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

Washroom Sealing in Monk Sherborne

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

  • Open joints along basins and vanity units
  • Users noticing mouldy joints
  • Stained or open joints at kitchen sinks and worktops
1
Send details
Tell us about the site, with photos if you have them.
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
Signed off, with 12 months’ guarantee.
Covering the South East & Scotland
Constructionline member
£5m PL insurance

Washroom sealing near Monk Sherborne

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

How we handle washroom sealing in Monk Sherborne

From one staff toilet in Monk Sherborne to washrooms across a whole estate, the route is the same: details first, then a fixed quote, then the work, then the 12-month guarantee. Photos and a rough count of basins, urinals, showers and cubicles help us give a quick quote and a site visit is an option. We work on urinals and WCs, accessible toilets and changing rooms and IPS panels and cubicles, and what we’re called in for most is open joints at the base of cubicle panels and urinal joints that look unhygienic. A specialist sealant contractor works differently from a general builder: on jobs in Monk Sherborne, preparation and product choice get the time they need.

In and around smaller places like Monk Sherborne, 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.

What our 12-month guarantee covers is the way we did the job: the preparation, the sealing and the tooling. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Monk Sherborne (RG26)
Region
Hampshire
Cover
A 12-month guarantee
Quotes
Fixed quote, scope in writing
Telephone
01277 525 020
Page updated
3 November 2026

What we can’t put right

A few problems need another trade or a different fix, and we point that out rather than sealing over them:

  • Water from plumbing, not from a joint
  • Leaks through tanking or membranes below the finishes
  • Panel boards already damaged by water

If you’re not sure, just give us a call on 01277 525 020 or email drawings and photos and we will give you a straight answer before you book.

Joints and surfaces we work on

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

How a job runs

Site rules come first: signing in, inductions and any permit to work. Once we are cleared to begin, the joints are worked through in the order agreed with your site contact. If others near Monk Sherborne need work, visits can be combined. You will have a fixed quote before work starts.

  1. We inspect each washroom and record the joints to be resealed.
  2. The fixed quote sets out the rooms, the products and the phasing.
  3. Old sealant is removed completely and the faces cleaned.
  4. Joints are degreased and dried.
  5. A sanitary silicone bead is laid and given a smooth tooled finish.
  6. Each area is handed back when ready.

Preparing the site

  • Point out parking and an unloading spot
  • Make sure the joints can be reached
  • Send any specification or drawings in advance

Get a fixed quote

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

Get a price

Advice

Maintenance after handover

Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. We suggest:

  • Keep extract fans working and vents clear
  • Brief cleaning staff to treat joints gently
  • Respect the cure time before reopening each room
  • Squeegee showers and trays after busy periods

Add washroom sealant to routine inspections. Check for mould spots, splits, lifting edges and open joints at trays, basins and urinals and log what you find.

Boards behind panels and vanity tops can swell when water gets past a failed joint. Once that happens, a reseal won’t fix them.

Commercial washrooms in Monk Sherborne

Monk Sherborne lies roughly 46 miles out from central London, in a commuter belt where offices and business parks are common. Office toilets in the commuter belt are in use from first arrivals to last departures, which is why the work is phased.

Pupil toilets at schools like The Priory Primary School take heavy daily use, and the holidays give the window to reseal. Where you’re responsible for a hall attached to a building such as Church of All Saints, its kitchen and toilets need sealant that stays cleanable.

Monk Sherborne is about 3 miles north of Basingstoke, in Hampshire. Across the RG26 postcode area, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. Monk Sherborne is one of 723 places in Hampshire on our list. For work in that direction, see our Reading page (12 miles or so).

Commercial sites across RG26 are covered. Buildings on The Close, Ramsdell Road and Salters Heath Road are within our area. Just outside Monk Sherborne, we also work in Salters Heath (1 mile north-east), Charter Alley (1 mile north-west), Pamber End (1 mile north), Ramsdell (1 mile north-west) and West Heath (2 miles north-west). Further afield, our area takes in Basingstoke (3 miles south), Fleet (13 miles east), Alton (13 miles south-east), Yateley (13 miles east), Tadley (3 miles north) and Hook (7 miles east).

Landmarks near Monk Sherborne

Locally, jobs take us to sites close to Everest Community Academy and the streets around them. The closest station to Monk Sherborne is Basingstoke station, about 3.1 miles south-east of the centre. A little further out are Park Prewett Hospital (1.8 miles south) and Basing House (4.1 miles south-east). Open spaces near Monk Sherborne include Daneshill Park Woods.

Map of Monk Sherborne © OpenStreetMap contributors

What sets the cost

We price every job individually. The things that drive the figure:

  • The site’s rules and procedures
  • Location, for remote and island sites
  • How much there is to seal
  • Removal of failed or old sealant

Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well, along with the time of year for external work.

Sending details for a quote

We can often quote from photographs and a few details. Please tell us:

  • The asbestos register, for older buildings
  • Rough lengths or quantities, or drawings if you have them
  • Any specification or named product
  • The type of building and who uses it

Need a figure for a tender or a budget? We will quote against your scope and drawings that you can work with. For a chat about it beforehand, phone 01277 525 020 or email drawings and photos.

How the job changes by surface

Changing rooms and gyms

Gym and leisure changing rooms see showers running most of the day so sealant there works very hard. Anti-mould sanitary silicone is the standard choice.

IPS and cubicle panels

A panel that has already swollen won’t be fixed by sealant, and any we come across will be pointed out.

Signs you need washroom sealing in Monk Sherborne

Mop buckets, trolleys and knocks from users damage joints near the floor, especially at floor edges and around urinals and WC pans.

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

  • Resealing that didn’t last because the old bead stayed
  • Open joints along basins and vanity units
  • Urinal joints that look unhygienic
  • Panel joints letting water behind

Office washrooms on sites such as Berry Court Business Park (1.7 miles north-east of Monk Sherborne) are in use all working day, so resealing is phased to keep some open.

Before you book anyone

  • Are they CHAS accredited or on Constructionline?
  • Who will actually carry out the work
  • How joint depth will be controlled
  • Can the work be phased to keep areas open?

Our contractor checklist

Common questions from Monk Sherborne clients

Will the toilets in our Monk Sherborne building be out of use?

Normally only some of them, for a short time. We work in phases so other facilities stay open. Each area is handed back once the sealant has cured enough to use.

Is a smaller place like Monk Sherborne outside your area?

Not at all. Monk Sherborne is within our area. Our area covers London and the South East counties. Send photographs and a list of what needs doing, and we’ll plan the job to need as few trips as possible.

What will the job cost?

That depends on the job: the volume of work, the access, the specified product and how it’s phased. Call for a fixed quote and we will price it properly.

Do you have public liability insurance?

Yes. Our insurance certificate can be sent alongside the quote.

Do you hold CHAS accreditation?

Yes. CHAS accredited, Constructionline member, and our applicators hold CSCS cards.

How soon can a washroom be used after resealing?

Each sealant has a cure time before it should get wet. We plan the phasing around that so there are always rooms open.

Do you guarantee washroom sealing?

Our workmanship has a 12-month guarantee, and we carry public liability insurance.

Accreditations

Trusted. Accredited. Insured.