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

Washroom Sealing in Fair Cross

Sealing in commercial washrooms, showers, kitchens and wet areas in Fair Cross and across Hampshire. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.

  • Resealing that didn’t last because the old bead stayed
  • Urinal joints that look unhygienic
  • Complaints from staff, guests or users about tired washrooms
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
Backed by a 12-month workmanship guarantee.
Covering the South East & Scotland
CHAS accredited
Fully insured: £5m PL

Washroom sealing across Fair Cross

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

When to bring in a specialist

The visible bead is only part of the job. Backing rod, primer where specified and a joint designed to move with the building are easy to get wrong without experience.

A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

How we handle washroom sealing in Fair Cross

For clinics, hospitals and care homes, sealed joints matter for infection control as much as appearance. Your estates and infection-control requirements, and any permits the site uses, shape how we work. Tell us what records you need and we will confirm with the quote. If you are dealing with stained or open joints at kitchen sinks and worktops and panel joints letting water behind, we can put it right, whatever the surface. Searching for sealant specialists in Fair Cross? Mastic Doctor has worked for contractors, FMs and building owners since 2005.

Smaller places such as Fair Cross still have commercial washrooms and kitchens: in halls, pubs, schools, care homes and farm-based businesses. Mould gets into sealant in any washroom that doesn’t dry out, and once it’s in, the sealant is replaced.

Building owners and contractors get the same cover: a 12-month guarantee on our workmanship. Faults in the structure, damage and other trades’ work fall outside it, and we say so plainly.

The Mastic Doctor team standing beside their branded vans outside an office building
Place
Fair Cross (RG7)
Wider area
Hampshire
Guarantee
12 months on every job
Quote
Fixed quote, scope in writing
Phone
01277 525 020
Updated
3 November 2026

Different surfaces, different methods

Healthcare and care settings

Healthcare work is phased so wards, clinics or residents’ areas keep their facilities. Tell us what records you need and we will confirm with the quote.

Basins and vanity tops

Vanity tops and basins are splashed all day, so the wall joint and bowl surrounds tend to fail before anything else. They are resealed with anti-mould sanitary silicone.

Sanitary sealant for Fair Cross buildings

Central London is about 40 miles from Fair Cross. Business park offices have washrooms in daily use by staff, and resealing in phases keeps facilities available.

Office washrooms on sites such as Riseley Business Park, 1.7 miles to the east of Fair Cross, are in use all working day, so resealing is phased to keep some open. Where you are responsible for a hall attached to a building such as Church of St. Mary the Virgin, its kitchen and toilets need sealant that stays cleanable.

Fair Cross is about 6 miles east of Tadley, in Hampshire. Fair Cross sits inside our coverage, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Our Hampshire coverage takes in 723 places, large and small. There’s a separate page for Reading, roughly 6 miles from Fair Cross.

Commercial sites across RG7 are covered for washrooms and wet areas. If your building is just outside Fair Cross, we cover Stratfield Saye (1 mile south-west), West End Green (2 miles west), Stratfield Mortimer (2 miles north-west), Spanish Green (2 miles south) and Wokefield (3 miles north-west). Nearby towns on our patch include Basingstoke (8 miles south-west), Farnborough (11 miles south-east), Fleet (9 miles south-east), Aldershot (13 miles south-east), Alton (15 miles south) and Yateley (7 miles east).

Local landmarks in Fair Cross

The nearest railway station is Mortimer station, roughly 1.7 miles north-west of the centre. Well-known places in the area include Beaumys Castle (1.5 miles north-east). The countryside around Fair Cross includes The Marshes Local Nature Reserve and Longwater.

Map of Fair Cross © OpenStreetMap contributors

On site: what to expect

We schedule the visit to fit the site hours and access windows you give us. While we’re working, the area stays contained and tidy, and your contact hears from us before we move to the next area. For work around Fair Cross, we aim to finish in one visit, so photos and measurements up front really help. That way the right products come on the day.

  1. We inspect each washroom and record the joints to be resealed.
  2. You get a fixed quote with the phasing plan.
  3. The whole of the old bead is removed.
  4. Each joint is cleaned and left dry.
  5. A sanitary silicone bead is laid and given a smooth tooled finish.
  6. Each area is handed back when ready.

Before we start on site

  • Agree which areas must stay open
  • Warn occupants and staff about the work
  • Share the asbestos register for older buildings

Get a fixed quote

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 email us to discuss it first.

Get a quick quote

Advice

Why deal with it now?

Leaving the job until a shutdown often means living with it for months. With phasing, the work can go ahead while most facilities stay open. Around Fair Cross, it’s better to renew all the failing joints at once. Send photographs of each area and we will quote for the lot.

The product called for affects the cost, as does the preparation each joint needs. Access, phasing and site rules also count.

Why appoint us

  • Fully insured, including public liability cover
  • Colour agreed before work starts
  • Fixed quotes based on photographs, drawings or a visit
  • One phone line for London, the South East and Scotland

See what affects the cost or how we’re accredited.

Common questions from Fair Cross clients

What site paperwork comes with a job in Fair Cross?

We will confirm the paperwork you need, such as RAMS, our insurance certificate and CSCS details, with the quote. Our applicators are CSCS-carded, and we carry £5m public liability insurance.

Is a smaller place like Fair Cross outside your area?

Not at all. Fair Cross is within our area. We work across Greater London and the South East. Good photographs up front let us bring everything on the first visit.

Do you phase washroom resealing?

The work is phased so there are always facilities open. We work through the building a room or section at a time. Tell us your site hours and access windows and we will plan around them.

Can you follow the specification on our project?

Yes. The specification and the manufacturer’s installation guidance are what we work to.

Is it possible to just clean mouldy silicone?

Surface cleaning won’t reach mould that has rooted into the bead. New anti-mould sanitary silicone is the treatment and point out if ventilation is part of the problem.

Are you fully insured?

Yes. Mastic Doctor is fully insured, public liability included.

How long does a job like this take?

It depends on the scope, though a typical visit normally takes a few hours for one toilet block, with bigger buildings phased across a number of visits. For bigger or phased jobs, we’ll set out a timescale with the quote.

How the quote is worked out

These are the things that shape the price:

  • Specialist products, such as fire-rated or hygienic sealants
  • Joint width, depth and condition
  • Access and working height
  • Working within restricted access windows

What a job costs comes down to the quantity of joints, what has to come out first and the access. Call for a fixed quote once you have the details.

Sending details for a quote

Good information means a firmer quote. Helpful details to send:

  • Your programme or deadline
  • How the joints are reached, and at what height
  • Whether the building will be occupied during the work
  • The site address and postcode

To get a fixed quote, phone 01277 525 020 or email drawings and photos. Our quote form is another easy route.

Maintenance after handover

After handover, these steps help:

  • Respect the cure time before reopening each room
  • Inspect washroom sealant regularly
  • Note failing joints building by building
  • Make sure washroom ventilation is running

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.

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

Accreditations

Trusted. Accredited. Insured.