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

Commercial washroom and wet-area sealing in Soberton, Hampshire

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

  • A new bead over an old one coming away
  • Shower tray joints that have opened up
  • Gaps where vanity tops meet the wall
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
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Washroom sealing across Soberton

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

When something else is needed

Part of a good diagnosis is knowing where sealant stops. We will tell you if the real problem is any of the following:

  • Hollow tiles or loose panels behind the joint
  • Mould caused by poor ventilation, which will return until the extract is fixed
  • Leaks through tanking or membranes below the finishes

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

Surfaces we seal

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

Washroom sealing for commercial buildings in Soberton

Whether it’s a single toilet block in Soberton or a programme across several buildings, the route is the same: send details, get a fixed quote, we seal, guaranteed. A few photos and a count of fittings are enough for a quick quote, or we can arrange a visit. We work on showers, trays and wet room floors, vanity units and basins and urinals and WCs, and what we are called in for most is stained sealant around pans and urinals and kitchen worktop joints that can’t be kept clean. Facilities teams, main contractors and managing agents in Soberton tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.

Smaller places such as Soberton still have commercial washrooms and kitchens: in halls, pubs, schools, care homes and farm-based businesses. Mould gets into sealant in any washroom that doesn’t dry out, and once it’s in, the sealant is replaced.

Our workmanship is guaranteed for 12 months. If our installation lets you down in that time, we return and fix it.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Soberton (SO32)
Region
Hampshire
Guarantee
12 months on every job
Price
Quoted before any work starts
Phone
01277 525 020
Last updated
3 November 2026

Signs you need washroom sealing in Soberton

Sometimes the sealant fails because something behind it is moving or wet: a loose panel, a leaking waste or water coming through the wall. We look for it before resealing and tell you if another trade is needed.

Clients usually get in touch after noticing something like this:

  • Failed sealant behind washroom basins
  • Users noticing mouldy joints
  • Urinal joints that look unhygienic
  • Split or peeling sealant at shower trays

For a site such as Knowle Hospital, which lies south-west of Soberton, sanitary joints in clinical areas need sound, cleanable sealant and a careful method.

Comparing quotes

  • Will CSCS-carded applicators be on site?
  • How joint depth will be controlled
  • Whether old or failed sealant will be cut out, not overlaid
  • Can the work be phased to keep areas open?

Our contractor checklist

Diagnose, treat, sign off

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 usually taking between a morning and a week or so, set by the number of rooms and the phasing you need. Jobs in and around smaller places like Soberton are normally planned as a single visit, so photos and measurements up front really help. 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. Failed sealant and residue are stripped out.
  4. We reseal with the grade suited to each area.
  5. We give you a reopening time for every room.

Preparing the site

  • Point out any areas we must not close
  • Arrange parking or a loading space
  • Send asbestos survey details if the building is pre-2000

Ask for a quote

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

Ask for a quote

Read more

Keeping Soberton washrooms open while we work

Soberton lies roughly 59 miles out from central London, within the office belt around the capital. Office washrooms on business parks see heavy weekday use, which is why the work is phased.

Office toilets at parks like Waltham Business Park (to the west of Soberton) take steady weekday use, and mouldy silicone soon shows. At a school such as Droxford Junior School, changing rooms and kitchens need cleanable joints as much as the toilets.

Soberton is about 6 miles north-west of Horndean, in Hampshire. We send applicators to Soberton for washrooms and wet areas, handled exactly as we handle every other area. Across Hampshire, 723 places are covered, Soberton among them. We also cover Portsmouth, around 10 miles from Soberton.

Business premises anywhere in SO32 are within our area. Streets here include High Street, Station Road and Long Road, and sites on any of them can send details for a fixed quote. Close to Soberton, our area also takes in Droxford (1 mile north), Brockbridge (1 mile north), Soberton Heath (2 miles south), Hill Grove (2 miles west) and Southend (2 miles south). A short drive away, we cover Winchester (11 miles north-west), Gosport (10 miles south), Havant (9 miles south-east), Eastleigh (9 miles west), Fareham (7 miles south-west) and Horndean (6 miles south-east).

Local landmarks in Soberton

We work on buildings around White Lion Inn. Well-known places in the area include Knowle Hospital (5.4 miles south-west) and Bishop's Waltham Museum (3.7 miles west). Open spaces near Soberton include Beacon Hill and St Clair's Meadow.

Map of Soberton © OpenStreetMap contributors

What affects the price in Soberton

Sealant work doesn’t have a standard rate, because every site is different. What we look at:

  • Phasing around occupants
  • Access and working height
  • The total length or number of joints
  • The size and state of each joint

The price depends on how many linear metres there are, how much old material needs removing and how the joints are reached. Call for a fixed quote when you are ready.

What we need to price the job

There’s no need for a formal survey. These details are enough to start:

  • Where the site is, with the postcode
  • The asbestos register, for older buildings
  • Whether the building will be occupied during the work
  • A wide shot and a close-up of the area

Need a figure for a tender or a budget? Send the scope and any drawings, and we will return a fixed quote that you can work with. For a chat about it beforehand, call 01277 525 020 or send details through our quote form.

Looking after the joints

Regular inspection catches problems early. In particular:

  • Keep extract fans working and vents clear
  • Brief cleaning staff to treat joints gently
  • Squeegee showers and trays after busy periods
  • Report split joints at trays and basins early

Ventilation is half the battle. 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.

Soberton: questions and answers

Is Soberton off your patch?

No. Small places get the same service as large ones. We work across Greater London and the South East. Good photographs up front let us bring everything on the first visit.

Will the toilets in our Soberton building be out of use?

Rarely all at once: work is phased so some facilities are always available. We will tell you the curing time for the product before we start.

Do you take on small jobs?

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

What guarantee comes with washroom resealing?

Every job carries our 12-month guarantee. It applies to our workmanship, not to plumbing leaks or damp from poor ventilation.

Will all the toilets be closed at once?

Just the room being resealed is out of use. Rooms go back into use once the sealant has cured, then we move on.

Can you send site paperwork?

Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we will confirm with the quote.

Do you use special sealant for toilets and showers?

It depends on the joint. Washrooms and showers take anti-mould sanitary silicone, and food areas take a hygienic, food-safe sealant where food contact is possible.

Why it’s worth doing now in Soberton

A tired-looking washroom doesn’t always need a refurbishment. If the finishes are in good order, replacing the sealant may do much of what’s needed for now. Older rural buildings around Soberton move with the seasons, and rigid or tired sealant can’t keep up. The right product, sized to the joint, copes much better.

Every site prices differently: the joint sizes, the specified product, access and working hours each have a bearing. Send the details and a fixed figure follows.

Why us?

  • Commercial sealant work since 2005
  • Fully insured
  • Clear, fixed quotes
  • Health and safety: CHAS accredited

See what affects the cost and how we’re accredited.

Accreditations

Trusted. Accredited. Insured.