Kent · England
Farningham Remedial Sealant
Problem with your failed sealant joints in Farningham? We remove the old material, prepare the joints and seal them properly, with a one-year guarantee.
- Sealant peeling off a dusty or damp surface
- Floor or wall movement joints that have failed
- A second bead peeling off the first
How we handle remedial sealant in Farningham
Decorators’ caulk in a shower, bathroom silicone on a window, a rigid filler in a movement joint fails however neatly it’s applied. We take it out and use a sealant made for that joint. We are often asked to deal with kitchen joints letting water behind the worktop and products that weren’t meant for the joint, on shrunken worktop sealant, botched or over-sealed joints and mouldy bath & shower sealant.
Homes around Farningham are mostly houses and cottages rather than flats, some with bathrooms tucked into older rooms or extensions. The work is the same as anywhere: everything old comes out before the new sealant or grout goes in.
The work is guaranteed for twelve months. If something is not right with it in that time, tell us and we’ll put it right.
- Where
- Farningham (DA4)
- Wider area
- Kent
- Cover
- A year, on every job
- Price
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
DIY sealant or a professional job?
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it peels away and traps moisture behind it. All the old material has to come out first.
Keeping the joints in good condition
A little care helps the new joints last. We recommend:
- Keep movement joints clear of mortar and paint
- Use a soft cloth, not a scourer, on silicone
- Do not wait for a small gap to become a leak
- Report a tray that rocks or a worktop that lifts
If we’ve found a cause, such as a loose tray or a leaking waste, get it fixed, or the new joint may fail again.
A failing joint rarely gets better on its own. Every shower or downpour sends more water through, into whatever is behind or below. Early action keeps it to a sealant job.
Nearby places to Farningham
More services for Farningham
How it works
Most of a good job is in the preparation, so that’s where we spend the time. Joints are cleaned back and dried before anything new goes in. In total, it generally takes a few hours for a typical bath or shower, longer where several layers have been applied. Somewhere like Farningham needs a little journey planning: 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.
- We protect the surfaces around the joint.
- The botched or failed sealant is cut away completely.
- The joint is degreased and checked for movement and leaks.
- New sealant goes in once the joint is dry, and is tooled smooth.
- We give you the cure time and explain what caused the failure.
Getting ready for the visit
- Tell us if parking is tricky
- Mention any tricky access
- Tell us about any water getting in
Getting a quote
Need a quote? Please ring 0345 464 0079 or send us an email and tell us about the job. You will know what we plan to do, and what it will cost, before any work begins.
Related advice
What happens if it’s left?
Mould under a bead cannot be reached by cleaning. The layers have to come out. Around Farningham, older homes often have timber in their floors and frames, where water from a failed joint can cause rot if it’s left.
A few things move the cost up or down: the old material and how easily it comes out, whether mould needs treating, and whether the work is at height. We take all of that into account in your quote.
Why choose Mr Mastic in Farningham
- Sanitary silicone with an anti-fungal additive in wet areas
- A sealant colour to suit the surroundings
- Over 20 years’ experience
- A 12-month guarantee on all work
Take a look at what affects the cost or customer reviews.
Work for landlords, hotels and businesses
Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.
Failed sealant is one of the commonest items on a check-out report. Several properties can go on one quote.
When to call us in Farningham
One of the commonest remedial jobs is sealant on top of sealant. Silicone does not bond to silicone, so the top layer lifts and water and mould collect between the two.
Most people get in touch when they notice one of these:
- Mould trapped under a layer of silicone
- A shower that leaks however often it’s resealed
- Products that weren’t meant for the joint
- Sealant applied over old sealant that has lifted
For landlords with property near Eynsford station, a joint that keeps failing is best fixed properly while the property is empty.
Comparing quotes
- What the quote includes, VAT included or not
- How long the guarantee is
- When the joint can take water or movement
- Who does the work, and how experienced they are
Farningham questions
I let a flat near Eynsford station. Can you help?
Yes, landlords and agents are among the people we work for. You can ring 0345 464 0079 or email us with the details for a clear quote.
Do you cover smaller places like Farningham?
Yes, we do. We work across London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Do I need to be at home?
It depends on the job. Inside work needs someone to give us access, and for outside work we will agree access with you when we book.
Can you remove sealant that is been put over old sealant?
Yes. We remove every layer; new silicone does not bond to old silicone, which is why over-sealing fails.
Is remedial work guaranteed?
Yes, with our one-year guarantee. Where we have flagged another fault, it needs fixing for the joint to last.
Can you fix a reseal that hasn’t worked?
Yes. There’s usually a reason: sealant over sealant, movement or another leak, and we deal with the cause first.
What if resealing will not fix my leak?
We check for that before we reseal. If the fault is elsewhere, you will know before any work is done.
Is there any odour?
That depends on the sealant. Some smell for a while, some hardly at all.
What remedial sealant looks like in Farningham
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. There are hotels and other places to stay in and around Farningham. As well as homes, we work in hotel bathrooms, where resealing and regrouting can be done room by room.
For an older house near a landmark such as Church of Saint Peter and Saint Paul, timber floors under older bathrooms flex, so joints need a sealant that moves with them. If you look after a building such as The Anthony Roper Primary School, we reseal washrooms and kitchens in schools and businesses as well as homes.
Farningham is about 5 miles south of Dartford, in Kent. Homes, rented property, offices and hotels in Farningham can book us for remedial sealant, old or new, large or small. The work is guaranteed for a year. We cover 922 towns and villages across Kent, from the larger towns to small villages. For nearby work, see our London page.
Our applicators cover all of DA4 for remedial sealant and the streets around it. Local streets include High Street, London Road and South Hall Close, all of which we cover. Close by, we work in Eynsford (1 mile south-west), Horton Kirby (1 mile north-east), Maplescombe (2 miles south-east), Speed Gate (2 miles east) and Fawkham Green (3 miles east). Further out, we also cover Maidstone (15 miles south-east), Dartford (5 miles north), Sevenoaks (7 miles south), Gravesend (8 miles north-east), Tonbridge (13 miles south) and Northfleet (7 miles north-east).
Near you in Farningham
Around Farningham, our work takes us to homes and buildings near Pied Bull pub. The closest station to Farningham is Eynsford station, about 1.4 miles south-west of the centre. Other landmarks nearby include Eynsford Castle (0.7 miles south-west) and Darenth Park Hospital (4.2 miles north). Not far away are The Warren.
How the job changes by surface
Windows & doors
A frame that keeps leaking may not be the mastic. We check the joint and tell you if it looks to be something else.
Mouldy bath & shower sealant
Black mould inside the bead won’t scrub out. The sealant is cut out completely, the joint treated with a mould remover and dried ahead of a new anti-fungal bead.