Greater London · England
Remedial sealant & repairs in Holborn, Greater London
Removing failed, mouldy or leaking sealant and putting it right for homes and businesses in Holborn and across Greater London. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Kitchen joints letting water behind the worktop
- Movement joints that have split or pulled away
- A shower that leaks however often it’s resealed
Your questions about remedial sealant in Holborn
Do you work for landlords with property near Farringdon station?
Yes, landlords and agents are among the people we work for. Just call 0345 464 0079 or email us with the address and what needs doing, and we’ll send you a clear quote.
Is parking an issue for remedial sealant in Holborn?
London parking needs a little planning, so let us know about permits, bays or a driveway when you book. That way the visit can be planned around it.
Is it worth trying it myself?
You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. If it does not work out, we can redo it.
How long should I leave it?
Many sealants skin over quickly but take longer to cure fully. We will tell you how long to leave the joint before we leave.
Where do you work from?
Our base is Crawley. Our area covers South East England, London and Scotland.
What do you need from me for a quote?
Only a few details: the address or postcode, what’s wrong and any access issues. After that, simply ring 0345 464 0079 or send us an email.
How long does the work take?
It takes a few hours for most joints, depending on how much old sealant has to come out. You’ll know the timing when we quote.
Someone sealed over the old bead. Can you fix it?
Yes. It’s slower than a standard reseal, because every layer has to come out cleanly, but it’s what makes the new bead last.
Remedial sealant in Holborn, done properly
Not every leak is a sealant leak. A cracked tray, a failed shower valve or a leaking waste can look just the same. When the fault is elsewhere, we say so instead of resealing for the sake of it. We work on failed movement joints, expansion joints and leaking tray & enclosure joints, and the jobs we see most are sealant peeling off a dusty or damp surface and repeat leaks from the same joint.
Hard London water leaves limescale on sealant, grout and taps alike. For a bathroom or kitchen in Holborn, getting the joints right keeps water where it belongs and the room looking clean.
We stand behind the work with a 12-month guarantee.
- Place
- Holborn (WC1X, WC1N, EC1R)
- Region
- Greater London
- Guarantee
- 12 months on all our work
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Towns and villages near Holborn
Other services in Holborn
Looking after it afterwards
Joint life depends on how it’s used and looked after. We suggest:
- Have loose fittings fixed before resealing
- Never seal over old silicone
- Run the fan after every shower
- Keep bleach and abrasives off the bead
Watch the joint over the first few weeks, particularly where the original failure was caused by movement. If anything changes, just phone 0345 464 0079 or drop us an email.
Signs to act on: sealant lifting at the ends, a second bead visible on top of the first, black mould under the silicone, or stains below a bathroom. Each one is worth getting looked at.
What remedial sealant looks like in Holborn
London has a lot of flats and conversions, and a failed shower or bath seal in one can show up on the ceiling below, which is why it’s worth fixing early. Holborn has hotels and guest accommodation nearby. Hotel bathrooms are part of our work as well as homes, and can be done room by room.
For site and facilities teams at buildings such as St Alban's Church of England Primary School, its toilets, changing areas and kitchens need their sealant renewed like any other building’s. Holborn is in London, so parking needs planning: let us know about parking bays, permits or a driveway.
Holborn is about 2 miles north-west of London, in Greater London. For remedial sealant in and around Holborn, it’s easy to get a quote: please ring 0345 464 0079 or email us. We are based in Crawley and cover Greater London. Our Greater London coverage runs to 764 places, Holborn among them.
All of WC1X, WC1N and EC1R is covered for remedial sealant, from the main roads to the quietest streets. Local streets include Shoe Lane, Drury Lane and New Square, all of which we cover. Holborn is on the A4 and A40, so it’s easy for us to get to. Close by, we work in Farringdon (1 mile east), St Pancras (1 mile north-west), Clare Market (1 mile south), Smithfield (1 mile east) and Temple Bar (1 mile south). Further out, we also cover Kensington (4 miles west), Walthamstow (6 miles north-east), Hampstead (4 miles north-west), Ruislip (13 miles west), Brompton (3 miles south-west) and Stockwell (4 miles south).
