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

Riverhead washroom sealing

Our CSCS-carded applicators take on sealing in commercial washrooms, showers, kitchens and wet areas in Riverhead and the surrounding area. Send details for a fixed quote.

  • A new bead over an old one coming away
  • Failed joints along IPS and cubicle panels
  • Open joints along basins and vanity units
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
Covering the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Washroom sealing for businesses in Riverhead

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

Washroom sealing in Riverhead, done properly

You can’t shut every toilet in an office, school or hotel at once. Work is phased by room or by section, so staff, guests or pupils always have somewhere to go. Give us your site hours and access windows and the phasing is planned around them. Site teams most often ask us about open joints at the base of cubicle panels and sealant lifting along a tray edge, on vanity units and basins, urinals and WCs and IPS panels and cubicles. Most enquiries from Riverhead start with one failed joint and grow into a wider look at the building: we look at the rest while we’re there and tell you what we find.

Around Riverhead, washroom work normally comes one building at a time. Photos of each area help us plan the visit and bring the right sealant.

What our 12-month guarantee covers is the way we did the job: the preparation, the sealing and the tooling. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

The Mastic Doctor team beside their liveried vans in front of an office building
Place
Riverhead (TN13, TN14)
Region
Kent
Cover
12 months on every job
Price
Quoted before any work starts
Telephone
01277 525 020
Page updated
3 November 2026

When something else is needed

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

  • A room that stays damp because ventilation isn’t working
  • A dripping waste or valve behind a panel
  • Water escaping beneath the floor rather than through a joint

If you’re not sure, just give us a call on 01277 525 020 or email a schedule or drawings and we’ll give you a straight answer before you book.

Joints and surfaces we work on

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

Keeping the joints sound

Sealant joints are maintenance items, and how long they last depends on how they’re treated. We suggest:

  • Keep washrooms out of use until we say the sealant has cured
  • Make sure washroom ventilation is running
  • Don’t leave an open joint at a basin or tray
  • Tell us about infection-control or permit rules before we quote

Any failure in our workmanship within the 12-month guarantee is ours to put right. Beyond that, regular checks keep small problems small.

In food areas, cleanability is something environmental health officers look at. Failed sealant around sinks and worktops is easy to put right in good time.

Your questions answered

Would you work within a site like Sevenoaks Hospital?

Yes, healthcare and care buildings are part of our work. Work is phased so departments keep running, under the site’s own rules.

Is Riverhead off your patch?

No. Places such as Riverhead are covered as much as the big towns. We cover Greater London and the counties of the South East. Good photos up front let us bring everything on the first visit.

How do you choose the sealant?

Where there’s a specification, we use the product it names. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

Is there a guarantee on the work?

A 12-month guarantee covers the work. It applies to our workmanship, not to plumbing leaks or damp from poor ventilation.

Is old silicone taken out first?

The failed bead is always removed. Fresh silicone can’t key to an old bead so a bead over the top fails quickly.

What will the job cost?

Each job is quoted on its own details. For yours, speak to us on 01277 525 020 or email us with a description of the work.

Can you clean the mould off instead of resealing?

Cleaning may lighten it, but the mould returns. We replace the sealant with an anti-mould sanitary grade and check the ventilation isn’t the cause.

General trades versus a specialist

Putting right a botched joint often costs more than sealing it well at the start, because the whole bead must be removed and the faces cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.

For a quick touch-up, site staff may be fine, but anything bigger is another matter: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

How a job runs

We begin with a short walk round with whoever looks after the building, agreeing which joints are in scope, where to start and what must stay open. Then we strip out anything that has failed, prepare every joint and seal it. Work in places the size of Riverhead is planned as a single visit where we can. Clear photographs and measurements help us bring the right products.

  1. We inspect each washroom and record the joints to be resealed.
  2. You get a fixed quote with the phasing plan.
  3. Old sealant is removed completely and the faces cleaned.
  4. Joints are degreased and dried.
  5. New anti-mould sealant goes in and is tooled neat.
  6. Rooms reopen after the cure time.

