Kent · England
Leeds Remedial Sealant
Remedial sealant for Leeds, by sealant specialists with 20+ years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Repeat leaks from the same joint
- Products that weren’t meant for the joint
- Dark patches showing through the sealant
How we quote for remedial sealant
Call for a quick quote. The main things that affect it are:
- Any mould that needs treating
- Which sealant suits the joint
- Working hours on commercial sites
- Access and height
Leaving a failed joint normally makes the job bigger, not smaller. If you’re unsure, ring 0345 464 0079 or send us an email and we’ll give you an honest view and a quote.
What we need to know
What to tell us when you ask for a quote:
- The address or postcode of the job
- A few pictures by email, if you can
- Whether it’s a home or a business
- The rough size of the job
Want a quote for remedial sealant? Please call 0345 464 0079 or email us and tell us about the job. We’ll explain what we’d do and send you a clear quote before work begins.
Remedial sealant for homes and businesses in Leeds
Remedial jobs in Leeds generally fall into a few patterns: over-sealed joints, hidden mould, repeat leaks and split movement joints. We strip each one back and start from scratch. We’re often asked to deal with a second bead peeling off the first and wide, uneven beads that look worse than the old ones, on failed movement joints, leaking tray & enclosure joints and shrunken worktop sealant.
Somewhere as small as Leeds, homes tend to be cottages, farmhouses or converted buildings, with some newer houses too. Movement in older walls and floors tends to show first as cracked grout or split sealant.
The work is covered for a year after we finish. If there’s a problem with it, please call 0345 464 0079 or send us an email.

- Where
- Leeds (ME17)
- Region
- Kent
- Cover
- One year on every job
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
What remedial sealant looks like in Leeds
Most of the South East has hard water, so limescale builds up on sealant, grout and fittings.
Homes close to St Nicholas's Church include some older properties, and older homes can move a little, which is hard on rigid grout and tired sealant. Rented homes near Hollingbourne station change hands often, and botched sealant from a previous quick fix is easier to strip out between tenants.
Leeds is about 4 miles east of Maidstone, in Kent. If you need remedial sealant in Leeds, it’s easy to get a quote: please phone 0345 464 0079 or send us an email. We cover Kent from our Crawley base. Leeds is one of 922 places in Kent we cover. For nearby work, see our Chelmsford page, about 34 miles away.
We work across ME17 for remedial sealant. We cover properties on Brogden Crescent, Forge Lane and Gloriette Avenue. If you are just outside Leeds, we cover Ashbank (1 mile north-east), Broomfield (1 mile east), Eyhorne Street (1 mile north-east), Chartway Street (2 miles south) and Kingswood (2 miles south-east). Within a short drive, we also cover Maidstone (4 miles west), Ashford (13 miles south-east), Sittingbourne (9 miles north-east), Tonbridge (15 miles west), Faversham (13 miles east) and Minster (15 miles north-east).
Near you in Leeds
Locally, jobs take us to homes and businesses close to The George Inn. The closest station to Leeds is Hollingbourne station, about 1.6 miles north-east. Nearby you will also find Leeds Castle (1 mile east) and KIMS hospital (3.4 miles north-west). Open spaces near Leeds include Detling Hill.
Can I do it myself?
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.
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it lifts and traps water and mould underneath. Everything old must be removed first.
Why it’s worth doing now in Leeds
Adding more sealant is the usual quick fix, and it rarely works. It can’t bond to what’s underneath, leaving the leak in place and one more layer to cut out later. In a small place like Leeds, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
Rather than a set price list, we look at what your job involves: how many joints, what’s in them now and how we reach them. You’ll know the price before we begin.
Why choose Mr Mastic in Leeds
- Experience in homes, commercial sites and hotels
- More than 20 years in sealant work
- Sealant colour chosen to suit
- Full insurance on every job
What we do, step by step
We bring everything the job needs with us. After a quick look at the joints together, we protect the area and start. It normally takes a few hours, depending on how many layers have to come out. Somewhere as small as Leeds, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- The failure is looked at first, so we know whether it’s sealant, movement or water from elsewhere.
- Each layer is cut out and the residue cleaned off.
- Mould is treated and the joint dried.
- The right product goes in, with backing where the joint moves.
- We finish neatly and point out anything that needs another trade.
How to prepare
- Tell us about any previous sealing or DIY attempts
- Let us know about stairs, lifts or work at height
- Mention any leaks or damp you’ve noticed
Get a quote
We quote each job on its own. Simply ring 0345 464 0079 or send us an email and describe the job.
Advice
Questions from Leeds
Can you do remedial sealant in Leeds?
Yes, Leeds is within the area we cover. We work across London and the South East. You can ring 0345 464 0079 or email us and let us know what needs doing, and we’ll give you a clear quote.
Can you help a landlord with a rental near Hollingbourne station?
Yes, we work for letting agents and landlords. Just ring 0345 464 0079 or send us an email and tell us about the property, and we will send you a clear quote.
What do you put in the joint?
It depends on the joint: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. We use products from Arbo and Everbuild.
Do you offer different sealant colours?
Yes. White, clear and grey are common, and other colours are available for many products, and we’ll agree it with you first.
Will there be a smell?
That depends on the sealant. Some products have a noticeable smell, others very little, and any smell fades as they cure.
What if resealing will not fix my leak?
In that case, we tell you what we’ve found. You may need a plumber or bathroom fitter.
Where do you work from?
We’re based in Crawley, West Sussex, and we cover South East England, London and all of Scotland.
How long does remedial resealing take?
It takes a few hours for most joints, depending on how much old sealant has to come out. You will know the timing when we quote.
Keeping the joints in good condition
To keep the joints looking good and working properly:
- Air the bathroom so the sealant can dry
- Never seal over old silicone
- Have loose fittings fixed before resealing
- Do not point over movement joints
If the joint ever needs renewing, have it cut out, not sealed over. Over-sealing is how many remedial jobs start.
A split movement joint lets rain into walls and floors, and the longer it’s left, the more the joint edges break down. A joint with sound edges is far easier to reseal.
Other services in Leeds
Work for landlords, hotels and businesses
Landlords and agents in Leeds can book us as well as homeowners. Sealant work between tenants keeps a property looking cared for.
Whether it’s one flat or a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
Signs you need remedial sealant in Leeds
Using the wrong product is a common cause: caulk where it gets wet, rigid sealant where things move, or an acetoxy silicone on a surface it can mark. Each fails in its own way.
Any of these means the joints need attention:
- Over-sealed joints coming away
- Sealant that came away because the surface wasn’t prepared
- Movement joints that have split or pulled away
- Black mould underneath the bead
For site and facilities teams at buildings such as Leeds and Broomfield Church of England Primary School, we reseal washrooms and kitchens in schools and businesses as well as homes.
What your quote should include
- Whether all the old sealant comes out first
- Whether VAT is included
- Whether the sealant suits the joint
- When the joint can take water or movement
