Wokingham · England
Remedial Sealant in Charvil
Failed sealant joints in Charvil need attention? We cut out the old, prepare the joints and apply the right sealant, with a 12-month guarantee.
- Leaks that keep coming back after resealing
- Floor or wall movement joints that have failed
- Over-sealed joints coming away
What affects the quote in Charvil
We do not publish a price list, because jobs vary so much. What we look at:
- The amount of work
- How many areas need sealing
- Any mould that needs treating
- Whether the work is at height
What you pay reflects the work, not guesswork. That’s why we ask about the job first.
Helping us quote
When you call or email, it’s useful to know:
- A few pictures by email, if you can
- If someone has resealed it before
- Roughly how big the job is
- Access, such as stairs, a lift or height
If you’re in Charvil and need remedial sealant, phone 0345 464 0079 or drop us an email. Tell us what the problem is and where, and we will agree the price before any work begins.
Remedial sealant in Charvil
Removing failed sealant is the hardest part of the job. Every layer is cut out, the residue cleaned off and the joint degreased, without scratching tiles, trays or frames. Only then can new sealant bond. We work on failed movement joints, mouldy bath & shower sealant and leaking tray & enclosure joints, and common reasons people get in touch are over-sealed joints coming away and mould trapped under a layer of silicone.
Smaller places like Charvil still have plenty of bathrooms that work hard every day. Whether it’s a cottage bathroom or a newer en suite, the approach is the same: old sealant or grout cut out, joints cleaned and dried, and a fresh finish laid.
We stand behind the work with a 12-month guarantee.

- Location
- Charvil (RG10)
- Region
- Wokingham
- Guarantee
- One year on every job
- Quotes
- Quoted before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
Should I try it myself first?
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is.
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Charvil: your questions answered
Do you work for hotels and guest houses in Charvil?
Yes, we work for hotels as well as homes and businesses. A room-by-room programme keeps most rooms in use while the work goes on.
Do you cover smaller places like Charvil?
Yes, we do. Our work covers London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Does remedial work come with a guarantee?
Yes. You get our 12-month guarantee.
Someone sealed over the old bead. Can you fix it?
Yes. Both layers come out; over-sealing fails because silicone will not bond to silicone.
Where are you based?
We are based in Crawley, West Sussex, and we work across South East England, London and Scotland.
Do you fix expansion and movement joints?
Yes. We cut out the failed sealant, fit backing and reseal with a flexible product.
How long does remedial resealing take?
The number of joints and layers decides it. We’ll tell you before work begins.
Are you fully insured?
Yes. Mr Mastic is fully insured, with over 20 years’ experience in sealant work.
Common problems we fix in Charvil
One of the commonest remedial jobs is sealant on top of sealant. Silicone does not bond to silicone, so the new layer peels, and damp and mould settle between them.
Common reasons people contact us are:
- A second bead peeling off the first
- Torn expansion joints
- Worktop sealant that has shrunk and split
- Caulk or the wrong sealant used in a wet area
Rented homes near Twyford station change hands often, and a joint that keeps failing is best fixed properly while the property is empty.
Before booking anyone
- What product goes in the joint
- How the surfaces are prepared before sealing
- Whether they seal over old material or remove it
- What the cure time is
What else we do in Charvil
When something else is needed
Some problems need a builder, plumber or other trade rather than us:
- Leaks from a shower valve, waste or pipework (a plumber’s job)
- A bath, tray or worktop that moves until it’s properly fixed
- Water damage behind tiles that needs a tiler
Not sure which it is? You can call 0345 464 0079 or email us and we’ll tell you honestly before booking.
Where we work in Charvil
- Failed movement joints
- Shrunken worktop sealant
- Mouldy bath & shower sealant
- Expansion joints
- Leaking tray & enclosure joints
- Botched or over-sealed joints
Remedial sealant around Charvil
There are hotels and other places to stay in and around Charvil. Hotel bathrooms are part of our work as well as homes, and can be done room by room. 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.
Schools such as Waingels College are buildings too, and its toilets, changing areas and kitchens need their sealant renewed like any other building’s. For an older house near a landmark such as St Patrick's Church, older homes can move a little, which is hard on rigid grout and tired sealant.
Charvil is about 2 miles north of Woodley, in Wokingham. Anywhere in RG10, our applicators can take on remedial sealant. Charvil is one of 35 towns and villages in Wokingham where we work for remedial sealant.
Every address in RG10 is within our area for remedial sealant, from the main roads to the quietest streets. You will find streets such as Old Bath Road, Wenlock Edge and Pipistrelle Way, all of which we cover. Close by, we work in Twyford (1 mile east), Ruscombe (1 mile east), Whistley Green (1 mile south-east), Woodley (2 miles south) and Shiplake (2 miles north). Within a short drive, we also cover Reading (4 miles south-west), Wokingham (5 miles south), Earley (4 miles south-west), Crowthorne (8 miles south-east), Lower Earley (4 miles south-west) and Winnersh (3 miles south).
Around Charvil
Typical jobs here are in homes near The Piggott School, Polehampton Church of England Infant School and The Wagon And Horses Public House and the streets around them. The closest station to Charvil is Twyford station, about 0.9 miles east. Nearby you will also find Royal Berkshire Hospital (3.7 miles south-west) and Berkshire Medical Heritage Centre Museum (3.6 miles south-west). The countryside around Charvil includes Sonning Hill and South Lake.
What happens on the day
We work through the job in order: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours for a typical bath or shower, longer where several layers have been applied, and the area is left clean. In a smaller place like Charvil, parking is seldom the issue; lanes, gates and long drives are worth mentioning. For outside work, side access and the height of the joints help us plan.
- We start by checking the joint for movement, leaks and the reason it failed.
- All the old sealant comes out, including any layers underneath.
- We clean the joint, treat any mould and let it dry.
- Moving joints get backing and a flexible sealant to suit.
- The new joint is tooled neatly and we explain anything else we found.
Preparing for the visit
- Let us know if you’ve seen damp or leaks
- Plan for the work area to be out of bounds to pets and children
- Mention any sign-in or site rules at work premises
Ask for a quote
We quote each job on its own. Simply call 0345 464 0079 or drop us an email and describe the job.
Read more
How to look after the new joints
Simple care keeps the joints in good condition. We recommend:
- Use a soft cloth, not a scourer, on silicone
- Never fill a movement joint with mortar or grout
- Always have old sealant cut out, not covered
- Keep an eye on the ceiling below the bathroom
Clean gently: no scraping, scouring pads or harsh chemicals.
Leaks through failed sealant grow over time. Every shower or downpour sends more water through, into whatever is behind or below. Sorting it early limits the damage.
How the job changes by surface
Mouldy bath & shower sealant
Where mould keeps coming back, ventilation is usually part of the cause. We will reseal and tell you if extraction looks to be the issue.
Over-sealed & botched joints
Previous removal attempts can leave scratches or gouges. We work carefully to avoid adding to it, and point out any existing damage.
