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

Washroom Sealing contractors in Glasgow

We carry out sealing in commercial washrooms, showers, kitchens and wet areas in Glasgow. Send photographs or drawings for a fixed quote.

  • Urinal joints that look unhygienic
  • Sealant stained black around basins and showers
  • Sealant laid over old silicone and now peeling
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
Backed by a 12-month workmanship guarantee.
South East, London & Scotland
CHAS & Constructionline
£5m PL insurance

Washroom sealing near Glasgow

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

How the quote is worked out

Quotes vary with the job. It mainly depends on:

  • The site’s rules and procedures
  • Removal of failed or old sealant
  • The total length or number of joints
  • Whether the work must be split into stages

No two sites price the same: the joint sizes, the specified product, access and working hours each have a bearing. A fixed quote follows once we understand the job.

What to include in your enquiry

Whether it’s one area or a whole building, these details speed things up:

  • The type of building and who uses it
  • Access details, including height
  • Photos of the joints, close up and from further back
  • Where the site is, with the postcode

Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Send what you have, and we will arrange a site visit if anything is unclear.

How we handle washroom sealing in Glasgow

Since 2005 we have resealed commercial washrooms for facilities teams, contractors and building owners. We are CHAS accredited and a Constructionline member, with CSCS-carded applicators. We are fully insured. Our workmanship is guaranteed for 12 months. If you are dealing with panel joints letting water behind and shower tray joints that have opened up, we can help, whatever the surface. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, in Glasgow it comes down to the same thing: the right product in a properly prepared joint.

Scottish city buildings, from student residences to hospitals and offices, are full of washrooms and wet areas. We reseal them in phases, agreed with the estates or facilities team.

We stand behind the joints we seal: 12 months, guaranteed. It covers how we prepared and applied the sealant, and we come back if anything isn’t right.

Place
Glasgow (G33, G32, G53, G46)
Region
Glasgow
Guarantee
12 months on our workmanship
Price
A fixed quote before we start
Telephone
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Looking after the joints

To get the most from the new sealant:

  • Leave signs up until the cure time is over
  • Clean sealant with gentle products and a soft cloth
  • Clear standing water from shower floors where possible
  • Act on the first split you see at a shower tray

Squeegeeing showers and trays after heavy use helps. Joints that sit wet for hours fail sooner.

Mould in a joint spreads along the bead and into nearby grout and users notice. Dealing with it while it’s just the sealant keeps it simple.

What we can’t put right

A proper diagnosis includes knowing what sealant can’t do. You will hear from us if the cause turns out to be any of the following:

  • Water from plumbing, not from a joint
  • Leaks through tanking or membranes below the finishes
  • Hollow tiles or loose panels behind the joint

If you’re not sure, just speak to us on 01277 525 020 or use the quote form and we’ll give you a straight answer.

Where we work in Glasgow

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

Diagnose, treat, sign off

The first thing on site is a walk round with your contact, to confirm the scope, the order of work and any areas we must keep clear. Then we strip out anything that has failed, prepare every joint and seal it. University, hospital and office estates in Scotland’s cities have their own permits, inductions and sign-in rules. Pass on the site’s contractor rules when you get in touch.

  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.

Getting the site ready

  • Flag any permit to work we’ll need
  • Send any specification or drawings in advance
  • Move anything stored against the joints

Ask for a quote

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

Get a quick quote

Advice

Sanitary sealant for Glasgow buildings

The west of Scotland, where Glasgow is, gets more rain than the east. Where ventilation is poor, damp washrooms here tend to see black mould in the sealant sooner. Four care or nursing homes sit less than 2 miles from Glasgow. Care home wet rooms and en suites are used every day and cleaned hard, which tells on the silicone. Rooms are done a few at a time at times agreed with the home.

Welfare facilities in units on estates such as Kingston Bridge Trading Estate, less than half a mile south-west of Glasgow, have showers, toilets and kitchens with sealant that works hard. Healthcare estates like West Glasgow Ambulatory Care Hospital (1.2 miles north-west of Glasgow) expect contractors to follow their permits and cleaning rules in every washroom.

Glasgow is in Scotland. Any commercial site in Glasgow is covered, for single jobs and planned programmes alike. Our Glasgow coverage takes in 171 places.

Commercial sites across G33, G32, G53 and G46 are covered for washrooms and wet areas. Streets here include Plantation Square, Minerva Square and George Square. With the A8 and A74 nearby, Glasgow is straightforward for us to reach. Sites close to Glasgow are covered too, including Plantation (1 mile west), Tradeston (1 mile east), Kinning Park (1 mile south-west), Sandyford (1 mile north) and Blythswood Hill (1 mile north-east). A short drive away, we cover Yoker (5 miles north-west), Hillpark (3 miles south), Temple (3 miles north-west), Muirend (3 miles south), Newlands (3 miles south) and Anniesland (3 miles north-west).

Near you in Glasgow

Locally, jobs take us to sites close to Kelvingrove Park, St Vincent Street Church and Old Toll Bar and the streets around them. Other local landmarks include Stirling's Library (1 mile east), Craigholme School (1.2 miles south-west) and Glasgow Academy (0.7 miles north). There’s a railway station in Glasgow itself: Anderston station. Nearby you will also find NHS Louisa Jordan (0.7 miles north-west) and Princes Square (0.8 miles east). Not far away are Hogganfield Loch and Cathkin Braes.

Map of Glasgow © OpenStreetMap contributors

What the job involves on each surface

Changing rooms and gyms

Gym and leisure changing rooms see showers running most of the day so sealant there works very hard. We use anti-mould sanitary silicone throughout.

Showers and trays

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

Signs you need washroom sealing in Glasgow

Daily commercial cleaning wears sealant faster than people expect. Strong chemicals, scourers and jet washing roughen, discolour or lift a bead so grime sticks to the damaged surface.

What tends to prompt an enquiry:

  • Resealing that didn’t last because the old bead stayed
  • Black mould inside silicone joints that cleaning can’t shift
  • Discoloured joints around urinals and WC pans
  • Open joints along basins and vanity units

Toilets at colleges like City of Glasgow College - Riverside Campus (to the east of Glasgow) take heavy use from students and staff alike.

Before you book anyone

  • Are they CHAS accredited or on Constructionline?
  • Will RAMS and insurance details be available?
  • Whether old or failed sealant will be cut out, not overlaid
  • Their plan for phasing and protecting the area

Questions to ask before you appoint anyone

Questions we’re asked in Glasgow

Will you work in a care home in Glasgow without moving residents out?

Yes. Care settings are planned area by area, at times agreed with the home. Any site rules, from signing in to infection control, are agreed before we start.

Would you work within a site like West Glasgow Ambulatory Care Hospital?

Yes, healthcare and care buildings are part of our work. Work is phased so departments keep running, under the site’s own rules.

How long will the new sealant last?

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

Will your applicators have CSCS cards?

Yes. Our applicators hold CSCS cards, which many sites require.

Do you take on multi-site work?

Yes. Several buildings can share a single quote, with one point of contact.

Are you insured?

Yes. Our insurance certificate can be sent alongside the quote.

How long does a typical visit take?

That varies with the scale of the job, though a typical visit normally takes between a morning and a week or so, set by the number of rooms and the phasing you need. Larger or phased jobs take longer, and we’ll give you a timescale with the quote.

Accreditations

Trusted. Accredited. Insured.