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

Washroom Sealing in Edgware

We carry out sealing in commercial washrooms, showers, kitchens and wet areas in Edgware. Send photos or drawings for a fixed quote.

  • Failed sealant behind washroom basins
  • Users noticing mouldy joints
  • Failed sealant in a tea point or staff kitchen
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
CHAS accredited
£5m PL insurance

Washroom sealing for Edgware sites

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

Diagnose, treat, sign off

Tell us your site hours and access windows and we’ll plan around them. While we’re working, the area stays contained and tidy, and your contact hears from us before we move to the next area. In Edgware, most buildings stay in use during the work, so we agree zones and timings with the building or facilities manager. Phased work keeps the rest of the building in use.

  1. First, the phasing is agreed so facilities stay open.
  2. Anything behind the joints that needs another trade is flagged.
  3. Failed sealant and residue are stripped out.
  4. The right sanitary or food-safe sealant is applied.
  5. We give you a reopening time for every room.

What we need from you

  • Arrange parking or a loading space
  • For older buildings, check the asbestos register before work
  • Make sure the joints can be reached

Ask for a quote

Tell us about the building, the joints and when you need the work done, and we will put a fixed quote together. To get it moving, speak to us on 01277 525 020 or send details through our quote form.

Get a quick quote

Advice

Washroom sealing for commercial buildings in Edgware

In a commercial washroom, sealant is typically the first thing to wear out. Basin tops, urinal backs, panel joints and shower trays put it under water, chemicals and daily cleaning and mould that roots into it can’t be cleaned away. We strip it out and lay new anti-mould sanitary silicone. We work on urinals and WCs, accessible toilets and changing rooms and vanity units and basins, and what we’re called in for most is stained or open joints at kitchen sinks and worktops and sealant laid over old silicone and now peeling. Facilities teams, main contractors and managing agents in Edgware tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

In a London area such as Edgware, commercial washrooms in offices, hotels and leisure buildings see constant use. Mouldy or split sealant at vanity tops, IPS panels and urinals is replaced with anti-mould sanitary silicone, in phases so some facilities stay open.

Guaranteed is the last step of every job. You get a 12-month guarantee on our workmanship, and the quote explains what it covers.

The Mastic Doctor team standing beside their branded vans outside an office building
Where
Edgware (HA8, NW7, HA7)
Wider area
Greater London
Guarantee
12 months on our workmanship
Price
Quoted before any work starts
Phone
01277 525 020
Updated
3 November 2026

FAQs: Edgware

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

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

Will our hotel in Edgware need to close for the work?

In most cases no closure is needed: we work room by room or floor by floor. We agree the order of rooms and the timings with you before we start.

Will you quote for a small job?

Small jobs are welcome alongside larger packages. Send details for a fixed quote.

Can you follow the specification on our project?

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

Can weather delay the job?

Outside, yes. Sealant needs a dry joint and a temperature within the product’s range, so damp, frosty or very cold days can stop external work. Internal work is rarely affected.

Can you send site paperwork?

Requirements differ from site to site, so tell us what you need and we’ll confirm it when we quote.

Can washrooms stay open while you work?

Just the room being resealed is out of use. Rooms go back into use once the sealant has cured and we start the next.

Leave it or put it right?

When a washroom looks worn, a refit isn’t the only answer. If the finishes are in good order, replacing the sealant may do much of what’s needed while bigger works are planned. Failed sealant in a building in Edgware can quickly affect neighbours, tenants or the floor below: water travels through shared structures, and a small leak becomes a dispute between occupiers. Putting it right early is less disruptive than dealing with the consequences.

What a job costs comes down to how many linear metres there are, what has to come out first and how the joints are reached. Call for a quote when you are ready.

Why appoint us

  • Coloured sealants to suit the setting, where available
  • Failed material removed, not covered up
  • Public liability insurance in place
  • Work to your specification and the manufacturer’s guidance

Read how commercial sealant jobs are priced and our accreditations.

