The Mastic Doctor team standing beside their branded vans outside an office building
Kent · England

Commercial washroom and wet-area sealing in Claygate Cross, Kent

Looking for washroom sealing in Claygate Cross? Send us the details for a fixed quote, backed by a 12-month guarantee on the work.

  • Urinal joints that look unhygienic
  • Gaps where vanity tops meet the wall
  • Black mould inside silicone joints that cleaning can’t shift
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
Constructionline member
£5m public liability

Washroom sealing across Claygate Cross

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Your questions answered

Do we have to close all our washrooms in Claygate Cross for resealing?

Not all at once. We take one block of facilities at a time. Each area is handed back once the sealant has cured enough to use.

Is Claygate Cross off your patch?

No. Small places get the same service as large ones. London and every South East county are within our area. Send photos and a list of what needs doing, and we will plan the job to need as few trips as possible.

When can showers be used after new sealant?

That varies with the sealant and the room temperature. Each room gets its own reopening time from us before we leave it.

Is old silicone taken out first?

The failed bead is always removed. New silicone won’t stick to the old, so sealing over it soon peels.

Who decides which product is used?

A specification, where there is one, decides it. If there isn’t one, it comes down to the joint: its movement, its surfaces and what it has to cope with.

Can washrooms stay open while you work?

We phase it so there are always facilities open. We work through the building a room or section at a time around your site hours and access windows.

How long does a job like this take?

That varies with the scale of the job, but the work normally takes a few hours for one toilet block, with bigger buildings phased across a number of visits. For bigger or phased jobs, we will set out a timescale with the quote.

Washroom sealing for commercial buildings in Claygate Cross

For clinics, hospitals and care homes, sealed joints matter for infection control as much as appearance. Your estates and infection-control requirements, and any permits the site uses, shape how we work. Any records you need are confirmed with the quote. If you have failed sealant behind washroom basins and a new bead over an old one coming away, we can help, whatever the surface. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, the work in Claygate Cross is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.

In and around smaller places like Claygate Cross, washroom work is often in halls, pubs, primary schools, care homes and holiday accommodation. Mould gets into sealant in any washroom that doesn’t dry out, and once it’s in, the sealant is replaced.

Every job is signed off with a 12-month guarantee. It’s a plain promise: if the work we did fails within twelve months, we return to fix it.

Where
Claygate Cross (TN15)
Region
Kent
Cover
A 12-month guarantee
Quote
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Busy facilities in and around Claygate Cross

Claygate Cross lies roughly 23 miles out from central London, within the office belt around the capital. Washrooms in commuter-belt offices take constant weekday traffic, which is why the work is phased.

If you manage an office at a site such as Bourne Enterprise Centre, which lies north of Claygate Cross, the washrooms and tea points can be done a floor at a time. At a school such as Borough Green Primary School, changing rooms and kitchens need cleanable joints as much as the toilets. Church halls and community buildings, such as those at The Church of the Good Shepherd, have kitchens and toilets used by many groups, and their sanitary sealant works hard.

Claygate Cross is about 5 miles east of Sevenoaks, in Kent. We send applicators to Claygate Cross for washrooms and wet areas. Claygate Cross is one of 931 places in Kent on our list. Our London page has more on work in that area, about 23 miles away.

Anyone looking for washroom sealing in TN15 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. Streets here include Claygate Cross, Basted Lane and Winfield Lane. Sites close to Claygate Cross are covered too, including Crouch (1 mile east), Basted (1 mile north-west), Borough Green (1 mile north), Plaxtol (1 mile south) and Platt (1 mile north-east). Bigger towns within reach include Maidstone (9 miles east), Dartford (12 miles north), Sevenoaks (5 miles west), Royal Tunbridge Wells (10 miles south), Gravesend (11 miles north) and Tonbridge (5 miles south).

