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

Washroom Sealing in Ash Green

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

  • Kitchen worktop joints that can’t be kept clean
  • Users noticing mouldy joints
  • Black mould inside silicone joints that cleaning can’t shift
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
Constructionline member
£5m PL insurance

Washroom sealing in Ash Green

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

How we handle washroom sealing in Ash Green

We reseal washrooms and wet areas in offices, hotels, schools, universities, gyms, healthcare buildings and care homes, along with staff kitchens and tea points. Product and method follow how hard each area is used and cleaned. Site teams most often ask us about failed sealant behind washroom basins and resealing that didn’t last because the old bead stayed, across IPS panels and cubicles, accessible toilets and changing rooms and vanity units and basins. One point of contact handles commercial sealant work in Ash Green from the first photographs to the final walk-round, for single jobs and planned programmes alike.

In and around smaller places like Ash Green, 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.

Our workmanship is guaranteed for 12 months. If a joint we sealed fails because of how it was installed, we come back and put it right.

The Mastic Doctor team standing beside their branded vans outside an office building
Place
Ash Green (GU12)
Region
Surrey
Cover
12 months on every job
Price
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026

For managing agents and facilities managers

For main contractors, we work as the sealant subcontractor, on new build and refurbishment alike. We work to your programme, your specification and your site rules, with CSCS-carded applicators on site.

Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, and each stage is agreed with your contact.

What the job involves on each surface

Wet-room floors and floor-to-wall joints

Changing rooms and accessible showers often have wet floors, so their perimeter joints get close attention.

Changing rooms and gyms

Changing rooms in gyms and leisure centres stay wet and warm so sealant there works very hard. We use anti-mould sanitary silicone throughout.

Toilets, showers and kitchens around Ash Green

At about 32 miles from central London, Ash Green is within reach of the capital. Office toilets in the commuter belt are in use from first arrivals to last departures, and resealing in phases keeps facilities available.

At a college such as Aldershot College, which lies west of Ash Green, washroom and kitchen sealant is best renewed in the holidays or in phases during term. Customer toilets in retail centres such as Westgate Shopping Centre (to the west of Ash Green) rarely close, so resealing is phased. For buildings on a site such as Belle Vue Enterprise Centre, which lies west of Ash Green, washrooms and tea points can be resealed in phases through the working week.

Ash Green is about 2 miles east of Aldershot, in Surrey. Businesses, contractors and managing agents in Ash Green can call on us for washrooms and wet areas, as part of our coverage of Surrey. Across Surrey, 379 places are covered, Ash Green among them. Reading is covered too, some 18 miles away.

If you need washroom sealing in GU12, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. Buildings on Compass Rose Road, Drovers Way and Ash Green Lane East are within our area. Close to Ash Green, our area also takes in Ash (1 mile west), Tongham (1 mile south-west), Seale (1 mile south), Ash Vale (2 miles north-west) and Sandy Cross (2 miles south-west). Bigger towns within reach include Guildford (6 miles east), Woking (8 miles north-east), Camberley (6 miles north), Farnham (4 miles south-west), Egham (15 miles north-east) and Frimley (5 miles north).

Near you in Ash Green

Around Ash Green, our work takes us to commercial buildings near The Dover Arms, The Connaught School and Ash Manor School, among other places. Ash Green’s nearest station is Ash station, about 0.6 miles north-west of the centre. Other landmarks nearby include Farnham Castle (4.4 miles west) and Guildford Hospital (4.2 miles east). Open spaces near Ash Green include Ash Ranges and Hog's Back.

Map of Ash Green © OpenStreetMap contributors

Questions we are asked in Ash Green

Is hospital work, at somewhere like Guildford Hospital, something you do?

Yes, provided the work is planned with the site’s estates team. The estates team’s permit system and infection-control rules come first, and the work is planned around them.

Is Ash Green off your patch?

No. Small places get the same service as large ones. We cover Greater London and the counties of the South East. We plan jobs in smaller places so return trips are kept to a minimum.

How long do sealant joints last?

It depends on movement, UV and weather, cleaning, traffic and the product. Sealant joints are maintenance items, so inspect them regularly.

Do you hold CHAS accreditation?

Yes. Mastic Doctor is CHAS accredited and a Constructionline member, which helps with supplier vetting.

Can you clean the mould off instead of resealing?

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.

What happens if old sealant might contain asbestos?

Asbestos is possible in some older mastics, particularly in buildings from before 2000. Before we disturb old sealant in an older building, we ask to see the asbestos register or survey, and if asbestos is suspected, work stops until it’s tested. Removing asbestos is a job for asbestos specialists, not us.

How long does a job like this take?

It depends on the scope, but the work normally takes half a day to a day per washroom, depending on the number of fittings. For bigger or phased jobs, we’ll set out a timescale with the quote.

How a job runs

A typical day starts with protection: tape along each joint edge and covers over finishes, stock and equipment close by. The work itself normally takes half a day to a day per washroom, depending on the number of fittings, and our waste is bagged and taken away as we go. Rural sites near Ash Green may need directions, gate codes or a contact on site. Send that with the details and we will confirm the plan with the quote.

  1. First, the phasing is agreed so facilities stay open.
  2. Anything behind the joints that needs another trade is flagged.
  3. Old sealant is stripped and the faces prepared.
  4. We reseal with the grade suited to each area.
  5. We confirm reopening times for each washroom.

Getting the site ready

  • Point out parking and an unloading spot
  • Make sure the joints can be reached
  • Send your site hours and access windows

Ask for a quote

If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price against exactly what is specified. For smaller jobs, photographs and a description will do.

Get a quick quote

Related advice

Quoting for work in Ash Green

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

  • Access and working height
  • How much there is to seal
  • Induction, permit and paperwork requirements
  • Specialist products, such as fire-rated or hygienic sealants

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

Before you send an enquiry

We can often quote from photos and a few details. It helps to include:

  • Any dates the work must fit around
  • Asbestos survey details if the building is older
  • Approximate linear metres or a joint schedule
  • How the joints are reached, and at what height

A good quote starts with a clear picture: what’s there, how much of it, how we reach it and what’s specified. Share whatever details you have and we’ll fill any gaps with a visit.

Why it’s worth doing now in Ash Green

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. For buildings around smaller places like Ash Green, water damage can go unnoticed for longer, especially where a building isn’t used daily, so a failed joint can leak for a while before anyone sees it. Renewing joints in good time avoids the problem.

The price depends on the quantity of joints, what has to come out first and how the joints are reached. Call for a fixed quote when you are ready.

What you get with us

  • Work to your specification and the manufacturer’s guidance
  • Work carried out by CSCS-carded applicators
  • Sealing commercial buildings since 2005
  • Fixed quotes based on photos, drawings or a visit

Take a look at what affects the cost and our accreditations and insurance.

Keeping the joints sound

Cleaning and maintenance staff play a part too. Pass these on to them:

  • Squeegee showers and trays after busy periods
  • Tell us about infection-control or permit rules before we quote
  • Respect the cure time before reopening each room
  • Report split joints at trays and basins early

Any failure in our workmanship within the 12-month guarantee is ours to put right. Beyond that, regular checks keep small problems small.

Mould in a joint spreads along the bead and into nearby grout and users notice. Dealing with it while it’s just the sealant keeps it simple.

Accreditations

Trusted. Accredited. Insured.