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

Commercial washroom and wet-area sealing in Newhaven, East Sussex

Our CSCS-carded applicators take on sealing in commercial washrooms, showers, kitchens and wet areas in Newhaven and the surrounding area. Send photos or drawings for a fixed quote.

  • Resealing that didn’t last because the old bead stayed
  • Failed sealant in a tea point or staff kitchen
  • Gaps where vanity tops meet the wall
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
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS accredited
Fully insured: £5m PL

Washroom sealing across Newhaven

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

How we handle washroom sealing in Newhaven

In a busy washroom, the sealant usually gives up long before the tiles or fittings. Around basins, urinals, cubicles, IPS panels and shower trays it takes water, soap, cleaning chemicals and knocks every day and mould that roots into it can’t be cleaned away. We strip it out and lay new anti-mould sanitary silicone. If you’re dealing with open joints along basins and vanity units and sealant stained black around basins and showers, we can put it right. Most enquiries from Newhaven start with one failed joint and grow into a wider look at the building: we look at the rest while we’re there and tell you what we find.

Pubs, restaurants and cafés in a town like Newhaven have kitchens and customer toilets that need smooth, sealed joints. Environmental health officers look at cleanability, and a sound sanitary or hygienic sealant is part of that.

The 12-month guarantee is for workmanship rather than wear and tear. Sealant wears with time, and movement, weather, cleaning and use decide how fast, so we spell out the cover before we begin.

Where
Newhaven (BN9)
Region
East Sussex
Cover
12 months on every job
Quote
Fixed quote, scope in writing
Call
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

What we’re called out for in Newhaven

Low-level joints get hit by mop buckets, cleaning trolleys and feet at skirting lines, urinal bases and around pans.

Clients usually get in touch after noticing something like this:

  • Open joints at the base of cubicle panels
  • Split or peeling sealant at shower trays
  • Complaints from staff, guests or users about tired washrooms
  • Open joints along basins and vanity units

Welfare facilities in units on estates such as Newhaven Industrial Park (to the south-east of Newhaven) have showers, toilets and kitchens with sealant that works hard.

What to look for in a quote

  • How they handle RAMS and site documents
  • Which product they’ll use, and why it suits the joint
  • Will failed sealant be removed rather than covered?
  • Their approach to joint depth and backing

Choosing a commercial sealant contractor

Washroom sealing around Newhaven: how the place shapes the job

Newhaven sits close to the coast, within about 1 mile, and seaside hospitality usually has a peak season that works washrooms hard. Showers and en suites in constant use are where silicone moulds and splits first, so resealing in the quieter months keeps rooms ready. Central London is about 49 miles from Newhaven, within the office belt around the capital. Office washrooms on business parks see heavy weekday use, so we phase work to keep some facilities open.

At a hotel such as The Ship Hotel, less than half a mile to the north of Newhaven, the quieter weeks are the time to reseal bathrooms. Church halls and community buildings, such as those at Church of St Michael and All Angels, have kitchens and toilets used by many groups, and their sanitary sealant works hard.

Newhaven is about 8 miles east of Brighton, in East Sussex. We cover commercial sites throughout Newhaven, for single jobs and planned programmes alike. Newhaven is one of 308 places in East Sussex on our list for washrooms and wet areas. There’s a separate page for Brighton, about 8 miles away.

Postcode districts covered here: BN9 for washrooms and wet areas. Buildings on High Street, Station Road and Dacre Road are within our area for washrooms and wet areas. With the A26 and A259 nearby, Newhaven is easy to get to with materials and equipment. If your building is just outside Newhaven, we cover Denton (1 mile north-east), South Heighton (1 mile north), Piddinghoe (1 mile north-west), Tide Mills (1 mile south-east) and Norton (2 miles east). A short drive away, we cover Eastbourne (10 miles east), Seaford (3 miles south-east), Lewes (6 miles north), Hailsham (10 miles north-east), Uckfield (12 miles north) and Telscombe (3 miles west). As one of the bigger centres in East Sussex, Newhaven has a broad mix of commercial, public and industrial buildings, and we cover them all.

