The Mastic Doctor team standing beside their branded vans outside an office building
Greater London · England

Commercial washroom and wet-area sealing in North Woolwich, Greater London

We carry out sealing in commercial washrooms, showers, kitchens and wet areas in North Woolwich and the surrounding area. Send photographs or drawings for a fixed quote.

  • Shower tray joints that have opened up
  • Sealant stained black around basins and showers
  • Sealant laid over old silicone and now peeling
1
Send details
Tell us about the site, with photos if you have them.
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.
London, the South East & Scotland
CHAS accredited
Fully insured: £5m PL

Need washroom sealing in North Woolwich?

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

How the quote is worked out

The price varies from site to site. It mainly depends on:

  • Working within restricted access windows
  • Distance, for remote addresses
  • Specialist products, such as fire-rated or hygienic sealants
  • How much there is to seal

The work involved drives the cost: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a quote.

Details that help us quote

A few photographs plus some basic facts will normally do. Please tell us:

  • A wide shot and a close-up of the area
  • Access details, including height
  • Whether an asbestos survey exists
  • Any specification or named product

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To start the process, speak to us on 01277 525 020 or email drawings and photos.

Washroom sealing in North Woolwich, done properly

In healthcare and care settings, sealing is part of keeping surfaces cleanable. We work to your organisation’s estates and infection-control requirements and any site permits. Tell us what records you need and we will confirm with the quote. If you are dealing with stained sealant around pans and urinals and open joints at the base of cubicle panels, we can put it right. Searching for sealant specialists in North Woolwich? We have been sealing commercial buildings since 2005, with CSCS-carded applicators.

Washrooms in London offices, hotels and gyms are used hard from morning to evening. We cut out tired sealant around vanity units, cubicles, IPS panels and showers and lay fresh anti-mould sanitary silicone, a block of facilities at a time.

Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we’re clear about what is covered before work starts.

The Mastic Doctor team standing beside their branded vans outside an office building
Place
North Woolwich (SE18, E16, E6)
Wider area
Greater London
Guarantee
A 12-month guarantee
Quote
Quoted before any work starts
Phone
01277 525 020
Updated
3 November 2026

How a job runs

Where the site stays busy, we agree a sequence with your contact so the disruption stays in one area at once. Each area is protected, prepared and sealed, then reopened once the sealant allows before the next one starts. For a job in North Woolwich, access comes first. Send the building rules and access times with your enquiry.

  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. Failed silicone is removed completely and the surfaces cleaned of every trace.
  4. Each joint is degreased and left dry, because silicone won’t bond to damp or soapy surfaces.
  5. New sanitary silicone with anti-mould additives goes in and is tooled neat.
  6. Each room is handed back once the sealant has had its cure time.

What we need from you

  • For older buildings, check the asbestos register before work
  • Tell staff and tenants when we’ll be in
  • Clear stock, furniture or equipment away from the joints

Quotes

Specifications, drawings and tender packages are welcome with any enquiry, and we will price the work to it. For smaller jobs, photographs and a description will do.

Get a quick quote

Advice

What we can’t put right

We check first that sealant really is the fix. It won’t put right:

  • A room that stays damp because ventilation isn’t working
  • Vanity carcasses that have swollen
  • A dripping waste or valve behind a panel

If you are not sure, just speak to us on 01277 525 020 or use the quote form and we will give you a straight answer before you book.

Surfaces we seal

  • IPS panels and cubicles
  • Kitchens and tea points
  • Vanity units and basins
  • Showers, trays and wet room floors
  • Urinals and WCs
  • Accessible toilets and changing rooms

Why it’s worth doing now in North Woolwich

When a washroom looks worn, a refit isn’t the only answer. Where tiles, panels and fittings are sound, new sealant may be enough to put it right for now. In North Woolwich, each extra visit means more notices, permits and disruption, so a proper job first time, with the old sealant fully removed, is worth it.

Pricing washrooms and wet areas depends on how many there are, their condition and the access, and any specification that applies. Call for a quote.

What you get with us

  • One number for every site we cover
  • Work carried out by CSCS-carded applicators
  • Public liability insurance in place
  • Sealing commercial buildings since 2005

See our cost guide or our accreditations and insurance.

