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

Commercial washroom and wet-area sealing in Nutbourne, West Sussex

Washroom sealing for Nutbourne, from a contractor working since 2005. Fully insured, with a 12-month guarantee.

  • Sealant stained black around basins and showers
  • Users noticing mouldy joints
  • 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
One fixed quote covering the agreed scope.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS accredited
Fully insured: £5m PL

Washroom sealing for businesses in Nutbourne

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

On site: what to expect

Our CSCS-carded applicators arrive with the sealants, primers and backing rod the job calls for. Any old material is cut back to clean, sound faces, primer goes on where the manufacturer specifies it, and each bead is tooled to a neat concave finish. For a building around Nutbourne, 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 inspect each washroom and record the joints to be resealed.
  2. The fixed quote sets out the rooms, the products and the phasing.
  3. The whole of the old bead is removed.
  4. Each joint is cleaned and left dry.
  5. A sanitary silicone bead is laid and given a smooth tooled finish.
  6. Rooms reopen after the cure time.

Getting the site ready

  • Send asbestos survey details if the building is pre-2000
  • Send your site hours and access windows
  • Let building users know which areas are affected

Get a fixed quote

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to give us a call on 01277 525 020 or send photos by email with what you know.

Get a quick quote

Read more

Washroom sealing for commercial buildings in Nutbourne

Accessible WCs, showers and changing areas have their own pinch points: wet-floor edges, tray perimeters, basin tops and the line where flooring meets the wall. 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 kitchen worktop joints that can’t be kept clean and sealant laid over old silicone and now peeling, on kitchens and tea points, IPS panels and cubicles and accessible toilets and changing rooms. Facilities teams, main contractors and managing agents in Nutbourne tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

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

Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we spell out the cover before we begin.

Mastic Doctor team members lined up next to their branded vans outside an office building
Location
Nutbourne (RH20)
Wider area
West Sussex
Guarantee
12 months on every job
Quotes
Fixed quote, scope in writing
Call
01277 525 020
Page updated
3 November 2026

Work for main contractors and building owners

We work for building owners and managing agents on everything from one building to a spread of sites. Several sites can go on one quote, which keeps the paperwork simple.

Housing associations and managing agents often need work done across blocks and communal areas. Work can be phased so residents and staff keep access throughout, with each stage agreed with your site contact.

Doing it in-house

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.

Redoing a failed joint typically costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.

What we’re called out for in Nutbourne

Much of the failed sealant we remove was applied over old silicone or residue. Silicone won’t adhere to a silicone bead so it peels away quickly.

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

  • Urinal joints that look unhygienic
  • Sealant stained black around basins and showers
  • Sealant lifting along a tray edge
  • Open joints along basins and vanity units

Office washrooms on sites such as Broomers Hill Business Park, 1.4 miles north-west of Nutbourne, are in use all working day, so resealing is phased to keep some open.

Before you book anyone

  • What site paperwork they can supply
  • Will CSCS-carded applicators be on site?
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • How they’ll work around occupants

Our contractor checklist

Commercial washrooms in Nutbourne

Central London is about 41 miles from Nutbourne. Office toilets in the commuter belt are in use from first arrivals to last departures, so we work a block of facilities at a time. Nutbourne has several hotels close by, all within 2 miles. Hotel en suites take daily use, and tired silicone at trays and basins is one of the first things guests notice. The work can go floor by floor, agreed with housekeeping.

For a school such as West Chiltington Community Primary School, washroom and kitchen sealant can be renewed around term dates. For a hall at a building such as St Mary's Church, resealing the kitchen and toilets can be fitted between bookings.

Nutbourne is about 3 miles north of Storrington, in West Sussex. We send applicators to Nutbourne for washrooms and wet areas, handled exactly as we handle every other area. Our West Sussex coverage takes in 373 places, from busy centres to rural villages. For work in that direction, see our Brighton page, about 17 miles away.

Commercial sites across RH20 are covered for washrooms and wet areas. We cover commercial and managed buildings on Stream Lane and Nutbourne Road and the roads nearby. Just outside Nutbourne, we also work in Marehill (1 mile south-west), Broomershill (1 mile north-west), West Chiltington (1 mile east), Gay Street (1 mile north) and West Chiltington Common (1 mile south-east). A short drive away, we cover Horsham (10 miles north-east), Worthing (10 miles south), Bognor Regis (15 miles south-west), Burgess Hill (15 miles east), Littlehampton (11 miles south) and Shoreham-by-Sea (12 miles south-east).

Local landmarks in Nutbourne

Recent enquiries here include premises near The Rising Sun Inn and the streets around them. For rail, the closest station is Pulborough station, about 2 miles west of the centre. Well-known places in the area include Amberley Castle (4.6 miles south-west) and The Storrington And District Museum (3.1 miles south). Open spaces near Nutbourne include Amberley Wildbrooks RSPB Reserve.

Map of Nutbourne © OpenStreetMap contributors

Leave it or put it right?

Cleaning mouldy sealant only masks it, but the mould is rooted in the silicone and comes back. A full reseal deals with it and your cleaning team stops chasing it. Older rural buildings around Nutbourne move with the seasons, and rigid or tired sealant can’t keep up. A sealant with the right movement capability, correctly sized, lasts far better.

Cost follows what’s involved: stripping out, preparation, sealing, access and phasing. Call for a quote and we will explain how it’s made up.

What you get with us

  • Clear, fixed quotes
  • Products installed to the manufacturer’s instructions
  • CSCS-carded applicators
  • Commercial sealant work since 2005

Take a look at what affects the cost and our accreditations.

What sealant work can’t fix

Being straight saves everyone time. New sealant won’t cure:

  • Water from plumbing, not from a joint
  • A room that stays damp because ventilation isn’t working
  • Panel boards already damaged by water

If you’re not sure, just ring 01277 525 020 or send details through our quote form and we’ll give you a straight answer before you book.

What we seal

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

FAQs: Nutbourne

Is Nutbourne off your patch?

Not at all. Nutbourne is within our area. We work across Greater London and the South East. Where we can, we group nearby jobs to make the most of each trip.

Can you work around term dates at a campus such as Brinsbury College?

Yes. We plan campus work around teaching, exams and residence turnarounds. We’re CHAS accredited and a Constructionline member, and paperwork such as RAMS is confirmed with the quote.

What sealant do you use in washrooms?

Each area gets the grade that suits it. Washrooms and showers take anti-mould sanitary silicone while kitchens may need a food-safe grade.

Is old silicone taken out first?

The failed bead is always removed. Fresh silicone can’t key to an old bead, so sealing over it soon peels.

How do I request a quote?

The quote form is the simplest route, though you can also speak to us on 01277 525 020 or send photos by email. Photos, drawings or a joint schedule help us quote quickly.

Who decides which product is used?

If the job is specified, we follow the specification. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

How many days will you need on site?

We plan the time on site around your programme and access. We will give you an estimate of time on site when we quote.

Accreditations

Trusted. Accredited. Insured.