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

Medstead washroom sealing

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

  • A new bead over an old one coming away
  • Users noticing mouldy joints
  • Sealant stained black around basins and showers
1
Send details
Send the specification, photos or a marked-up plan.
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
Signed off, with 12 months’ guarantee.
Covering the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Washroom sealing across Medstead

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

Keeping the joints sound

Sealant joints are maintenance items, and their life depends on movement, exposure, cleaning and use. We suggest:

  • Clear standing water from shower floors where possible
  • Mention any site permits or estates rules at quote stage
  • Don’t leave an open joint at a basin or tray
  • Add sealant joints to planned maintenance checks

Ask your cleaning team to use gentle products and soft cloths on sealant. Strong acids, solvents and scourers wear the surface over time.

Inspectors look at whether kitchen surfaces can be kept clean. Resealing sinks, worktops and splashbacks before an inspection is a simple step.

Washroom sealing for commercial buildings in Medstead

In healthcare and care settings, sealing is part of keeping surfaces cleanable. Your estates and infection-control requirements, and any permits the site uses, shape how we work. Any records you need are confirmed with the quote. We work on accessible toilets and changing rooms, showers, trays and wet room floors and IPS panels and cubicles, and what we are called in for most is failed sealant in a tea point or staff kitchen and shower tray joints that have opened up. For commercial sealant work in Medstead, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.

Jobs in a smaller place such as Medstead are often one building: a school’s toilets, a café kitchen, a surgery’s washrooms. A list and photographs let us quote and plan so it’s done in one visit where possible.

Every job is signed off with a 12-month guarantee. The promise is simple: if the work we did fails within twelve months, we return to fix it.

The Mastic Doctor team standing beside their branded vans outside an office building
Location
Medstead (GU34)
Region
Hampshire
Guarantee
A 12-month guarantee
Quote
Quoted before any work starts
Call
01277 525 020
Last updated
3 November 2026

Our process

At the end of each section, we remove the tape, clean down and inspect every joint. Where the sealant needs time to cure before use, we tell you and sign the area. If neighbouring businesses or buildings around Medstead need work too, visits can be combined. Tell us your site hours and we’ll plan around them.

  1. We start by inspecting the fittings and joints and flagging problems sealant can’t solve.
  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. Each joint is degreased and left dry, because silicone won’t bond to damp or soapy surfaces.
  5. We lay a sanitary silicone bead and tool it smooth so it is easy to clean.
  6. You get a reopening time for every room, with signage left up until then.

Preparing the site

  • Tell us your opening times and when work is allowed
  • Send any specification or drawings in advance
  • Tell us which areas need to stay in use

Getting a fixed quote

To get a fixed quote, phone 01277 525 020 or email us, telling us the site location and the nature of the job. You can also send details through our quote form.

Get a quick quote

Advice

Busy facilities in and around Medstead

Central London is about 49 miles from Medstead, 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 Mansfield Business Park (to the south-east of Medstead) take steady weekday use, and mouldy silicone soon shows. For a hall at a building such as Church of the Good Shepherd, resealing the kitchen and toilets can be fitted between bookings. At a school such as Medstead Church of England Primary School, changing rooms and kitchens need cleanable joints as much as the toilets.

Medstead is about 4 miles south-west of Alton, in Hampshire. Our applicators travel to Medstead for work on washrooms and wet areas. We work across 723 places in Hampshire. For work in that direction, see our Southampton page, about 20 miles away.

Postcode districts covered here: GU34. Buildings on High Street, Five Ash Road and Stoney Lane are within our area for washrooms and wet areas. Close to Medstead, our area also takes in Four Marks (1 mile south), South Town (1 mile north-west), Soldridge (1 mile south-west), New Copse (1 mile north) and Hattingley (2 miles north-west). Bigger towns within reach include Basingstoke (10 miles north), Winchester (12 miles west), Fleet (14 miles north-east), Horndean (15 miles south), Alton (4 miles north-east) and Petersfield (9 miles south-east).

What’s near Medstead

For rail, the closest station is Alton station, roughly 4.4 miles north-east of the centre. Nearby you’ll also find Barton Castle (3 miles north-west) and Alton Community Hospital (3.1 miles north-east). The countryside around Medstead includes Red Hill.

Map of Medstead © OpenStreetMap contributors

What happens if it’s left?

When a washroom looks worn, a refit isn’t the only answer. Where tiles, panels and fittings are sound, new sealant may be enough to put it right for now. Small buildings around Medstead suffer from failed joints as much as large ones. Early resealing avoids the damage that follows a leak.

Cost follows what’s involved: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a fixed quote.

Why us?

  • One number for every site we cover
  • Specification-led, product-correct work
  • Old sealant cut out, never sealed over
  • Constructionline member

See our cost guide or our accreditations and insurance.

Medstead: questions and answers

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

Yes. Healthcare sites are among the places we work. Work is phased so departments keep running, under the site’s own rules.

Do we have to close all our washrooms in Medstead for resealing?

Not all at once. We take one block of facilities at a time. We’ll tell you the curing time for the product before we start.

What happens if old sealant might contain asbestos?

Managing asbestos is the dutyholder’s responsibility, so for older buildings we ask for the asbestos register first. Work pauses if suspect material is found, until it has been tested.

Does the weather affect the work?

For external joints, yes. The joint has to be dry and within the product’s temperature range, so frost, rain or cold mornings can delay outside work. Inside work is seldom held up.

Can you quote from photos?

That depends on the size and complexity of the job. Straightforward work can often be priced from photographs and measurements, and bigger or more complex jobs typically get a visit.

Will cleaning remove black mould from sealant?

Cleaning may lighten it, but the mould returns. New anti-mould sanitary silicone is the treatment and point out if ventilation is part of the problem.

How do you choose the sealant?

A specification, where there is one, decides it. If there isn’t one, it comes down to the joint: its movement, its surfaces and what it has to cope with.

Surface by surface

Changing rooms and gyms

Changing rooms in gyms and leisure centres stay wet and warm, so mould is a constant battle. Anti-mould sanitary silicone is the standard choice.

Showers and trays

In staff, hotel and changing-room showers, the tray joint and wall corners take the hardest use. Every joint is stripped, degreased, dried and given a new bead.

Quoting for work in Medstead

A fixed quote reflects the actual work. It allows for:

  • Distance, for remote addresses
  • Which sealant the job calls for
  • Access and working height
  • Removal of failed or old sealant

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’ll have a fixed figure to work with.

What to include in your enquiry

It doesn’t need to be a full survey. These details are enough to start:

  • Access details, including height
  • What the building is and how it’s used
  • Approximate linear metres or a joint schedule
  • The postcode of the building

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 send photos by email with what you know.

For managing agents and facilities managers

We take on planned maintenance as well as one-off repairs: working through a building or an estate in stages that fit your budget. Medstead can form part of a wider programme.

If you look after buildings for someone else, clear figures and clear communication matter. You get a fixed quote, an agreed scope and a walk round at the end.

Accreditations

Trusted. Accredited. Insured.