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

Washroom Sealing in Marshborough

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

  • Mould spotting along silicone joints
  • A new bead over an old one coming away
  • Urinal joints that look unhygienic
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
Covering the South East & Scotland
Constructionline member
Fully insured: £5m PL

Washroom sealing for Marshborough sites

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

Keeping the joints sound

For the best life from the joints:

  • Don’t leave an open joint at a basin or tray
  • Respect the cure time before reopening each room
  • Report faulty extraction promptly
  • Photograph and log failed joints across the estate

Where possible, have shower floors and trays squeegeed after busy periods. Joints that sit wet for hours fail sooner.

Small numbers of failed joints are quick to phase in. Left until every washroom is affected, it becomes a bigger programme with more phasing to plan.

Washroom sealing in Marshborough, done properly

Washroom joints need the right sealant, not whatever is to hand. Sanitary grades carry anti-mould additives, and neutral-cure versions avoid the damage acetoxy types can do to some metals, stone and mirror backings. In food areas, hygienic or food-safe sealants are used where food contact is possible. If you are dealing with mould spotting along silicone joints and kitchen worktop joints that can’t be kept clean, we can put it right. Facilities teams, main contractors and managing agents in Marshborough tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.

Halls and community buildings near places like Marshborough are used by different groups through the week, and their toilets and kitchens show it. Resealing sinks, worktops and WCs with anti-mould silicone keeps them clean and watertight.

The 12-month guarantee covers our workmanship: the preparation, the sealing and the tooling. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

The Mastic Doctor team beside their liveried vans in front of an office building
Where
Marshborough (CT13)
Wider area
Kent
Cover
12 months on every job
Quote
A fixed quote before we start
Telephone
01277 525 020
Updated
3 November 2026

Common questions from Marshborough clients

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

Normally only some of them, for a short time. We work in phases so other facilities stay open. Each area is handed back once the sealant has cured enough to use.

Must a hotel around Marshborough close while you work?

In the majority of cases no closure is needed: we work room by room or floor by floor. Housekeeping and our team agree each day’s rooms.

Who decides which product is used?

A specification, where there is one, decides it. Without one, the joint decides: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.

How long does a typical visit take?

We plan the time on site around your programme and access. You will have an expected duration with the quote.

Can the sealant be colour-matched?

Often, yes. Sealants are made in a wide range of standard colours, and matching to RAL references or nearby finishes is commonly requested. We confirm what’s available for the specified product when we quote.

When can showers be used after new sealant?

That varies with the sealant and the room temperature. Each room gets its own reopening time from us, and signs stay up until then.

Are you insured?

Yes. We’re fully insured, and the certificate can go with your quote.

Building owners, agents and FMs in Marshborough

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.

Hotels, schools, healthcare sites, offices and retail units book us directly too. We plan around the way the building is used, so the building keeps working while we do.

Leave it or put it right?

Running fresh silicone along a failed bead hides the problem briefly. It doesn’t bond, so it peels and traps dirt behind it. Cutting out completely and cleaning back takes a little longer and lasts. Around Marshborough, it’s better to renew all the failing joints at once. Send photographs of each area and we’ll quote for the lot.

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.

Why clients in Marshborough choose us

  • Health and safety: CHAS accredited
  • Over 20 years of commercial sealing
  • Standard and matched colours in many product ranges
  • Fully insured, including public liability cover

Read our cost guide and our accreditations and insurance.

Our process

Site rules come first: signing in, inductions and any permit to work. Once we’re cleared to begin, the joints are worked through in the order agreed with your site contact. Jobs in and around smaller places like Marshborough are usually planned as a single visit, so photographs and measurements up front really help. That way the right products come on the day.

  1. We start by inspecting the fittings and joints and flagging problems sealant can’t solve.
  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. We clean and dry every surface so the new sealant can grip.
  5. New sanitary silicone with anti-mould additives goes in and is tooled neat.
  6. Each room is handed back once the sealant has had its cure time.

Getting the site ready

  • Point out any areas we must not close
  • Make sure the joints can be reached
  • Tell us your opening times and when work is allowed

Ask for a quote

A handful of photographs and a postcode is the fastest way to a quote. Upload them with the quote form, or give us a call on 01277 525 020 or email the details over to discuss it first.

Get a quick quote

Read more

When to call us in Marshborough

Decorators’ caulk and general sealants sometimes end up where sanitary silicone belongs. They aren’t made for constant wetting, and they stain, crack or wash out.

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

  • Discoloured joints around urinals and WC pans
  • Sealant lifting along a tray edge
  • Users noticing mouldy joints
  • Stained or open joints at kitchen sinks and worktops

For a hall at a building such as Church of St Mary the Virgin, resealing the kitchen and toilets can be fitted between bookings.

What your quote should include

  • How the existing material will be dealt with
  • Will CSCS-carded applicators be on site?
  • Is the sealant right for the movement and the substrate?
  • Their approach to joint depth and backing

Our contractor checklist

What affects the price in Marshborough

Your fixed quote is built from the real scope. It takes account of:

  • Whether old sealant has to be cut out first
  • Joint width, depth and condition
  • Specialist products, such as fire-rated or hygienic sealants
  • Quantities, in metres or numbers

Small jobs and large programmes are priced from the same things: scope, access, product and programme. Call for a quote, and you will have a fixed figure to work with.

Sending details for a quote

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

  • Whether the building will be occupied during the work
  • How the joints are reached, and at what height
  • Drawings or a marked-up plan, if available
  • The postcode of the building

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To ask for one, phone 01277 525 020 or email drawings and photos.

Wet areas in Marshborough’s workplaces

Central London is about 62 miles from Marshborough. Business park offices have washrooms in daily use by staff, so we phase work to keep some facilities open. There are a number of hotels within about 2 miles of Marshborough. Behind every hotel door there’s a bathroom whose sealant will need renewing sooner or later.

At a school such as Sandwich Technology School, changing rooms and kitchens need cleanable joints as much as the toilets. Hotels such as The Lion Hotel, 1.2 miles north-west of Marshborough, have en suite bathrooms where tired silicone at the bath, tray and basin is replaced room by room.

Marshborough is about 5 miles north-west of Deal, in Kent. We cover Marshborough, with the same fixed quotes and 12-month guarantee as everywhere else. Across Kent, 931 places are covered, including Marshborough. For work in that direction, see our London page.

We take on washrooms and wet areas across the CT13 postcode area. We also cover Woodnesborough (1 mile south-east), East Street (1 mile north), Statenborough (1 mile south-east), Felderland (2 miles south-east) and Sandwich (2 miles east) for washrooms and wet areas. A short drive away, we cover Canterbury (10 miles west), Margate (8 miles north-east), Dover (9 miles south), Folkestone (14 miles south-west), Ramsgate (7 miles north-east) and Broadstairs (8 miles north-east).

Local landmarks in Marshborough

Locally, jobs take us to sites close to Ham Fen. The closest station to Marshborough is Sandwich station, roughly 1.7 miles east. Nearby you’ll also find White Mill (1.3 miles north-east) and Sandown Castle (4.8 miles south-east). For a walk, there’s Monk's Wall nature reserve.

Map of Marshborough © OpenStreetMap contributors
Accreditations

Trusted. Accredited. Insured.