The Mastic Doctor team standing beside their branded vans outside an office building
Isle of Wight · England

Washroom Sealing contractors in Locksgreen

Sealing in commercial washrooms, showers, kitchens and wet areas in Locksgreen and across the Isle of Wight. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.

  • A new bead over an old one coming away
  • Sealant stained black around basins and showers
  • Failed sealant behind washroom basins
1
Send details
Drawings, photos, a joint schedule or a site 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
12-month guarantee on our workmanship.
Covering the South East & Scotland
CHAS accredited
£5m PL insurance

Washroom sealing near Locksgreen

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

Diagnose, treat, sign off

We begin with a short walk round with whoever looks after the building, 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. If others near Locksgreen need work, visits can be combined, which keeps travel down. You will have a fixed quote before work starts.

  1. We survey each room, count the joints and note anything behind them that needs another trade.
  2. We agree which rooms close and when, so users always have somewhere to go.
  3. The failed silicone is stripped and every face scraped clean of residue.
  4. Joints are cleaned, degreased and dried before sealing.
  5. A bead of anti-mould sanitary silicone goes in and is tooled to a smooth, cleanable profile.
  6. Rooms reopen after the product’s cure time, and we move to the next.

Preparing the site

  • Clear stock, furniture or equipment away from the joints
  • Tell us what induction or permit system the site runs
  • Let building users know which areas are affected

Request a quote

Send details, get a quote, we seal, guaranteed: that’s how every job runs. To take the first step, call 01277 525 020 or email drawings and photos.

Ask for a quote

Related advice

Washroom sealing for commercial buildings in Locksgreen

We reseal washrooms and wet areas in offices, hotels, schools, universities, gyms, healthcare buildings 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 failed sealant behind washroom basins and resealing that didn’t last because the old bead stayed, across vanity units and basins, kitchens and tea points and accessible toilets and changing rooms. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: in Locksgreen, that means joint design, primers and backing rod as standard.

Rural businesses near smaller places such as Locksgreen, from cafés to event venues, rely on washrooms and kitchens that stay clean. We plan the work around bookings and opening times.

Every job ends the same way: guaranteed. You get a 12-month guarantee on our workmanship, and the quote explains what it covers.

Location
Locksgreen (PO30)
Wider area
Isle of Wight
Guarantee
A 12-month guarantee
Price
Fixed quote, scope in writing
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Quoting for work in Locksgreen

To price the job, we consider:

  • How much existing material needs removing
  • The size and state of each joint
  • How accessible the joints are
  • Specialist products, such as fire-rated or hygienic sealants

Small jobs and large programmes are priced from the same things: what’s in scope, how we reach it, what’s specified and when it needs doing. Call for a quote and we will put a fixed figure on it.

Details that help us quote

A good diagnosis starts with the right details. Tell us:

  • Any dates the work must fit around
  • Whether the building will be occupied during the work
  • The postcode of the building
  • Clear photos of the problem areas

For a fixed quote, call 01277 525 020 or use the quote form. Our quote form is another easy route.

What happens if it’s left?

Washrooms shape how visitors judge a building. Visitors notice black sealant even when the room is otherwise spotless. Resealing is a modest task with a very visible payoff. One visit to deal with every failing joint makes more sense than several trips to a place like Locksgreen, rather than one at a time. Photos of every joint help us quote for the whole job.

The specified product makes a difference, as does the preparation each joint needs, from cutting out to priming and backing rod. Access, phasing and site requirements come into it too.

Why appoint us

  • Over 20 years of commercial sealing
  • Colour options checked against the specified product
  • CSCS-carded applicators
  • Fully insured, including public liability cover

See how commercial sealant jobs are priced and our accreditations and insurance.

Sanitary sealant for Locksgreen buildings

Locksgreen sits close to the coast, within about 2 miles, and seaside hospitality usually has a peak season that works washrooms hard. Bathrooms turned round daily in the busy months need sound, cleanable joints, and the quieter months are the natural time to reseal.