Aftercare for building managers

Sealant joints are maintenance items, and their life depends on movement, exposure, cleaning and use. We suggest:

  • Add sealant joints to planned maintenance checks
  • Clean sealant with gentle products and a soft cloth
  • Report split joints at trays and basins early
  • Mention any site permits or estates rules at quote stage

We hand each area back once the silicone has had the cure time the product needs. We’ll tell you when the wet areas can be used and signage stays in place until that time.

A split joint at a shower tray can leak for a long time before anyone sees it. At that stage, boards or ceilings may need repair so failed joints are worth acting on quickly.

Building owners, agents and FMs in North Woolwich

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.

Agents, factors and owners’ representatives all follow the same route: send the details, accept a fixed quote, and we carry out and guarantee the work. We can agree access arrangements and keyholder contacts beforehand.

Washroom sealing in North Woolwich: the local picture

There are a good number of hotels within about 2 miles of North Woolwich. Hotel en suites take daily use, and tired silicone at trays and basins is one of the first things guests notice. We work a handful of rooms at a time, so the hotel keeps letting the rest. North Woolwich has four care or nursing homes no more than 2 miles away. Assisted bathrooms and wet rooms in care settings need sanitary sealant that stays cleanable. Each room is kept out of use only as long as the sealant needs.

For an occupier at a site such as Standard Industrial Estate (less than half a mile south-west of North Woolwich), the canteen and welfare facilities need cleanable joints as much as any office. Toilets at places like Beckton Retail Park (to the north of North Woolwich) are cleaned constantly, so silicone needs to be sound and smooth. Clinical washrooms at sites like Cygnet Hospital Beckton, 0.9 miles north of North Woolwich, are scheduled with the ward so the room is out of use for as little time as possible.

North Woolwich is about 1 mile north of Woolwich, in Greater London. We cover commercial sites throughout North Woolwich, whether it’s a single job or part of a planned programme. We work across 764 places in Greater London, from busy centres to rural villages. We also cover London, around 7 miles from North Woolwich.

Work on washrooms and wet areas is covered throughout SE18, E16 and E6, whatever the building. We cover commercial and managed buildings on Drew Road, Tate Road and Pier Road. Sites close to North Woolwich are covered too, including Cyprus (1 mile north), Royal Docks (1 mile north-west), Beckton (1 mile north-east), Silvertown (1 mile west) and Custom House (1 mile west). Further afield, our area takes in London (7 miles west), City of Westminster (9 miles west), Marylebone (9 miles west), Kensington (11 miles west), St Pancras (8 miles west) and Shoreditch (6 miles west).

Near you in North Woolwich

Locally, jobs take us to sites close to Beckton District Park, Drew Primary School and The Mitre pub. North Woolwich’s nearest station is Woolwich Dockyard station, roughly 0.7 miles south of the centre. Nearby you will also find British Hospital for Mothers and Babies (0.8 miles south-west) and Gallions Reach Shopping Park (1.1 miles north-east). For a walk, there’s Gilbert's Pit.

Map of North Woolwich © OpenStreetMap contributors

Questions about North Woolwich

Can you work in a London building with booked loading and goods-lift slots?

Yes. Inductions, permits and timed loading are routine for us in London. Send the building rules and access times with your enquiry. We allow for the ULEZ, which covers every borough

Can work at a site such as University of East London fit around teaching?

Yes. We plan campus work around teaching, exams and residence turnarounds. Let us know which documents your site asks for, and we will confirm them alongside the quote.

How much does the work cost?

We don’t publish prices, as every site differs. With photographs or drawings, we can give you a fixed quote.

Are you insured?

Yes. We’re fully insured, and the certificate can go with your quote.

Do you do washroom sealing in healthcare settings?

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

How do we ask for a quote?

The quote form is the simplest route, though you can also give us a call on 01277 525 020 or email a schedule or drawings. Photos, drawings or a joint schedule help us quote quickly.

When can showers be used after new sealant?

That varies with the sealant and the room temperature. You’ll get a reopening time for each area before we leave it.

Accreditations

Trusted. Accredited. Insured.