Greater London · England
Remedial sealant & repairs in West Green, Greater London
We cover West Green for removing failed, mouldy or leaking sealant and putting it right. Old sealant removed completely, joints prepared properly.
- Over-sealed joints coming away
- Mould trapped under a layer of silicone
- Sealant that came away because the surface wasn’t prepared
DIY sealant or a professional job?
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly.
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Remedial sealant for homes and businesses in West Green
A movement joint stops working when its sealant splits or sets hard. The old sealant comes out and backing goes in to control the depth, then a flexible sealant matched to the movement goes in. We work on failed movement joints, expansion joints and botched or over-sealed joints, and the jobs we see most are repeat leaks from the same joint and thick, messy sealant smeared over tiles.
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 West Green more than a cosmetic job.
The work is covered for a year after we finish. If there’s a problem with it, please ring 0345 464 0079 or drop us an email.

- Place
- West Green (N15, N17, N4)
- Region
- Greater London
- Cover
- One year on every job
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
Keeping the joints in good condition
Simple care keeps the joints in good condition. We recommend:
- Check ceilings under showers for marks
- Keep bleach and abrasives off the bead
- Get the cause of a repeat leak found before resealing
- Act on a lifting corner right away
If we’ve found a cause, such as a loose tray or a leaking waste, get it fixed, or the new joint may fail again.
A failing joint rarely gets better on its own. Every shower or downpour sends more water through, into floors, walls or ceilings. Sorting it early limits the damage.
When to call us in West Green
Sealant needs a clean, dry surface with no grease on it. Soap film, dust, damp or old residue stop it gripping, and the joint starts to come away early.
The most common problems we see are:
- Thick, messy sealant smeared over tiles
- Over-sealed joints coming away
- Mould trapped under a layer of silicone
- Movement joints that have split or pulled away
Homes close to St Philip the Apostle include some older properties, and older homes can move a little, which is hard on rigid grout and tired sealant.
What to look for in a quote
- What insurance they hold
- Which colour the sealant will be
- How the joint is cleaned and prepared
- Whether VAT is included
The process
At the end, we look at the finished work together and explain the cure time. The visit itself normally takes a few hours for most joints, depending on how much old sealant has to come out, depending on the size of the job. In a London area like West Green, the main things to plan are parking and access: tell us about permits, visitor bays or off-street space, which floor we are working on and whether there’s a lift.
- First we work out whether the problem is the sealant, movement or a leak.
- Old beads and residue are removed down to clean surfaces.
- We treat any mould and dry the joint thoroughly.
- The right product goes in, with backing where the joint moves.
- The joint is tooled and you are told about anything else we found.
Preparing for the visit
- Let us know about parking restrictions
- On commercial sites, let us know about site rules
- Let us know about stairs, lifts or work at height
Getting a quote
A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and email photos if that’s easy.
Advice
Remedial sealant in West Green: local notes
London’s water is hard, so limescale builds up on sealant, grout and fittings. West Green has hotels and guest accommodation nearby. Hotel bathrooms are part of our work as well as homes, and can be done room by room.
If you let a flat or house near Seven Sisters station, a joint that keeps failing is best fixed properly while the property is empty. Managing a site like West Green Primary School? Then washroom and kitchen sealant there needs the same care as at home, and schools and businesses are part of our work as well as homes.
West Green is about 2 miles north-west of West Hackney, in Greater London. West Green gets the same service as everywhere we cover: old sealant removed completely, careful preparation and a one-year guarantee. West Green is one of 764 places in Greater London we cover. London is on our list too, around 6 miles away.
All of N15, N17 and N4 is covered for remedial sealant. Whether your property is on Ida Road, Elmar Road and Ripon Road or anywhere close by, our applicators can take on the job. We also cover the places around West Green: Duckett's Green (1 mile north-west), St Ann's (1 mile south-east), Harringay (1 mile south-west), Broadwater Farm (1 mile north-east) and Tottenham Green (1 mile east). Within a short drive, we also cover London (6 miles south), City of Westminster (6 miles south-west), Marylebone (5 miles south-west), Kensington (8 miles south-west), St Pancras (4 miles south) and Shoreditch (4 miles south).
Local landmarks in West Green
Around West Green, our work takes us to homes and buildings near The Queens Head pub, Church of St Andrew and Moselle Upper School, among other places. Other local landmarks include Downhills Park (within half a mile north) and Park View School (within half a mile north). The nearest railway station is Seven Sisters station, about 0.7 miles east of the centre. Other landmarks nearby include Markfield Beam Engine and Museum (1.3 miles east) and Greentrees Hospital (1.7 miles north). The countryside around West Green includes Railway Fields and Hollow Pond.
Also near West Green
More services for West Green
For landlords and businesses
Landlords and letting agents in West Green can book us as well as householders. Resealing between tenancies is a simple way to keep a property in good order before the next move-in.
If you manage several properties in or around West Green, several properties can go on one quote. Just tell us the addresses and what each one needs, and pictures by email help.
What affects the cost of remedial sealant
We quote each job individually. These are the things that affect it:
- How many areas need sealing
- The number and length of the joints
- Whether old sealant or filler has to be cut out
- Which sealant suits the joint
What it costs depends on how much there is to do, how much old material has to come out and access to the work. You will have a clear quote before any work starts, so you know where you stand.
Helping us quote
Photos help, but a description is a good start. Try to tell us:
- The problem you’ve noticed
- Pictures of the joints, sent by email
- How we’d reach the joints
- The rough size of the job
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.
Your questions about remedial sealant in West Green
Do you work for landlords with property near Seven Sisters station?
Yes, rental work is part of what we do. Just phone 0345 464 0079 or send us an email and tell us about the property, and we will give you a clear quote.
Can parking be tricky for a visit in West Green?
Parking in West Green, as in most of London, takes a little planning: a visitor permit or a bay close to the door helps a lot, so mention what’s available when you book.
Which products do you use?
The product depends on the job: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. We use products from Arbo and Everbuild.
Can you do several jobs on one visit?
Yes. More than one area can be quoted together.
Do you remove the old sealant?
Yes. Sealing over the old bead is the commonest cause of early failure, so we never do it.
Can you fix a reseal that hasn’t worked?
Yes. Repeat leaks usually come from over-sealing, movement or water getting in elsewhere, so we find that first.
How do I get a quote for remedial sealant in West Green?
It depends on the job, so we quote each one individually. For a quick quote, call 0345 464 0079 or send us an email with a short description of the job.
Can failed expansion joints be resealed?
Yes. Backing sets the depth and stops the sealant sticking to the back, which lets it stretch.
Leave it or put it right?
Leaks that are left keep doing damage out of sight: soaked floorboards, ceiling stains below and blown plaster. Dealing with the joint now is a small job by comparison. In older London homes, water behind a failed joint soaks into brick and timber without much sign, and once it shows in West Green, the repair is bigger than a sealant job.
There are no prices on our website, because each job is priced on what it involves. For a quick quote, please call 0345 464 0079 or send us an email.
Why choose Mr Mastic in West Green
- Domestic, commercial and hotel work
- Arbo and Everbuild products
- Colour picked to suit the job
- Over 20 years’ experience
Take a look at how sealant jobs are priced and what customers say.
