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

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

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

  • Failed sealant in a tea point or staff kitchen
  • Resealing that didn’t last because the old bead stayed
  • Split or peeling sealant at shower trays
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
12-month guarantee on our workmanship.
Covering the South East & Scotland
CHAS & Constructionline
£5m public liability

Washroom sealing for businesses in Chithurst

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

Washroom sealing for commercial buildings in Chithurst

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. We work on urinals and WCs, IPS panels and cubicles and kitchens and tea points, and the usual reasons a site gets in touch are gaps where vanity tops meet the wall and kitchen worktop joints that can’t be kept clean. For commercial sealant work in Chithurst, you deal with one contact from quote to sign-off, whether it’s one building or several.

Halls and community buildings near places like Chithurst are used by different groups through the week, and their toilets and kitchens show it. Fresh anti-mould sanitary silicone at sinks, worktops and toilets keeps them cleanable.

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.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Chithurst (GU31)
Wider area
West Sussex
Cover
A 12-month guarantee
Price
A fixed quote before we start
Call
01277 525 020
Updated
3 November 2026

When something else is needed

Before quoting, we check that sealant is the right answer. It won’t put right:

  • Failed tanking beneath a wet-room floor or behind tiles
  • A room that stays damp because ventilation isn’t working
  • A dripping waste or valve behind a panel

If you’re not sure, just call 01277 525 020 or use the quote form and we will give you a straight answer before you book.

Where we work in Chithurst

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

What sets the cost

There’s no standard rate for sealant work, because every site is different. What we take into account:

  • Which sealant the job calls for
  • Quantities, in metres or numbers
  • Removal of failed or old sealant
  • Backing rod, priming and other preparation

Access often affects the price as much as the sealing: joints within easy reach take less time than ones that need access equipment. Tell us how the joints are reached and call for a quote.

Sending details for a quote

Diagnosis starts before we arrive. Let us know:

  • The product your specification calls for
  • Anything awkward about access or site hours
  • The site address and postcode
  • The type of building and who uses it

Let us know the site, the scope and your timescale, and we will put a fixed quote together. To get it moving, phone 01277 525 020 or email drawings and photos.

What we are called out for in Chithurst

Mop buckets, trolleys and knocks from users damage joints near the floor at skirting lines, urinal bases and around pans.

Site and facilities staff are often the first to spot these:

  • Urinal joints that look unhygienic
  • Failed sealant behind washroom basins
  • Shower tray joints that have opened up
  • Panel joints letting water behind

Church halls and community buildings, such as those at Chithurst Church, have kitchens and toilets used by many groups, and their sanitary sealant works hard.

Before you book anyone

  • Their pre-qualification and accreditations
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • What site paperwork they can supply
  • The terms of the workmanship guarantee

How to choose a sealant contractor

Looking after the joints

Keep the joints in good shape with a few simple steps:

  • Photograph and log failed joints across the estate
  • Clean sealant with gentle products and a soft cloth
  • Add sealant joints to planned maintenance checks
  • Act on the first split you see at a shower tray

Add washroom sealant to routine inspections. Look for black spotting, cracks, peeling edges and gaps at the busiest fittings and log what you find.

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

Questions about Chithurst

Is hospital work, at somewhere like Midhurst Community Hospital, something you do?

Yes. We work in healthcare settings as well as offices and schools. Each area is agreed with the ward or department and the estates team in advance.

Must every washroom in our Chithurst building shut while you work?

Rarely all at once: work is phased so some facilities are always available. We’ll tell you the curing time for the product before we start.

Can weather delay the job?

For external joints, yes. The joint has to be dry and within the product’s temperature range, so frost, rain or cold mornings can delay outside work. Internal work is rarely affected.

How soon can a washroom be used after resealing?

The silicone needs time to cure before water reaches it. Phasing is planned with the cure time in mind so there are always rooms open.

Can washrooms stay open while you work?

Only the area we are working in is closed. Rooms go back into use once the sealant has cured and we start the next.

How do we ask for a quote?

The quote form is the simplest route, though you can also give us a call on 01277 525 020 or email a schedule or drawings. Photos, drawings or a joint schedule help us quote quickly.

Can you follow the specification on our project?

Yes. Send it with your enquiry, and we will price the work to it.

Diagnose, treat, sign off

Our CSCS-carded applicators arrive with the sealants, primers and backing rod the job calls for. Joint faces are cleaned back to sound, dry surfaces, primer goes on where the manufacturer specifies it, and each bead is tooled to a neat concave finish. If others near Chithurst need work, visits can be combined. A fixed quote is given before anything starts.

  1. We survey each room, count the joints and note anything behind them that needs another trade.
  2. We agree which rooms close and when, so users always have somewhere to go.
  3. Failed silicone is removed completely and the surfaces cleaned of every trace.
  4. Each joint is degreased and left dry, because silicone won’t bond to damp or soapy surfaces.
  5. New sanitary silicone with anti-mould additives goes in and is tooled neat.
  6. Rooms reopen after the product’s cure time, and we move to the next.

What we need from you

  • Send your site hours and access windows
  • Explain the parking and delivery arrangements
  • Send any specification or drawings in advance

Request a quote

Quotes are fixed against the scope you send, so the cost is agreed before work starts. To start the process, ring 01277 525 020 or email us.

Get a quick quote

Read more

Keeping Chithurst washrooms open while we work

At about 46 miles from central London, Chithurst is within reach of the capital, within the office belt around the capital. Office toilets in the commuter belt are in use from first arrivals to last departures, so we work a block of facilities at a time.

At a hotel such as Southdowns Hotel, 1.3 miles to the south-west of Chithurst, the quieter weeks are the time to reseal bathrooms. Healthcare estates like Midhurst Community Hospital (2.9 miles east of Chithurst) expect contractors to follow their permits and cleaning rules in every washroom.

Chithurst is about 6 miles east of Petersfield, in West Sussex. We send applicators to Chithurst for washrooms and wet areas. Chithurst is one of 373 places in West Sussex on our list for washrooms and wet areas. Sites around Portsmouth have their own page, roughly 18 miles from Chithurst.

Work on washrooms and wet areas is covered throughout GU31, whatever the building. We also cover Trotton Marsh (1 mile north-west), Borden (1 mile north-west), Rogate (2 miles west), Milland (2 miles north) and Rake (4 miles north-west) for washrooms and wet areas. A short drive away, we cover Bognor Regis (15 miles south), Chichester (11 miles south), Billingshurst (15 miles east), Portfield (11 miles south), Yapton (15 miles south-east) and Midhurst (3 miles south-east).

Local landmarks in Chithurst

In Chithurst, that means premises near The Keeper's Arms Public House. The closest station to Chithurst is Liphook station, roughly 4.9 miles north of the centre. Nearby you will also find Midhurst Museum (2.9 miles east) and Midhurst Community Hospital (2.9 miles east). The countryside around Chithurst includes Wheeler's Down and Iping and Stedham Commons.

Map of Chithurst © OpenStreetMap contributors

Why deal with it now?

Waiting for a holiday closure can leave failing joints in place for a long time. Phasing lets it happen now, with facilities kept in use. Converted and older buildings near places like Chithurst tend to move, and aged sealant cracks. The right product, sized to the joint, copes much better.

The price depends on the quantity of joints, how much old material needs removing and how the joints are reached. Call for a quote when you’re ready.

Why us?

  • Colours chosen to suit frames, cladding or finishes where possible
  • Sealing commercial buildings since 2005
  • A Constructionline member, so easy to vet
  • Clear, fixed quotes

Take a look at what affects the cost or our accreditations.

Accreditations

Trusted. Accredited. Insured.