Near you in Claygate Cross

We work on buildings around Wrotham School, The Chequers Inn and Ivy Hatch Nature Reserve. The closest station to Claygate Cross is Borough Green & Wrotham station, roughly 1.2 miles north. Other landmarks nearby include Ightham Court (1.7 miles north-west) and Beechin Wood Archery Museum (1.1 miles north-east).

Map of Claygate Cross © OpenStreetMap contributors

Quoting for work in Claygate Cross

Your fixed quote is built from the real scope. It allows for:

  • How much there is to seal
  • How accessible the joints are
  • Phasing around occupants
  • Induction, permit and paperwork requirements

The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a fixed quote and we will explain how it’s made up.

Before you send an enquiry

To price the job accurately, we need to understand the site. Useful things to include:

  • The type of building and who uses it
  • When you need the work done
  • Whether an asbestos survey exists
  • Drawings or a marked-up plan, if available

To get a fixed quote, call 01277 525 020 or email us. Our quote form is another easy route.

Our process

Working in a building that stays open takes some planning. The work area is signed and kept contained, with routes through the building left open and move on in phases so staff and visitors can carry on around us. Smaller jobs around Claygate Cross can be grouped with others nearby, which keeps travel down. You will have a fixed quote before work starts.

  1. First, the phasing is agreed so facilities stay open.
  2. Leaks, loose panels or damp are pointed out first.
  3. Failed sealant and residue are stripped out.
  4. The right sanitary or food-safe sealant is applied.
  5. We give you a reopening time for every room.

Preparing the site

  • Flag any permit to work we’ll need
  • Share your working hours and any access restrictions
  • Explain the parking and delivery arrangements

Request a quote

If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price against exactly what is specified. Smaller jobs need nothing more than photographs and a few notes.

Ask for a quote

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Commercial clients in Claygate Cross

CHAS accredited and a Constructionline member, we’re straightforward to vet for your supplier list. We are fully insured, and our insurance certificate can go with the quote.

Hospitality, education, healthcare, office and retail clients come to us directly as well. We plan around the way the building is used, so the building keeps working while we do.

Honest limits

Being straight saves everyone time. Fresh joints won’t solve:

  • Leaks through tanking or membranes below the finishes
  • Loose panels, vanity units or tiles, which need fixing first
  • Condensation from failed extract fans

If you are not sure, just call the office on 01277 525 020 or send details through our quote form and we will give you a straight answer.

Surfaces we seal

  • Showers, trays and wet room floors
  • Accessible toilets and changing rooms
  • Vanity units and basins
  • IPS panels and cubicles
  • Kitchens and tea points
  • Urinals and WCs

Looking after the joints

Your facilities or cleaning team can help the joints last. Pass these on to them:

  • Squeegee showers and trays after busy periods
  • Inspect washroom sealant regularly
  • Tell us about infection-control or permit rules before we quote
  • Report split joints at trays and basins early

If a joint we sealed fails within 12 months, tell us and we will look at it. Beyond that, regular checks keep small problems small.

Leaks through tray and wet-floor joints can go unseen until a ceiling marks below. At that stage, boards or ceilings may need repair so failed joints are worth acting on quickly.

Why it’s worth doing now in Claygate Cross

A tired-looking washroom doesn’t always need a refurbishment. If the finishes are in good order, replacing the sealant may do much of what’s needed for now. Older rural buildings around Claygate Cross move with the seasons, and rigid or tired sealant can’t keep up. A sealant with the right movement capability, correctly sized, lasts far better.

We don’t publish prices, since every building and every scope is different. Call for a quote and we’ll price your job on its own details.

Why choose Mastic Doctor in Claygate Cross

  • 12 months’ guarantee on every job
  • Coloured sealants to suit the setting, where available
  • Colours chosen to suit frames, cladding or finishes where possible
  • Our applicators hold CSCS cards

Take a look at what affects the cost or how we’re accredited.

Accreditations

Trusted. Accredited. Insured.