Greater London · England
Hainault Remedial Sealant
Our applicators work in Hainault on removing failed, mouldy or leaking sealant and putting it right. Old sealant removed completely, joints prepared properly and a one-year guarantee.
- Over-sealed joints coming away
- Caulk or the wrong sealant used in a wet area
- Mould trapped under a layer of silicone
Remedial sealant in Hainault, done properly
Getting old sealant out properly is slow, careful work. We cut out every layer, clear the residue and degrease the surfaces, taking care not to scratch the surfaces around it. Only then can new sealant bond. We work on leaking tray & enclosure joints, botched or over-sealed joints and failed movement joints, and common reasons people get in touch are decorators’ caulk around a bath or shower and gaps opening along the back of the worktop. As specialist sealant applicators, we take on remedial sealant and every other kind of sealant job in Hainault.
London homes include a lot of flats, conversions and mansion blocks, and many bathrooms sit right above someone else’s ceiling. That makes worn sealant and cracked grout in Hainault more than a cosmetic job.
We stand behind the work with a 12-month guarantee, so you are covered after we’ve gone.

- Location
- Hainault (IG6, IG7, IG8)
- Region
- Greater London
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Telephone
- 07833 053749
- Last updated
- 26 October 2026
Leave it or put it right?
Hidden water does the most damage: soaked floorboards, ceiling stains below and blown plaster. By comparison, sorting the joint is quick. In London conversions, one flat’s bathroom is often above another flat’s ceiling, so a small leak from tired sealant can mean a neighbour’s ceiling and a lot of disruption. Putting it right early is much less trouble for homes in Hainault.
Every job is a little different, so each one gets its own quote. Size, access and the product the joint needs all make a difference.
Why Hainault clients choose us
- Trusted Arbo and Everbuild sealants
- We leave the area clean and tidy
- You choose the colour before work begins
- Full insurance on every job
DIY sealant or a professional job?
Sealing over old silicone is the commonest DIY error. Silicone does not stick to old silicone, so it lifts and traps water and mould underneath. All the old material has to come out first.
What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions.
When it is not the sealant
Honest advice matters more to us than a booking, so here’s what new sealant will not do:
- Movement from fittings that aren’t supported
- A cracked shower tray or bath (that needs repair or replacing)
- Older mastics that may need an asbestos check before removal
If you’re not sure, just phone 07833 053749 or send us an email and we’ll give you a straight answer before booking.
What we seal
- Leaking tray & enclosure joints
- Expansion joints
- Botched or over-sealed joints
- Shrunken worktop sealant
- Mouldy bath & shower sealant
- Failed movement joints
How it works
Good joint work is mostly preparation, and we do not rush it. Joints are cleaned back and dried before anything new goes in. In total, it usually takes a few hours, depending on how many layers have to come out. In Hainault, 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.
- Mould is treated and the joint dried.
- We reseal with a product suited to the joint, backed where needed.
- We finish neatly and point out anything that needs another trade.
How to prepare
- For indoor joints, keep the area dry beforehand if you can
- Plan for the work area to be out of bounds to pets and children
- Clear the area around the work
Ask for a quote
If you’re in Hainault and need remedial sealant, call 07833 053749 or email us. A short description of the job and where it is helps us quote, and you will get a clear quote before work begins.
Related advice
Remedial sealant around Hainault
In a London flat, water from a failed bath or shower seal can reach the neighbours below, so tired sealant is best dealt with early. London’s water is hard, so limescale builds up on sealant, grout and fittings.
As a London address, Hainault can be tricky for parking: let us know about parking bays, permits or a driveway. For landlords with property near Seven Kings station, a joint that keeps failing is best fixed properly while the property is empty.
Hainault is about 2 miles east of Woodford, in Greater London. For remedial sealant in and around Hainault, please call 07833 053749 or email us for a quick quote. We are based in Crawley and cover Greater London, Hainault included. Hainault is one of 786 towns and villages in Greater London we cover.
Every address in IG6, IG7 and IG8 is within our area for remedial sealant. Local streets include Hughes Road, Neville Road and Addison Road, and we cover them all. Neighbouring places we cover for remedial sealant include Chigwell (1 mile north-west), Woodford Bridge (1 mile west), Woodford Wells (2 miles west), Woodford (2 miles west) and Buckhurst Hill (3 miles north-west). We also work in nearby towns such as London (11 miles south-west), City of Westminster (12 miles south-west), Marylebone (12 miles south-west), Kensington (14 miles south-west), St Pancras (10 miles south-west) and Shoreditch (9 miles south-west).
What’s near Hainault
Around Hainault, our work takes us to homes and buildings near Fairlop Waters, Kantor King Solomon High School and The New Fairlop Oak pub and the streets around them. The nearest railway station is Seven Kings station, roughly 2.8 miles south. Other landmarks nearby include Claybury Hospital (0.8 miles west) and Redbridge Museum (3.2 miles south). Open spaces near Hainault include Hainault Lodge and Highams Park Lake.
For landlords and businesses
From a single let to a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we’ll give you a quote.
Common problems we fix in Hainault
Some joints fail because water is reaching them from behind. A slow leak behind the tiles soaks the joint from the back, so the silicone goes mouldy or lets go.
Signs it’s time to call us include:
- Thick, messy sealant smeared over tiles
- Worktop sealant that has shrunk and split
- Mould trapped under a layer of silicone
- Beads that never stuck properly
If you live in an older home near St Francis of Assisi, timber floors under older bathrooms flex, so joints need a sealant that moves with them.
Questions to ask before you book
- Are they insured?
- How hidden problems are handled
- How long to leave it before use
- Is the old sealant removed completely?
Common questions in Hainault
I let a flat near Seven Kings station. Can you help?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. You can call 07833 053749 or email us with the details for a clear quote.
Can parking be tricky for a visit in Hainault?
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.
Can I choose the sealant colour?
In most cases you can choose. We will tell you which colours the right product comes in.
Can old silicone be taken off without scratching the tiles?
Yes. The old bead is cut and lifted with tools that suit the surface, and the residue is cleaned away. Any existing damage is pointed out before we start.
Which products do you use?
We choose the sealant for the joint, not the other way round. Where it moves, gets wet or faces the weather makes a difference, and we’ll explain our choice.
Does remedial work come with a guarantee?
Yes, with our one-year guarantee. If we have pointed out another problem, getting it fixed helps the new joint last.
Will you leave a mess?
Tidy work is part of the job. We protect what’s around the joints.
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.
Towns and villages near Hainault
Other services in Hainault
What the job involves on each surface
Movement & expansion joints
A movement joint must be able to stretch. Failed sealant is cut out, backing rod or tape is fitted and the joint resealed with a low-modulus product.
Leaking trays & enclosures
When failed joints are the cause, they’re all cut out and renewed, including the screen profile and tray edges.
