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

Washroom Sealing in Leckford

Washroom sealing for Leckford, from a contractor working since 2005. Fully insured and CHAS accredited.

  • Users noticing mouldy joints
  • Stained or open joints at kitchen sinks and worktops
  • Split or peeling sealant at shower trays
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
One fixed quote covering the agreed scope.
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 & Constructionline
Fully insured: £5m PL

Washroom sealing near Leckford

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

Washroom sealing in Leckford

Not every silicone belongs in a washroom. Sanitary silicone contains additives that resist mould, and neutral-cure types are used where acetoxy silicone could attack some metals, stone or mirror backings. Where food contact is possible, we use a hygienic, food-safe grade. If you have resealing that didn’t last because the old bead stayed and kitchen worktop joints that can’t be kept clean, we can help, whatever the surface. Searching for sealant specialists in Leckford? We have been sealing commercial buildings since 2005, with CSCS-carded applicators.

In and around smaller places like Leckford, washroom work is often in halls, pubs, primary schools, care homes and holiday accommodation. Mould gets into sealant in any washroom that doesn’t dry out, and once it’s in, the sealant is replaced.

Every job ends the same way: guaranteed. You get a 12-month guarantee on our workmanship, and we explain exactly what that covers when we quote.

The Mastic Doctor team beside their liveried vans in front of an office building
Place
Leckford (SO20)
Region
Hampshire
Guarantee
12 months on every job
Price
Fixed quote, scope in writing
Telephone
01277 525 020
Last updated
3 November 2026

What we are called out for in Leckford

Panels and vanity units move slightly in use, and shower trays shift under foot. If the joint wasn’t laid to take that movement, it tears or peels away.

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

  • Users noticing mouldy joints
  • Sealant lifting along a tray edge
  • Discoloured joints around urinals and WC pans
  • Sealant laid over old silicone and now peeling

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

Before you book anyone

  • How the existing material will be dealt with
  • What the guarantee covers, and for how long
  • How the joint faces will be prepared and primed
  • How they handle RAMS and site documents

How to choose a sealant contractor

What the job involves on each surface

Showers and trays

If a tray moves too much or is cracked, it needs attention first and we flag that beforehand.

Wet-room floors and floor-to-wall joints

Changing rooms and accessible showers often have wet floors so the edges are checked carefully.

Commercial washrooms in Leckford

Leckford lies roughly 64 miles out from central London, within the office belt around the capital. Office washrooms on business parks see heavy weekday use, and resealing in phases keeps facilities available. A 2-mile radius around Leckford takes in several hotels. Behind every hotel door there’s a bathroom whose sealant will need renewing sooner or later. Rooms are done in turn so most stay available.

At a school such as Test Valley School, changing rooms and kitchens need cleanable joints as much as the toilets. At a hospital like Andover War Memorial Hospital, 5.6 miles to the north of Leckford, patient and staff washrooms are best done in short phases agreed with the ward.

Leckford is about 5 miles south of Andover, in Hampshire. Any commercial site in Leckford is covered, whether it’s a single job or part of a planned programme. Leckford is one of 723 places we cover in Hampshire for washrooms and wet areas. There’s a separate page for Southampton, about 15 miles away.

If you need washroom sealing in SO20, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. If your building is just outside Leckford, we cover Longstock (1 mile west), Fullerton (1 mile north), Cottonworth (1 mile north), Chilbolton (2 miles north-east) and Stockbridge (2 miles south-west). Further afield, our area takes in Winchester (8 miles south-east), Eastleigh (13 miles south-east), Andover (5 miles north), Totton (15 miles south), Chandler's Ford (11 miles south) and Romsey (10 miles south).

Local landmarks in Leckford

In Leckford, that means premises near The Peat Spade Public House and Longstock Park and the streets around them. Other landmarks nearby include Andover War Memorial Hospital (5.6 miles north). Not far away are Mill Lake.

Map of Leckford © OpenStreetMap contributors

Building owners, agents and FMs in Leckford

Planned maintenance programmes are welcome: resealing failed joints building by building, on a schedule that suits your budget. Leckford can form part of a wider programme.

When you manage a building on behalf of an owner, clear figures and clear communication matter. You get a fixed quote, an agreed scope and a walk round at the end.

Your questions answered

Is a smaller place like Leckford outside your area?

Not at all. Leckford is within our area. We work across Greater London and the South East. Send photographs and a list of what needs doing, and we will plan the job to need as few trips as possible.

Can you work on a hospital site such as Andover War Memorial Hospital?

Yes, healthcare and care buildings are part of our work. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

How do you choose the sealant?

Where there’s a specification, we use the product it names. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

Will all the toilets be closed at once?

Only the area we’re working in is closed. Rooms go back into use once the sealant has cured and we start the next.

Will cleaning remove black mould from sealant?

Surface cleaning won’t reach mould that has rooted into the bead. We replace the sealant with an anti-mould sanitary grade and point out if ventilation is part of the problem.

Will you quote for a small job?

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

How do I request a quote?

It works in four steps: send details, get a quote, we seal, guaranteed. Step one needs little more than photographs and a postcode.

Aftercare for building managers

Keep the joints in good shape with a few simple steps:

  • Mention any site permits or estates rules at quote stage
  • Squeegee showers and trays after busy periods
  • Include joints in routine washroom inspections
  • Note failing joints building by building

Each room goes back into use only when the sealant has cured enough. You’ll be told when showers and basins can be used again, and it helps if signs stay up until then.

Leaks through tray and wet-floor joints can go unseen until a ceiling marks below. By then, other trades may be needed as well, so reseal when you first spot a split.

Our process

Site rules come first: signing in, inductions and any permit to work. Once we’re cleared to begin, we take the joints in the sequence agreed with you, and each area is checked before we leave it. For a building around Leckford, tell us how to find it and who will meet us. Add it to your enquiry and we will build it into the plan.

  1. We inspect each washroom and record the joints to be resealed.
  2. You get a fixed quote with the phasing plan.
  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.

Before we start on site

  • Explain the parking and delivery arrangements
  • Move anything stored against the joints
  • For older buildings, check the asbestos register before work

Get a fixed quote

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

Ask for a quote

Related advice

When it isn’t the sealant

Before quoting, we check that sealant is the right answer. It isn’t the answer for:

  • Hollow tiles or loose panels behind the joint
  • Condensation from failed extract fans
  • Water escaping beneath the floor rather than through a joint

If in doubt, give us a call on 01277 525 020 or send details through our quote form and we will say what we think.

Where we work in Leckford

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

Trusted. Accredited. Insured.