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

Washroom Sealing contractors in Upper Kingston

Sealing in commercial washrooms, showers, kitchens and wet areas across Upper Kingston, by CSCS-carded applicators. CHAS accredited and fully insured.

  • Failed sealant behind washroom basins
  • Open joints at the base of cubicle panels
  • Black mould inside silicone joints that cleaning can’t shift
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
CHAS accredited
Fully insured: £5m PL

Washroom sealing for Upper Kingston sites

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

Diagnose, treat, sign off

Working in a building that stays open takes some planning. The work area is signed and kept contained, keep walkways clear and move on in phases so staff and visitors can carry on around us. Rural sites near Upper Kingston may need directions, gate codes or a contact on site. Add it to your enquiry and we will build it into the plan.

  1. We agree which washrooms close and when.
  2. Leaks, loose panels or damp are pointed out first.
  3. Failed sealant and residue are stripped out.
  4. We reseal with the grade suited to each area.
  5. We give you a reopening time for every room.

Getting the site ready

  • Tell us what induction or permit system the site runs
  • Send your site hours and access windows
  • Agree which areas must stay open

Get a fixed quote

For a fixed quote, call 01277 525 020 or email the details over. You can also send details through our quote form.

Get a price

Related advice

About our washroom sealing in Upper Kingston

In a commercial washroom, sealant is normally the first thing to wear out. Basin tops, urinal backs, panel joints and shower trays put it under water, chemicals and daily cleaning and mould that roots into it can’t be cleaned away. The fix is to remove it completely and reseal with sanitary silicone containing anti-mould additives. We work on urinals and WCs, IPS panels and cubicles and showers, trays and wet room floors, and what we’re called in for most is mould spotting along silicone joints and open joints at the base of cubicle panels. For commercial sealant work in Upper Kingston, you deal with one contact from quote to sign-off, whether it’s one building or several.

Farm shops, cafés and venues in converted rural buildings around places like Upper Kingston have busy toilets and kitchens. Tell us your opening times and quiet periods and we’ll plan around them.

Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we are clear about what is covered before work starts.

The Mastic Doctor team beside their liveried vans in front of an office building
Where
Upper Kingston (BH24)
Region
Hampshire
Cover
A 12-month guarantee
Quotes
Quoted before any work starts
Phone
01277 525 020
Last updated
3 November 2026

Maintenance after handover

Regular inspection catches problems early. Specifically:

  • Share your site rules when you send details
  • Don’t leave trays and floors sitting wet
  • Photograph and log failed joints across the estate
  • Add sealant joints to planned maintenance checks

We hand each area back once the silicone has had the cure time the product needs. You’ll be told when showers and basins can be used again and signage stays in place until that time.

Mouldy sealant only gets harder to ignore and users notice. Dealing with it while it’s just the sealant keeps it simple.

Common questions from Upper Kingston clients

Is hospital work, at somewhere like St Leonard's Hospital, something you do?

Yes. We work in healthcare settings as well as offices and schools. We follow the site’s permits, sign-in and infection-control procedures in every area.

Must a hotel around Upper Kingston close while you work?

Almost never. The work is phased so most rooms stay available. The plan is built around your bookings.

Do you do washroom sealing in healthcare settings?

We work in clinics, hospitals and care homes. Any records you need are confirmed with the quote before we start.

Do you need to remove the old sealant?

The failed bead is always removed. New silicone won’t stick to the old so a bead over the top fails quickly.

What about RAMS and site documents?

Each site asks for different documents, so tell us what you need and we’ll confirm it when we quote.

Will you come and look before quoting?

That depends on the size and complexity of the job. Straightforward work can often be priced from photos and measurements, while larger or less clear jobs get a site visit first.

What will the job cost?

That depends on the job: quantities, access, the product and any phasing. Call for a fixed quote and we’ll price it properly.

