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

Commercial washroom and wet-area sealing in Patching, West Sussex

Sealant work in Patching for main contractors, managing agents and facilities managers: sealing in commercial washrooms, showers, kitchens and wet areas, with a fixed quote first.

  • Sealant stained black around basins and showers
  • Kitchen worktop joints that can’t be kept clean
  • Sealant lifting along a tray edge
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS accredited
£5m public liability

Washroom sealing for businesses in Patching

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

Washroom sealing in Patching

You can’t shut every toilet in an office, school or hotel at once. Work is phased by room or by section, so there are always facilities in use. Give us your site hours and access windows and the phasing is planned around them. If you’re dealing with sealant lifting along a tray edge and a new bead over an old one coming away, we can put it right. Facilities teams, main contractors and managing agents in Patching tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

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

What our 12-month guarantee covers is the way we did the job: preparation, application and finish. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

Where
Patching (BN13)
Region
West Sussex
Cover
A 12-month guarantee
Quote
Quoted before any work starts
Telephone
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Cost factors for washrooms and wet areas

There’s no standard rate for sealant work, since sites vary so much. What we take into account:

  • Specialist products, such as fire-rated or hygienic sealants
  • Backing rod, priming and other preparation
  • The site’s rules and procedures
  • How accessible the joints are

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

What to include in your enquiry

For an accurate fixed quote, we need a clear picture of the site. Send us:

  • The asbestos register, for older buildings
  • Your programme or deadline
  • Anything awkward about access or site hours
  • The type of building and who uses it

Quotes are fixed against the scope you send, so you know the figure before anyone is on site. To start the process, phone 01277 525 020 or send details through our quote form.

Should maintenance staff do it?

Using site staff can make sense for a small touch-up, but anything bigger is another matter: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

Redoing a failed joint typically costs more than getting it right at the outset, since all of it has to come out and the faces be cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.

Common questions from Patching clients

Is a hospital such as Goring Hall Hospital somewhere you can work?

Yes, provided the work is planned with the site’s estates team. Work is phased so departments keep running, under the site’s own rules.

Can work in a care setting near Patching go ahead while residents are there?

Yes. We agree rooms and times with the manager and work a few areas at a time. We follow the home’s own procedures throughout.

What do you charge?

It depends on the job: the volume of work, the access, the specified product and how it’s phased. Call for a quote.

How do you deal with asbestos in old sealant?

The duty to manage asbestos sits with the building’s dutyholder, so we’ll ask for the register before work on an older building. If anything suspect turns up, we stop until it’s tested.

Is it OK to put new silicone on top of the old?

We strip every bit of the failed bead and wipe away the residue first. It’s the difference between a joint that lasts and one that peels.

Do your applicators hold CSCS cards?

Yes. If you need card details for site access, let us know and we’ll send them with the quote.

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.

Why deal with it now?

A tired washroom says a lot about how a building is run. Guests, clients, pupils and patients notice stained joints before they notice much else. Resealing is a modest task with a very visible payoff. Older rural buildings around Patching 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.

No two sites price the same: the joint sizes, the specified product, access and working hours each have a bearing. A fixed quote follows once we understand the job.

Why us?

  • Old sealant cut out, never sealed over
  • Fully insured
  • Work carried out by CSCS-carded applicators
  • Coloured sealants to suit the setting, where available

See our cost guide or how we’re accredited.

Commercial washrooms in Patching

Two care or nursing homes sit less than 2 miles from Patching. In care settings, wet rooms, assisted bathrooms and en suites rely on clean, sound sealant. We plan the work with the manager so residents are disturbed as little as possible. At about 48 miles from central London, Patching is within reach of the capital, within the office belt around the capital. Business park offices have washrooms in daily use by staff, which is why the work is phased.

Pupil toilets at schools like Clapham and Patching CofE Primary School take heavy daily use, and the holidays give the window to reseal. If you manage an office at a site such as Gosling Croft Business Centre, under half a mile south-east of Patching, the washrooms and tea points can be done a floor at a time. Where you’re responsible for a hall attached to a building such as The Parish Church of St John the Divine, its kitchen and toilets need sealant that stays cleanable.

Patching is about 3 miles north-west of Worthing, in West Sussex. Any commercial site in Patching is covered, whether it’s a single job or part of a planned programme. 373 places across West Sussex fall within our area, including Patching. There’s a separate page for Brighton, about 14 miles away.

Postcode districts covered here: BN13 for washrooms and wet areas. Streets here include The Street and Coldharbour Lane. Just outside Patching, we also work in Clapham (1 mile south-east), Hammerpot (2 miles west), Cote (2 miles east), Angmering (2 miles south-west) and Hangleton (2 miles south). Bigger towns within reach include Worthing (3 miles south-east), Bognor Regis (11 miles west), Chichester (14 miles west), Littlehampton (4 miles south-west), Shoreham-by-Sea (8 miles east) and Lancing (6 miles east).

Around Patching

In Patching, that means premises near The Fox pub, The Angmering School and Clapham Wood, among other places. The closest station to Patching is Goring-By-Sea station, roughly 2.3 miles south-east. Nearby you will also find Museum of Sussex Folklore (3.1 miles south-east) and Old Castle (3.1 miles south-east). Not far away are WWT Arundel and Highdown Hill.

Map of Patching © OpenStreetMap contributors

What we can’t put right

Some faults sit outside our scope, and we say so rather than covering them up:

  • Mould caused by poor ventilation, which will return until the extract is fixed
  • Water escaping beneath the floor rather than through a joint
  • Leaking pipes, traps, wastes or cisterns, which need a plumber

If in doubt, speak to us on 01277 525 020 or email drawings and photos and we will say what we think.

Where we work in Patching

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

Maintenance after handover

For the best life from the joints:

  • Share your site rules when you send details
  • Don’t leave an open joint at a basin or tray
  • Keep extract fans working and vents clear
  • Clear standing water from shower floors where possible

Where possible, have shower floors and trays squeegeed after busy periods. Joints that sit wet for hours fail sooner.

Leaks through tray and wet-floor joints can go unseen until a ceiling marks below. By then, other trades may be needed as well so failed joints are worth acting on quickly.

Diagnose, treat, sign off

A typical day starts with protection: masking tape along the joint edges and sheeting over anything nearby. The work itself typically takes a few hours for one toilet block, with bigger buildings phased across a number of visits, and our waste is bagged and taken away as we go. For a building around Patching, tell us how to find it and who will meet us. Add it to your enquiry and we’ll build it into the plan.

  1. We start by inspecting the fittings and joints and flagging problems sealant can’t solve.
  2. A phasing plan keeps part of the building’s facilities in use at all times.
  3. The failed silicone is stripped and every face scraped clean of residue.
  4. Joints are cleaned, degreased and dried before sealing.
  5. A bead of anti-mould sanitary silicone goes in and is tooled to a smooth, cleanable profile.
  6. Each room is handed back once the sealant has had its cure time.

Preparing the site

  • Send asbestos survey details if the building is pre-2000
  • Point out any areas we must not close
  • Make sure the joints can be reached

Get a fixed quote

A good quote starts with a clear picture: what’s there, how much of it, how we reach it and what’s specified. Send what you have, and we will arrange a site visit if anything is unclear.

Get a price

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