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

Smeeth washroom sealing

Sealant work in Smeeth for main contractors, managing agents and facilities managers: sealing in commercial washrooms, showers, kitchens and wet areas, quoted at a fixed price.

  • Sealant lifting along a tray edge
  • Kitchen worktop joints that can’t be kept clean
  • Complaints from staff, guests or users about tired washrooms
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
South East, London & Scotland
CHAS & Constructionline
£5m public liability

Washroom sealing for businesses in Smeeth

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

After the work

Regular inspection catches problems early. In particular:

  • Keep washrooms out of use until we say the sealant has cured
  • Squeegee showers and trays after busy periods
  • Act on the first split you see at a shower tray
  • Brief cleaning staff to treat joints gently

Mild cleaning products and non-abrasive cloths look after sanitary silicone best. Strong acids, solvents and scourers wear the surface over time.

Mouldy sealant only gets harder to ignore and users notice. Dealing with it while it’s just the sealant keeps it simple.

Washroom sealing in Smeeth

You can’t shut every toilet in an office, school or hotel at once. Work is phased by room or by section, so staff, guests or pupils always have somewhere to go. Give us your site hours and access windows and the phasing is planned around them. If you have users noticing mouldy joints and failed sealant behind washroom basins, we can put it right, on urinals and WCs, showers, trays and wet room floors and kitchens and tea points alike. Facilities teams, main contractors and managing agents in Smeeth tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.

Farm shops, cafés and venues in converted rural buildings around places like Smeeth have busy toilets and kitchens. We plan the work around bookings and opening times.

What our 12-month guarantee covers is the way we did the job: preparation, application and finish. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

Place
Smeeth (TN25)
Region
Kent
Cover
A 12-month guarantee
Quotes
Quoted before any work starts
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Your questions answered

Can you work on a hospital site such as William Harvey Hospital (Ashford)?

Yes, healthcare and care buildings are part of our work. Each area is agreed with the ward or department and the estates team in advance.

Is Smeeth too far out for you?

Not at all: smaller places are covered as well as towns. We work across Greater London and the South East. We plan jobs in smaller places so return trips are kept to a minimum.

Are you fully insured?

Yes. Our insurance certificate can be sent alongside the quote.

Can you reseal washrooms in healthcare buildings?

Yes. Your infection-control rules, estates requirements and permits are followed, and phase the work so areas keep facilities.

Will all the toilets be closed at once?

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

How long will the new sealant last?

It depends on movement, UV and weather, cleaning, traffic and the product. Sealant joints are maintenance items, so inspect them regularly.

Do your applicators hold CSCS cards?

Yes. We use CSCS-carded applicators, which many sites require.

What we can’t put right

Part of a good diagnosis is knowing where sealant stops. You’ll hear from us if the cause turns out to be any of the following:

  • Leaks through tanking or membranes below the finishes
  • Fittings that move too much to hold a bead
  • Condensation from failed extract fans

If in doubt, call 01277 525 020 or email us and we’ll say what we think.

What we seal

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

Should maintenance staff do it?

For most general trades, sealant is a sideline. A specialist prepares properly, controls joint depth and picks a product with the right movement class, which is what makes a joint last.

For a quick touch-up, site staff may be fine, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

Our process

At the end of each section, the masking comes off, the area is cleaned and every joint is checked. If an area should be left alone while the sealant cures, we say how long and put signs out. For work around Smeeth, we aim to finish in one visit, so photographs and measurements up front really help. Then the right materials arrive with us.

  1. We agree which washrooms close and when.
  2. Leaks, loose panels or damp are pointed out first.
  3. Failed sealant and residue are stripped out.
  4. We reseal with the grade suited to each area.
  5. We give you a reopening time for every room.

What we need from you

  • Let us know about inductions and permits
  • Tell us which areas need to stay in use
  • For older buildings, check the asbestos register before work

Quotes

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

Ask for a quote

Advice

Work for main contractors and building owners

Facilities managers want contractors who arrive with the paperwork sorted. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.

Building owners and managing agents use us on sealant work across single buildings or whole portfolios. One quote can cover more than one site, so there’s one set of paperwork to deal with.

Washroom sealing around Smeeth: how the place shapes the job

Smeeth lies roughly 53 miles out from central London, in a commuter belt where offices and business parks are common. Washrooms in commuter-belt offices take constant weekday traffic, which is why the work is phased.

Where you’re responsible for a hall attached to a building such as Church of St Mary, its kitchen and toilets need sealant that stays cleanable. If you manage an office at a site such as Evegate Business Park, 0.8 miles to the south-west of Smeeth, the washrooms and tea points can be done a floor at a time. Clinical washrooms at sites like William Harvey Hospital (Ashford) (2.5 miles north-west of Smeeth) are scheduled with the ward so the room is out of use for as little time as possible.

Smeeth is about 5 miles east of Ashford, in Kent. Any commercial site in Smeeth is covered, whether it’s a single job or part of a planned programme. Across Kent, 931 places are covered, Smeeth among them. Brighton is covered too, some 52 miles away.

Work on washrooms and wet areas is covered throughout TN25. Among the streets we cover are Church Road, Caroland Close and Woolpack Hill, and sites on any of them can send details for a fixed quote. Sites close to Smeeth are covered too, including Ridgeway (1 mile west), Brabourne Lees (1 mile north-east), Lilyvale (1 mile south-east), Bircholt Forstal (1 mile north-east) and Stone Hill (1 mile south-east). A short drive away, we cover Ashford (5 miles west), Canterbury (12 miles north-east), Dover (14 miles east), Folkestone (9 miles east), Faversham (14 miles north) and Hythe (6 miles south-east).

What’s near Smeeth

For rail, the closest station is Westenhanger station, about 3.6 miles south-east of the centre. A little further out are Lympne Castle (4.2 miles south-east) and William Harvey Hospital (2.6 miles north-west). Open spaces near Smeeth include Hatch Park.

Map of Smeeth © OpenStreetMap contributors

Why it’s worth doing now in Smeeth

Bleaching black sealant may lighten it for a few days but the growth is inside the bead and returns. Replacement deals with the cause in the joint and cleaners stop fighting a losing battle. For buildings around smaller places like Smeeth, 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. Renewing joints in good time avoids the problem.

Small jobs and large programmes are priced from the same things: scope, access, product and programme. Call for a quote and we will put a fixed figure on it.

Why choose Mastic Doctor in Smeeth

  • One contact handling all your sites
  • Colour options checked against the specified product
  • Constructionline member
  • Clear, fixed quotes

Take a look at our cost guide or how we’re accredited.

Accreditations

Trusted. Accredited. Insured.