At a hospital like St Mary's Hospital, 3.1 miles to the east of Locksgreen, patient and staff washrooms are best done in short phases agreed with the ward.

Locksgreen is about 3 miles west of Newport, in the Isle of Wight. Anywhere in PO30, it works the same way: send details, get a fixed quote, we seal, and the work is guaranteed. Across the Isle of Wight, 125 places are covered, including Locksgreen. Sites around Southampton have their own page, about 14 miles away.

Commercial sites across PO30 are covered. If your building is just outside Locksgreen, we cover Porchfield (1 mile north-east), Newtown (1 mile west), Great Thorness (1 mile north-east), Forest Side (2 miles east) and Noke Common (3 miles east). Bigger towns within reach include Newport (3 miles east), Ryde (9 miles east), Cowes (4 miles north-east), Sandown (10 miles south-east), Shanklin (10 miles south-east) and Ventnor (11 miles south-east). For island and remote sites, travel and materials need planning ahead, so the full address helps from the start.

Around Locksgreen

We work on buildings around Sportsman's Rest pub. A little further out are Calbourne Water Mill And Rural Museum (3 miles south-west) and Carisbrooke Castle (3.1 miles south-east). For a walk, there’s Brighstone Down.

Map of Locksgreen © OpenStreetMap contributors

Do you need washroom sealing in Locksgreen?

Washrooms are warm, damp and full of organic residue, and silicone joints hold onto all three. Anti-mould additives help, but in a poorly ventilated room mould can still take hold eventually.

Any of the following is a good reason to get the joints checked over:

  • Panel joints letting water behind
  • A new bead over an old one coming away
  • Failed sealant behind washroom basins
  • Mould spotting along silicone joints

Office toilets at parks like Porchfield Business Park (to the west of Locksgreen) take steady weekday use, and mouldy silicone soon shows.

Questions to ask before you book

  • Which product they’ll use, and why it suits the joint
  • Can the work be phased to keep areas open?
  • What level of public liability insurance do they hold?
  • Their approach to joint depth and backing

Questions to ask before you appoint anyone

When it isn’t the sealant

We seal joints; we don’t mend everything behind them. Sealant alone won’t deal with:

  • Leaking pipes, traps, wastes or cisterns, which need a plumber
  • A room that stays damp because ventilation isn’t working
  • Hollow tiles or loose panels behind the joint

Not sure which it is? You can phone 01277 525 020 or email the details over and we’ll tell you honestly before you book.

Joints and surfaces we work on

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

Questions about Locksgreen

Must every washroom in our Locksgreen building shut while you work?

Rarely all at once: work is phased so some facilities are always available. Each area is handed back once the sealant has cured enough to use.

Can you take on a job at a hospital such as St Mary's Hospital?

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

How many days will you need on site?

That varies with the scale of the job, but the work normally takes a few hours for one toilet block, with bigger buildings phased across a number of visits. Larger or phased jobs take longer, and we’ll give you a timescale with the quote.

Can you follow the specification on our project?

Yes. Send it with your enquiry, and we’ll price the work to it, flagging anything that needs clarifying.

How do you choose the sealant?

The specification comes first, if there is one. Without one, the joint decides: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.

How do you deal with asbestos in old sealant?

Asbestos is possible in some older mastics, particularly in buildings from before 2000. We check the asbestos register before cutting out old sealant in an older building, and if asbestos is suspected, work stops until it’s tested. We don’t remove asbestos-containing materials.

Is it OK to put new silicone on top of the old?

We strip every bit of the failed bead and wipe away the residue before resealing. It’s the difference between a joint that lasts and one that peels.

Building owners, agents and FMs in Locksgreen

Housing associations and managing agents often need work done across blocks and communal areas. Work can be phased so residents and staff keep access throughout, and each stage is agreed with your contact.

Planned maintenance programmes are welcome: working through a building or an estate in stages that fit your budget. Locksgreen can form part of a wider programme.

Accreditations

Trusted. Accredited. Insured.