Keeping Edgware washrooms open while we work

Edgware has a number of hotels close by, all within 2 miles. Behind every hotel door there’s a bathroom whose sealant will need renewing sooner or later. We work a handful of rooms at a time, so the hotel keeps letting the rest. The 2 miles around Edgware include two care or nursing homes. Care home wet rooms and en suites are used every day and cleaned hard, which tells on the silicone. Rooms are done a few at a time at times agreed with the home.

For centre management at a site such as Broadwalk Centre, 0.5 miles south-west of Edgware, washroom work is planned around footfall. For an occupier at a site such as Mill Yard Industrial Estate (1 mile south of Edgware), the canteen and welfare facilities need cleanable joints as much as any office.

Edgware is about 4 miles west of Finchley, in Greater London. Commercial clients in Edgware use us for work on washrooms and wet areas, as part of our coverage of Greater London. Edgware is one of 764 places we cover in Greater London for washrooms and wet areas. Our London page has more on work in that area, about 11 miles away.

Work on washrooms and wet areas is covered throughout HA8, NW7 and HA7, whatever the building. Buildings on Station Road, Edgware Road High Street and Hillcrest Avenue are within our area. Being close to the A5100, Edgware is easy to get to with materials and equipment. Just outside Edgware, we also work in The Hale (1 mile east), Broadfields Estate (1 mile north), Burnt Oak (1 mile south-east), Canons Park (1 mile south-west) and Little Stanmore (1 mile south-west). Nearby towns on our patch include London (11 miles south-east), City of Westminster (9 miles south-east), Marylebone (9 miles south-east), Kensington (9 miles south), St Pancras (9 miles south-east) and Shoreditch (10 miles south-east).

What’s near Edgware

Around Edgware, our work takes us to commercial buildings near The Northgate School, Railway Hotel and London Academy and the streets around them. The closest station to Edgware is Mill Hill Broadway station, about 1.1 miles south-east of the centre. A little further out are Hilfield Castle (3.6 miles north-west) and Broadwalk Centre (0.5 miles south-west). For a walk, there’s Darland's Lake and Mill Hill Old Railway Nature Reserve.

Map of Edgware © OpenStreetMap contributors

What the job involves on each surface

Changing rooms and gyms

We phase work so not every changing area is closed at once. Phasing follows your site hours and access windows.

Wet-room floors and floor-to-wall joints

Wet floors are common in accessible showers and changing rooms so the edges are checked carefully.

Common problems we fix in Edgware

We often find acrylic caulk or general-purpose sealant in joints that should have sanitary silicone. They don’t stand up to constant water, and they stain, crack or wash out.

If one of these sounds familiar, it’s time for a closer look:

  • Failed sealant in a tea point or staff kitchen
  • Panel joints letting water behind
  • Open joints along basins and vanity units
  • Mould spotting along silicone joints

On a healthcare site such as Edgware Community Hospital, 0.9 miles to the south of Edgware, washroom work starts with the infection-control team’s sign-off.

What your quote should include

  • How they handle RAMS and site documents
  • What level of public liability insurance do they hold?
  • The named product and why it was chosen
  • How long is the guarantee, and what does it include?

Questions to ask before you appoint anyone

Quoting for work in Edgware

The price varies from site to site. Expect it to depend on:

  • Access and working height
  • Site requirements such as inductions and permits
  • How much existing material needs removing
  • Specialist products, such as fire-rated or hygienic sealants

A quote for washrooms and wet areas depends on how many there are, their condition and the access, plus any specification you are working to. Call for a quote.

What to include in your enquiry

Diagnosis starts before we arrive. Tell us:

  • Any dates the work must fit around
  • The postcode of the building
  • The product your specification calls for
  • What the building is and how it’s used

A handful of photos and a postcode is the fastest way to a quote. Send them through the quote form, or ring 01277 525 020 or send photos by email to discuss it first.

Should maintenance staff do it?

General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.

There’s also the paperwork. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and our CSCS-carded applicators are used to working under those rules.

Accreditations

Trusted. Accredited. Insured.