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

Commercial washroom and wet-area sealing in Newtown, Highland

Commercial sealant work in Newtown for contractors, FMs and building owners: sealing in commercial washrooms, showers, kitchens and wet areas, quoted at a fixed price.

  • Washrooms that look worn because of the sealant
  • Black mould inside silicone joints that cleaning can’t shift
  • Open joints at the base of cubicle panels
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
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
Constructionline member
Fully insured: £5m PL

Washroom sealing in Newtown

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

When it isn’t the sealant

We check first that sealant really is the fix. It won’t put right:

  • Fittings that move too much to hold a bead
  • Swollen or delaminated boards behind panels or vanity tops
  • Condensation from failed extract fans

Not sure which it is? You can speak to us on 01277 525 020 or email the details over and we will tell you honestly.

Surfaces we seal

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

Washroom sealing in Newtown

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 we look at them closely. We work on urinals and WCs, showers, trays and wet room floors and kitchens and tea points, and the failures we’re asked to look at most are discoloured joints around urinals and WC pans and complaints from staff, guests or users about tired washrooms. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Newtown is the same: the right product in a properly prepared joint.

In smaller Scottish places like Newtown, commercial washrooms are typically in hotels, pubs, schools, care homes and community halls. Mould grows into sealant in any wet room that doesn’t dry out, and the answer is removal and a fresh bead of anti-mould silicone.

A 12-month guarantee applies to all our work. Should something we installed fail, call the office on 01277 525 020 or email the details over and we’ll come back to it.

Where
Newtown (PH35)
Wider area
Highland
Cover
12 months on every job
Price
Fixed quote, scope in writing
Phone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Questions about Newtown

Do we have to close all our washrooms in Newtown for resealing?

Normally only some of them, for a short time. We work in phases so other facilities stay open. Sanitary silicone needs time to cure before the area is used, and we will tell you how long for the product used.

Which documents can you supply for work in Newtown?

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.

Can washrooms stay open while you work?

Just the room being resealed is out of use. Each room reopens after the sealant’s cure time, then we move on.

What’s the quickest route to a quote?

There are four steps: send details, get a quote, we seal, guaranteed. Step one needs little more than photos and a postcode.

Do you offer coloured sealant?

It depends on the product. Some ranges offer many colours, others very few, so we’ll confirm the colours available for the specified product with the quote.

What will the job cost?

That depends on the job: quantities, access, the product and any phasing. Call for a fixed quote.

Do you need to remove the old sealant?

We always remove it. New silicone won’t stick to the old so a bead over the top fails quickly.

When to bring in a specialist

General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class.

Site maintenance staff can often handle a short internal joint. The usual problems come from preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.

How a job runs

We follow your site rules from the start: sign-in, induction and whatever permit system the building uses. Once we’re cleared to begin, the joints are worked through in the order agreed with your site contact. For a building near Newtown, directions, keys and a contact on the day are worth sorting early. That goes into the plan alongside the quote.

  1. We start by inspecting the fittings and joints and flagging problems sealant can’t solve.
  2. We agree which rooms close and when, so users always have somewhere to go.
  3. We strip out the old bead and clean off the residue left behind.
  4. We clean and dry every surface so the new sealant can grip.
  5. We lay a sanitary silicone bead and tool it smooth so it is easy to clean.
  6. You get a reopening time for every room, with signage left up until then.

Before we start on site

  • Tell us which areas need to stay in use
  • Let us know about inductions and permits
  • Share the asbestos register for older buildings

Getting a fixed quote

A handful of photos and a postcode is the fastest way to a quote. Send them through the quote form, or speak to us on 01277 525 020 or send details through our quote form to discuss it first.

Get a price

Advice

Work for main contractors and building owners

Planned maintenance programmes are welcome: resealing failed joints building by building, on a schedule that suits your budget. Sites in Newtown can sit alongside others in a wider programme.

Agents, factors and owners’ representatives all follow the same route: send details, get a fixed quote, we seal, guaranteed. Keys, access and contacts can be agreed in advance.

Surface by surface

Showers and trays

If a tray moves too much or is cracked, it needs attention first, and we will say so before resealing.

Urinals and WC pans

Floor joints around WC pans are often forgotten. They are checked with everything else.

Why act early in Newtown

A failed joint behind a basin or along a shower tray lets water run where it shouldn’t. In a commercial building that can mean damaged boards, stained ceilings on the floor below and odours, and fixing that takes far more work than resealing. Around smaller places like Newtown, halls, stores and seasonal buildings may not be checked often, so a failed joint has time to cause damage. Early resealing prevents it.

Every site prices differently: the joint sizes, the specified product, access and working hours each have a bearing. A fixed quote follows once we understand the job.

What you get with us

  • Products installed to the manufacturer’s instructions
  • Joints cleaned back to sound surfaces
  • Fixed quotes based on photos, drawings or a visit
  • Fully insured, including public liability cover

Take a look at our cost guide or our accreditations.

Commercial washrooms in Newtown

Newtown is in the west of Scotland, the wetter side of the country. Washrooms with weak extraction stay damp in this climate, and mould finds the silicone first.

In any commercial washroom in or near Newtown, mouldy sealant is cut out rather than cleaned, and anti-mould sanitary silicone goes on clean, dry joints. Around Newtown, we keep some washrooms open while others are resealed.

Newtown is about 31 miles south-west of Inverness, in Highland. Businesses, contractors and managing agents in Newtown use us for work on washrooms and wet areas. Across Highland, 256 places are covered, Newtown among them. Sites around Dundee have their own page, about 79 miles away.

We take on washrooms and wet areas across the PH35 postcode area. We also cover Aberchalder (1 mile south-west), Fort Augustus (3 miles north-east), Glen Moriston (6 miles north-west), Laggan (6 miles south-west) and Invermoriston (9 miles north-east). Island and remote sites need extra planning, with travel, ferry crossings where needed and weather to allow for, so give the site location in your enquiry.

What’s near Newtown

A little further out are Invergarry Castle (3.5 miles south-west). Open spaces near Newtown include Loch Uanagan.

Map of Newtown © OpenStreetMap contributors
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