The Mastic Doctor team standing beside their branded vans outside an office building
Hampshire · England

Washroom Sealing in Swanwick

We carry out sealing in commercial washrooms, showers, kitchens and wet areas in Swanwick. Send details for a fixed quote.

  • Complaints from staff, guests or users about tired washrooms
  • Mould spotting along silicone joints
  • Stained sealant around pans and urinals
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
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
Covering the South East & Scotland
Constructionline member
£5m PL insurance

Washroom sealing in Swanwick

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

Leave it or put it right?

A tired washroom says a lot about how a building is run. Guests, clients, pupils and patients notice stained joints even when the room is otherwise spotless. Resealing is a modest task with a very visible payoff. Converted and older buildings near places like Swanwick tend to move, and aged sealant cracks. The right product, sized to the joint, copes much better.

No two sites price the same: joint size, product, access and site hours all play a part. A fixed quote follows once we understand the job.

Why clients in Swanwick choose us

  • Fixed quotes based on photos, drawings or a visit
  • Fully insured
  • Work carried out by CSCS-carded applicators
  • Over 20 years of commercial sealing

Take a look at our cost guide and our accreditations and insurance.

How we handle washroom sealing in Swanwick

Our washroom work covers offices, hotels, schools and colleges, leisure centres and gyms, clinics and care homes, along with staff kitchens and tea points. Product and method follow how hard each area is used and cleaned. Most enquiries involve panel joints letting water behind and sealant stained black around basins and showers, across urinals and WCs, accessible toilets and changing rooms and IPS panels and cubicles. Most enquiries from Swanwick start with one failed joint and grow into a wider look at the building: we check the joints around it and give you an honest view of what needs doing now and what can wait.

Smaller places such as Swanwick still have commercial washrooms and kitchens: in halls, pubs, schools, care homes and farm-based businesses. Sealant that has gone black with mould normally can’t be cleaned, so it is cut out and replaced.

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

Location
Swanwick (SO31, PO15)
Wider area
Hampshire
Cover
12 months on every job
Price
A fixed quote before we start
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

How a job runs

On arrival, we report to your site contact and complete whatever induction the building runs. Everything around the joints gets protected before anything is cut or cleaned, with the work itself typically taking half a day to a day per washroom, depending on the number of fittings. Jobs in and around smaller places like Swanwick are normally planned as a single visit, so we ask for photos and rough sizes first. Then the right materials arrive with us.

  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. The right sanitary or food-safe sealant is applied.
  5. We give you a reopening time for every room.

What we need from you

  • For older buildings, check the asbestos register before work
  • Agree which areas must stay open
  • Clear stock, furniture or equipment away from the joints

Ask for a quote

Pricing a project or setting a maintenance budget? Send the scope and any drawings, and we will return a fixed quote you can plan around. For a chat about it beforehand, give us a call on 01277 525 020 or use the quote form.

Get a quick quote

Read more

Washroom sealing around Swanwick: points for this area

Swanwick is within about 3 miles of the coast, and coastal hotels, guest houses and holiday sites tend to fill up in the busy months. Washrooms used guest after guest wear their sanitary silicone faster, so resealing in the quieter months keeps rooms ready. A 2-mile radius around Swanwick takes in several hotels. En suite bathrooms, staff changing rooms and kitchens all need their sanitary silicone renewed in time.

At a school such as Sarisbury Church of England Junior School, changing rooms and kitchens need cleanable joints as much as the toilets. In a centre such as Hedge End Retail Park (2.7 miles north-west of Swanwick), public washrooms are resealed a block of facilities at a time.

Swanwick is about 2 miles south of Hedge End, in Hampshire. Swanwick sits inside our coverage and the rest of Hampshire, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Swanwick is one of 723 places in Hampshire on our list.

Business premises anywhere in SO31 and PO15 are within our area for washrooms and wet areas. We cover commercial and managed buildings on Walpole Lane, Ashby Mews and Swanwick Lane. We also cover Lower Swanwick (1 mile north-west), Sarisbury (1 mile south-east), Park Gate (1 mile south-east), Burridge (1 mile north-east) and Sarisbury Green (1 mile south). Bigger towns within reach include Winchester (12 miles north), Gosport (8 miles south-east), Havant (13 miles east), Eastleigh (6 miles north-west), Fareham (4 miles south-east) and Horndean (12 miles east).

Near you in Swanwick

Locally, jobs take us to sites close to The Old Ship Inn and Brookfield Community School and Language College. The closest station to Swanwick is Bursledon station, roughly 0.8 miles west. Nearby you will also find Bursledon Brickworks Industrial Museum (less than half a mile north) and St Andrew's Castle (2.4 miles south-west). Not far away are Swanwick Lakes.

Map of Swanwick © OpenStreetMap contributors

Common problems we fix in Swanwick

Commercial cleaning is harder on sealant than everyday use. Strong chemicals, scourers and jet washing roughen, discolour or lift a bead, and dirt and mould then get a foothold.

Common reasons buildings call us in:

  • Urinal joints that look unhygienic
  • Shower tray joints that have opened up
  • Open joints at the base of cubicle panels
  • Sealant laid over old silicone and now peeling

Healthcare washrooms on sites such as Fareham Community Hospital, 1 mile south-east of Swanwick, are resealed area by area, under the site’s own infection-control rules.

Comparing quotes

  • The named product and why it was chosen
  • Their approach to joint depth and backing
  • Do they follow the manufacturer’s priming guidance?
  • Their pre-qualification and accreditations

Choosing a commercial sealant contractor

Questions about Swanwick

Is a hospital such as Fareham Community Hospital somewhere you can work?

Yes. Healthcare sites are among the places we work. Each area is agreed with the ward or department and the estates team in advance.

Is Swanwick too small for you to travel to?

Not at all: smaller places are covered as well as towns. Our area covers London and the South East counties. Where we can, we group nearby jobs to make the most of each trip.

Do you offer coloured sealant?

It depends on the product specified. Some ranges offer many colours, others very few, so the available colours are confirmed with the quote.

What do you charge?

We don’t publish prices, because every site is different. With photographs or drawings, we can give you a fixed quote.

What guarantee comes with washroom resealing?

Our workmanship has a 12-month guarantee, and we carry public liability insurance.

Do you take on multi-site work?

Yes. A group of buildings can go on one quote, with one point of contact.

How long will the new sealant last?

There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular inspection is the best way to catch problems early.

When to bring in a specialist

Site maintenance staff can often handle a short internal joint. Where it goes wrong is preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

For a quick touch-up, site staff may be fine, but anything bigger is another matter: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

For managing agents and facilities managers

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.

FMs need a contractor who is easy to get on site. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.

How the job changes by surface

IPS and cubicle panels

Swollen or delaminated boards need replacing, and any we come across will be pointed out.

Kitchens and tea points

Staff kitchens and tea points have joints at worktops, sinks and splashbacks. Sound joints keep those surfaces easy to clean.

Accreditations

Trusted. Accredited. Insured.