structure, damage and other trades’ work fall outside it, and we say so plainly.

- Location
- Kentish Town (NW5, NW1, NW3)
- Region
- Greater London
- Cover
- A 12-month guarantee
- Quote
- Fixed quote, scope in writing
- Telephone
- 01277 525 020
- Page updated
- 3 November 2026
Quoting for work in Kentish Town
Quotes vary with the job. It mainly depends on:
- Site requirements such as inductions and permits
- How accessible the joints are
- Travel to remote or island sites
- The size and state of each joint
The price depends on how many linear metres there are, how much old material needs removing and the access. Call for a quote when you’re ready.
Sending details for a quote
The more we know, the firmer the quote. Helpful details to send:
- The postcode of the building
- Photos of the joints, close up and from further back
- Anything awkward about access or site hours
- What the building is and how it’s used
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.
When to call us in Kentish Town
Three-sided adhesion is a common cause of early failure. Sealant fixed to the base and sides can’t flex, so it tears.
What tends to prompt an enquiry:
- New sealant over old, now failing
- Expansion joints filled with dirt and stones
- Sealant peeling off one face of the joint
- Weathered movement joint sealant that no longer flexes
Retail centres such as O2 Centre (to the west of Kentish Town) have floors, service yards and car parks with joints under constant traffic.
What your quote should include
- Do they follow the manufacturer’s priming guidance?
- Health and safety accreditation such as CHAS
- Is the sealant right for the movement and the substrate?
- What level of public liability insurance do they hold?
Also near Kentish Town
Also in Kentish Town
Why act early in Kentish Town
On a car park, resealing joints in phases keeps the deck open. Work can be planned so parts of the deck stay open without shutting the whole car park. Tell us what has to stay open and we’ll plan around it. In a London building, a failed joint rarely affects only one party: water travels through shared structures, and a small leak becomes a dispute between occupiers. Dealing with it early is simpler for everyone.
Larger quantities, tricky access or phasing all shape the price. So do site requirements such as inductions and permits, along with the time of year for external work.
Why choose Mastic Doctor in Kentish Town
- Public liability insurance in place
- A Constructionline member, so easy to vet
- Sealing commercial buildings since 2005
- A range of standard colours, depending on the product
Take a look at what affects the cost or our accreditations and insurance.
From enquiry to sign-off
Where the site stays busy, the work is phased so only one area is out of use at a time. Each section is protected, cleaned back and sealed, then reopened once the sealant allows before the next one starts. The ULEZ covers the whole of Greater London, and parking near a job is rarely simple. If there’s a loading bay, a car park or a permit we can use, tell us when you send 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.
- Old sealant and debris are cut out of every joint.
- Any broken arrises or friable edges are flagged before work goes further.
- The right sealant goes in at the right depth, bonded to the two sides only.
- Each area is handed back after its cure time, under our 12-month guarantee.
Preparing the site
- Explain the parking and delivery arrangements
- Point out any areas we must not close
- Tell us what induction or permit system the site runs
Get a fixed quote
Let us know the site, the scope and your timescale, and we’ll put a fixed quote together. To get it moving, call the office on 01277 525 020 or send details through our quote form.
Advice
When it isn’t the sealant
Before quoting, we check that sealant is the right answer. It won’t put right:
- Mechanical expansion joint covers, cover plates or proprietary joint systems (a specialist supplier’s job)
- Movement on a scale no sealant is meant to absorb
- A joint that has to be widened or re-detailed before it can work
If in doubt, give us a call on 01277 525 020 or use the quote form and we will say what we think.
Surfaces we seal
- Brickwork movement joints
- Car park decks and ramps
- Cladding panel joints
- Podiums and floor movement joints
- Blockwork control joints
- Precast concrete panel joints
Looking after the joints
To get the most from the new sealant:
- Treat a small split as a warning, not a cosmetic issue
- Leave barriers in place until fresh joint sealant has cured
- Inspect exposed joints once the cold weather has passed
- Keep product details with the building records for the next reseal
Snow ploughs and scrapers catch on joint lines. Raising blades over joints where possible protects the seal, and it’s worth checking joints once the cold weather has passed.
A failed deck joint lets water straight through to the level below. Salty water dripping through stains soffits and lands on parked vehicles. Resealing early limits the damage.
Expansion joint sealing in Kentish Town: the local picture
Few London car parks or loading bays can be taken out of use for more than a short spell, which is why we work a few bays at a time. At least three named trading, business or retail sites lie within about 3 miles of Kentish Town. Floors, loading bays and yards on sites like these are where floor and movement joints work hardest.
On a site such as Regis Road Business Park (under half a mile north of Kentish Town), the movement joints are in car park slabs, paving and building elevations. For an estate such as St. Pancras Hospital, 0.9 miles south-east of Kentish Town, the joints in ramps, decks and long building elevations all need attention over time.
Kentish Town is about 2 miles east of Hampstead, in Greater London. Our applicators travel to Kentish Town for work on movement joints. Kentish Town is one of 764 places in Greater London on our list.
Postcode districts covered here: NW5, NW1 and NW3 for movement joints. For a building on Eton Road, Oval Road and Regal Lane or nearby, we can quote for movement joints. Sites close to Kentish Town are covered too, including Chalk Farm (1 mile west), Camden Town (1 mile south-east), Gospel Oak (1 mile north), Primrose Hill (1 mile south-west) and Agar Town (1 mile south-east). A short drive away, we cover London (4 miles south-east), Kensington (4 miles south-west), Shoreditch (3 miles south-east), Walthamstow (6 miles north-east), Hoxton (3 miles east) and Whitechapel (4 miles south-east).
What’s near Kentish Town
We work on buildings around Primrose Hill, Haverstock School and North Bridge House School and the streets around them. You will also find The Hawley Arms (less than half a mile south) and Vaughan Williams Memorial Library (0.5 miles south). Kentish Town has its own railway station: Kentish Town West station. Other landmarks nearby include O2 Centre (1.6 miles west) and Montfichet's Tower (2.9 miles south-east). Green spaces nearby include The Long Water and Primrose Hill.
FAQs: Kentish Town
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. The ULEZ covers the whole of Greater London, which we allow for
Can you work on a hospital site such as St. Pancras Hospital?
Yes. Healthcare sites are among the places we work. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.
Can you send site paperwork?
Requirements differ from site to site, so tell us what you need and we will confirm it when we quote.
What sealant do you use in movement joints?
It depends on the movement, exposure and traffic. Facades often take a low-modulus silicone; floors and decks usually need a polyurethane, and the specification has the final say.
Is movement joint sealing guaranteed?
The 12-month guarantee applies to the workmanship. Tell us straight away if a joint we sealed gives trouble in that time.
Can staff carry on working while you are here?
Normally, yes. Phased work can be planned so areas stay in use, with each area protected and signed.
What’s the quickest route to a quote?
It works in four steps: send details, get a quote, we seal, guaranteed. Step one needs little more than photographs and a postcode.