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

Commercial washroom and wet-area sealing in Westwell, Kent

Sealing in commercial washrooms, showers, kitchens and wet areas across Westwell, carried out by CSCS-carded applicators. Fully insured and CHAS accredited.

  • Sealant laid over old silicone and now peeling
  • Washrooms that look worn because of the sealant
  • Stained sealant around pans and urinals
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS accredited
£5m PL insurance

Washroom sealing near Westwell

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

Washroom sealing in Westwell, done properly

Accessible WCs, showers and changing areas have their own pinch points: shower trays, wet-room floor edges, basins and floor-to-wall junctions. An open joint there lets water track under flooring or behind wall panels, so we look at them closely. If you have failed sealant behind washroom basins and stained or open joints at kitchen sinks and worktops, we can help, on showers, trays and wet room floors, IPS panels and cubicles and urinals and WCs alike. Looking for mastic applicators who cover Westwell? We’ve been sealing commercial buildings since 2005, with CSCS-carded applicators.

Rural businesses near smaller places such as Westwell, from cafés to event venues, rely on washrooms and kitchens that stay clean. Tell us your opening times and quiet periods and we will plan around them.

A 12-month guarantee applies to all our work. Should something we installed fail, call the office on 01277 525 020 or email a schedule or drawings and we will come back to it.

Where
Westwell (TN25)
Wider area
Kent
Cover
12 months on our workmanship
Price
A fixed quote before we start
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

How a job runs

We schedule the visit to fit the site hours and access windows you give us. While we’re working, the area stays contained and tidy, and we check in with your contact before moving on to each new area. Smaller jobs around Westwell can be grouped with others nearby. A fixed quote is given before anything starts.

  1. Every room is surveyed and the failed joints listed.
  2. You get a fixed quote with the phasing plan.
  3. Old sealant is removed completely and the faces cleaned.
  4. Each joint is cleaned and left dry.
  5. New anti-mould sealant goes in and is tooled neat.
  6. Each area is handed back when ready.

Getting the site ready

  • Confirm the product named in the specification
  • For older buildings, check the asbestos register before work
  • Tell us your opening times and when work is allowed

Getting a fixed quote

Tell us about the building, the joints and when you need the work done, and we’ll put a fixed quote together. To get it moving, ring 01277 525 020 or email drawings and photos.

Ask for a quote

Read more

Your questions answered

Do hotels near Westwell have to close for sealant work?

Rarely, if ever. We take a few rooms out at a time. We agree the order of rooms and the timings with you before we start.

Can you take on a job at a hospital such as William Harvey Hospital?

Yes, healthcare and care buildings are part of our work. Work is phased so departments keep running, under the site’s own rules.

How long before the toilets can reopen?

The silicone needs time to cure before water reaches it. We plan the phasing around that so there are always rooms open.

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.

Can you send site paperwork?

Let us know which documents the site needs, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm them with the quote.

Will all the toilets be closed at once?

Only the area we’re working in is closed. Rooms go back into use once the sealant has cured and we start the next.

What if there’s asbestos in the old mastic?

Some older mastics, especially in pre-2000 buildings, can contain asbestos. We check the asbestos register before cutting out old sealant in an older building, and work stops until any suspect material has been tested. Removing asbestos is a job for asbestos specialists, not us.

Doing it in-house

Paperwork matters too. 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.

A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

What happens if it’s left?

Cleaning mouldy sealant only masks it but the growth is inside the bead and returns. A full reseal deals with it and cleaners stop fighting a losing battle. For buildings around smaller places like Westwell, water damage can go unnoticed for longer, especially where a building isn’t used daily, so a failed joint can leak for a while before anyone sees it. Resealing early avoids that.

Pricing washrooms and wet areas depends on how many there are, their condition and the access. Ask us for a fixed quote.

Why appoint us

  • Commercial sealant work since 2005
  • Fully insured, including public liability cover
  • Health and safety: CHAS accredited
  • Products installed to the manufacturer’s instructions

See our cost guide and our accreditations and insurance.

Busy facilities in and around Westwell

A 2-mile radius around Westwell takes in a number of hotels. Hotel en suites take daily use, and tired silicone at trays and basins is one of the first things guests notice. Rooms are done in turn so most stay available. Central London is about 46 miles from Westwell, in a commuter belt where offices and business parks are common. Business park offices have washrooms in daily use by staff, so we work a block of facilities at a time.

For a hall at a building such as Church of St Mary, resealing the kitchen and toilets can be fitted between bookings. At a school such as The Hayesbrook School, changing rooms and kitchens need cleanable joints as much as the toilets. Office toilets at parks like Eurogate Business Park, 2.3 miles south-east of Westwell, take steady weekday use, and mouldy silicone soon shows.

Westwell is about 4 miles north of Ashford, in Kent. If you’re looking for washroom sealing in Westwell, we can help, as we do across Kent. We work across 931 places in Kent, large and small. London is covered too, around 46 miles from Westwell.

We take on washrooms and wet areas across the TN25 postcode area. Close to Westwell, our area also takes in Tutt Hill (1 mile south-west), Ram Lane (1 mile west), Potters Corner (1 mile south), Westwell Leacon (2 miles west) and Hothfield (2 miles south-west). Nearby towns on our patch include Maidstone (15 miles west), Ashford (4 miles south), Canterbury (12 miles north-east), Sittingbourne (11 miles north-west), Whitstable (14 miles north-east) and Faversham (9 miles north).

What’s near Westwell

The nearest railway station is Charing station, about 2.6 miles north-west of the centre. Nearby you’ll also find County Square (3.2 miles south) and William Harvey Hospital (4.6 miles south-east).

Map of Westwell © OpenStreetMap contributors

Quoting for work in Westwell

Your fixed quote is built from the real scope. It allows for:

  • Access and working height
  • Whether the work must be split into stages
  • Induction, permit and paperwork requirements
  • Specialist products, such as fire-rated or hygienic sealants

No two sites price the same: the joint sizes, the specified product, access and working hours each have a bearing. Send the details and a fixed figure follows.

What we need to price the job

Whether it’s one area or a whole building, these details speed things up:

  • Drawings or a marked-up plan, if available
  • Specification clauses that apply
  • Whether an asbestos survey exists
  • The site address and postcode

Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Share whatever details you have and we’ll fill any gaps with a visit.

Work for main contractors and building owners

As a CHAS accredited contractor and Constructionline member, we make supplier vetting simple. Our insurance certificate can be sent along with the quote.

Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, and each stage is agreed with your contact.

What sealant work can’t fix

We check first that sealant really is the fix. It isn’t the answer for:

  • A dripping waste or valve behind a panel
  • Failed tanking beneath a wet-room floor or behind tiles
  • Hollow tiles or loose panels behind the joint

Not sure which it is? You can phone 01277 525 020 or email us and we will tell you honestly.

What we seal

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

Trusted. Accredited. Insured.