Landmarks near Newhaven

Recent enquiries here include premises near Harbour Primary and Nursery School, The Ship Hotel and Castle Hill. There’s a railway station in Newhaven itself: Newhaven Town station. A little further out are Chailey Heritage Marine Hospital (1.2 miles south-east) and Newhaven Museum (0.5 miles north-east). Green spaces nearby include Itford Hill.

Map of Newhaven © OpenStreetMap contributors

How the quote is worked out

What shapes the price:

  • How much existing material needs removing
  • Induction, permit and paperwork requirements
  • Any access equipment needed
  • The total length or number of joints

Access can matter as much as the joints themselves: joints within easy reach take less time than ones that need access equipment. Mention the access as part of your enquiry.

What we need to price the job

Whether it’s one area or a whole building, the same details help:

  • Clear photos of the problem areas
  • When you need the work done
  • Any specification or named product
  • What the building is and how it’s used

If there’s a specification, drawings or a tender package, send it with your enquiry, and we’ll price the work to it. Smaller jobs need nothing more than photographs and a few notes.

On site: what to expect

Before any cutting starts, the area is protected: tape along each joint edge and covers over finishes, stock and equipment close by. The work itself typically takes a few hours for one toilet block, with bigger buildings phased across a number of visits, and we clear our waste as we work. If you have more than one building in Newhaven, they can often be done on the same visit, with one quote covering them. Tell us when the building is open and we will plan to suit.

  1. First, the phasing is agreed so facilities stay open.
  2. Leaks, loose panels or damp are pointed out first.
  3. Failed sealant and residue are stripped out.
  4. We reseal with the grade suited to each area.
  5. We confirm reopening times for each washroom.

Preparing the site

  • Share your working hours and any access restrictions
  • Explain the parking and delivery arrangements
  • Let us know about inductions and permits

Getting a fixed quote

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. To take the first step, call 01277 525 020 or send details through our quote form.

Get a price

Read more

Different surfaces, different methods

Kitchens and tea points

Staff kitchens and tea points have joints at worktops, sinks and splashbacks. Sealed joints leave no gaps for food and dirt.

Changing rooms and gyms

Changing rooms in gyms and leisure centres stay wet and warm, so mould is a constant battle. Anti-mould sanitary silicone is the standard choice.

Why it’s worth doing now in Newhaven

Open or mouldy joints are hard to keep hygienic, and in kitchens, clinics and schools that is a real concern. Sound, smooth joints are much easier to keep clean. In a town like Newhaven, a split, stained or mouldy joint is often the first thing visitors notice. Fresh sealant makes a building look maintained.

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

Why us?

  • Joints cleaned back to sound surfaces
  • Colours chosen to suit frames, cladding or finishes where possible
  • Colour agreed before work starts
  • Clear, fixed quotes

See our cost guide and our accreditations and insurance.

Looking after the joints

Once the work is signed off, these steps help:

  • Add sealant joints to planned maintenance checks
  • Keep a record of which washrooms need attention
  • Mention any site permits or estates rules at quote stage
  • Leave signs up until the cure time is over

Squeegeeing showers and trays after heavy use helps. Standing water on a joint all day shortens its life.

Water getting behind IPS panels and vanity units can swell the boards. Once that happens, a reseal won’t fix them.

Common questions from Newhaven clients

Will you plan work around the academic year at somewhere like University of Brighton?

Yes. We plan campus work around teaching, exams and residence turnarounds. We’re CHAS accredited and a Constructionline member, and paperwork such as RAMS is confirmed with the quote.

Do hotels near Newhaven have to close for sealant work?

Rarely. Rooms or floors are done in turn, so the rest of the hotel keeps trading. Tell us your quiet periods and access windows and we will plan around them.

Can one quote cover more than one building?

Yes. We take on portfolio and planned maintenance work, planned site by site to suit how each building is used.

Do you have public liability insurance?

Yes. Our insurance certificate can be sent alongside the quote.

What will the job cost?

Each job is quoted on its own details. To get one, phone 01277 525 020 or email the details over.

Can you work to our specification?

Yes. We follow the specification, along with the manufacturer’s installation guidance, and any queries are raised before we start.

How do I request a quote?

The quote form is the simplest route, though you can also call 01277 525 020 or email the details over. Include photographs or drawings if you have them.

Accreditations

Trusted. Accredited. Insured.