Expansion and movement joint sealing in Nunhead, Greater London
Our CSCS-carded applicators take on expansion and movement joint sealing in walls, decks and floors in Nunhead. Send photographs or drawings for a fixed quote.
- Leaks through car park deck joints onto the level below
- Expansion joints filled with dirt and stones
- Layers of sealant in a movement joint
Expansion joint sealing for Nunhead sites
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
How we handle expansion joint sealing in Nunhead
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 can’t close properly and its edges begin to crumble. Dealt with early, it stays a sealant job rather than a concrete or masonry repair. We work on cladding panel joints, precast concrete panel joints and car park decks and ramps, and the failures we’re asked to look at most are expansion joints split through the centre of the bead and new sealant over old, now failing. For commercial sealant work in Nunhead, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.
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 stand by our work with a 12-month guarantee. That covers our preparation and application.
- Where
- Nunhead (SE15, SE4, SE14)
- Wider area
- Greater London
- Cover
- 12 months on every job
- Price
- Quoted before any work starts
- Call
- 01277 525 020
- Last updated
- 3 November 2026
Warehouse floors and decks around Nunhead
In London, decks, bays and service yards usually have to keep running, which is why we work a few bays at a time. Less than 3 miles from Nunhead there are at least three named estates and business parks. Floors, loading bays and yards on sites like these are where floor and movement joints work hardest.
For estates staff at a university like King's College London (1.8 miles west of Nunhead), building and paving joints are part of the planned maintenance list. Hospital campuses such as University Hospital Lewisham, 1.5 miles to the east of Nunhead, grow in stages, leaving movement joints wherever new blocks meet old.
Nunhead is about 1 mile south-west of New Cross, in Greater London. Anywhere in SE15, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. Nunhead is one of 764 places we cover in Greater London for movement joints.
Anyone looking for expansion joint sealing in SE15, SE4 and SE14 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 Rye Road, Nash Road and Kitto Road. We also cover Telegraph Hill (1 mile north-east), Honor Oak (1 mile south), Peckham (1 mile north-west), New Cross (1 mile north-east) and Brockley (1 mile south-east). Bigger towns within reach include London (3 miles north-west), City of Westminster (6 miles north-west), Marylebone (6 miles north-west), Kensington (7 miles west), St Pancras (5 miles north-west) and Shoreditch (5 miles north).
Local landmarks in Nunhead
In Nunhead, that means premises near The Ivy House, Peckham Rye and Allenby Tutorial Trust, among other places. There’s a railway station in Nunhead itself: Nunhead station. Nearby you’ll also find Greenwich Castle (2.4 miles north-east) and Lewisham Shopping Centre (1.7 miles east). For a walk, there’s Knight's Hill and One Tree Hill.
Also near Nunhead
More services for Nunhead
Why act early in Nunhead
Leaving a failed movement joint rarely stays a small problem. Grit and water fill the gap and the material either side breaks up. Resealing early keeps the work to sealant. Access in London is hard enough to arrange once, so it makes sense to deal with every failing joint while access is in place.
We don’t publish prices, since every building and every scope is different. Call for a quote and we’ll price your job on its own details.
Why us?
- Clear, fixed quotes
- Joints cleaned back to sound surfaces
- Specification-led, product-correct work
- Standard and matched colours in many product ranges
Take a look at our cost guide or how we’re accredited.
How the job changes by surface
Car park decks and ramps
Water coming through deck joints is the usual first sign. The old seal comes out, the edges are prepared and the joint resealed, and we will tell you if any edges need repairing first.
Concrete and precast panel joints
Concrete edges can be weak or carry release agents that stop adhesion. Proper cleaning and primer where specified give a sound bond, so the new seal holds.
What we’re called out for in Nunhead
Sun, rain and frost age external movement joints. In time the bead chalks, stiffens and cracks and opens at the next temperature swing.
Typical triggers for a call:
- Damp inside where a wall movement joint has failed
- Torn sealant in brick or block movement joints
- Debris jammed in movement joints
- Layers of sealant in a movement joint
If you manage units on an estate such as Goose Green Trading Estate, which lies west of Nunhead, the floor joints under forklifts and pallet trucks and the slab joints in the yard are the ones to watch.
What your quote should include
- Whether primer will be used where the manufacturer specifies it
- Is the sealant right for the movement and the substrate?
- Their approach to joint depth and backing
- Are they CHAS accredited or on Constructionline?
Owners, agents and contractors
If you look after buildings for someone else, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative, plus a 12-month guarantee.
Whether you’re a managing agent, a property factor or an owner’s representative: send details, get a fixed quote, we seal, guaranteed. We can agree access arrangements and keyholder contacts beforehand.
General trades versus a specialist
There’s also the paperwork. Many sites expect CSCS cards, RAMS and proof of insurance, and our CSCS-carded applicators are used to working under those rules.
For most general trades, sealant is a sideline. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint.
Questions we’re asked in Nunhead
Will you take on work at estates like Goose Green Trading Estate, close to Nunhead?
Yes, sites like Goose Green Trading Estate are within our area, along with the rest of Nunhead. A few photos and the unit address let us price the work.
Do you work in London buildings with loading restrictions?
Yes. Inductions, permits and timed loading are routine for us in London. Share the building’s contractor rules and we will work to them. We allow for the ULEZ, which covers every borough
What exactly is a movement joint?
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.
How do you deal with asbestos in old sealant?
Managing asbestos is the dutyholder’s responsibility, so we’ll ask for the register before work on an older building. Work pauses if suspect material is found, until it has been tested.
Can you work while the building is occupied?
Normally, yes. We phase the work so most of the building stays in use.
Does the weather affect the work?
It can, for external work. Sealant won’t bond properly to a wet or frosty joint, so external work may be moved if conditions aren’t right. Internal work is far less affected.
What about RAMS and site documents?
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.
How a job runs
Diagnose, treat, sign off: that’s the shape of every visit. We inspect the joints and confirm what’s in scope, then the work is carried out to the specified product and detail, and the job ends with a walk round and sign-off. Most London premises stay occupied while we are on site, so we agree zones and timings with the building or facilities manager. Phased work keeps the rest of the building in use.
- We start with photographs, approximate lengths and any drawings, visiting where needed.
- Joint widths and expected movement are checked against what the sealant can take.
- Every joint is cleared of the failed seal and any grit packed into it.
- Edges are checked, and we tell you if any need repairing before sealing.
- The right sealant goes in at the right depth, bonded to the two sides only.
- Areas reopen once cured, and the work carries our 12-month guarantee.
Preparing the site
- Point out any areas we must not close
- Make sure the joints can be reached
- Let building users know which areas are affected
Get a fixed quote
Photos, drawings or a schedule of the joints and a fixed quote comes back to you. Where a site visit makes more sense, we will arrange one.