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

Washroom Sealing contractors in Hermiston

Need washroom sealing in Hermiston? Send us the details for a fixed quote, backed by a 12-month guarantee on the work.

  • Mould spotting along silicone joints
  • Stained or open joints at kitchen sinks and worktops
  • Discoloured joints around urinals and WC pans
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
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
Constructionline member
£5m PL insurance

Washroom sealing near Hermiston

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

Washroom sealing for commercial buildings in Hermiston

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. Gaps in those places let water get under the floor or behind panels so they get particular attention. We work on urinals and WCs, kitchens and tea points and IPS panels and cubicles, and the failures we are asked to look at most are mould spotting along silicone joints and split or peeling sealant at shower trays. Facilities teams, main contractors and managing agents in Hermiston tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

Travel to smaller places like Hermiston is planned so the work is finished on one visit. Send photographs and a room list and we will give a fixed quote.

Every job we finish is backed by a 12-month workmanship guarantee, in Hermiston as everywhere else we work. If our installation lets you down in that time, we return and fix it.

Where
Hermiston (EH12, EH14)
Wider area
Edinburgh
Guarantee
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

Our process

We bring the products specified for the job, along with primers and backing rod. Any old material is cut back to clean, sound faces, primer goes on where the manufacturer specifies it, and each bead is tooled to a neat concave finish. For a building near Hermiston, directions, keys and a contact on the day are worth sorting early. We will confirm the plan with the fixed quote.

  1. Every room is surveyed and the failed joints listed.
  2. You get a fixed quote with the phasing plan.
  3. The whole of the old bead is removed.
  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.

Preparing the site

  • Share your working hours and any access restrictions
  • Warn occupants and staff about the work
  • Send any specification or drawings in advance

Getting a fixed quote

To get a fixed quote, give us a call on 01277 525 020 or email a schedule or drawings, telling us the site location and the nature of the job. You can also send details through our quote form.

Get a price

Read more

Common problems we fix in Hermiston

Cubicle panels, IPS panels and vanity units flex when people lean on them or doors are slammed and trays shift slightly with each user. If the joint wasn’t laid to take that movement, it tears or peels away.

These are often picked up first by site or facilities staff:

  • Sealant lifting along a tray edge
  • Open joints at the base of cubicle panels
  • Black mould inside silicone joints that cleaning can’t shift
  • Sealant laid over old silicone and now peeling

At a university such as Heriot-Watt University, 0.8 miles south of Hermiston, summer is the usual window for resealing residence bathrooms.

What to look for in a quote

  • Their pre-qualification and accreditations
  • Proof of insurance
  • Can the work be phased to keep areas open?
  • Is the sealant right for the movement and the substrate?

How to choose a sealant contractor

Why deal with it now?

Gaps and mould in joints give dirt and bacteria somewhere to sit which matters most in healthcare, food and education settings. A smooth, sealed joint can be cleaned properly. Renewing every failing joint on one visit is the sensible approach for a place like Hermiston. Photos of each area help us quote the whole job.

Cost follows what’s involved: stripping out, preparation, sealing, access and phasing. Call for a quote and we’ll explain how it’s made up.

Why appoint us

  • One phone line for London, the South East and Scotland
  • Joints cleaned back to sound surfaces
  • Our applicators hold CSCS cards
  • Colours chosen to suit frames, cladding or finishes where possible

See our cost guide or our accreditations.

Keeping Hermiston washrooms open while we work

There are several hotels within about 2 miles of Hermiston. Hotel en suites take daily use, and tired silicone at trays and basins is one of the first things guests notice. There are two care or nursing homes within about 2 miles of Hermiston. In a care setting, a mouldy or lifting joint in a wet room is a hygiene issue as much as a cosmetic one. We plan the work with the manager so residents are disturbed as little as possible.

Healthcare estates like Spire Murrayfield Hospital (to the north-east of Hermiston) expect contractors to follow their permits and cleaning rules in every washroom. At a college such as Edinburgh College - Sighthill Campus, which lies east of Hermiston, washroom and kitchen sealant is best renewed in the holidays or in phases during term.

Hermiston is about 5 miles west of Edinburgh, in Edinburgh. Businesses, contractors and managing agents in Hermiston can call on us for washrooms and wet areas. 174 places across Edinburgh fall within our area, including Hermiston.

If you need washroom sealing in EH12 and EH14, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. Buildings on Gogar Station Road, Hermiston House Road and Hermiston Steading are within our area for washrooms and wet areas. If your building is just outside Hermiston, we cover Riccarton (1 mile south), Gogar (1 mile north-west), Maybury (1 mile north), Warriston (1 mile south-west) and West Craigs (1 mile north). Further afield, our area takes in Edinburgh (5 miles east), Leith (7 miles north-east), Bonnington (6 miles north-east), Greenside (6 miles north-east), Broughton (6 miles north-east) and Bellevue (6 miles north-east).

Near you in Hermiston

For rail, the closest station is Edinburgh Park station, about 0.6 miles north-east of the centre. Other landmarks nearby include ICE Scotland Museum (0.8 miles south) and The Gyle Shopping Centre (1.2 miles north). The countryside around Hermiston includes The New Leaf Co-op and Warklaw Hill.

Map of Hermiston © OpenStreetMap contributors

What sealant work can’t fix

A few problems need another trade or a different fix, and we point that out rather than sealing over them:

  • Fittings that move too much to hold a bead
  • Failed tanking beneath a wet-room floor or behind tiles
  • Water from plumbing, not from a joint

If you are not sure, just phone 01277 525 020 or send photos by email and we will give you a straight answer.

Where we work in Hermiston

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

After the work

Sealant joints are maintenance items, and their life depends on movement, exposure, cleaning and use. We suggest:

  • Add sealant joints to planned maintenance checks
  • Clear standing water from shower floors where possible
  • Act on the first split you see at a shower tray
  • Brief cleaning staff to treat joints gently

Keep extract fans working and vents clear. A room that stays damp will grow mould on almost anything so report fans that aren’t working to your building services team.

Boards behind panels and vanity tops can swell when water gets past a failed joint. Once that happens, a reseal won’t fix them.

Work for main contractors and building owners

Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, with each stage agreed with your site contact.

If you look after buildings for someone else, you need clear quotes and clear reporting. You get a fixed quote, an agreed scope and a walk round at the end, plus a 12-month guarantee.

Questions we are asked in Hermiston

Would you work within a site like Spire Murrayfield Hospital?

Yes. We work in healthcare settings as well as offices and schools. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

Could you schedule work at a campus like Heriot-Watt University for the vacation?

Yes, holiday working periods are the norm on campus jobs. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.

Is there a guarantee on the work?

Every job carries our 12-month guarantee. It covers our workmanship rather than damage, leaks from plumbing or ventilation problems.

Does weather matter for sealant work?

For external joints, yes. Sealant needs a dry joint and a temperature within the product’s range, so damp, frosty or very cold days can stop external work. Inside work is seldom held up.

Do you use special sealant for toilets and showers?

Sanitary silicone with anti-mould additives for most washroom joints. Neutral-cure grades are used where acetoxy types could mark metals, stone or mirror backings.

What’s the quickest route to a quote?

It works in four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. The first step only needs photos and a postcode.

Can you clean the mould off instead of resealing?

Not for long. The mould is inside the silicone, so it comes back however often it’s cleaned. Replacing the bead is the lasting answer.

Accreditations

Trusted. Accredited. Insured.