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

Washroom Sealing contractors in Downton

Sealing in commercial washrooms, showers, kitchens and wet areas in Downton. CHAS accredited and fully insured, with a 12-month guarantee.

  • Resealing that didn’t last because the old bead stayed
  • Discoloured joints around urinals and WC pans
  • Washrooms that look worn because of the sealant
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS accredited
£5m public liability

Washroom sealing near Downton

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

Washroom sealing for commercial buildings in Downton

Accessible toilets, shower rooms and changing rooms have joints that work harder than most: 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 we look at them closely. Most enquiries involve urinal joints that look unhygienic and users noticing mouldy joints, on accessible toilets and changing rooms, IPS panels and cubicles and kitchens and tea points. A specialist sealant contractor works differently from a general builder: on jobs in Downton, preparation and product choice get the time they need.

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

The 12-month guarantee is for workmanship rather than wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we are clear about what is covered before work starts.

Mastic Doctor team members lined up next to their branded vans outside an office building
Place
Downton (SO41)
Wider area
Hampshire
Guarantee
12 months on every job
Quote
Quoted before any work starts
Phone
01277 525 020
Updated
3 November 2026

Commercial washrooms in Downton

The sea is no more than about 1 mile from Downton, 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 we plan the work for quieter weeks where possible. Several hotels sit less than 2 miles from Downton. En suite bathrooms, staff changing rooms and kitchens all need their sanitary silicone renewed in time. Rooms are done in turn so most stay available.

For an occupier at a site such as Gore Road Industrial Estate, which lies west of Downton, the canteen and welfare facilities need cleanable joints as much as any office. At a hotel such as South Lawn Hotel, 1.3 miles to the east of Downton, the quieter weeks are the time to reseal bathrooms.

Downton is about 3 miles west of Lymington, in Hampshire. Our applicators travel to Downton for work on washrooms and wet areas, handled exactly as we handle every other area. Downton is one of 723 places in Hampshire on our list for washrooms and wet areas. Southampton is covered too, some 16 miles away.

If you need washroom sealing in SO41, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. If your site is on Hordle Lane and Shorefield Road or close by, we can quote for washrooms and wet areas. Nearby places we also cover include Leagreen (1 mile east), Hordle (1 mile north), Ashley (2 miles north-west), Barton on Sea (2 miles west) and New Milton (2 miles north-west). Further afield, our area takes in Totton (13 miles north), Lymington (3 miles east), Hythe (13 miles north-east), Ringwood (10 miles north-west), Dibden Purlieu (12 miles north-east) and Marchwood (13 miles north-east).

Near you in Downton

In Downton, that means premises near The Arnewood School, among other places. Downton’s nearest station is New Milton station, roughly 2 miles north-west of the centre. A little further out are Lymington New Forest Hospital (3.7 miles north-east) and Sammy Miller Motorcycle Museum (2.9 miles north-west). The countryside around Downton includes Milford on Sea LNR.

Map of Downton © OpenStreetMap contributors

Common questions from Downton clients

Will you work in a care home in Downton without moving residents out?

Yes, with the manager deciding the order and timing of rooms. Any site rules, from signing in to infection control, are agreed before we start.

Is Downton too small for you to travel to?

No. Places such as Downton are covered as much as the big towns. London and every South East county are within our area. Where we can, we group nearby jobs to make the most of each trip.

Do you offer coloured sealant?

That depends on the product specified. Some ranges offer many colours, others very few, so we will confirm the colours available for the specified product with the quote.

Is it possible to just clean mouldy silicone?

Not for long. Mould grows into the sealant itself, so it comes back however often it’s cleaned. Replacing the bead is the lasting answer.

Do you take on small jobs?

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

Do your applicators hold CSCS cards?

Yes. Should the site need card details in advance, let us know and we’ll send them with the quote.

How soon can the area be used again?

Curing time varies by product, and we confirm it on the day.

Owners, agents and contractors

FMs need a contractor who is easy to get on site. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm with the quote.

Hospitality, education, healthcare, office and retail clients book us directly too. The work is planned around how the building runs, so guests, pupils, patients or staff are disturbed as little as possible.

Our process

Site rules come first: signing in, inductions and any permit to work. With the paperwork done, the joints are worked through in the order agreed with your site contact. For work around Downton, we aim to finish in one visit, so we ask for photographs and rough sizes first. That way the right products come on the day.

  1. We survey each room, count the joints and note anything behind them that needs another trade.
  2. A phasing plan keeps part of the building’s facilities in use at all times.
  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.

Getting the site ready

  • Point out any areas we must not close
  • Send any specification or drawings in advance
  • For older buildings, check the asbestos register before work

Request a quote

Let us know the site, the scope and your timescale, and a fixed quote will follow. The easiest way is to phone 01277 525 020 or email us.

Get a price

Related advice

How the quote is worked out

Each job is priced on its own details. The things that drive the figure:

  • The site’s rules and procedures
  • The product specified
  • Travel to remote or island sites
  • The size and state of each joint

Cost follows what’s involved: stripping out, preparation, sealing, access and phasing. Call for a quote.

What we need to price the job

A few photos plus some basic facts will normally do. Please tell us:

  • Where the site is, with the postcode
  • The asbestos register, for older buildings
  • Rough lengths or quantities, or drawings if you have them
  • Photos of the joints, close up and from further back

Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Share whatever details you have and we will fill any gaps with a visit.

Keeping the joints sound

A few simple habits keep the new joints working:

  • Include joints in routine washroom inspections
  • Note failing joints building by building
  • Keep extract fans working and vents clear
  • Report split joints at trays and basins early

Include sealant joints in your planned maintenance checks. Check for mould spots, splits, lifting edges and open joints at trays, basins and urinals and log what you find.

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

When to bring in a specialist

Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we will confirm the paperwork you need with the quote.

Site maintenance staff can often handle a short internal joint. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

Signs you need washroom sealing in Downton

Warmth, moisture and soap residue are exactly what mould needs, and sealant joints trap all three. Even anti-mould grades can be colonised over time where extraction is poor.

Clients typically get in touch after noticing one or more of the following:

  • Split or peeling sealant at shower trays
  • Black mould inside silicone joints that cleaning can’t shift
  • Stained or open joints at kitchen sinks and worktops
  • Panel joints letting water behind

For a hall at a building such as Church of All Saints, resealing the kitchen and toilets can be fitted between bookings.

Comparing quotes

  • Who will actually carry out the work
  • How long is the guarantee, and what does it include?
  • Is the sealant right for the movement and the substrate?
  • Health and safety accreditation such as CHAS

Our contractor checklist

Accreditations

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