Getting the site ready

  • Make sure the joints can be reached
  • Let us know about inductions and permits
  • Agree which areas must stay open

Quotes

Specifications, drawings and tender packages are welcome with any enquiry, and we will price against exactly what is specified. Smaller jobs need nothing more than photos and a few notes.

Get a price

Related advice

How the quote is worked out

To price the job, we consider:

  • Which sealant the job calls for
  • Location, for remote and island sites
  • Phasing around occupants
  • Access and working height

The specified product makes a difference, as does the preparation each joint needs. Access, phasing and site rules also count.

Before you send an enquiry

To price the job accurately, we need a clear picture of the site. Useful things to include:

  • When you need the work done
  • The postcode of the building
  • Whether the building will be occupied during the work
  • The product your specification calls for

Let us know the site, the scope and your timescale, and a fixed quote will follow. The easiest way is to phone 01277 525 020 or email a schedule or drawings.

Signs you need washroom sealing in Riverhead

Daily commercial cleaning wears sealant faster than people expect. Strong chemicals, scourers and jet washing roughen, discolour or lift a bead, and dirt and mould then get a foothold.

It’s worth sending us details if you spot any of the following:

  • Failed joints along IPS and cubicle panels
  • Discoloured joints around urinals and WC pans
  • Resealing that didn’t last because the old bead stayed
  • Sealant lifting along a tray edge

Healthcare washrooms on sites such as Sevenoaks Hospital, 1.1 miles to the east of Riverhead, are resealed area by area, under the site’s own infection-control rules.

Questions to ask before you book

  • Are they CHAS accredited or on Constructionline?
  • Will failed sealant be removed rather than covered?
  • The terms of the workmanship guarantee
  • Their public liability cover

How to choose a sealant contractor

Wet areas in Riverhead’s workplaces

Central London is about 19 miles from Riverhead, within the office belt around the capital. Washrooms in commuter-belt offices take constant weekday traffic, so we phase work to keep some facilities open. A number of hotels sit less than 2 miles from Riverhead. Behind every hotel door there’s a bathroom whose sealant will need renewing sooner or later.

For a hotel such as Donington Manor Hotel, which lies north of Riverhead, resealing en suites a few rooms at a time keeps the rest available. Office toilets at parks like Salters Heath Business Centre (to the south-west of Riverhead) take steady weekday use, and mouldy silicone soon shows.

Riverhead is about 1 mile west of Sevenoaks, in Kent. Businesses, contractors and managing agents in Riverhead can call on us for washrooms and wet areas, as part of our coverage of Kent. Riverhead is one of 931 places we cover in Kent. Our London page has more on work in that area (19 miles or so).

We take on washrooms and wet areas across the TN13 and TN14 postcode area, for business premises of every kind. Buildings on London Road, Hamlin Road and Witches Lane are within our area for washrooms and wet areas. Sites close to Riverhead are covered too, including Dunton Green (1 mile north), Bessels Green (1 mile south-west), Sevenoaks (1 mile east), Chipstead (1 mile west) and Kippington (1 mile south). A short drive away, we cover Maidstone (15 miles east), Dartford (11 miles north), Royal Tunbridge Wells (11 miles south), Gravesend (14 miles north-east), Tonbridge (8 miles south-east) and Northfleet (13 miles north-east).

Landmarks near Riverhead

In Riverhead, that means premises near The Beehive Public House, Trinity School and Montreal Park and the streets around them. The nearest railway station is Sevenoaks station, about 0.8 miles south-east. A little further out are Kemsing Castle Bank (3 miles north-east) and Sevenoaks Museum (1.4 miles south-east). For a walk, there’s Dryhill Nature Reserve and Betsom's Hill.

Map of Riverhead © OpenStreetMap contributors
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