Kent · England
Highstead Remedial Sealant
Remedial sealant in Highstead from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Beads that never stuck properly
- Black mould underneath the bead
- Over-sealed joints coming away
How we handle remedial sealant in Highstead
Removing failed sealant is the hardest part of the job. 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. Typical jobs include gaps opening along the back of the worktop and a shower that leaks however often it’s resealed, on shrunken worktop sealant, leaking tray & enclosure joints and mouldy bath & shower sealant.
For a small place like Highstead, remedial sealant is planned like any other job: the journey and access are simply agreed in advance. In the bathroom or kitchen, the work is the same as in any town.
A one-year guarantee comes as standard, so you are not left on your own once the job is done.
- Where
- Highstead (CT3, CT6)
- Region
- Kent
- Cover
- One year on every job
- Price
- A clear price before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
DIY versus a professional finish
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
Places near Highstead
What else we do in Highstead
Aftercare tips
Simple care keeps the joints in good condition. We recommend:
- Never seal over old silicone
- Air the bathroom so the sealant can dry
- Never fill a movement joint with mortar or grout
- Report a tray that rocks or a worktop that lifts
Give the new sealant its full cure time: follow the cure time we give you.
Mould trapped under over-sealed joints spreads unseen. When it finally shows, the whole bead needs to come out.
The process
We bring everything the job needs with us. After a quick look at the joints together, we protect the area and start. Most jobs take a few hours, depending on how many layers have to come out. For a village or hamlet like Highstead, 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.
- 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.
- 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.
Before we arrive
- Let us know about stairs, lifts or work at height
- Clear the area around the work
- Plan for the work area to be out of bounds to pets and children
Getting a quote
For a quick quote, get us on the phone, or email us if that is easier. Tell us about the joints that need doing and we’ll explain what’s involved.
Related advice
Work for landlords, hotels and businesses
If you manage several properties in or around Highstead, jobs at different addresses can go on one quote. Send us the addresses and the work at each, and photos by email help.
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance that we can handle for you.
Common questions in Highstead
Will you come out to Highstead?
Yes, we do. Our work covers London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
I let a flat near Herne Bay station. Can you help?
Yes, we work for landlords and agents. Just ring 0345 464 0079 or send us an email and tell us about the property, and we will give you a clear quote.
Does remedial work come with a guarantee?
Yes, with our one-year guarantee. If we’ve pointed out another problem, getting it fixed helps the new joint last.
Do you have insurance?
Yes. Mr Mastic is fully insured, and we’ve been doing sealant work for more than 20 years.
What does remedial sealant cost?
Size, access and the old material all affect the cost. Call for a quick quote and we’ll talk you through it.
What should I tell you?
A short description and the location. If we need more, we will ask.
Where are you based?
We’re a Crawley-based firm. We work across South East England, London and Scotland.
Can I add another job to the visit?
Yes, we can. More than one area can go on one quote.
Signs you need remedial sealant in Highstead
Some joints fail because water is reaching them from behind. A leaking valve, a failed waste or cracked grout feeds water behind the bead, so the silicone goes mouldy or lets go.
It’s worth asking for a quote if you see:
- Over-sealed joints coming away
- Leaks that keep coming back after resealing
- Black mould underneath the bead
- Beads that never stuck properly
Letting a property close to Herne Bay station? Then a joint that keeps failing is best fixed properly while the property is empty.
Before booking anyone
- How the colour is chosen
- How much experience the applicator has
- Which sealant they’ll use, and why
- How long to leave it before use
Surface by surface
Leaking trays & enclosures
If the tray is cracked, or the leak is from the valve or waste, sealant won’t fix it. We’ll tell you what we find.
Worktops & kitchens
A loose worktop splits its sealant. It needs fixing down first, which we’ll point out.
What affects the quote in Highstead
The quote reflects the job in front of us. We take into account:
- The old material and how stubborn it is
- The type of sealant required
- The size of the job
- Any working-time requirements on site
Leaving a failed joint usually makes the job bigger, not smaller. If you’re unsure, phone 0345 464 0079 or send us an email for an honest opinion and a quote.
What we need to know
The more you tell us, the more accurate the quote. When you ask for a quote, tell us:
- The address or postcode of the job
- The rough size of the job
- Whether it’s a home or a business
- The problem you’ve noticed
It all starts with a short chat. Describe the problem, the location and the size of the job, and we will talk you through what we’d do. When it suits you, call 0345 464 0079 or drop us an email.
Remedial sealant in Highstead: local notes
Highstead is within about 2 miles of the coast. Near the coast, holiday lets and guest houses can see bathrooms used by one guest after another, which wears sealant and grout out faster than in a quiet home. Most of the South East has hard water, which leaves limescale on sealant, grout and fittings.
Managing a site like Reculver Church of England Primary School? Then we reseal washrooms and kitchens in schools and businesses as well as homes. If you live in an older home near Church of St Mary the Virgin, timber floors under older bathrooms flex, so joints need a sealant that moves with them.
Highstead is about 2 miles south-east of Herne Bay, in Kent. If you need remedial sealant in Highstead, it’s easy to get a quote: please phone 0345 464 0079 or drop us an email. We cover Kent from our Crawley base, Highstead included. Our area takes in 922 places across Kent. Our Chelmsford page covers work nearby.
Postcode districts we cover here for remedial sealant: CT3 and CT6. We also cover the places around Highstead: Hawthorn (1 mile north), Boyden Gate (1 mile south-east), Millbank (1 mile south-west), Old Tree (1 mile south) and Hillborough (1 mile north). Within a short drive, we also cover Canterbury (7 miles south-west), Margate (9 miles east), Ramsgate (10 miles east), Broadstairs (11 miles east), Whitstable (6 miles west) and Deal (13 miles south-east).
What’s near Highstead
Around Highstead, our work takes us to homes and buildings near Bishopstone Cliffs and Hog & Donkey pub and the streets around them. The nearest railway station is Herne Bay station, roughly 2.7 miles west of the centre. Well-known places in the area include Whitstable and Tankerton Hospital (5.6 miles west). The countryside around Highstead includes West Blean and Thornden Woods.