Oxfordshire · England

Remedial sealant & repairs in Charlton-on-Otmoor, Oxfordshire

Removing failed, mouldy or leaking sealant and putting it right for homes and businesses in Charlton-on-Otmoor and across Oxfordshire. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.

  • Sealant applied over old sealant that has lifted
  • Worktop sealant that has shrunk and split
  • Leaks that keep coming back after resealing

Remedial sealant in Charlton-on-Otmoor

How we handle remedial sealant in Charlton-on-Otmoor

Getting old sealant out properly is slow, careful work. Every layer is cut out, the residue cleaned off and the joint degreased, taking care not to scratch the surfaces around it. New sealant only bonds to a clean, dry joint. If you have mould trapped under a layer of silicone and leaks that keep coming back after resealing, we can put it right, on expansion joints, shrunken worktop sealant and botched or over-sealed joints alike.

Being in a small place like Charlton-on-Otmoor makes no difference to the job itself: the journey and access are simply agreed in advance. Once we’re there, the bathroom or kitchen gets the same care as anywhere else.

Each job carries a 12-month guarantee, large or small.

Location
Charlton-on-Otmoor (OX5)
Wider area
Oxfordshire
Cover
One year on every job
Quotes
Quoted before any work starts
Phone
0345 464 0079
Updated
26 October 2026
Sealant gun being used along the bath-to-tile joint in a beige tiled bathroom

FAQs for Charlton-on-Otmoor

Can you help a landlord with a rental near Islip station?

Yes, rental work is part of what we do. Just ring 0345 464 0079 or email us and tell us about the property, and we’ll send you a clear quote.

Can you do remedial sealant in Charlton-on-Otmoor?

Yes, Charlton-on-Otmoor is within the area we cover. Our work covers London and the South East. You can ring 0345 464 0079 or send us an email and let us know what needs doing.

Do you remove the old sealant?

Yes. Sealing over the old bead is the commonest cause of early failure, so we never do it.

Do you have insurance?

Yes. We’re fully insured.

Can you remove sealant that’s been put over old sealant?

Yes. Each layer is cut out and the residue cleaned off, before resealing with a single bead.

Are you an approved applicator?

Yes. We’re ARBOMaster approved, the scheme for applicators of Arbo sealants.

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

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

What do you need from me for a quote?

Only a few details: the address or postcode, what’s wrong and any access issues. After that, simply call 0345 464 0079 or drop us an email.

How the job changes by surface

Worktops & kitchens

Old kitchen sealant pulls back from the wall over time. We strip it, degrease the joint and reseal colour-matched to the worktop.

Windows & doors

Failed frame mastic is often hard, cracked and in several layers. All of it is cut out and the frame and wall cleaned.

DIY versus a professional finish

Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.

What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions, then guaranteed for a year.

Why deal with it now?

Spraying mould remover on a sealed-over joint does not reach what’s underneath. The layers have to come out, so the joint can be treated and resealed. Where a wall is exposed, as many are in small places like Charlton-on-Otmoor, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.

The cost reflects the work involved, not guesswork. That’s why we ask a few questions first.

Why Charlton-on-Otmoor customers choose us

  • Colour picked to suit the job
  • We agree the colour with you first
  • Over 20 years’ experience
  • An ARBOMaster approved applicator

Read what affects the cost or our reviews.

The process

All our tools and materials come with us in the van, so you don’t need to buy or prepare anything. Once we have agreed what’s being done, the area is protected and the work begins. It normally takes a few hours, depending on how many layers have to come out. For a village or hamlet like Charlton-on-Otmoor, the journey is planned in advance: 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.

  1. We start by checking the joint for movement, leaks and the reason it failed.
  2. All the old sealant comes out, including any layers underneath.
  3. We clean the joint, treat any mould and let it dry.
  4. We use the right backing and sealant for any joint that moves.
  5. Finally we finish the joint and talk you through what we found.

