The Mastic Doctor team standing beside their branded vans outside an office building
Highland · Scotland

Washroom Sealing contractors in Altnaharra

Washroom sealing for Altnaharra, from a contractor working since 2005. Fully insured and CHAS accredited.

  • Washrooms that look worn because of the sealant
  • Sealant laid over old silicone and now peeling
  • Gaps where vanity tops meet the wall
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
CHAS & Constructionline
£5m public liability

Washroom sealing for businesses in Altnaharra

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

Washroom sealing for commercial buildings in Altnaharra

Accessible WCs, showers and changing areas have their own pinch points: 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. If you have users noticing mouldy joints and discoloured joints around urinals and WC pans, we can help. Whether you call it commercial sealant work, mastic application or joint sealing, in Altnaharra it comes down to the same thing: failed joints cut out, faces prepared and the right sealant laid to the right depth.

Around smaller places such as Altnaharra, washrooms and kitchens are found in hotels, pubs, schools, care homes and halls. Black sealant normally can’t be cleaned, so it is removed and replaced with anti-mould sanitary silicone.

We sign every job off with a 12-month guarantee. It’s a plain promise: if our work fails within that year, we put it right.

Where
Altnaharra (IV27)
Wider area
Highland
Guarantee
12 months on our workmanship
Price
A fixed quote before we start
Phone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

When to call us in Altnaharra

Warmth, moisture and soap residue are exactly what mould needs, and sealant joints trap all three. Anti-mould additives help, but in a poorly ventilated room mould can still take hold eventually.

Clients typically get in touch after noticing one or more of the following:

  • Open joints at the base of cubicle panels
  • Sealant stained black around basins and showers
  • Resealing that didn’t last because the old bead stayed
  • Complaints from staff, guests or users about tired washrooms

Washrooms near Altnaharra get the old silicone stripped out and a fresh anti-mould bead on dry joints.

Comparing quotes

  • How the joint faces will be prepared and primed
  • What level of public liability insurance do they hold?
  • Health and safety accreditation such as CHAS
  • Will failed sealant be removed rather than covered?

Our contractor checklist

Washroom sealing in Altnaharra: the local picture

The west of Scotland, where Altnaharra is, gets more rain than the east. Damp air means a poorly ventilated washroom rarely dries out fully, which is when mould gets into the sealant.

En suites at hotels like Altnaharra Hotel, under half a mile south-east of Altnaharra, are cleaned daily, which wears silicone over time.

Altnaharra is about 39 miles south-west of Thurso, in Highland. Looking for washroom sealing in Altnaharra? We can help, as we do across Highland. Our Highland coverage takes in 256 places.

Work on washrooms and wet areas is covered throughout IV27, whatever the building. Sites close to Altnaharra are covered too, including Tongue (13 miles north), Melness (17 miles north), An Luirg (18 miles south), Am Blàran Odhar (19 miles north-east) and Innis nan Lìon (21 miles south). Remote and island addresses take more planning, from travel and ferries to the weather, so give the site location in your enquiry.

What’s near Altnaharra

Green spaces nearby include Loch Eileanach and Meall an Fhuarain.

Map of Altnaharra © OpenStreetMap contributors

Different surfaces, different methods

Basins and vanity tops

Natural stone tops can be marked by acetoxy silicone, so the product is chosen to suit.

Changing rooms and gyms

Showers, floor edges and vanity units in changing rooms all need sound sealant, and we survey them together.

Why act early in Altnaharra

Leaving the job until a shutdown often means living with it for months. Phasing lets it happen now, with facilities kept in use. Renewing every failing joint on one visit is the sensible approach for a place like Altnaharra. Send photographs and we’ll quote for everything together.

The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a quote.

Why appoint us

  • Fully insured, including public liability cover
  • Standard and matched colours in many product ranges
  • 12-month guarantee on workmanship
  • Clear, fixed quotes

Read our cost guide and our accreditations and insurance.

When it isn’t the sealant

Sealant solves a lot, but not everything, and we’d rather tell you before you spend money. It won’t fix:

  • A dripping waste or valve behind a panel
  • Loose panels, vanity units or tiles, which need fixing first
  • Vanity carcasses that have swollen

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

Surfaces we seal

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

Owners, agents and contractors

When you manage a building on behalf of an owner, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative.

CHAS accredited and a Constructionline member, we’re straightforward to vet for your supplier list. We are fully insured, and our insurance certificate can go with the quote.

Altnaharra: questions and answers

Will all the washrooms in our Altnaharra building be closed at once?

Not all at once. We take one block of facilities at a time. Each area is handed back once the sealant has cured enough to use.

What documents will you need to give us for a job in Altnaharra?

We will confirm the paperwork you need, such as RAMS, our insurance certificate and CSCS details, with the quote. Our applicators are CSCS-carded, and we carry £5m public liability insurance.

What guarantee comes with washroom resealing?

There is a 12-month guarantee on our workmanship, and we carry public liability insurance.

Will cleaning remove black mould from sealant?

Surface cleaning won’t reach mould that has rooted into the bead. We replace the sealant with an anti-mould sanitary grade and point out if ventilation is part of the problem.

Do you cover Altnaharra?

Yes. We cover Altnaharra. To discuss a job, give us a call on 01277 525 020 or email a schedule or drawings.

Will you quote for a small job?

Small jobs are welcome alongside larger packages. Photos and a description are enough to start.

What sealant do you use in washrooms?

It depends on the joint. Washrooms and showers take anti-mould sanitary silicone while kitchens may need a food-safe grade.

From enquiry to sign-off

When we get to site, we sign in, go through any site induction and check how permits are handled. Everything around the joints gets protected before any cutting starts, and the work normally takes a few hours for one toilet block, with bigger buildings phased across a number of visits. Travel to smaller Scottish places like Altnaharra is planned so the job is finished in one visit where possible, which is why we ask for photos and a full list first. Outside work also needs a suitable weather window.

  1. We survey each room, count the joints and note anything behind them that needs another trade.
  2. A phasing plan keeps part of the building’s facilities in use at all times.
  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. Rooms reopen after the product’s cure time, and we move to the next.

Getting the site ready

  • Agree which areas must stay open
  • Have the specification and drawings to hand
  • Tell us your opening times and when work is allowed

Request a quote

Let us know the site, the scope and your timescale, and we’ll put a fixed quote together. To get it moving, call 01277 525 020 or use the quote form.

Get a quick quote

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