Why act early in Upper Kingston

Running fresh silicone along a failed bead hides the problem briefly. It doesn’t bond, so it peels and traps dirt behind it. Cutting out completely and cleaning back takes a little longer and lasts. For buildings around smaller places like Upper Kingston, water damage can go unnoticed for longer, especially where a building isn’t used daily, which gives a failed joint time to do damage. Renewing joints in good time avoids the problem.

Pricing washrooms and wet areas depends on how many there are, their condition and the access, and any specification that applies. Call for a quote.

Why appoint us

  • Over 20 years of commercial sealing
  • Specification-led, product-correct work
  • 12-month guarantee on workmanship
  • CHAS accredited contractor

Read what affects the cost and our accreditations.

Honest limits

Not every problem is a sealant problem, and we are upfront when that’s the case. It won’t fix:

  • Water escaping beneath the floor rather than through a joint
  • Panel boards already damaged by water
  • Fittings that move too much to hold a bead

If you are not sure, just ring 01277 525 020 or email us and we’ll give you a straight answer before you book.

Joints and surfaces we work on

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

For managing agents and facilities managers

For main contractors, we work as the sealant subcontractor. Programme, specification and site rules come first, with CSCS-carded applicators on site.

Hospitality, education, healthcare, office and retail clients come to us directly as well. The work is planned around how the building runs, so guests, pupils, patients or staff are disturbed as little as possible.

Keeping Upper Kingston washrooms open while we work

The 2 miles around Upper Kingston include four care or nursing homes. In a care setting, a mouldy or lifting joint in a wet room is a hygiene issue as much as a cosmetic one. Each room is kept out of use only as long as the sealant needs. A 2-mile radius around Upper Kingston takes in several hotels. Hotel en suites take daily use, and tired silicone at trays and basins is one of the first things guests notice. We work a handful of rooms at a time, so the hotel keeps letting the rest.

Where you are responsible for a hall attached to a building such as Trinity Congregational Church, its kitchen and toilets need sealant that stays cleanable. For a college such as Sheiling College, which lies west of Upper Kingston, half-term and summer give the windows for washroom work.

Upper Kingston is in Hampshire. We send applicators to Upper Kingston for washrooms and wet areas, handled exactly as we handle every other area. Across Hampshire, 723 places are covered, Upper Kingston among them. Our Southampton page has more on work in that area (18 miles or so).

We cover the BH24 postcode districts for washrooms and wet areas. If your building is just outside Upper Kingston, we cover Crow (1 mile east), Hightown (1 mile north-east), Bagnum (1 mile south-east), Ringwood (1 mile north) and Poulner (1 mile north). Bigger towns within reach include Totton (13 miles north-east), Lymington (11 miles south-east), New Milton (7 miles south-east), Barton on Sea (8 miles south-east), Marchwood (15 miles east) and Ashley (7 miles south-east).

Landmarks near Upper Kingston

Recent enquiries here include premises near Ringwood School and The Elm Tree Inn, among other places. Nearby you will also find St Leonard's Hospital (3.8 miles west). Open spaces near Upper Kingston include Blashford Lakes and Linbrook Lake.

Map of Upper Kingston © OpenStreetMap contributors

Do you need washroom sealing in Upper Kingston?

Daily commercial cleaning wears sealant faster than people expect. Strong chemicals, scourers and jet washing roughen, discolour or lift a bead so grime sticks to the damaged surface.

Look out for the following:

  • Panel joints letting water behind
  • Shower tray joints that have opened up
  • Kitchen worktop joints that can’t be kept clean
  • Sealant stained black around basins and showers

Welfare facilities in units on estates such as Crow Arch Lane Industrial Estate, 0.6 miles to the north-west of Upper Kingston, have showers, toilets and kitchens with sealant that works hard.

Comparing quotes

  • Will RAMS and insurance details be available?
  • Their pre-qualification and accreditations
  • The named product and why it was chosen
  • Do they follow the manufacturer’s priming guidance?

How to choose a sealant contractor

Accreditations

Trusted. Accredited. Insured.