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

Commercial washroom and wet-area sealing in Bonnington, Kent

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

  • Failed joints along IPS and cubicle panels
  • A new bead over an old one coming away
  • Kitchen worktop joints that can’t be kept clean
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
Covering the South East & Scotland
Constructionline member
£5m public liability

Washroom sealing across Bonnington

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

Washroom sealing in Bonnington

For clinics, hospitals and care homes, sealed joints matter for infection control as much as appearance. 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. The enquiries we see most involve sealant lifting along a tray edge and sealant laid over old silicone and now peeling, across kitchens and tea points, vanity units and basins and urinals and WCs. For commercial sealant work in Bonnington, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.

In and around smaller places like Bonnington, washroom work is often in halls, pubs, primary schools, care homes and holiday accommodation. Sealant that has gone black with mould typically can’t be cleaned, so it is cut out and replaced.

A 12-month guarantee applies to all our work. Should something we installed fail, phone 01277 525 020 or send photos by email and we will come back to it.

Mastic Doctor team members lined up next to their branded vans outside an office building
Place
Bonnington (TN25)
Region
Kent
Guarantee
12 months on our workmanship
Quote
Quoted before any work starts
Telephone
01277 525 020
Page updated
3 November 2026

Diagnose, treat, sign off

Site rules come first: signing in, inductions and any permit to work. Once we’re cleared to begin, we take the joints in the sequence agreed with you, and each area is checked before we leave it. Jobs in and around smaller places like Bonnington are usually planned as a single 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. Old sealant is stripped and the faces prepared.
  4. We reseal with the grade suited to each area.
  5. We confirm reopening times for each washroom.

Before we start on site

  • Send any specification or drawings in advance
  • Point out parking and an unloading spot
  • Share your working hours and any access restrictions

Get a fixed quote

To get a fixed quote, call 01277 525 020 or email us. You can also send details through our quote form.

Get a quick quote

Read more

Busy facilities in and around Bonnington

Bonnington lies roughly 53 miles out from central London, within the office belt around the capital. Office washrooms on business parks see heavy weekday use, so we work a block of facilities at a time.

Schools such as Aldington Primary School have toilets, changing rooms and kitchens that are best resealed in the holidays. Church halls and community buildings, such as those at Church of St Rumwold, have kitchens and toilets used by many groups, and their sanitary sealant works hard. Healthcare washrooms on sites such as William Harvey Hospital (to the north of Bonnington) are resealed area by area, under the site’s own infection-control rules.

Bonnington is about 5 miles south-east of Ashford, in Kent. Anywhere in TN25, the process is the same: details in, fixed quote out, then sealing and a 12-month guarantee. Across Kent, 931 places are covered, including Bonnington. Brighton is covered too, around 49 miles from Bonnington.

Business premises anywhere in TN25 are within our area for washrooms and wet areas. Buildings on Cherry Orchard Lane and Bourne Road are within our area for washrooms and wet areas. Close to Bonnington, our area also takes in Aldington (1 mile north-east), Clap Hill (1 mile north-east), Aldington Frith (1 mile north-west), Stonestreet Green (1 mile north-east) and Postling Green (1 mile east). Bigger towns within reach include Ashford (5 miles north-west), Canterbury (15 miles north-east), Folkestone (10 miles east), Hythe (7 miles east), Hawkinge (10 miles east) and Wincheap (14 miles north-east).

Around Bonnington

In Bonnington, that means premises near Poulton Wood and Walnut Tree Inn and the streets around them. The nearest railway station is Ham Street station, roughly 3.6 miles west of the centre. Other landmarks nearby include William Harvey Hospital (3.8 miles north) and Lympne Castle (4.2 miles east). Not far away are Hatch Park.

Map of Bonnington © OpenStreetMap contributors

Site staff or a sealant specialist?

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.

Putting right a botched joint often costs more than sealing it well at the start, because the whole bead must be removed and the faces cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.

What the job involves on each surface

Basins and vanity tops

Water getting past a vanity top joint can swell the board beneath. Resealing early protects the unit.

Kitchens and tea points

Worktop, sink and splashback joints in tea points take water and food. Sound joints keep those surfaces easy to clean.

Leave it or put it right?

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 while bigger works are planned. Halls, stores and units around places like Bonnington may not be checked every day, which gives a failed joint time to do damage. Renewing joints in good time avoids the problem.

Pricing washrooms and wet areas depends on quantities, condition and access. Ask us for a fixed quote.

Why appoint us

  • Colour agreed before work starts
  • Our applicators hold CSCS cards
  • A fixed quote before work starts
  • A range of standard colours, depending on the product

See how commercial sealant jobs are priced or how we’re accredited.

Honest limits

We seal joints; we don’t mend everything behind them. Sealant alone won’t deal with:

  • Leaks through tanking or membranes below the finishes
  • Swollen or delaminated boards behind panels or vanity tops
  • Mould caused by poor ventilation, which will return until the extract is fixed

Not sure which it is? You can ring 01277 525 020 or send photos by email and we’ll tell you honestly before you book.

Surfaces we seal

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

Maintenance after handover

Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. We suggest:

  • Keep a record of which washrooms need attention
  • Inspect washroom sealant regularly
  • Mention any site permits or estates rules at quote stage
  • Make sure washroom ventilation is running

Ventilation is half the battle. Constant damp lets mould take hold even on anti-mould grades, so get faulty extract looked at.

A few failed joints can be resealed with hardly any disruption. Left, it tends to become a building-wide job with more phasing to plan.

Bonnington: questions and answers

Is hospital work, at somewhere like William Harvey Hospital, something you do?

Yes. Healthcare sites are among the places we work. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

Will the toilets in our Bonnington building be out of use?

Not all at once. We take one block of facilities at a time. We’ll tell you the curing time for the product before we start.

Are you insured?

Yes. We are fully insured, including public liability cover.

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.

Which silicone is right for commercial washrooms?

An anti-mould sanitary silicone in most cases. Neutral-cure grades are used where acetoxy types could mark metals, stone or mirror backings.

How many days will you need on site?

It depends on the scope, but the work typically takes half a day to a day per washroom, depending on the number of fittings. Larger or phased jobs take longer, and we’ll give you a timescale with the quote.

Are you CHAS accredited and on Constructionline?

Yes. We’re CHAS accredited and a Constructionline member.

Accreditations

Trusted. Accredited. Insured.