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

Three Bridges washroom sealing

Planning work on a washroom in Three Bridges? We assess it, carry out the work and guarantee our workmanship for 12 months.

  • Sealant stained black around basins and showers
  • Sealant laid over old silicone and now peeling
  • Kitchen worktop joints that can’t be kept clean
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
12-month guarantee on our workmanship.
Covering the South East & Scotland
CHAS accredited
£5m PL insurance

Need washroom sealing in Three Bridges?

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

Washroom sealing for commercial buildings in Three Bridges

From one staff toilet in Three Bridges to washrooms across a whole estate, the route is the same: details first, then a fixed quote, then the work, then the 12-month guarantee. Photos and a rough count of basins, urinals, showers and cubicles help us give a quick quote and a site visit is an option. The enquiries we see most involve split or peeling sealant at shower trays and open joints at the base of cubicle panels, on IPS panels and cubicles, vanity units and basins and showers, trays and wet room floors. One point of contact handles commercial sealant work in Three Bridges from the first photos to the final walk-round, for single jobs and planned programmes alike.

In and around places like Three Bridges, hospitality kitchens and toilets see heavy use in busy spells. Sealed joints at sinks, worktops and splashbacks help keep the kitchen cleanable, using a food-safe product near food preparation.

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.

Where
Three Bridges (RH10)
Wider area
West Sussex
Cover
12 months on every job
Quotes
A fixed quote before we start
Telephone
01277 525 020
Page updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Commercial clients in Three Bridges

As a CHAS accredited contractor and Constructionline member, we are straightforward to vet for your supplier list. We’re fully insured, and our insurance certificate can go with the quote.

Blocks and communal areas make up much of the work for housing associations and agents. Work can be phased so residents and staff keep access throughout, with each stage agreed with your site contact.

Our process

A typical day starts with protection: masking tape along the joint edges and sheeting over anything nearby. The work itself normally takes between a morning and a week or so, set by the number of rooms and the phasing you need, and our waste is bagged and taken away as we go. What matters most for a job in Three Bridges is a clear list of what needs doing, so send photographs of each area. You will then get a fixed price for the work.

  1. We survey each room, count the joints and note anything behind them that needs another trade.
  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

  • Let building users know which areas are affected
  • Make sure the joints can be reached
  • Send your site hours and access windows

Getting a fixed quote

Pricing a project or setting a maintenance budget? Send the scope and any drawings, and we’ll return a fixed quote that you can work with. For a chat about it beforehand, phone 01277 525 020 or send photos by email.

Get a quick quote

Read more

Should maintenance staff do it?

What you see is the finished bead, but most of the work is hidden. Correct depth, the right primer and a sealant matched to the movement are easy to get wrong without experience.

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.

Common questions from Three Bridges clients

Is a hospital such as Crawley 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.

Will you plan work around the academic year at somewhere like Crawley College?

Yes. Education sites normally want the work in vacations or in phases during term, and we plan to suit. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.

Do you work in Three Bridges?

Yes. We cover Three Bridges, and you can speak to us on 01277 525 020 or send photos by email to get started.

Will you quote for a small job?

Whatever the size, the process is the same: send details, get a fixed quote, we seal, guaranteed.

Can you send site paperwork?

Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote.

Are you CHAS accredited?

Yes. Mastic Doctor is CHAS accredited and a Constructionline member.

Which sealant will you use?

Where there’s a specification, we use the product it names. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.

What sets the cost

Your fixed quote is built from the real scope. It takes account of:

  • Travel to remote or island sites
  • The size and state of each joint
  • Any access equipment needed
  • Working within restricted access windows

Whether it’s a single area or a whole estate, the same things set the price: what’s in scope, how we reach it, what’s specified and when it needs doing. Call for a quote and we’ll put a fixed figure on it.

What to include in your enquiry

Good information means a firmer quote. Helpful details to send:

  • Rough lengths or quantities, or drawings if you have them
  • Asbestos survey details if the building is older
  • Access details, including height
  • When you need the work done

Photos, drawings or a schedule of the joints and a fixed quote comes back to you. Where a site visit makes more sense, we will arrange one.

Common problems we fix in Three Bridges

Decorators’ caulk and general sealants sometimes end up where sanitary silicone belongs. They don’t stand up to constant water and they discolour and fail early.

Things that typically lead to an enquiry:

  • Stained sealant around pans and urinals
  • Sealant stained black around basins and showers
  • Stained or open joints at kitchen sinks and worktops
  • Gaps where vanity tops meet the wall

For a hotel such as Sandman Signature London Gatwick Hotel (0.7 miles north-west of Three Bridges), resealing en suites a few rooms at a time keeps the rest available.

Before you book anyone

  • How the joint faces will be prepared and primed
  • How long is the guarantee, and what does it include?
  • Whether their applicators hold CSCS cards
  • Can the work be phased to keep areas open?

How to choose a sealant contractor

Keeping Three Bridges washrooms open while we work

A 2-mile radius around Three Bridges takes in plenty of hotels. Each has en suites, back-of-house toilets and kitchens with sealant that moulds and splits. The work can go floor by floor, agreed with housekeeping. There are three care or nursing homes within about 2 miles of Three Bridges. In a care setting, a mouldy or lifting joint in a wet room is a hygiene issue as much as a cosmetic one. Rooms are done a few at a time at times agreed with the home.

Office toilets at parks like Worth Corner Business Centre, 0.6 miles to the east of Three Bridges, take steady weekday use, and mouldy silicone soon shows. Toilets at places like County Mall (1.1 miles west of Three Bridges) are cleaned constantly, so silicone needs to be sound and smooth.

Three Bridges is about 1 mile east of Crawley, in West Sussex. Businesses, contractors and managing agents in Three Bridges can call on us for washrooms and wet areas. Across West Sussex, 373 places are covered, Three Bridges among them. We also cover Brighton, some 20 miles away.

If you need washroom sealing in RH10, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. Streets here include Ash Road, Mill Road and North Road, and sites on any of them can send details for a fixed quote. Close to Three Bridges, our area also takes in Pound Hill (1 mile north-east), Worth (1 mile south-east), Maidenbower (1 mile south-east), Tilgate (1 mile south-west) and Crawley (1 mile west). Further afield, our area takes in Horsham (8 miles south-west), Haywards Heath (9 miles south), Burgess Hill (11 miles south), East Grinstead (7 miles east), Billingshurst (14 miles south-west) and Bewbush (3 miles west).

Around Three Bridges

Locally, jobs take us to sites close to Hazelwick School, Central Sussex College and Grattons Park and the streets around them. Three Bridges has its own railway station: Three Bridges station. Other landmarks nearby include Crawley Hospital (1.6 miles west) and Crawley Museum (1.2 miles west). Open spaces near Three Bridges include Tilgate Lake.

Map of Three Bridges © OpenStreetMap contributors

Aftercare for building managers

Problems stay small when the joints are checked regularly. Specifically:

  • Clean sealant with gentle products and a soft cloth
  • Add sealant joints to planned maintenance checks
  • Tell us about infection-control or permit rules before we quote
  • Don’t leave trays and floors sitting wet

Keep extract fans working and vents clear. Constant damp lets mould take hold even on anti-mould grades so report fans that aren’t working to your building services team.

Mouldy sealant only gets harder to ignore, and complaints follow. Replacing it early keeps the job to a reseal.

Accreditations

Trusted. Accredited. Insured.