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

Commercial washroom and wet-area sealing in Shellingford, Oxfordshire

We carry out sealing in commercial washrooms, showers, kitchens and wet areas in Shellingford. Send photographs or drawings for a fixed quote.

  • A new bead over an old one coming away
  • Open joints at the base of cubicle panels
  • Stained or open joints at kitchen sinks and worktops
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
CHAS accredited
£5m public liability

Washroom sealing across Shellingford

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

Washroom sealing for commercial buildings in Shellingford

In a commercial washroom, sealant is usually the first thing to wear out. Basin tops, urinal backs, panel joints and shower trays put it under water, chemicals and daily cleaning, and once mould grows into it, it can’t be scrubbed out. We strip it out and lay new anti-mould sanitary silicone. If you have black mould inside silicone joints that cleaning can’t shift and a new bead over an old one coming away, we can help, whatever the surface. A specialist sealant contractor works differently from a general builder: in Shellingford, that means joint design, primers and backing rod as standard.

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

We sign every job off with a 12-month guarantee. The promise is simple: if the work we did fails within twelve months, we return to fix it.

Location
Shellingford (SN7)
Region
Oxfordshire
Guarantee
12 months on our workmanship
Price
Fixed quote, scope in writing
Phone
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Keeping the joints sound

For the best life from the joints:

  • Avoid scourers and harsh descalers on silicone
  • Share your site rules when you send details
  • Clear standing water from shower floors where possible
  • Make sure washroom ventilation is running

Ask your cleaning team to use gentle products and soft cloths on sealant. Strong acids, solvents and scourers wear the surface over time.

Leaks through tray and wet-floor joints can go unseen until a ceiling marks below. By then, other trades may be needed as well so failed joints are worth acting on quickly.

Shellingford: questions and answers

Is a smaller place like Shellingford outside your area?

No. Places such as Shellingford are covered as much as the big towns. We work across Greater London and the South East. Send photographs and a list of what needs doing, and we will plan the job to need as few trips as possible.

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

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

Can washrooms stay open while you work?

Only the area we’re working in is closed. Each room reopens after the sealant’s cure time, then we move on.

Do you take on multi-site work?

Yes. A group of buildings can go on one quote, with one point of contact.

What will the job cost?

There isn’t a price list, as every site differs. Send photos or drawings and we will price it at a fixed figure.

Is it possible to just clean mouldy silicone?

Surface cleaning won’t reach mould that has rooted into the bead. New anti-mould sanitary silicone is the treatment and point out if ventilation is part of the problem.

Do you hold CHAS accreditation?

Yes. Mastic Doctor is CHAS accredited and a Constructionline member, which helps with supplier vetting.

How a job runs

Before any cutting starts, the area is protected: masking tape along the joint edges and sheeting over anything nearby. The work itself usually takes a few hours for one toilet block, with bigger buildings phased across a number of visits, and we clear our waste as we work. For a building around Shellingford, tell us how to find it and who will meet us. Send that with the details and we will confirm the plan with the quote.

  1. We start by inspecting the fittings and joints and flagging problems sealant can’t solve.
  2. The phasing is agreed so there are always facilities open.
  3. Failed silicone is removed completely and the surfaces cleaned of every trace.
  4. Joints are cleaned, degreased and dried before sealing.
  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

  • Share your working hours and any access restrictions
  • Point out any areas we must not close
  • Send any specification or drawings in advance

Getting a fixed quote

Send us photographs, drawings or a joint schedule and a fixed quote comes back to you. If the job needs a look first, we will arrange a site visit.

Ask for a quote

Related advice

Should maintenance staff do it?

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.

Some joints are best left to specialists: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. A poor seal in places like these tends to cost more to put right later.

Washroom sealing around Shellingford: what changes locally

Shellingford lies roughly 63 miles out from central London. Office toilets in the commuter belt are in use from first arrivals to last departures, so we phase work to keep some facilities open.

Pupil toilets at schools like Shellingford Church of England (Voluntary Aided) School take heavy daily use, and the holidays give the window to reseal. Office toilets at parks like Stanford in the Vale Business Park, 0.8 miles east of Shellingford, take steady weekday use, and mouldy silicone soon shows.

Shellingford is about 6 miles north-west of Wantage, in Oxfordshire. We cover Shellingford and the rest of Oxfordshire, with the same fixed quotes and 12-month guarantee as everywhere else. We work across 423 places in Oxfordshire. There’s a separate page for Oxford, roughly 15 miles from Shellingford.

We take on washrooms and wet areas across the SN7 postcode area, for business premises of every kind. Buildings on Church Street and Fernham Road are within our area for washrooms and wet areas. Sites close to Shellingford are covered too, including Stanford in the Vale (1 mile east), Hatford (2 miles north-east), Baulking (2 miles south), Bow (2 miles east) and Fernham (2 miles south-west). Nearby towns on our patch include Oxford (15 miles north-east), Didcot (13 miles east), Abingdon-on-Thames (11 miles east), Witney (10 miles north), Carterton (9 miles north) and Wantage (6 miles south-east).

Landmarks near Shellingford

Around Shellingford, our work takes us to commercial buildings near Faringdon Community College and the streets around them. Well-known places in the area include Faringdon Castle (1.9 miles north-west) and Faringdon Museum (2.2 miles north-west). Green spaces nearby include Badbury Hill.

Map of Shellingford © OpenStreetMap contributors

What affects the price in Shellingford

These are the things that shape the price:

  • The total length or number of joints
  • The site’s rules and procedures
  • The size and state of each joint
  • The product specified

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

What to include in your enquiry

Whether it’s one area or a whole building, the same details help:

  • The asbestos register, for older buildings
  • Drawings or a marked-up plan, if available
  • Where the site is, with the postcode
  • Clear photos of the problem areas

To get a fixed quote, ring 01277 525 020 or send photos by email with the site address and an outline of the work. Our quote form is another easy route.

What we’re called out for in Shellingford

Commercial cleaning is harder on sealant than everyday use. Harsh products, abrasive pads and pressure washing break down a joint’s surface and edges, and dirt and mould then get a foothold.

Any of the following is a good reason to get the joints checked over:

  • Gaps where vanity tops meet the wall
  • Sealant laid over old silicone and now peeling
  • Shower tray joints that have opened up
  • Users noticing mouldy joints

Clinical washrooms at sites like Longworth Hospital, 2.3 miles north-west of Shellingford, are scheduled with the ward so the room is out of use for as little time as possible.

Comparing quotes

  • How joint depth will be controlled
  • Who will actually carry out the work
  • Health and safety accreditation such as CHAS
  • Is the sealant right for the movement and the substrate?

Our contractor checklist

What happens if it’s left?

Cleaning mouldy sealant only masks it, but the mould is rooted in the silicone and comes back. Replacement deals with the cause in the joint and your cleaning team stops chasing it. Older rural buildings around Shellingford move with the seasons, and rigid or tired sealant can’t keep up. The right product, sized to the joint, copes much better.

There’s no price list, because the scope varies so much from one building to the next. Call for a quote and we will price your job on its own details.

Why appoint us

  • Products installed to the manufacturer’s instructions
  • Standard and matched colours in many product ranges
  • CHAS accredited
  • Joints cleaned back to sound surfaces

See our cost guide and our accreditations and insurance.

Accreditations

Trusted. Accredited. Insured.