Kent · England

Remedial Sealant in Underling Green

Removing failed, mouldy or leaking sealant and putting it right for homeowners, landlords and businesses in Underling Green. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.

  • Decorators’ caulk around a bath or shower
  • A shower that leaks however often it’s resealed
  • Black mould underneath the bead

Trusted remedial sealant in Underling Green

What affects the cost of remedial sealant

There’s no set price list, because no two jobs are the same. The quote depends on:

  • The size of the job
  • Access and height
  • Any working-time requirements on site
  • The product the joint needs

What you pay reflects the work, not a rough estimate. That is why we ask a few questions first and give you a clear price before work begins.

Helping us quote

There’s no need for technical detail. It helps if you can tell us:

  • What the problem is, such as mould, gaps, leaks or cracking
  • Roughly how big the job is
  • Whether it has been sealed before
  • Access, such as stairs, a lift or height

We do not publish a price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To arrange one, ring 0345 464 0079 or email us.

Remedial sealant for homes and businesses in Underling Green

Getting old sealant out properly is slow, careful work. Every layer is cut out, the residue cleaned off and the joint degreased, without scratching tiles, trays or frames. New sealant only bonds to a clean, dry joint. We work on mouldy bath & shower sealant, failed movement joints and leaking tray & enclosure joints, and common reasons people get in touch are gaps opening along the back of the worktop and dark patches showing through the sealant.

Somewhere as small as Underling Green, homes tend to be cottages, farmhouses or converted buildings, with some newer houses too. Older walls and timber floors can move a little, and cracked grout and split sealant are often the first signs.

All of our work is guaranteed for twelve months.

Place
Underling Green (TN12)
Wider area
Kent
Cover
12 months on all our work
Quote
Quoted before any work starts
Telephone
0345 464 0079
Last updated
26 October 2026
Sealant gun close-up on a shower enclosure wall joint

Keeping the joints in good condition

After the cure time, these simple habits help:

  • Keep the room well ventilated
  • Don’t wait for a small gap to become a leak
  • Always have old sealant cut out, not covered
  • Never fill a movement joint with mortar or grout

Keep an eye on the joint at first, particularly where the original failure was caused by movement. If anything changes, just call 0345 464 0079 or send us an email.

Mould under a second layer of sealant keeps growing out of sight. By the time it shows through, the joint is well past saving.

Common questions in Underling Green

Do you work for landlords with property near Marden station?

Yes. We work for letting agents and landlords as well as homeowners, and several properties can be quoted together. Just call 0345 464 0079 or drop us an email with the address and what needs doing, and we will give you a clear quote.

Is Underling Green in your area for remedial sealant?

Yes. We work across London and the South East, and Underling Green is part of that. You can call 0345 464 0079 or drop us an email and tell us what needs doing.

How long does remedial resealing take?

Longer than a simple reseal, because every layer has to come out. Most jobs take a few hours, and we confirm the time with your quote.

What do you need from me for a quote?

Where the job is, what the problem is and roughly how big it is. Photos by email help too.

Someone resealed my shower and it’s leaking again. Can you help?

Yes, usually. We check it’s the sealant and not the tray, valve or waste, then the joints are stripped and resealed.

Does remedial work come with a guarantee?

Yes, with our 12-month guarantee. Where we’ve flagged another fault, it needs fixing for the joint to last.

Do I need to be at home?

It depends on the job. For work indoors, someone needs to let us in.

Do you work for hotels and businesses?

Yes. Commercial and hotel work is a large part of what we do, as well as homes. Working times can be discussed when we quote.

What the job involves on each surface

Mouldy bath & shower sealant

Repeat mould generally points to a damp, poorly aired room. Along with resealing, we’ll mention if the room needs better ventilation.

Leaking trays & enclosures

A cracked tray, failed valve or leaking waste needs a different fix. We’ll tell you what we find.

Leave it or put it right?

Adding more sealant is the usual quick fix, and it rarely works. It doesn’t grip the old layer, so the leak carries on and there’s now more to remove. Where a wall is exposed, as many are in small places like Underling Green, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.

No two jobs are quite the same, so we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all play a part, and we’ll explain the quote if you ask.

Why choose Mr Mastic in Underling Green

  • ARBOMaster approved applicator
  • 20+ years of sealant experience
  • Fully insured
  • Every job guaranteed for a year

Read how sealant jobs are priced and our reviews.

DIY sealant or a professional job?

Some sealant jobs are within reach of a careful DIYer, 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.

If you are set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.

Remedial sealant in Underling Green: local notes

Most of the South East has hard water, so limescale builds up on sealant, grout and fittings.

In and around Underling Green, as anywhere, good remedial sealant starts with a clean, dry, properly prepared joint.

Underling Green is about 5 miles south of Maidstone, in Kent. From the centre of Underling Green to the outskirts, remedial sealant is available for homes and businesses alike, from flats and houses to offices and hotels. Our Kent coverage runs to 922 places, Underling Green among them. We also work in Crawley, about 31 miles from Underling Green.

Our applicators cover all of the TN12 postcode area for remedial sealant. Nearby, we also carry out remedial sealant in Milebush (1 mile south-west), St Ann's Green (1 mile south), Wanshurst Green (1 mile south), Cross-at-Hand (1 mile east) and Rabbit's Cross (2 miles east). Further out, we also cover Maidstone (5 miles north), Sittingbourne (14 miles north-east), Sevenoaks (15 miles north-west), Royal Tunbridge Wells (11 miles west), Tonbridge (10 miles west) and Kings Hill (7 miles north-west).

Near you in Underling Green

For rail, the closest station is Marden station, about 1.5 miles south-west. Well-known places in the area include Oakwood Hospital (5.5 miles north) and South East Romany Museum (1.3 miles south).

Map of Underling Green © OpenStreetMap contributors

Signs you need remedial sealant in Underling Green

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.

Any of these means the joints need attention:

  • Floor or wall movement joints that have failed
  • Dark patches showing through the sealant
  • Repeat leaks from the same joint
  • Smears and lumps from a botched reseal

Letting a property close to Marden station? Then failed or mouldy sealant is worth putting right between tenancies, before it turns into a leak.

Questions to ask before booking

  • What insurance they hold
  • How the surfaces are prepared before sealing
  • Whether all the old sealant comes out first
  • Who does the work, and how experienced they are

Our hiring checklist

What happens on the day

Before we leave, we go over the finished joints with you. The visit itself generally takes a few hours for most joints, depending on how much old sealant has to come out, depending on the size of the job. Somewhere like Underling Green needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.

  1. The failure is looked at first, so we know whether it’s sealant, movement or water from elsewhere.
  2. Each layer is cut out and the residue cleaned off.
  3. Mould is treated and the joint dried.
  4. The right product goes in, with backing where the joint moves.
  5. We finish neatly and point out anything that needs another trade.

Before we arrive

  • Move anything stored near the joints
  • Try not to wet indoor joints just before the visit
  • Tell us if parking is tricky

Ask for a quote

For remedial sealant in Underling Green, ring 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and you will get a clear quote before work begins.

Ask for a quote

Related advice

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job