West Sussex · England
Remedial Sealant in Balcombe
Removing failed, mouldy or leaking sealant and putting it right in Balcombe, with a one-year guarantee on every job. Call for a quick quote.
- Gaps opening along the back of the worktop
- Caulk or the wrong sealant used in a wet area
- Torn expansion joints
About our remedial sealant in Balcombe
With more than 20 years’ experience, our applicators have seen most of the ways sealant can fail. We are fully insured ARBOMaster approved applicators, and every remedial job comes with a 12-month guarantee. If you have wide, uneven beads that look worse than the old ones and kitchen joints letting water behind the worktop, we can put it right, on botched or over-sealed joints, failed movement joints and leaking tray & enclosure joints alike.
Around Balcombe, it’s houses and cottages rather than flats. The work is the same as anywhere: old material cut out, joints cleaned and a fresh finish laid.
A one-year guarantee comes with the work, just as it does everywhere we cover.
- Where
- Balcombe (RH17)
- Wider area
- West Sussex
- Cover
- 12 months on all our work
- Quote
- A clear price before we start
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
Different surfaces, different methods
Over-sealed & botched joints
Every layer has to come out, including the smears and film on surrounding tiles. Only a clean joint will take a new bead.
Worktops & kitchens
Kitchen joints hold grease and residue, so cleaning takes longer than in a bathroom before resealing.
DIY sealant or a professional job?
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
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.
How it works
When we get to you, we compare the joints with what we discussed. If we find something unexpected, we talk it through with you first. After that, the work takes a few hours for most joints, depending on how much old sealant has to come out. For a village or hamlet like Balcombe, the journey is planned in advance: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- We protect the surfaces around the joint.
- The botched or failed sealant is cut away completely.
- We clean and degrease the joint and look for signs of movement or water.
- Once dry, a suitable sealant is applied and tooled.
- You get the cure time and our view on why the joint failed.
Getting ready for the visit
- Keep pets and children clear of the area while we work
- Mention any leaks or damp you’ve noticed
- Let us know about earlier repairs to the joints
Getting a quote
Want a quote for remedial sealant? Please call 0345 464 0079 or drop us an email and tell us about the job. We will explain what we’d do and give you a clear price before work begins.
Advice
What we cannot put right
To be straight with you, some problems need a different trade:
- A tray or bath that is cracked
- Tiles that have come away from the wall
- Old mastic in a building from before 2000 that should be checked for asbestos before it’s disturbed
If you’re not sure, just call 0345 464 0079 or email us and we will give you a straight answer.
Joints and surfaces we work on
- Shrunken worktop sealant
- Failed movement joints
- Botched or over-sealed joints
- Mouldy bath & shower sealant
- Leaking tray & enclosure joints
- Expansion joints
Questions from Balcombe
I let a flat near Balcombe station. Can you help?
Yes, rental work is part of what we do. Just ring 0345 464 0079 or drop us an email and tell us about the property, and we’ll send you a clear quote.
Do you cover Balcombe for remedial sealant?
Yes. Our work covers London and the South East, and Balcombe is part of that. You can phone 0345 464 0079 or drop us an email and tell us what needs doing, and we’ll give you a clear quote.
Do you take out the old sealant first?
Yes. All of the old material is cut out and the joint cleaned before applying anything new.
Is remedial work guaranteed?
Yes. Remedial work carries the same 12-month guarantee as all our work.
Where is Mr Mastic based?
We’re a Crawley-based firm, with over 20 years’ experience. We work across South East England, London and Scotland.
Do I need to be at home?
Access is agreed with you when the job is booked. For inside work, that normally means someone being in.
Do you work for hotels and businesses?
Yes. We’ve worked for hotels, offices and other businesses, and we are fully insured.
Which products do you use?
Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We’ll tell you what we’re using and why.
Aftercare tips
After the cure time, these simple habits help:
- Check trays and worktops don’t move
- Find out why the sealant failed first
- Look for stains below bathrooms now and then
- Run the fan after every shower
Leave the new joint to cure fully before it gets wet or moves: normally around 24 hours, or as long as we advise.
If a joint has failed more than once, stop resealing it. Have someone find out why, otherwise the next attempt will fail too.
What happens if it’s left?
Another bead over the top won’t fix a failed joint. It doesn’t grip the old layer, so the leak carries on and there’s now more to remove. In a small place like Balcombe, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
Instead of a standard rate, we look at what your job involves: how many joints, what’s in them now and how we reach them. You will know the price before we begin.
Why book with us
- 4.9 on Google from 180+ five-star reviews
- Old sealant always removed completely
- A 12-month guarantee on all work
- More than 20 years in sealant work
Take a look at what affects the cost or customer reviews.
Nearby places to Balcombe
What else we do in Balcombe
What remedial sealant looks like in Balcombe
Hard water is the norm across most of the South East, which leaves limescale on sealant, grout and fittings, and it has to be cleaned off before new sealant goes in.
For site and facilities teams at buildings such as Balcombe CofE Controlled Primary School, we reseal washrooms and kitchens in schools and businesses as well as homes. For an older house near a landmark such as The Parish Church of St Mary, bathrooms in older houses have often been refitted more than once, with sealant laid over sealant.
Balcombe is about 4 miles north of Haywards Heath, in West Sussex. For remedial sealant in and around Balcombe, please ring 0345 464 0079 or drop us an email for a quick quote. We cover West Sussex from our Crawley base. We cover 371 towns and villages across West Sussex, large and small.
All of RH17 is covered for remedial sealant, from the main roads to the quietest streets. Whether your property is on London Road, Stockcroft Road and Deanland Road or anywhere close by, our applicators can take on the job. Being close to the B2036, Balcombe is easy for our applicators to reach. Nearby, we also carry out remedial sealant in Balcombe Lane (1 mile north), Brook Street (2 miles south), Staplefield (2 miles south-west), Worth Abbey (3 miles north) and Whitemans Green (3 miles south). We also work in nearby towns such as Crawley (5 miles north-west), Horsham (8 miles west), Haywards Heath (4 miles south), Burgess Hill (7 miles south), East Grinstead (7 miles north-east) and Broadfield (4 miles north-west).
Around Balcombe
There’s a railway station in Balcombe itself: Balcombe station. Well-known places in the area include Princess Royal Hospital (4.9 miles south) and Cuckfield Museum (3.5 miles south). Open spaces near Balcombe include Blunts Wood and Paiges Meadow and Tilgate Lake.
What we’re called out for in Balcombe
Even good sealant ages. Over the years it shrinks, hardens and gets colonised by mould, especially in damp, poorly aired rooms. At that point it has to come out.
Signs it’s time to call us include:
- Sealant that came away because the surface wasn’t prepared
- Wide, uneven beads that look worse than the old ones
- Movement joints that have split or pulled away
- A shower that leaks however often it’s resealed
Letting a property close to Balcombe station? Then botched sealant from a previous quick fix is easier to strip out between tenants.
Before you book anyone
- Are they insured?
- How much experience the applicator has
- How the surfaces are prepared before sealing
- What happens if the job turns out different