The Mastic Doctor team standing beside their branded vans outside an office building
Na h-Eileanan Siar · Scotland

Shader washroom sealing

Sealant work in Shader for main contractors, managing agents and facilities managers: sealing in commercial washrooms, showers, kitchens and wet areas, quoted at a fixed price.

  • Complaints from staff, guests or users about tired washrooms
  • Mould spotting along silicone joints
  • Sealant lifting along a tray edge
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
12-month guarantee on our workmanship.
Covering the South East & Scotland
Constructionline member
Fully insured: £5m PL

Washroom sealing in Shader

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

Looking after the joints

Problems stay small when the joints are checked regularly. Specifically:

  • Photograph and log failed joints across the estate
  • Report faulty extraction promptly
  • Avoid scourers and harsh descalers on silicone
  • Tell us about infection-control or permit rules before we quote

Each room goes back into use only when the sealant has cured enough. You will be told when showers and basins can be used again, and it helps if signs stay up until then.

Boards behind panels and vanity tops can swell when water gets past a failed joint. After that, those parts need replacing rather than resealing.

Washroom sealing in Shader, done properly

Accessible WCs, showers and changing areas have their own pinch points: shower trays, wet-room floor edges, basins and floor-to-wall junctions. Gaps in those places let water get under the floor or behind panels, so we look at them closely. We work on accessible toilets and changing rooms, showers, trays and wet room floors and vanity units and basins, and the usual reasons a site gets in touch are open joints at the base of cubicle panels and users noticing mouldy joints. A specialist sealant contractor works differently from a general builder: on jobs in Shader, preparation and product choice get the time they need.

Hotels and holiday accommodation in rural Scotland have busy and quiet seasons, and resealing washrooms in the quieter months keeps rooms available when they’re needed.

Guaranteed is the last step of every job. Our workmanship is backed for 12 months, and we explain exactly what that covers when we quote.

Place
Shader (HS2)
Wider area
Na h-Eileanan Siar
Guarantee
12 months on every job
Price
A fixed quote before we start
Telephone
01277 525 020
Page updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Cost factors for washrooms and wet areas

Your fixed quote is built from the real scope. It allows for:

  • Backing rod, priming and other preparation
  • Whether the work must be split into stages
  • Any access equipment needed
  • Travel to remote or island sites

The price depends on the quantity of joints, what has to come out first and the access. Call for a quote when you are ready.

Before you send an enquiry

Good information means a firmer quote. When you get in touch, include:

  • Whether an asbestos survey exists
  • A wide shot and a close-up of the area
  • The type of building and who uses it
  • Approximate linear metres or a joint schedule

Specifications, drawings and tender packages are welcome with any enquiry, and we’ll price the work to it. For smaller jobs, photographs and a description will do.

Questions about Shader

Is Shader inside the area you cover, given it’s on an island?

Yes. Every Scottish council area is within our area, and that includes island locations such as Shader. We plan island jobs around the ferry and the forecast, and bring everything the job needs on the first crossing.

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

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.

How do you deal with asbestos in old sealant?

Some older mastics, especially in pre-2000 buildings, can contain asbestos. We check the asbestos register before cutting out old sealant in an older building, and if asbestos is suspected, work stops until it’s tested. Removing asbestos is a job for asbestos specialists, not us.

Do you use special sealant for toilets and showers?

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

How much does the work cost?

There isn’t a price list, because every site is different. Send photos or drawings and we’ll price it at a fixed figure.

Do you have public liability insurance?

Yes. We’re fully insured, including public liability cover.

Can you reseal washrooms in healthcare buildings?

Yes, healthcare and care settings are part of our work. Any records you need are confirmed with the quote before we start.

Diagnose, treat, sign off

In a busy building, we agree a sequence with your contact so the disruption stays in one area at once. Each section is protected, cleaned back and sealed, then handed back before the next one starts. For work around Shader, we aim for one trip, which is why we ask for photos and a full list first. External joints need a dry spell as well.

  1. Every room is surveyed and the failed joints listed.
  2. The fixed quote sets out the rooms, the products and the phasing.
  3. Old sealant is removed completely and the faces cleaned.
  4. Each joint is cleaned and left dry.
  5. New anti-mould sealant goes in and is tooled neat.
  6. Rooms reopen after the cure time.

What we need from you

  • Agree which areas must stay open
  • Tell staff and tenants when we’ll be in
  • Arrange parking or a loading space

Ask for a quote

We quote a fixed sum against the scope you give us, so the cost is agreed before work starts. To ask for one, ring 01277 525 020 or use the quote form.

Get a quick quote

Related advice

When something else is needed

A few problems need another trade or a different fix, and we say so rather than covering them up:

  • A dripping waste or valve behind a panel
  • Loose panels, vanity units or tiles, which need fixing first
  • Failed tanking beneath a wet-room floor or behind tiles

Not sure which it is? You can call the office on 01277 525 020 or email a schedule or drawings and we’ll tell you honestly.

Joints and surfaces we work on

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

Different surfaces, different methods

Wet-room floors and floor-to-wall joints

Floor edges in wet areas are where water most often escapes. Floor perimeters and sealant joints near drains are resealed.

Basins and vanity tops

Vanity tops and basins are splashed all day, so the wall joint and bowl surrounds tend to fail before anything else. They are resealed with anti-mould sanitary silicone.

Building owners, agents and FMs in Shader

Housing associations and managing agents often need work done across blocks and communal areas. We phase the work so people keep access, with each stage agreed with your site contact.

Facilities managers want contractors who arrive with the paperwork sorted. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm with the quote.

Sanitary sealant for Shader buildings

Shader lies within about 1 mile of the sea, and coastal hotels, guest houses and holiday sites tend to fill up in the busy months. Bathrooms turned round daily in the busy months need sound, cleanable joints, which is why off-season resealing makes sense. Shader is on Scotland’s wetter western side. Washrooms with weak extraction stay damp in this climate, and mould finds the silicone first.

Hotels such as Borve Country House Hotel (to the north-east of Shader) have en suite bathrooms where tired silicone at the bath, tray and basin is replaced room by room. In any commercial washroom in or near Shader, mouldy sealant is cut out rather than cleaned, and anti-mould sanitary silicone goes on clean, dry joints.

Shader (Gaelic: Siadar) is in Na h-Eileanan Siar. Commercial clients in Shader use us for work on washrooms and wet areas, as part of our coverage of Na h-Eileanan Siar. Shader is one of 87 places in Na h-Eileanan Siar on our list for washrooms and wet areas.

We take on washrooms and wet areas across the HS2 postcode area. We also cover Borgh (1 mile north-east), Barabhas (4 miles south-west), West Side (4 miles south-west), South Dell (7 miles north-east) and North Dell (8 miles north-east) for washrooms and wet areas. For island and remote sites, we plan travel and materials carefully, so include the location in your enquiry.

What’s near Shader

Not far away are Loch Mòr Bharabhais.

Map of Shader © OpenStreetMap contributors
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