Preparing for the visit

  • Let us know about parking restrictions
  • Clear the area around the work
  • Keep children and pets away from the work area

Ask for a quote

Need a quote? Please call 0345 464 0079 or email us with a few details. You will know what we plan to do, and what it will cost, before any work begins.

Ask for a quote

Read more

When to call us in Charlton-on-Otmoor

Water from somewhere else can ruin a good seal. A leaking valve, a failed waste or cracked grout feeds water behind the bead, and the sealant lifts or goes mouldy from underneath.

Most people get in touch after spotting one of these:

  • Mould trapped under a layer of silicone
  • Caulk or the wrong sealant used in a wet area
  • Worktop sealant that has shrunk and split
  • A second bead peeling off the first

For an older house near a landmark such as Church of St Mary the Virgin, older homes can move a little, which is hard on rigid grout and tired sealant.

What your quote should include

  • How the colour is chosen
  • What guarantee comes with the work
  • Is VAT in the price?
  • Whether they’re fully insured

Our hiring checklist

What affects the quote in Charlton-on-Otmoor

Every job gets its own quote. This is what makes a difference:

  • The type of sealant required
  • Whether there’s mould to deal with
  • The old material and how stubborn it is
  • Working hours on commercial sites

Commercial jobs are quoted on the same basis as homes: the amount of work, how we reach it and what it needs. Call for a quick quote and we’ll explain what it covers.

Helping us quote

When you call or email, these details help:

  • The problem you’ve noticed
  • Any previous sealing or DIY work
  • Where the job is, and your postcode
  • The rough size of the job

If you’re in Charlton-on-Otmoor and need remedial sealant, ring 0345 464 0079 or drop us an email. Tell us what the problem is and where, and you’ll get a clear quote before we start.

What we cannot put right

A few problems are outside what sealant work can do:

  • Failed tanking or loose tiles behind the sealant
  • Old mastic in a building from before 2000 that should be checked for asbestos before it’s disturbed
  • Movement from fittings that aren’t supported

Not sure which it is? You can call 0345 464 0079 or drop us an email and we will tell you honestly.

Surfaces we seal

  • Failed movement joints
  • Leaking tray & enclosure joints
  • Expansion joints
  • Botched or over-sealed joints
  • Shrunken worktop sealant
  • Mouldy bath & shower sealant

Charlton-on-Otmoor homes and their sealant

Hard water is the norm across most of the South East, which leaves limescale on sealant, grout and fittings.

For landlords with property near Islip station, botched sealant from a previous quick fix is easier to strip out between tenants. For site and facilities teams at buildings such as Charlton-on-Otmoor Church of England Primary School, washroom and kitchen sealant there needs the same care as at home, and schools and businesses are part of our work as well as homes.

Charlton-on-Otmoor is about 5 miles south of Bicester, in Oxfordshire. We carry out remedial sealant for householders, landlords and businesses in Charlton-on-Otmoor. Our Oxfordshire coverage runs to 443 places, and Charlton-on-Otmoor is one of them. For nearby work, see our Oxford page (6 miles or so).

Every address in OX5 is covered for remedial sealant, from the main roads to the quietest streets. Local streets include High Street, Blacksmiths Lane and Church Lane, all of which we cover. Neighbouring places we cover for remedial sealant include Fencott (1 mile east), Murcott (1 mile east), Merton (1 mile north-east), Wendlebury (2 miles north) and Horton-cum-Studley (3 miles south-east). We also work in nearby towns such as Oxford (6 miles south), Bicester (5 miles north), Abingdon-on-Thames (12 miles south), Witney (13 miles west), Thame (11 miles south-east) and Kidlington (4 miles west).

Around Charlton-on-Otmoor

Typical jobs here are in homes near The Crown pub and the streets around them. For rail, the closest station is Islip station, roughly 2.3 miles west of the centre. Nearby you will also find Bicester Community Hospital (4.2 miles north) and Bicester Avenue (3.6 miles north). Open spaces near Charlton-on-Otmoor include Graven Hill and Otmoor RSPB reserve.

Map of Charlton-on-Otmoor © OpenStreetMap contributors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job