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

Commercial washroom and wet-area sealing in Combe, Oxfordshire

Washroom sealing in Combe, backed by over 20 years in commercial sealing. Fully insured and CHAS accredited.

  • Sealant laid over old silicone and now peeling
  • Users noticing mouldy joints
  • Failed sealant in a tea point or staff kitchen
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS accredited
£5m PL insurance

Washroom sealing near Combe

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

How a job runs

Working in a building that stays open takes some planning. We sign and contain the area we are in, keep walkways clear and work section by section so the rest of the building stays in use. Rural sites near Combe may need directions, gate codes or a contact on site. Send that with the details and we will confirm the plan with the quote.

  1. First, the phasing is agreed so facilities stay open.
  2. Anything behind the joints that needs another trade is flagged.
  3. Old sealant is stripped and the faces prepared.
  4. We reseal with the grade suited to each area.
  5. We give you a reopening time for every room.

Getting the site ready

  • Agree which areas must stay open
  • Clear stock, furniture or equipment away from the joints
  • Share your working hours and any access restrictions

Get a fixed quote

Quotes are fixed against the scope you send, so you know the figure before anyone is on site. To start the process, speak to us on 01277 525 020 or email a schedule or drawings.

Get a price

Advice

Washroom sealing in Combe, done properly

Accessible toilets, shower rooms and changing rooms have joints that work harder than most: shower trays, wet-room floor edges, basins and floor-to-wall junctions. An open joint there lets water track under flooring or behind wall panels so they get particular attention. Site teams most often ask us about discoloured joints around urinals and WC pans and black mould inside silicone joints that cleaning can’t shift, across kitchens and tea points, vanity units and basins and accessible toilets and changing rooms. For commercial sealant work in Combe, you deal with one contact from quote to sign-off, whether it’s one building or several.

Rural businesses near smaller places such as Combe, from cafés to event venues, rely on washrooms and kitchens that stay clean. We plan the work around bookings and opening times.

The 12-month guarantee covers our workmanship: preparation, application and finish. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

Where
Combe (OX29)
Region
Oxfordshire
Cover
A 12-month guarantee
Quotes
Quoted before any work starts
Telephone
01277 525 020
Updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

What sets the cost

Sealant work doesn’t have a standard rate, since sites vary so much. What we look at:

  • How accessible the joints are
  • Travel to remote or island sites
  • Induction, permit and paperwork requirements
  • Removal of failed or old sealant

Access can matter as much as the joints themselves: easy-to-reach joints are quicker than those that need equipment to get to. Tell us how the joints are reached and call for a quote.

What we need to price the job

A few photographs plus some basic facts will normally do. It helps to include:

  • Whether the building will be occupied during the work
  • Any specification or named product
  • Asbestos survey details if the building is older
  • Any dates the work must fit around

Photos, drawings or a schedule of the joints are often enough for a fixed quote. Where a site visit makes more sense, we’ll arrange one.

When to call us in Combe

A lot of failed washroom sealant was laid over an old bead or a dirty surface. New silicone won’t grip the old, so it soon lets go.

Typical triggers for a call:

  • Open joints at the base of cubicle panels
  • Gaps where vanity tops meet the wall
  • Split or peeling sealant at shower trays
  • Stained or open joints at kitchen sinks and worktops

Halls linked to places like St Laurence's Church host groups all week, which is hard on kitchen and toilet sealant.

What your quote should include

  • Will failed sealant be removed rather than covered?
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • Whether primer will be used where the manufacturer specifies it
  • Will RAMS and insurance details be available?

Our contractor checklist

Busy facilities in and around Combe

At about 61 miles from central London, Combe is within reach of the capital. Office washrooms on business parks see heavy weekday use, so we work a block of facilities at a time.

On an industrial estate such as Wroslyn Road Industrial Estate, which lies south of Combe, staff toilets, showers and canteens are where sanitary sealant takes the most wear. Schools such as Combe CofE Primary School have toilets, changing rooms and kitchens that are best resealed in the holidays.

Combe is about 5 miles north-east of Witney, in Oxfordshire. Anywhere in OX29, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. We work across 423 places in Oxfordshire. For work in that direction, see our Oxford page (10 miles or so).

Work on washrooms and wet areas is covered throughout OX29, whatever the building. If your site is on Square Firs, Chatterpie Lane and Orchard Close or close by, we can quote for washrooms and wet areas. Just outside Combe, we also work in East End (1 mile south-west), Stonesfield (1 mile north-west), Freeland (2 miles south), North Leigh (2 miles south-west) and Fawler (3 miles west). Further afield, our area takes in Oxford (10 miles south-east), Banbury (15 miles north), Bicester (11 miles east), Abingdon-on-Thames (13 miles south-east), Witney (5 miles south-west) and Carterton (10 miles south-west).

Near you in Combe

We work on buildings around The Cock Inn. The closest station to Combe is Combe station, roughly 0.8 miles south-east of the centre. Other landmarks nearby include Morris Motors Museum (1.8 miles south-east). Green spaces nearby include Blenheim Farm.

Map of Combe © OpenStreetMap contributors

Commercial clients in Combe

Hotels, schools, healthcare sites, offices and retail units come to us directly as well. We plan around the way the building is used, so guests, pupils, patients or staff are disturbed as little as possible.

As a CHAS accredited contractor and Constructionline member, we make supplier vetting simple. We’re fully insured, and our insurance certificate can go with the quote.

FAQs: Combe

Is a smaller place like Combe outside your area?

No. Small places get the same service as large ones. We work across Greater London and the South East. We plan jobs in smaller places so return trips are kept to a minimum.

What paperwork can you provide for a job in Combe?

Whatever your site asks for, from RAMS to CSCS details, is confirmed when we quote. We are CHAS accredited and a Constructionline member, with £5m public liability insurance and CSCS-carded applicators.

What will the job cost?

There isn’t a price list, because every site is different. With photographs or drawings, we can give you a fixed quote.

How many days will you need on site?

The duration is planned around your programme and the access we are given. You’ll have an expected duration with the quote.

Do you guarantee washroom sealing?

Every job carries our 12-month guarantee. It applies to our workmanship, not to plumbing leaks or damp from poor ventilation.

Do you have public liability insurance?

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

Will you come and look before quoting?

Many jobs can be quoted from photos, drawings or a joint schedule. If the job needs a look first, we will arrange a visit.

When to bring in a specialist

Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and our CSCS-carded applicators are used to working under those rules.

General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.

After the work

Your facilities or cleaning team can help the joints last. Share these points with them:

  • Keep extract fans working and vents clear
  • Act on the first split you see at a shower tray
  • Avoid scourers and harsh descalers on silicone
  • Include joints in routine washroom inspections

Mild cleaning products and non-abrasive cloths look after sanitary silicone best. Aggressive descalers, solvents and scouring pads shorten its life and give mould a start.

Leaks through tray and wet-floor joints can go unseen until a ceiling marks below. At that stage, boards or ceilings may need repair so failed joints are worth acting on quickly.

Accreditations

Trusted. Accredited. Insured.