Kent · England
Challock Remedial Sealant
Removing failed, mouldy or leaking sealant and putting it right in Challock, with a one-year guarantee on every job. Call for a quick quote.
- Dark patches showing through the sealant
- Gaps opening along the back of the worktop
- Movement joints that have split or pulled away
About our remedial sealant in Challock
If a joint has been resealed and is leaking again, it’s worth a proper look. It helps to have photos when you call 0345 464 0079 or email us. If you have a shower that leaks however often it’s resealed and worktop sealant that has shrunk and split, we can help, whatever the surface.
For a small place like Challock, remedial sealant is planned like any other job: it just means planning the journey and access beforehand. In the bathroom or kitchen, the work is the same as in any town.
The work is guaranteed for twelve months. If something isn’t right with it in that time, tell us and we’ll put it right.

- Location
- Challock (TN25)
- Wider area
- Kent
- Cover
- A year, on every job
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Surface by surface
Over-sealed & botched joints
Botched joints sometimes have damaged edges from earlier scraping. We work carefully to avoid adding to it, and tell you about any damage we find.
Worktops & kitchens
Old kitchen sealant pulls back from the wall over time. It’s cut out, degreased and resealed colour-matched to the worktop.
Common questions in Challock
Do you cover Challock for remedial sealant?
Yes, Challock is within the area we cover. Our work covers London and the South East. Just call 0345 464 0079 or email us with a few details of the job, and we’ll give you a clear price.
Do you cover smaller places like Challock?
Yes. Challock is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Just mention lanes, gates or anything else about the route when you book.
Can you work on commercial sites?
Yes, regularly. Larger jobs can be planned room by room or area by area to suit the site.
Where is Mr Mastic based?
We work from Crawley. We cover Challock and the rest of Kent.
Do you have insurance?
Yes. Mr Mastic is fully insured.
Do the sealants smell?
That depends on the sealant. Some products have a noticeable smell, others very little, and any smell fades as they cure.
Do you work for landlords and businesses?
Yes. Domestic, commercial and hotel work are all part of what we do.
How long does the work take?
The number of joints and layers decides it. You will have a timescale before any work begins.
How it works
You do not need to clear the whole room or building, only the area right around the joints. Everything nearby is protected, and the work takes a few hours for most joints, depending on how much old sealant has to come out in most cases. For a village or hamlet like Challock, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- 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.
- We finish neatly and point out anything that needs another trade.
Preparing for the visit
- Clear items away from the joints we’re working on
- Tell us about access, such as stairs, a lift or high-level joints
- Let us know if you’ve seen damp or leaks
Get a quote
For a quick quote, get us on the phone, or send an email if you’d rather. Describe what needs sealing and we will talk you through the work.
Related advice
Work for landlords, hotels and businesses
We also work for property managers and facilities teams in Challock and across Kent. We can quote a run of properties together.
Letting agents and landlords in Challock can book us as well as homeowners. Sealant work between tenants keeps a property looking cared for before the next move-in.
What affects the quote in Challock
We do not publish a price list, because jobs vary so much. What we look at:
- Whether old sealant or filler has to be cut out
- Any mould that needs treating
- Which sealant suits the joint
- When we can work, for business premises
We do not show prices on the website, because the cost depends so much on the job itself. For a quick quote, please phone 0345 464 0079 or drop us an email and we’ll talk you through it.
What to tell us for a quote
To make quoting easier, please include:
- Where the property is
- Any access issues, like height or stairs
- What the problem is, such as mould, gaps, leaks or cracking
- If it’s domestic, commercial or a hotel
If you are in Challock and need remedial sealant, phone 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and we will agree the price before any work begins.
Can I do it myself?
A DIY attempt does not rule out a professional job. We remove it and do the joint properly, so tell us about it when you ask for a quote.
Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it peels away and traps moisture behind it. All the old material has to come out first.
Remedial sealant in Challock: local notes
Most of the South East has hard water, so limescale builds up on sealant, grout and fittings.
If you look after a building such as Challock Primary School, its toilets, changing areas and kitchens need their sealant renewed like any other building’s. Letting a property close to Wye station? Then failed or mouldy sealant is worth putting right between tenancies, before it turns into a leak. For an older house near a landmark such as Church of St Cosmas and St Damian, older homes can move a little, which is hard on rigid grout and tired sealant.
Challock is about 5 miles north of Ashford, in Kent. Wherever you are in the TN25 postcode area, we can carry out remedial sealant at your property. Challock is one of 922 places in Kent we cover for remedial sealant. Chelmsford is on our list too, around 40 miles away.
Work in TN25 works the same way as everywhere else we cover. If you need remedial sealant at a property on Chapmans Close, Blind Lane and Old Clock House Green or anywhere close by, our applicators can take on the job. Neighbouring places we cover for remedial sealant include Pested (1 mile north), Paddock (1 mile west), Stocker's Head (3 miles west), Badlesmere (3 miles north) and Throwley Forstal (3 miles north). Within a short drive, we also cover Maidstone (15 miles west), Ashford (5 miles south), Canterbury (10 miles north-east), Sittingbourne (11 miles north-west), Whitstable (11 miles north-east) and Faversham (7 miles north).
Local landmarks in Challock
Locally, jobs take us to homes and businesses close to The Chequers pub and The Hayesbrook School, among other places. The closest station to Challock is Wye station, roughly 3.3 miles south-east. Other landmarks nearby include Tower keep castle at Chilham (3.9 miles north-east) and William Harvey Hospital (5.6 miles south).
Why it’s worth doing now in Challock
Ripping out a bathroom is not normally needed. If the bath, tray and tiles are sound, remedial resealing normally puts it right. Where something else has failed, you will hear it from us. Around Challock, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
Every job is a little different, so we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all make a difference.
Why us?
- Full insurance on every job
- A sealant colour to suit the surroundings
- We leave the area clean and tidy
- Colour agreed with you before we start
Read how sealant jobs are priced and our reviews.
When it is not the sealant
We’d rather tell you now than do work that will not last, so here’s what sealant can’t put right:
- Failed tanking or loose tiles behind the sealant
- A cracked shower tray or bath (that needs repair or replacing)
- A bath, tray or worktop that moves until it’s properly fixed
If in doubt, ring 0345 464 0079 or email us and we will say what we think before booking.
Where we work in Challock
- Leaking tray & enclosure joints
- Failed movement joints
- Mouldy bath & shower sealant
- Expansion joints
- Shrunken worktop sealant
- Botched or over-sealed joints
