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

Commercial washroom and wet-area sealing in Ash, Kent

Work needed on a washroom in Ash? We assess it, carry out the work and guarantee our workmanship for 12 months.

  • Black mould inside silicone joints that cleaning can’t shift
  • Sealant laid over old silicone and now peeling
  • Kitchen worktop joints that can’t be kept clean
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
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
CHAS accredited
£5m PL insurance

Need washroom sealing in Ash?

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

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 normally takes a few hours for one toilet block, with bigger buildings phased across a number of visits, and our waste is bagged and taken away as we go. What matters most for a job in Ash is a clear list of what needs doing. A fixed quote follows.

  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. We strip out the old bead and clean off the residue left behind.
  4. Each joint is degreased and left dry, because silicone won’t bond to damp or soapy surfaces.
  5. We lay a sanitary silicone bead and tool it smooth so it is easy to clean.
  6. You get a reopening time for every room, with signage left up until then.

Preparing the site

  • Arrange parking or a loading space
  • Send your site hours and access windows
  • Confirm the product named in the specification

Getting a fixed quote

Every quote starts with the facts: the joints involved, quantities, access and the product called for. Share whatever details you have and we’ll fill any gaps with a visit.

Get a quick quote

Advice

How we handle washroom sealing in Ash

In healthcare and care settings, sealing is part of keeping surfaces cleanable. Your estates and infection-control requirements, and any permits the site uses, shape how we work. Tell us what records you need and we’ll confirm with the quote. We work on vanity units and basins, showers, trays and wet room floors and accessible toilets and changing rooms, and what we are called in for most is washrooms that look worn because of the sealant and resealing that didn’t last because the old bead stayed. Searching for sealant specialists in Ash? We have been sealing commercial buildings since 2005.

In and around places like Ash, hospitality kitchens and toilets see heavy use in busy spells. Smooth, sealed joints at worktops, sinks and wall cladding make cleaning easier.

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.

Place
Ash (CT3)
Region
Kent
Cover
12 months on every job
Price
Fixed quote, scope in writing
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Why deal with it now?

A tired washroom says a lot about how a building is run. Guests, clients, pupils and patients notice stained joints even when the room is otherwise spotless. Resealing is a modest task with a very visible payoff. A failed joint lets water into a building whatever its size. Catching it early means a reseal rather than repairs.

Every site prices differently: joint size, product, access and site hours all play a part. A fixed quote follows once we understand the job.

Why us?

  • Our applicators hold CSCS cards
  • Over 20 years of commercial sealing
  • Fully insured, including public liability cover
  • Fixed quotes based on photos, drawings or a visit

See what affects the cost or how we’re accredited.

When something else is needed

Some faults sit outside our scope, and we say so rather than covering them up:

  • Panel boards already damaged by water
  • Leaks through tanking or membranes below the finishes
  • Leaking pipes, traps, wastes or cisterns, which need a plumber

If in doubt, speak to us on 01277 525 020 or use the quote form and we will say what we think before you book.

Surfaces we seal

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

Building owners, agents and FMs in Ash

If you look after buildings for someone else, you need clear quotes and clear reporting. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative.

We take on planned maintenance as well as one-off repairs: resealing failed joints building by building, on a schedule that suits your budget. Sites in Ash can sit alongside others in a wider programme across Kent.

When to call us in Ash

Mop buckets, trolleys and knocks from users damage joints near the floor, especially at floor edges and around urinals and WC pans.

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

  • Split or peeling sealant at shower trays
  • Stained sealant around pans and urinals
  • Washrooms that look worn because of the sealant
  • Kitchen worktop joints that can’t be kept clean

Office washrooms on sites such as Birnham Farm Business Centre, 1.4 miles south-east of Ash, are in use all working day, so resealing is phased to keep some open.

Questions to ask before you book

  • What the guarantee covers, and for how long
  • What site paperwork they can supply
  • How the existing material will be dealt with
  • How the joint faces will be prepared and primed

How to choose a sealant contractor

Maintenance after handover

Regular inspection catches problems early. In particular:

  • Leave signs up until the cure time is over
  • Mention any site permits or estates rules at quote stage
  • Avoid scourers and harsh descalers on silicone
  • Act on the first split you see at a shower tray

If a joint we sealed fails within 12 months, tell us and we will look at it. Beyond that, regular checks keep small problems small.

Inspectors look at whether kitchen surfaces can be kept clean. Resealing sinks, worktops and splashbacks before an inspection is a simple step.

Busy facilities in and around Ash

Ash lies roughly 61 miles out from central London. Business park offices have washrooms in daily use by staff, and resealing in phases keeps facilities available.

Pupil toilets at schools like Ash Cartwright and Kelsey Church of England Primary School take heavy daily use, and the holidays give the window to reseal. Church halls and community buildings, such as those at Church of St Nicholas, have kitchens and toilets used by many groups, and their sanitary sealant works hard.

Ash is about 7 miles north-west of Deal, in Kent. Commercial clients in Ash can call on us for washrooms and wet areas. We work across 931 places in Kent, from busy centres to rural villages. For work in that direction, see our London page (61 miles or so).

Business premises anywhere in CT3 are within our area for washrooms and wet areas. We cover commercial and managed buildings on The Street, Goodban Square and Chilton Place. If your building is just outside Ash, we cover Guilton (1 mile west), Weddington (1 mile north-east), Durlock (1 mile west), Cop Street (1 mile north) and Coombe (1 mile south-east). Bigger towns within reach include Canterbury (9 miles west), Margate (8 miles north-east), Dover (10 miles south), Folkestone (14 miles south), Ramsgate (7 miles north-east) and Broadstairs (9 miles north-east).

Near you in Ash

Recent enquiries here include premises near The Chequer Inn, among other places. The closest station to Ash is Sandwich station, roughly 2.8 miles east of the centre. Other landmarks nearby include White Mill (2.1 miles east). For a walk, there’s Monk's Wall nature reserve.

Map of Ash © OpenStreetMap contributors

Ash: questions and answers

Must every washroom in our Ash building shut while you work?

Rarely all at once: work is phased so some facilities are always available. Sanitary silicone needs time to cure before the area is used, and we will tell you how long for the product used.

Which documents can you supply for work in Ash?

RAMS, insurance certificate, CSCS details: list what the site needs and we will confirm it with the quote. We are CHAS accredited and a Constructionline member, with £5m public liability insurance and CSCS-carded applicators.

How soon can a washroom be used after resealing?

The silicone needs time to cure before water reaches it. Phasing is planned with the cure time in mind so there are always rooms open.

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.

Are you fully insured?

Yes. We’re fully insured, including public liability cover.

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.

Is Ash in your area?

Yes. We take on work across Ash.

Accreditations

Trusted. Accredited. Insured.