Expansion and movement joint sealing in Broad Green, Greater London
Planning work on a movement joint in Broad Green? We assess it, carry out the work and guarantee our workmanship for 12 months.
- Torn sealant in brick or block movement joints
- Expansion joints filled with dirt and stones
- New sealant over old, now failing
Expansion joint sealing near Broad Green
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
How we handle expansion joint sealing in Broad Green
Long runs of brick or block have movement joints built in that most people only notice when the sealant has gone. Failed sealant here lets rain into the wall and can leave the joint full of debris. The old seal is cut away, backing rod goes in at depth, and a low-modulus masonry sealant is gunned and tooled. We work on car park decks and ramps, podiums and floor movement joints and precast concrete panel joints, and the usual reasons a site gets in touch are rain penetration at brick or block movement joints and sealant peeling off one face of the joint. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, the work in Broad Green is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.
Distribution and trade units on London’s edges, and deck car parks across the city, hold most of its floor and slab joints. In Broad Green, as everywhere in London, access, loading and the ULEZ all come into the plan.
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.
- Where
- Broad Green (CR0, CR7, CR90)
- Wider area
- Greater London
- Guarantee
- 12 months on every job
- Quote
- Quoted before any work starts
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
Surface by surface
Car park decks and ramps
Deck and ramp joints take tyre loads, grit and de-icing salts. A trafficable sealant suited to the movement goes in.
Internal floor movement joints
Wheeled traffic chips floor joint edges that aren’t supported. The right filler or sealant for the traffic and movement protects them, and tell you if edges need repairing first.
After the work
Sealant joints are maintenance items, and their life depends on movement, exposure, cleaning and use. Our advice:
- Include every elevation and deck joint in periodic inspections
- Inspect exposed joints once the cold weather has passed
- Keep product details with the building records for the next reseal
- Treat a small split as a warning, not a cosmetic issue
Keep wheels, feet and water off new joints until the sealant has cured. How long that takes depends on the product, the temperature and the depth of the joint and we will tell you when each bay or area can reopen. Barriers left in place until then protect the finish.
An open joint fills with grit, and a joint full of grit can’t close. The edges then take the pressure and start to spall and the reseal becomes an edge repair as well. A sound seal keeps the joint working.
Your questions answered
Is a hospital such as Croydon University Hospital somewhere you can work?
Yes, provided the work is planned with the site’s estates team. Each area is agreed with the ward or department and the estates team in advance.
Is Pilton Industrial Estate, near Broad Green, within your area?
Yes. Our area takes in Broad Green and its surroundings, with estates and business parks such as Pilton Industrial Estate included. A few photographs and the unit address let us price the work.
Do you work to architects’ specifications?
Yes. Send it with your enquiry, and the quote will be based on it, flagging anything that needs clarifying.
Can you fit around our working hours?
Mention the site’s hours and access windows in your enquiry, and we will schedule the work to suit. Our office runs Monday to Friday, 8am until 5pm.
Are you CHAS accredited?
Yes. We’re CHAS accredited and a Constructionline member.
Do you take on multi-site work?
Yes. We take on portfolio and planned maintenance work, with each site phased to suit its occupants.
Will you quote for a small job?
Small jobs are welcome alongside larger packages. Photos and a description are enough to start.
What we are called out for in Broad Green
When the movement exceeds the sealant’s capability, the bead tears. Cohesive failure, a split through the centre, typically means the joint or product wasn’t right for the movement. The same product in the same joint tends to fail again.
Clients usually get in touch after noticing one or more of the following:
- Damp inside where a wall movement joint has failed
- Sealant pulling off the joint face
- Layers of sealant in a movement joint
- Brittle, chalky sealant on external joints
Schools like Elmwood Infant School often have long brick elevations with movement joints that age quietly.
Questions to ask before you book
- How they handle RAMS and site documents
- Will failed sealant be removed rather than covered?
- The terms of the workmanship guarantee
- Whether their applicators hold CSCS cards
Diagnose, treat, sign off
A typical day starts with protection: masking tape along the joint edges and sheeting over anything nearby. On site, the work usually takes a few hours to several weeks, depending on how many metres of joint there are and how much old sealant or filler needs removing, and we clear our waste as we work. Most London premises stay occupied while we’re on site, so zones and timings are agreed with whoever manages the building. Phased work keeps the rest of the building in use.
- We assess the joints on site or from photographs, noting widths and how each has failed.
- A fixed quote names the sealant we propose and its movement class.
- Phasing is agreed so decks, floors or entrances can stay in use where needed.
- We strip the old sealant or filler and prepare each face until it’s sound and dry.
- Depth is controlled with backing, the faces are primed where the maker calls for it, then the bead is laid and tooled.
- We check each joint with you, confirm the cure time and sign off under our 12-month guarantee.
Getting the site ready
- Agree which areas must stay open
- Move anything stored against the joints
- Explain the parking and delivery arrangements
Getting a fixed quote
Quotes are fixed against the scope you send, so the cost is agreed before work starts. To start the process, call 01277 525 020 or use the quote form.
Advice
Nearby places to Broad Green
More services for Broad Green
Slabs, ramps and loading bays in Broad Green
Broad Green has at least three named business or industrial parks inside a 3-mile radius. Their warehouses, yards and car parks are exactly where joints take the most punishment. Basement car parks and service yards in London tend to be in use all working day, so we seal in sections and hand areas back as each cures.
A healthcare site such as Croydon University Hospital (under half a mile north-west of Broad Green) depends on car parks, ramps and service yards whose joints take traffic all day. Warehouse floors on estates like Pilton Industrial Estate (to the south of Broad Green) carry pallet trucks and forklifts over every saw-cut joint.
Broad Green is about 6 miles south of Stockwell, in Greater London. Anywhere in CR0, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. Broad Green is one of 764 places in Greater London on our list for movement joints. London is covered too, around 8 miles from Broad Green.
Anyone looking for expansion joint sealing in CR0, CR7 and CR90 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. Buildings on York Road, Nova Road and Lion Road are within our area. We also cover Old Town (1 mile south), Beddington (2 miles south-west), Waddon (2 miles south), Bandonhill (2 miles south-west) and Wallington (2 miles south-west) for movement joints. Nearby towns on our patch include London (8 miles north), City of Westminster (9 miles north), Marylebone (9 miles north), Kensington (9 miles north-west), St Pancras (10 miles north) and Shoreditch (10 miles north).
What’s near Broad Green
Locally, jobs take us to sites close to Harris Invictus Academy Croydon, The Half Moon pub and Waddon Ponds, among other places. The nearest railway station is West Croydon station, about 0.6 miles south of the centre. Nearby you will also find Centrale Croydon (0.8 miles south) and Croydon University Hospital (less than half a mile north-west). For a walk, there’s Duppas Hill and Biggin Wood.
When something else is needed
Part of a good diagnosis is knowing where sealant stops. You’ll hear from us if the cause turns out to be one of these:
- Mechanical expansion joint covers, cover plates or proprietary joint systems (a specialist supplier’s job)
- Concrete or masonry repairs along the arrises
- Waterproofing layers buried beneath the sealant
If you are not sure, just ring 01277 525 020 or use the quote form and we will give you a straight answer before you book.
Joints and surfaces we work on
- Podiums and floor movement joints
- Cladding panel joints
- Precast concrete panel joints
- Car park decks and ramps
- Brickwork movement joints
- Blockwork control joints
When to bring in 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.
Certain joints really need a specialist: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. A poor seal in places like these tends to cost more to put right later.