Greater London · England
Remedial sealant & repairs in Bow, Greater London
Removing failed, mouldy or leaking sealant and putting it right for Bow, backed by a 12-month guarantee. Call for a quick quote.
- Dark patches showing through the sealant
- Floor or wall movement joints that have failed
- A shower that leaks however often it’s resealed
Remedial sealant in Bow, done properly
Two decades of sealant work means we recognise most failures quickly. We are fully insured ARBOMaster approved applicators, and remedial work carries our 12-month guarantee. If you are dealing with sealant that came away because the surface wasn’t prepared and over-sealed joints coming away, we can help.
London’s water is hard, so limescale builds up along sealant lines, in grout and on fittings. In Bow, remedial sealant is as much about a room looking cared for as about keeping water out.
All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.
- Location
- Bow (E3)
- Region
- Greater London
- Guarantee
- 12 months on all our work
- Quote
- A clear price before work begins
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
Surface by surface
Movement & expansion joints
Some movement joints have been filled with mortar or grout. Where it can be raked out, we replace it with flexible sealant.
Leaking trays & enclosures
A cracked tray, failed valve or leaking waste needs a different fix. We’ll tell you what we find.
Why it’s worth doing now in Bow
A joint that has failed twice will fail again unless the cause is dealt with. Taking time to find the cause, whether it’s movement, a leak or the wrong product, is what stops it happening again. In a London flat, a failed joint rarely stays your problem alone: water can reach the neighbours below, and gaps in fire-rated joints affect the whole building.
The cost depends on how much there is to do, how hard the old material is to remove and access to the work. You will have a clear quote before any work starts.
Why book with us
- 20+ years of sealant experience
- Anti-fungal silicone where joints get wet
- We leave the area clean and tidy
- We’re fully insured
When it isn’t the sealant
We will always be straight with you, so here’s what sealant cannot fix:
- Tiles that have come away from the wall
- A tray or bath that is cracked
- Plumbing leaks behind walls or under trays
If you’re not sure, just phone 0345 464 0079 or send us an email and we will give you a straight answer.
Surfaces we seal
- Shrunken worktop sealant
- Mouldy bath & shower sealant
- Botched or over-sealed joints
- Leaking tray & enclosure joints
- Failed movement joints
- Expansion joints
Should I try it myself first?
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
A DIY attempt doesn’t rule out a professional job. We cut it out and start again.
Remedial sealant in Bow: local notes
London has hard water, which leaves limescale on sealant, grout and taps, and it has to be cleaned off before new sealant goes in. There are hotels and other places to stay in and around Bow. As well as homes, we work in hotel bathrooms, where resealing and regrouting can be done room by room.
For landlords with property near Hackney Wick station, failed or mouldy sealant is worth putting right between tenancies, before it turns into a leak. If you look after a building such as Old Ford Primary - A Paradigm Academy, we reseal washrooms and kitchens in schools and businesses as well as homes.
Bow is about 1 mile south-east of Hackney, in Greater London. Across the E3 area, our applicators can take on remedial sealant. Bow is one of 764 towns and villages in Greater London we cover for remedial sealant.
Work in E3 is quoted and booked the same way as anywhere else. That includes homes and businesses on Trellis Square, Sheffield Square and Bromley High Street. Main roads around Bow include the B142, so getting to you is simple. We also cover Donnybrook Quarter (1 mile north), Old Ford (1 mile north-east), Mile End (1 mile south), Fish Island (1 mile north) and Bromley (1 mile south-east). We also work in nearby towns such as London (4 miles south-west), City of Westminster (6 miles west), Marylebone (5 miles west), Kensington (8 miles west), St Pancras (4 miles west) and Walthamstow (4 miles north).
Local landmarks in Bow
Locally, jobs take us to homes and businesses close to Lord Tredegar Public House, Grove Hall Park and Mulberry UTC and the streets around them. The nearest railway station is Hackney Wick station, about 0.9 miles north. Other landmarks nearby include V&A East (0.9 miles north-east) and St Clement's Hospital (less than half a mile south). The countryside around Bow includes Hollow Pond and Old Ford Island.
How it works
You don’t need to clear the whole room or building, just the space around the work. Everything nearby is protected, and the work takes a few hours, depending on how many layers have to come out in most cases. In Bow, flats, stairs and shared entrances are part of the routine. Mention any building rules, key holders or managing agents when you book.
- Surrounding tiles, trays and frames are protected first.
- Every layer of failed sealant is stripped out.
- We clean and degrease the joint and look for signs of movement or water.
- Once dry, a suitable sealant is applied and tooled.
- You get the cure time and our view on why the joint failed.
Preparing for the visit
- Mention any sign-in or site rules at work premises
- Mention if the joints have been sealed before
- Keep pets and children clear of the area while we work
How to get a quote
Getting a quote is simple: tell us what needs doing and where. Photos by email help us understand the job, and we will take it from there.
Advice
Towns and villages near Bow
Also in Bow
Keeping the joints in good condition
Aftercare is simple, and it makes a real difference:
- Keep the room well ventilated
- Keep an eye on the ceiling below the bathroom
- Do not add new sealant on top of old
- Ask why a joint failed before redoing it
Give the new sealant its full cure time: generally around 24 hours, or as long as we advise.
If a joint has failed more than once, stop resealing it. Have someone find out why, otherwise the next attempt will fail too.
What we are called out for in Bow
Joints that move need sealant that can stretch. Flexing baths, rocking trays and building movement joints split any bead that is too stiff or too thin.
Look out for these signs:
- Decorators’ caulk around a bath or shower
- Kitchen joints letting water behind the worktop
- Movement joints that have split or pulled away
- Beads that never stuck properly
For an older house near a landmark such as St Paul Old Ford, walls and floors in older homes can move, and sealant and grout show it first.
Comparing quotes
- How much experience the applicator has
- Whether they seal over old material or remove it
- How the joint is cleaned and prepared
- When the joint can take water or movement
Questions from Bow
Can worn sealant in a flat in Bow cause a leak downstairs?
Yes. In a flat, water from a failed bath or shower seal has only one way to go, and that is down. A proper reseal before the leak starts is the easy fix.
Do you work for landlords with property near Hackney Wick station?
Yes, we work for landlords and letting agents. You can phone 0345 464 0079 or drop us an email with the address and a few details, and we’ll give you a fixed price before we start.
Do you offer different sealant colours?
Generally, yes. Sealants come in white, clear, grey and other colours for many products, and we agree the colour with you before we start.
Is remedial work guaranteed?
Yes. You get our 12-month guarantee.
Will it make a mess?
No. The area is protected while we work and cleaned up afterwards.
How long before the joint can be used?
It depends on the product and the temperature. Before we leave, we will tell you the cure time.
Someone resealed my shower and it’s leaking again. Can you help?
Yes. First we check whether the leak is the sealant at all, then the joints are stripped and resealed.
Do you remove the old sealant?
Yes, every time. New silicone does not stick to old silicone, so any old material comes out before anything new goes in.