Southampton · England
Remedial sealant & repairs in Chilworth, Southampton
Specialist remedial sealant for Chilworth: careful preparation, the right product and tidy work. Call for a quick quote.
- Sealant that came away because the surface wasn’t prepared
- Torn expansion joints
- Sealant applied over old sealant that has lifted
Remedial sealant for homes and businesses in Chilworth
Remedial jobs in Chilworth usually fall into a few patterns: sealant over sealant, mould under the bead, leaks that come back and movement joints that have split. Each is stripped back and done again properly. If you are dealing with gaps opening along the back of the worktop and sealant applied over old sealant that has lifted, we can help, on mouldy bath & shower sealant, expansion joints and botched or over-sealed joints alike.
Around Chilworth, 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.
We guarantee the work for a year. If something is not right with it in that time, tell us and we’ll put it right.

- Place
- Chilworth (SO16)
- Region
- Southampton
- Guarantee
- 12 months on all our work
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
Aftercare tips
How long the joints last depends on use and care. Here’s what we suggest:
- Keep the room well ventilated
- Don’t wait for a small gap to become a leak
- Check trays and worktops don’t move
- Look for stains below bathrooms now and then
Ventilation keeps mould away from the new bead: run the fan during and after showers, or open a window.
If a joint has failed more than once, stop resealing it. Get the cause found first, or the next bead will go the same way.
Questions from Chilworth
Will you come out to Chilworth?
Yes, Chilworth is covered. We work across London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Can you do remedial sealant in Chilworth?
Yes. Our work covers London and the South East, and Chilworth is part of that. You can ring 0345 464 0079 or drop us an email and tell us what needs doing, and we will send you a clear quote.
How do I get a quote for remedial sealant in Chilworth?
The cost depends on the size of the job, access and how much old sealant has to come out. Call for a quick quote.
Can you do several jobs on one visit?
Yes. Several rooms, windows or areas can go on one quote.
What should I tell you?
Tell us what needs doing and where, plus photos if you have them. If we need more, we will ask.
Do you offer different sealant colours?
Most of the time, yes. We will tell you which colours the right product comes in.
Do you have insurance?
Yes. We’re fully insured.
Can you strip sealant from an acrylic tray safely?
Yes, with care. The old bead is cut and lifted with tools that suit the surface, and the residue is cleaned away. Any existing damage is pointed out before we start.
Why it’s worth doing now in Chilworth
Mould under a bead can’t be reached by cleaning. Removal is the only way to get at it, and the joint treated and dried before resealing. In a small place like Chilworth, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
Instead of a standard rate, we price the job in front of us: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.
Why choose Mr Mastic in Chilworth
- Quality sealants from Arbo and Everbuild
- Fully insured
- Every job guaranteed for a year
- Over 20 years’ experience
Read our cost guide and customer reviews.
Honest limits
We’d rather tell you now than do work that will not last, so here’s what sealant cannot put right:
- Water damage behind tiles that needs a tiler
- Older mastics that may need an asbestos check before removal
- Cracks in the fitting rather than the joint
If in doubt, call 0345 464 0079 or email us and we will say what we think before you book.
Where we work in Chilworth
- Expansion joints
- Botched or over-sealed joints
- Mouldy bath & shower sealant
- Leaking tray & enclosure joints
- Failed movement joints
- Shrunken worktop sealant
Surface by surface
Worktops & kitchens
Kitchen joints hold grease and residue, so we spend extra time cleaning before resealing.
Movement & expansion joints
A movement joint must be able to stretch. We remove the failed sealant, fit backing and reseal with a low-modulus product.
Common problems we fix in Chilworth
All sealant wears out eventually. Over the years it shrinks, hardens and gets colonised by mould, faster where ventilation is poor. At that point it has to come out.
It’s worth asking for a quote if you see:
- Sealant applied over old sealant that has lifted
- Smears and lumps from a botched reseal
- Caulk or the wrong sealant used in a wet area
- Leaks that keep coming back after resealing
If you live in an older home near Church of St Denys, timber floors under older bathrooms flex, so joints need a sealant that moves with them.
What your quote should include
- Which sealant they’ll use, and why
- How much experience the applicator has
- Whether they seal over old material or remove it
- What insurance they hold
How the visit works
Most of a good job is in the preparation, and we don’t rush it. Every joint is cleaned and dried before new material goes in. In total, it generally takes a few hours for a typical bath or shower, longer where several layers have been applied. Somewhere as small as Chilworth, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- We look at how the sealant has failed and check for movement or a leak path.
- All the old sealant comes out, including any layers underneath.
- Next, any mould is treated and the joint dried.
- Moving joints get backing and a flexible sealant to suit.
- Finally we finish the joint and talk you through what we found.
Preparing for the visit
- On commercial sites, let us know about site rules
- Mention any leaks or damp you’ve noticed
- Keep pets and children clear of the area while we work
Get a quote
Want a quote for remedial sealant? Please ring 0345 464 0079 or email us and tell us about the job. You’ll know what we plan to do, and what it will cost, before any work begins.
Read more
Chilworth homes and their sealant
Hard water is the norm across most of the South East, so limescale builds up on sealant, grout and fittings, and it has to be cleaned off before new sealant goes in.
For landlords with property near Swaythling station, botched sealant from a previous quick fix is easier to strip out between tenants. Schools such as Cantell School are buildings too, and its toilets, changing areas and kitchens need their sealant renewed like any other building’s.
Chilworth is about 2 miles south-west of Chandler's Ford, in Southampton. Jobs in Chilworth get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Across Southampton, we cover 40 places, and Chilworth is one of them.
Postcode districts we cover here for remedial sealant: SO16. If you need remedial sealant at a property on Heatherlands Road, Roman Road and Pinelands Road or anywhere close by, we can help. If you are just outside Chilworth, we cover Chilworth Old Village (1 mile north-west), Bassett (1 mile south), Lordswood (1 mile south-west), Highfield (2 miles south) and North Baddesley (2 miles north-west). Further out, we also cover Southampton (3 miles south), Shirley (3 miles south), Regents Park (3 miles south-west), Townhill Park (3 miles south-east), Midanbury (3 miles south-east) and Thornhill (4 miles south-east).
Landmarks near Chilworth
We work in homes and buildings around Saint George Catholic Voluntary Aided College Southampton and Lakeside Country Park and the streets around them. The closest station to Chilworth is Swaythling station, roughly 1.9 miles south-east. Other landmarks nearby include Eastleigh Museum (2.5 miles east) and Marlands Shopping Centre (3.6 miles south). For a walk, there’s Flexford Nature Reserve.
Places near Chilworth
What else we do in Chilworth
Should I try it myself first?
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly.
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.
