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

Commercial washroom and wet-area sealing in Carloway, Na h-Eileanan Siar

We carry out sealing in commercial washrooms, showers, kitchens and wet areas in Carloway and the surrounding area. Send photos or drawings for a fixed quote.

  • Shower tray joints that have opened up
  • Kitchen worktop joints that can’t be kept clean
  • Washrooms that look worn because of the sealant
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
12-month guarantee on our workmanship.
Covering the South East & Scotland
Constructionline member
Fully insured: £5m PL

Washroom sealing near Carloway

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

Our process

We begin with a short walk round with whoever looks after the building, agreeing which joints are in scope, where to start and what must stay open. After that, any old or failed material is removed, each joint is prepared and the new sealant goes in. Where we can, we combine work around Carloway with other jobs nearby. Tell us how flexible your dates are.

  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 confirm reopening times for each washroom.

Before we start on site

  • Have the specification and drawings to hand
  • Send asbestos survey details if the building is pre-2000
  • Tell us what induction or permit system the site runs

Request a quote

Tell us about the building, the joints and when you need the work done, and we’ll put a fixed quote together. To get it moving, call the office on 01277 525 020 or use the quote form.

Get a quick quote

Related advice

Washroom sealing in Carloway

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. Gaps in those places let water get under the floor or behind panels so they get particular attention. If you have stained or open joints at kitchen sinks and worktops and washrooms that look worn because of the sealant, we can put it right, on vanity units and basins, urinals and WCs and accessible toilets and changing rooms alike. For commercial sealant work in Carloway, you deal with one contact from quote to sign-off, whether it’s one building or several.

Hotels and holiday accommodation in rural Scotland have busy and quiet seasons, so washroom work is often best planned for quieter months.

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.

Place
Carloway (HS2)
Region
Na h-Eileanan Siar
Guarantee
12 months on every job
Quote
Quoted before any work starts
Phone
01277 525 020
Page updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Doing it in-house

There’s also the paperwork. 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.

Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

How the quote is worked out

Each job is priced on its own details. The main factors are:

  • Distance, for remote addresses
  • Specialist products, such as fire-rated or hygienic sealants
  • Whether old sealant has to be cut out first
  • How accessible the joints are

There’s no price list, since every building and every scope is different. Call for a quote.

Sending details for a quote

To price the job accurately, we need to understand the site. Send us:

  • Any dates the work must fit around
  • Access details, including height
  • Clear photographs of the problem areas
  • Specification clauses that apply

Send us photographs, drawings or a joint schedule are often enough for a fixed quote. Where a site visit makes more sense, we’ll arrange one.

Maintenance after handover

Once the work is signed off, a little attention goes a long way:

  • Leave signs up until the cure time is over
  • Note failing joints building by building
  • Act on the first split you see at a shower tray
  • Clean sealant with gentle products and a soft cloth

Keep extract fans working and vents clear. A room that stays damp will grow mould on almost anything, so get faulty extract looked at.

Mould in a joint spreads along the bead and into nearby grout and users notice. Replacing it early keeps the job to a reseal.

FAQs: Carloway

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

Yes, Carloway is within the area we cover. Every Scottish council area is within our area. Island work is planned around ferry crossings and the weather, so photos and a full list before we travel are essential.

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

Not all at once. We take one block of facilities at a time. Sanitary silicone needs time to cure before the area is used, and we will tell you how long for the product used.

Is old silicone taken out first?

The whole of the old bead is removed and the surfaces cleaned first. That’s what makes the new joint last.

How long do sealant joints last?

It depends on movement, UV and weather, cleaning, traffic and the product. Treat them as maintenance items and inspect them regularly.

Are your applicators CSCS-carded?

Yes. Should the site need card details in advance, tell us and we’ll confirm them with the quote.

Can you quote from photos?

It depends on the job. Simple work can often be priced from photographs, while larger or less clear jobs get a site visit first.

Is there a guarantee on the work?

A 12-month guarantee covers the work. It covers our workmanship rather than damage, leaks from plumbing or ventilation problems.

Do you need washroom sealing in Carloway?

Mop buckets, trolleys and knocks from users damage joints near the floor, especially at floor edges and around urinals and WC pans.

What tends to prompt an enquiry:

  • Shower tray joints that have opened up
  • Sealant stained black around basins and showers
  • Resealing that didn’t last because the old bead stayed
  • Discoloured joints around urinals and WC pans

For buildings around Carloway, washrooms can be done in phases so some facilities are always open.

Questions to ask before you book

  • How they’ll work around occupants
  • How the joint faces will be prepared and primed
  • How joint depth will be controlled
  • The named product and why it was chosen

Choosing a commercial sealant contractor

Commercial washrooms in Carloway

Carloway is within about 2 miles of the coast, 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, so we plan the work for quieter weeks where possible. The west of Scotland, where Carloway is, gets more rain than the east. In a damp climate, washrooms that aren’t well ventilated stay wet for longer, and sealant in a room that never dries out moulds faster.

Around Carloway, washroom joints are resealed by removing the old silicone completely and laying anti-mould sanitary silicone on dry surfaces.

Carloway (Gaelic: Càrlabhagh) is in Na h-Eileanan Siar. Commercial clients in Carloway can call on us for washrooms and wet areas, as part of our coverage of Na h-Eileanan Siar. Our Na h-Eileanan Siar coverage takes in 87 places, large and small.

Commercial sites across HS2 are covered. Just outside Carloway, we also work in Na Gearrannan (1 mile north-west), Shawbost (4 miles north-east), Breasclete (4 miles south), Bragar (6 miles north-east) and Barabhas (10 miles north-east). Where a site is remote or on an island, we plan travel and materials carefully, so include the location in your enquiry.

Around Carloway

Other landmarks nearby include Gearannon Blackhouse Village (1.4 miles north-west). For a walk, there’s Loch Langavat.

Map of Carloway © OpenStreetMap contributors

Why deal with it now?

Water gets behind panels and under floors through a failed joint. In a commercial building that can mean damaged boards, stained ceilings on the floor below and odours which costs more to fix than a reseal. Buildings that aren’t in daily use, such as halls and seasonal premises, may let water in unnoticed, so a failed joint has time to cause damage. Early resealing prevents it.

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

Why appoint us

  • RAL and finish matching where the product range allows
  • Joints cleaned back to sound surfaces
  • Our applicators hold CSCS cards
  • Constructionline member

See how commercial sealant jobs are priced or our accreditations.

Accreditations

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