Around Holborn
In Holborn, that means homes and buildings near The Yorkshire Grey pub, British Library of Political and Economic Science and City Academy, among other places. You’ll also find Elizabeth Garrett Anderson School (0.9 miles north) and Lincoln's Inn Fields (less than half a mile south-west). There’s a railway station in Holborn itself: Farringdon station. Other landmarks nearby include Montfichet's Tower (0.7 miles south-east) and Brunswick Centre (0.5 miles north-west). The countryside around Holborn includes Barnsbury Wood and Ludgate Hill.
Different surfaces, different methods
Mouldy bath & shower sealant
Black mould inside the bead will not scrub out. The sealant is cut out completely, the joint treated with a mould remover and dried before anti-fungal sanitary silicone goes in.
Movement & expansion joints
Bonding on three sides is a common reason movement joints tear. Backing rod or bond-breaker tape prevents it, so the sealant grips the two sides only.
Signs you need remedial sealant in Holborn
One of the commonest remedial jobs is sealant on top of sealant. New silicone cannot stick to the old bead, so the new layer peels, and damp and mould settle between them.
Most people get in touch after spotting something like this:
- Sealant peeling off a dusty or damp surface
- Products that weren’t meant for the joint
- A shower that leaks however often it’s resealed
- Movement joints that have split or pulled away
Homes close to St Alban's Church include some older properties, and timber floors under older bathrooms flex, so joints need a sealant that moves with them.
Comparing quotes
- How the colour is chosen
- When the joint can take water or movement
- Are they insured?
- The length of the guarantee
DIY versus a professional finish
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it does not work out, we can still put it right.
What sealant work can’t fix
We will always be straight with you, so here’s what sealant can’t fix:
- Water damage behind tiles that needs a tiler
- A bath, tray or worktop that moves until it’s properly fixed
- Old mastic in a building from before 2000 that should be checked for asbestos before it’s disturbed
Not sure which it is? You can ring 0345 464 0079 or drop us an email and we will tell you honestly before you book.
Joints and surfaces we work on
- Shrunken worktop sealant
- Leaking tray & enclosure joints
- Failed movement joints
- Mouldy bath & shower sealant
- Expansion joints
- Botched or over-sealed joints
What we do, step by step
The work is kept neat and contained to the area we are working on. Expect the work to take a few hours for most joints, depending on how much old sealant has to come out, and we tell you how long to leave it before we go. In Holborn, as in most of London, parking needs a little planning. It helps if you can point us to a visitor permit or a bay close to the door.
- First we work out whether the problem is the sealant, movement or a leak.
- Each layer is cut out and the residue cleaned off.
- We treat any mould and dry the joint thoroughly.
- We reseal with a product suited to the joint, backed where needed.
- The joint is tooled and you are told about anything else we found.
Preparing for the visit
- Clear items away from the joints we’re working on
- Tell us about any water getting in
- Let us know about stairs, lifts or work at height
How to get a quote
We quote each job on its own, so start by telling us what you need. Just phone 0345 464 0079 or drop us an email with the details, and photos are welcome.
Read more
Why act early in Holborn
DIY removal often leaves scratches and a film of residue, and the residue left behind stops the next bead bonding. Careful removal is most of a remedial job. Damp from a failed joint spreads quietly in older London brickwork and timber, and once it shows in Holborn, the repair is bigger than a sealant job.
Leaving a failed joint generally makes the job bigger, not smaller, because water and mould keep working on it. If you’re unsure, phone 0345 464 0079 or email us and we’ll give you an honest view and a quote.
What you get with us
- Sealant colour chosen to suit
- Anti-fungal sanitary silicone in wet areas
- We leave the area clean and tidy
- Colour agreed with you before any work starts
See our cost guide and customer reviews.