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

Washroom Sealing contractors in Broadfield

Washroom sealing for Broadfield, from a contractor working since 2005. Fully insured, with a 12-month guarantee.

  • Failed sealant in a tea point or staff kitchen
  • 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
A fixed quote for the work, with the scope in writing.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
Constructionline member
£5m PL insurance

Need washroom sealing in Broadfield?

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

What happens if it’s left?

Waiting for a holiday closure can leave failing joints in place for a long time. With phasing, the work can go ahead while most facilities stay open. A failed joint lets water into a building whatever its size. Catching it early means a reseal rather than repairs.

Pricing washrooms and wet areas depends on quantities, condition and access, plus any specification you are working to. Ask us for a fixed quote.

Why us?

  • Health and safety: CHAS accredited
  • Colour agreed before work starts
  • Specification-led, product-correct work
  • One number for every site we cover

Read our cost guide or how we’re accredited.

How we handle washroom sealing in Broadfield

Black spotting along a sealant bead is not a cleaning problem. The mould has rooted into the silicone itself so it returns whatever the cleaning regime. Only replacement gets rid of it for good. We work on IPS panels and cubicles, urinals and WCs and accessible toilets and changing rooms, and what we are called in for most is urinal joints that look unhygienic and panel joints letting water behind. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, in Broadfield it comes down to the same thing: the right product in a properly prepared joint.

In a smaller place such as Broadfield, commercial washrooms tend to be in schools, pubs, cafés, surgeries, care homes and sports clubs. They don’t need a big crew, but they do need old sealant fully cut out before anti-mould silicone goes on.

Whoever the client is, the cover is the same: twelve months on the work we carried out. Faults in the structure, damage and other trades’ work fall outside it, and we say so plainly.

Where
Broadfield (RH11, RH10)
Wider area
West Sussex
Cover
12 months on every job
Quote
Quoted before any work starts
Telephone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Broadfield: questions and answers

Can you take on a job at a hospital such as Crawley Hospital?

Yes. We work in healthcare settings as well as offices and schools. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

Can you work around term dates at a campus such as Crawley College?

Yes, holiday working periods are the norm on campus jobs. Tell us which site documents you need, such as RAMS, our insurance certificate or CSCS details, and they’re confirmed with the quote.

Do you hold CHAS accreditation?

Yes. We are CHAS accredited, we are a Constructionline member and we use CSCS-carded applicators.

Do you work in hospitals, clinics and care homes?

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

Can washrooms stay open while you work?

The work is phased so users always have somewhere to go. We work through the building a room or section at a time around your site hours and access windows.

Are your applicators CSCS-carded?

Yes. Our applicators hold CSCS cards, as many construction sites ask for.

How long do sealant joints last?

There isn’t a single answer, since movement, weather, cleaning and use all affect it. Regular checks let you plan resealing before leaks or damage.

When to bring in a specialist

For a quick touch-up, site staff may be fine, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

Putting right a botched joint often costs more than sealing it well at the start, since all of it has to come out and the faces be cleaned back again. That’s why many clients bring in a specialist from the beginning.

What we’re called out for in Broadfield

Sometimes the sealant fails because something behind it is moving or wet: a loose panel, a leaking waste or water coming through the wall. We check for that first and say if it needs a plumber or another trade.

Most enquiries start with one or more of the following:

  • Sealant laid over old silicone and now peeling
  • Black mould inside silicone joints that cleaning can’t shift
  • Split or peeling sealant at shower trays
  • Stained or open joints at kitchen sinks and worktops

Office toilets at parks like Tilgate Forest Business Centre, 0.6 miles east of Broadfield, take steady weekday use, and mouldy silicone soon shows.

Comparing quotes

  • What level of public liability insurance do they hold?
  • How the existing material will be dealt with
  • Who will actually carry out the work
  • Do they follow the manufacturer’s priming guidance?

How to choose a sealant contractor

Surface by surface

Showers and trays

A tray flexes every time it’s used and is constantly wet. Tray perimeters are a frequent source of leaks.

Kitchens and tea points

Kitchen joints need to be smooth and sealed so they can be cleaned properly. Where food contact is possible, we use a hygienic, food-safe sealant.

Commercial washrooms in Broadfield

Broadfield lies roughly 28 miles out from central London. Washrooms in commuter-belt offices take constant weekday traffic, which is why the work is phased. The area within 2 miles of Broadfield holds a good number of hotels. En suite bathrooms, staff changing rooms and kitchens all need their sanitary silicone renewed in time. We work a handful of rooms at a time, so the hotel keeps letting the rest.

Clinical washrooms at sites like Crawley Hospital, 1.5 miles north of Broadfield, are scheduled with the ward so the room is out of use for as little time as possible. For a college such as Crawley College, 1.8 miles to the north-east of Broadfield, half-term and summer give the windows for washroom work.

Broadfield is about 1 mile south-west of Crawley, in West Sussex. Across the RH11 postcode area, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. 373 places across West Sussex fall within our area, Broadfield among them. Brighton is covered too, around 18 miles from Broadfield.

We cover the RH11 and RH10 postcode districts. Streets here include Terry Road, Hobbs Road and Clark Road, and sites on any of them can send details for a fixed quote. Nearby places we also cover include Kilnwood Vale (2 miles west), Colgate (2 miles south-west), Faygate (2 miles west), Handcross (3 miles south) and Plummers Plain (4 miles south). Bigger towns within reach include Horsham (5 miles west), Haywards Heath (8 miles south-east), Burgess Hill (10 miles south), East Grinstead (9 miles east), Billingshurst (12 miles south-west) and Roffey (4 miles west).

Landmarks near Broadfield

We work on buildings around Cottesmore School, Target Hill Park and The New Moon pub and the streets around them. The nearest railway station is Crawley station, roughly 1.4 miles north-east of the centre. A little further out are Crawley Hospital (1.5 miles north) and Crawley Museum (1.7 miles north-east). Not far away are Tilgate Lake.

Map of Broadfield © OpenStreetMap contributors

On site: what to expect

We follow your site rules from the start: signing in, inductions and any permit to work. Once we’re cleared to begin, we take the joints in the sequence agreed with you, and each area is checked before we leave it. For a site in Broadfield, we plan so the whole job is done in one go where possible. Clear photographs and measurements help us bring the right products.

  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. We clean and dry every surface so the new sealant can grip.
  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.

What we need from you

  • Share your working hours and any access restrictions
  • Clear stock, furniture or equipment away from the joints
  • Share the asbestos register for older buildings

Ask for a quote

Need a figure for a tender or a budget? Send the scope and any drawings, and we’ll return a fixed quote you can plan around. For a chat about it beforehand, give us a call on 01277 525 020 or email the details over.

Get a price

Advice

After the work

Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. We suggest:

  • Keep extract fans working and vents clear
  • Clean sealant with gentle products and a soft cloth
  • Note failing joints building by building
  • Include joints in routine washroom inspections

Ask your cleaning team to use gentle products and soft cloths on sealant. Strong acids, solvents and scourers wear the surface over time.

A few failed joints can be resealed with hardly any disruption. Left, it tends to become a building-wide job with more phasing to plan.

Accreditations

Trusted. Accredited. Insured.