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

Commercial washroom and wet-area sealing in Broad Street, East Sussex

Sealing in commercial washrooms, showers, kitchens and wet areas in Broad Street and across East Sussex. CHAS accredited and fully insured, with a 12-month guarantee.

  • A new bead over an old one coming away
  • Mould spotting along silicone joints
  • Shower tray joints that have opened up
1
Send details
Drawings, photos, a joint schedule or a site visit.
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
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
Constructionline member
£5m PL insurance

Washroom sealing for businesses in Broad Street

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

Quoting for work in Broad Street

Sealant work doesn’t have a standard rate, because every site is different. What we look at:

  • How accessible the joints are
  • Quantities, in metres or numbers
  • The product specified
  • Phasing around occupants

A quote for washrooms and wet areas depends on quantities, condition and access. Call for a quote.

Before you send an enquiry

A good diagnosis starts with the right details. Let us know:

  • The postcode of the building
  • A wide shot and a close-up of the area
  • Specification clauses that apply
  • The asbestos register, for older buildings

Specifications, drawings and tender packages are welcome with any enquiry, and we’ll price against exactly what is specified. For smaller jobs, photos and a description will do.

How we handle washroom sealing in Broad Street

When mould has spotted a silicone joint, more cleaning won’t remove it. The mould has rooted into the silicone itself so it returns whatever the cleaning regime. Replacing the bead is the lasting treatment. If you are dealing with sealant stained black around basins and showers and a new bead over an old one coming away, we can help, on accessible toilets and changing rooms, vanity units and basins and kitchens and tea points alike. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, in Broad Street it comes down to the same thing: failed joints cut out, faces prepared and the right sealant laid to the right depth.

In and around smaller places like Broad Street, washroom work is often in halls, pubs, primary schools, care homes and holiday accommodation. Sealant that has gone black with mould normally can’t be cleaned, so it is cut out and replaced.

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.

The Mastic Doctor team beside their liveried vans in front of an office building
Place
Broad Street (TN36)
Wider area
East Sussex
Cover
12 months on our workmanship
Price
Fixed quote, scope in writing
Telephone
01277 525 020
Page updated
3 November 2026

Our process

Diagnose, treat, sign off: that’s the shape of every visit. First comes an inspection and agreement on scope, then we prepare and seal each joint with the specified product, and the job ends with a walk round and sign-off. If others near Broad Street need work, visits can be combined. You’ll have a fixed quote before work starts.

  1. First, the phasing is agreed so facilities stay open.
  2. Leaks, loose panels or damp are pointed out first.
  3. Old sealant is stripped and the faces prepared.
  4. The right sanitary or food-safe sealant is applied.
  5. We confirm reopening times for each washroom.

Before we start on site

  • Move anything stored against the joints
  • Confirm the product named in the specification
  • Flag any permit to work we’ll need

Request a quote

For a fixed quote, give us a call on 01277 525 020 or send photos by email. You can also send details through our quote form.

Get a quick quote

Advice

Questions we’re asked in Broad Street

Do you take on work at healthcare sites like Conquest Hospital?

Yes, hospitals are one of the sectors we cover. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

Is Broad Street too far out for you?

Not at all: smaller places are covered as well as towns. Our area covers London and the South East counties. Where we can, we group nearby jobs to make the most of each trip.

Do you need to remove the old sealant?

We always remove it. New silicone won’t stick to the old, so sealing over it soon peels.

Will cleaning remove black mould from sealant?

Surface cleaning won’t reach mould that has rooted into the bead. We replace the sealant with an anti-mould sanitary grade and check the ventilation isn’t the cause.

Are you insured?

Yes. Mastic Doctor is fully insured, public liability included.

Do you take on small jobs?

Single areas, one-off repairs and whole buildings are all quoted the same way: send details, get a fixed quote, we seal, guaranteed.

How do you choose the sealant?

Where there’s a specification, we use the product it names. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

Commercial clients in Broad Street

Hotels, schools, healthcare sites, offices and retail units come to us directly as well. We plan around the way the building is used, so guests, pupils, patients or staff are disturbed as little as possible.

We take on planned maintenance as well as one-off repairs: working through a building or an estate in stages that fit your budget. Sites in Broad Street can sit alongside others in a wider programme across East Sussex.

Should maintenance staff do it?

Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we’ll confirm the paperwork you need with the quote.

Some joints are best left to specialists: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. A poor seal in places like these tends to cost more to put right later.

Aftercare for building managers

Once the work is signed off, a little attention goes a long way:

  • Leave signs up until the cure time is over
  • Don’t leave an open joint at a basin or tray
  • Add sealant joints to planned maintenance checks
  • Avoid scourers and harsh descalers on silicone

Ventilation is half the battle. A room that stays damp will grow mould on almost anything, so get faulty extract looked at.

Mouldy sealant only gets harder to ignore and users notice. Replacing it early keeps the job to a reseal.

Keeping Broad Street washrooms open while we work

Broad Street sits close to the coast, within about 3 miles, and seaside hospitality usually has a peak season that works washrooms hard. Bathrooms turned round daily in the busy months need sound, cleanable joints, and the quieter months are the natural time to reseal. Broad Street is about 51 miles from central London, in a commuter belt where offices and business parks are common. Office toilets in the commuter belt are in use from first arrivals to last departures, so we phase work to keep some facilities open.

For a site such as Conquest Hospital, which lies south-west of Broad Street, sanitary joints in clinical areas need sound, cleanable sealant and a careful method. Where you’re responsible for a hall attached to a building such as The Parish Church of St Nicholas, its kitchen and toilets need sealant that stays cleanable. Pupil toilets at schools like Icklesham Church of England Primary School take heavy daily use, and the holidays give the window to reseal.

Broad Street is about 5 miles north-east of Hastings, in East Sussex. Anywhere in TN36, it works the same way: send details, get a fixed quote, we seal, and the work is guaranteed. Broad Street is one of 308 places we cover in East Sussex. We also cover Brighton, some 35 miles away.

Work on washrooms and wet areas is covered throughout TN36, whatever the building. Close to Broad Street, our area also takes in Icklesham (1 mile east), Udimore (1 mile north), Cock Marling (2 miles north-east), Three Oaks (2 miles south-west) and Broadland Row (2 miles north-west). Nearby towns on our patch include Hastings (5 miles south-west), Bexhill-on-Sea (9 miles south-west), St Leonards (6 miles south-west), Hastings Old Town (5 miles south-west), Belmont (5 miles south-west) and Hollington (5 miles south-west).

Around Broad Street

For rail, the closest station is Doleham station, about 1.8 miles west. A little further out are Camber Castle (3.7 miles east) and Winchelsea Court Hall Museum (2.5 miles east). Green spaces nearby include Flatropers Wood.

Map of Broad Street © OpenStreetMap contributors

How the job changes by surface

Showers and trays

Shower joints in hotels, gyms and workplaces work hard. Every joint is stripped, degreased, dried and given a new bead.

Basins and vanity tops

A failed joint along a vanity unit lets water into the carcass. Resealing early protects the unit.

Accreditations

Trusted. Accredited. Insured.