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

Commercial washroom and wet-area sealing in Frostlane, Hampshire

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

  • Shower tray joints that have opened up
  • Black mould inside silicone joints that cleaning can’t shift
  • Gaps where vanity tops meet the wall
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
CHAS accredited
£5m PL insurance

Washroom sealing in Frostlane

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

Leave it or put it right?

A failed joint behind a basin or along a shower tray lets water run where it shouldn’t. In a commercial building that can mean damaged boards, stained ceilings on the floor below and odours which costs more to fix than a reseal. Converted and older buildings near places like Frostlane tend to move, and aged sealant cracks. A sealant with the right movement capability, correctly sized, lasts far better.

Whether it’s a single area or a whole estate, the same things set the price: scope, access, product and programme. Call for a quote, and you will have a fixed figure to work with.

Why clients in Frostlane choose us

  • A Constructionline member, so easy to vet
  • Colour options checked against the specified product
  • 12-month guarantee on workmanship
  • Products installed to the manufacturer’s instructions

Take a look at how commercial sealant jobs are priced and our accreditations.

Washroom sealing in Frostlane, done properly

Not every silicone belongs in a washroom. Sanitary grades carry anti-mould additives, and neutral-cure types are used where acetoxy silicone could attack some metals, stone or mirror backings. In food areas, hygienic or food-safe sealants are used where food contact is possible. We work on urinals and WCs, kitchens and tea points and IPS panels and cubicles, and the failures we’re asked to look at most are a new bead over an old one coming away and shower tray joints that have opened up. Facilities teams, main contractors and managing agents in Frostlane tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.

Halls and community buildings near places like Frostlane are used by different groups through the week, and their toilets and kitchens show it. Resealing sinks, worktops and WCs with anti-mould silicone keeps them clean and watertight.

What our 12-month guarantee covers is the way we did the job: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

Mastic Doctor team members lined up next to their branded vans outside an office building
Place
Frostlane (SO45)
Wider area
Hampshire
Cover
12 months on every job
Quote
Quoted before any work starts
Phone
01277 525 020
Last updated
3 November 2026

Wet areas in Frostlane’s workplaces

Frostlane sits close to the coast, within about 1 mile, and seaside hospitality usually has a peak season that works washrooms hard. Bathrooms turned round daily in the busy months need sound, cleanable joints, which is why off-season resealing makes sense.

Staff changing rooms and patient toilets at places like Hythe Hospital (0.6 miles north-west of Frostlane) need cleanable, sound silicone. Colleges such as Totton College Waterside Centre (to the west of Frostlane) have toilets, changing rooms and catering kitchens that can be resealed around term dates.

Frostlane is about 1 mile south-east of Hythe, in Hampshire. Looking for washroom sealing in Frostlane? We can help. Across Hampshire, 723 places are covered, Frostlane among them.

Work on washrooms and wet areas is covered throughout SO45. If your building is just outside Frostlane, we cover Hardley (1 mile south), Little Holbury (2 miles south), Holbury (2 miles south), Weston (2 miles north) and Roughdown (2 miles south). A short drive away, we cover Winchester (14 miles north), Gosport (11 miles east), Eastleigh (8 miles north), Fareham (8 miles east), Totton (7 miles north-west) and Chandler's Ford (9 miles north).

What’s near Frostlane

Recent enquiries here include premises near Noadswood School, among other places. The closest station to Frostlane is Netley station, roughly 2.5 miles north-east of the centre. Other landmarks nearby include Royal South Hants Hospital (4 miles north) and Netley Castle (2 miles north-east). The countryside around Frostlane includes Mercury Marshes.

Map of Frostlane © OpenStreetMap contributors

FAQs: Frostlane

Can you take on a job at a hospital such as Hythe Hospital?

Yes, healthcare and care buildings are part of our work. The estates team’s permit system and infection-control rules come first, and the work is planned around them.

Is a smaller place like Frostlane outside your area?

No. Small places get the same service as large ones. Our area covers London and the South East counties. Good photos up front let us bring everything on the first visit.

Can you handle several sites?

Yes. We take on portfolio and planned maintenance work, planned site by site to suit how each building is used.

Does weather matter for sealant work?

Outside, 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. Internal work is rarely affected.

What’s the quickest route to a quote?

The quote form is the simplest route, though you can also phone 01277 525 020 or use the quote form. Include photographs or drawings if you have them.

What sealant do you use in washrooms?

An anti-mould sanitary silicone in most cases. Neutral-cure grades are used where acetoxy types could mark metals, stone or mirror backings.

Do you need to remove the old sealant?

The failed bead is always removed. Fresh silicone can’t key to an old bead, so sealing over it soon peels.

Should maintenance staff do it?

Some joints are best left to specialists: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.

There’s also the paperwork. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we’ll confirm the paperwork you need with the quote.

Our process

Inspect, seal, sign off: that’s the shape of every visit. We inspect the joints and confirm what’s in scope, then the work is carried out to the specified product and detail, and the job ends with a walk round and sign-off. Smaller jobs around Frostlane can be grouped with others nearby, which keeps travel down. A fixed quote is given before anything starts.

  1. Every room is surveyed and the failed joints listed.
  2. The fixed quote sets out the rooms, the products and the phasing.
  3. Old sealant is removed completely and the faces cleaned.
  4. Each joint is cleaned and left dry.
  5. New anti-mould sealant goes in and is tooled neat.
  6. Each area is handed back when ready.

Preparing the site

  • Warn occupants and staff about the work
  • Point out any areas we must not close
  • For older buildings, check the asbestos register before work

Quotes

A handful of photographs and a postcode is the fastest way to a quote. Upload them with the quote form, or call the office on 01277 525 020 or send photos by email to discuss it first.

Ask for a quote

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Signs you need washroom sealing in Frostlane

A lot of failed washroom sealant was laid over an old bead or a dirty surface. New silicone won’t grip the old so it peels away quickly.

Clients typically get in touch after noticing something like this:

  • Stained or open joints at kitchen sinks and worktops
  • Complaints from staff, guests or users about tired washrooms
  • Resealing that didn’t last because the old bead stayed
  • Failed sealant behind washroom basins

For a campus such as Southampton Solent University, which lies north of Frostlane, showers in residences and washrooms in teaching blocks can be programmed around term dates.

Comparing quotes

  • Their public liability cover
  • How joint depth will be controlled
  • Health and safety accreditation such as CHAS
  • How long is the guarantee, and what does it include?

Our contractor checklist

After the work

A few simple habits keep the new joints working:

  • Report faulty extraction promptly
  • Tell us about infection-control or permit rules before we quote
  • Don’t leave an open joint at a basin or tray
  • Photograph and log failed joints across the estate

Include sealant joints in your planned maintenance checks. Check for mould spots, splits, lifting edges and open joints at trays, basins and urinals and photograph anything new.

A few failed joints can be resealed with hardly any disruption. Left until every washroom is affected, it becomes a bigger programme and more closures to manage.

Building owners, agents and FMs in Frostlane

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

Main contractors use us as their sealant subcontractor, on new build and refurbishment alike. Programme, specification and site rules come first.

Accreditations

Trusted. Accredited. Insured.