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

Commercial washroom and wet-area sealing in Forest Row, East Sussex

Sealing in commercial washrooms, showers, kitchens and wet areas in Forest Row. CHAS accredited and fully insured, with a 12-month guarantee.

  • Complaints from staff, guests or users about tired washrooms
  • Mould spotting along silicone joints
  • Gaps where vanity tops meet the wall
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
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Signed off, with 12 months’ guarantee.
Covering the South East & Scotland
CHAS accredited
Fully insured: £5m PL

Washroom sealing for businesses in Forest Row

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

Aftercare for building managers

After handover, these steps help:

  • Report faulty extraction promptly
  • Don’t leave an open joint at a basin or tray
  • Leave signs up until the cure time is over
  • Don’t leave trays and floors sitting wet

Keep extract fans working and vents clear. A room that stays damp will grow mould on almost anything so report fans that aren’t working to your building services team.

Leaks through tray and wet-floor joints can go unseen until a ceiling marks below. At that stage, boards or ceilings may need repair so failed joints are worth acting on quickly.

Washroom sealing in Forest Row, done properly

In healthcare and care settings, sealing is part of keeping surfaces cleanable. Your estates and infection-control requirements, and any permits the site uses, shape how we work. Tell us what records you need and we’ll confirm with the quote. If you’re dealing with failed joints along IPS and cubicle panels and shower tray joints that have opened up, we can help, on urinals and WCs, vanity units and basins and IPS panels and cubicles alike. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Forest Row is the same: the right product in a properly prepared joint.

A place of Forest Row’s size will typically have a few buildings with commercial washrooms: a school, a surgery, a pub or café, perhaps a care home. They don’t need a big crew, but they do need old sealant fully cut out before anti-mould silicone goes on.

We stand by our work with a 12-month guarantee. It covers how we prepared and applied the sealant.

Place
Forest Row (RH18)
Region
East Sussex
Guarantee
12 months on every job
Quote
Fixed quote, scope in writing
Phone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

For managing agents and facilities managers

Main contractors use us as their sealant subcontractor, on new build and refurbishment alike. Programme, specification and site rules come first.

FMs need a contractor who is easy to get on site. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm with the quote.

Our process

Before any cutting starts, the area is protected: tape along each joint edge and covers over finishes, stock and equipment close by. On site, the work usually takes between a morning and a week or so, set by the number of rooms and the phasing you need, and we clear our waste as we work. For a job in Forest Row, the main thing is a clear picture of the work. You’ll then get a fixed price for the work.

  1. Every washroom is checked joint by joint, with loose panels, leaks or damp noted for the right trade.
  2. A phasing plan keeps part of the building’s facilities in use at all times.
  3. We strip out the old bead and clean off the residue left behind.
  4. We clean and dry every surface so the new sealant can grip.
  5. We lay a sanitary silicone bead and tool it smooth so it is easy to clean.
  6. You get a reopening time for every room, with signage left up until then.

What we need from you

  • Send asbestos survey details if the building is pre-2000
  • Make sure the joints can be reached
  • Share your working hours and any access restrictions

Request a quote

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

Get a price

Read more

Why act early in Forest Row

A failed joint behind a basin or along a shower tray lets water run where it shouldn’t. In a commercial building that can mean damaged boards, stained ceilings on the floor below and odours, and fixing that takes far more work than resealing. Sealant hardens, cracks and loses grip with age, UV and movement. Replacing it before it fails keeps water out.

We don’t publish prices, since every building and every scope is different. Call for a quote.

Why appoint us

  • Workmanship guaranteed for 12 months
  • Sealing commercial buildings since 2005
  • RAL and finish matching where the product range allows
  • CHAS accredited contractor

Take a look at how commercial sealant jobs are priced or our accreditations and insurance.

Busy facilities in and around Forest Row

Forest Row lies roughly 29 miles out from central London, in a commuter belt where offices and business parks are common. Washrooms in commuter-belt offices take constant weekday traffic, and resealing in phases keeps facilities available.

Pupil toilets at schools like Forest Row Church of England Primary School take heavy daily use, and the holidays give the window to reseal. At a hospital like Queen Victoria Hospital, which lies north-west of Forest Row, patient and staff washrooms are best done in short phases agreed with the ward.

Forest Row is about 3 miles south-east of East Grinstead, in East Sussex. We cover commercial sites throughout Forest Row. We work across 308 places in East Sussex, large and small. Brighton is covered too, around 19 miles from Forest Row.

Work on washrooms and wet areas is covered throughout RH18. We cover commercial and managed buildings on Evelyn Clark Square, Station Road and London Road. Nearby places we also cover include Coleman's Hatch (1 mile east), Wych Cross (2 miles south), Upper Hartfield (2 miles east), Chelwood Gate (3 miles south) and Birchgrove (3 miles south-west) for washrooms and wet areas. Bigger towns within reach include Lewes (15 miles south), Crowborough (6 miles south-east), Uckfield (9 miles south), South Malling (15 miles south), Heathfield (13 miles south-east) and Southover (15 miles south).

Near you in Forest Row

Locally, jobs take us to sites close to Foresters Arms and Greenfields School, among other places. For rail, the closest station is East Grinstead station, roughly 3.2 miles north-west of the centre. Other landmarks nearby include East Grinstead Museum (2.8 miles north-west) and Bolebroke Castle (3.6 miles north-east).

Map of Forest Row © OpenStreetMap contributors

What the job involves on each surface

Healthcare and care settings

In healthcare, sealed joints are part of infection control. We work to your estates and infection-control requirements as well as site permits.

IPS and cubicle panels

IPS panels and cubicle systems have joints at the wall, the floor and the worktop. They stop water reaching the panel boards.

Your questions answered

Is Forest Row too small for you to travel to?

No. Small places get the same service as large ones. Our area covers London and the South East counties. We plan jobs in smaller places so return trips are kept to a minimum.

Do we have to close all our washrooms in Forest Row for resealing?

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

Do you work to architects’ specifications?

Yes. The specification and the manufacturer’s installation guidance are what we work to, and any queries are raised before we start.

How do you choose the sealant?

The specification comes first, if there is one. If there isn’t one, it comes down to the joint: its movement, its surfaces and what it has to cope with.

Can weather delay the job?

For external joints, yes. Sealant needs a dry joint and a temperature within the product’s range, so frost, rain or cold mornings can delay outside work. Inside work is seldom held up.

What will the job cost?

There isn’t a price list, because every site is different. With photographs or drawings, we can give you a fixed quote.

Can you clean the mould off instead of resealing?

Not for long. The mould is inside the silicone so cleaning only lightens it for a while. Replacement is the lasting fix.

Signs you need washroom sealing in Forest Row

Warmth, moisture and soap residue are exactly what mould needs, and sealant joints trap all three. Even anti-mould grades can be colonised over time where extraction is poor.

What tends to prompt an enquiry:

  • Washrooms that look worn because of the sealant
  • Kitchen worktop joints that can’t be kept clean
  • Panel joints letting water behind
  • Urinal joints that look unhygienic

At a hotel such as Brambletye Hotel, under half a mile to the north of Forest Row, the quieter weeks are the time to reseal bathrooms.

Before you book anyone

  • What site paperwork they can supply
  • The named product and why it was chosen
  • Are they CHAS accredited or on Constructionline?
  • The terms of the workmanship guarantee

How to choose a sealant contractor

Accreditations

Trusted. Accredited. Insured.