Commercial washroom and wet-area sealing in Holloway, Windsor and Maidenhead
We carry out sealing in commercial washrooms, showers, kitchens and wet areas in Holloway and the surrounding area. Send details for a fixed quote.
- Panel joints letting water behind
- Stained or open joints at kitchen sinks and worktops
- Mould spotting along silicone joints
Washroom sealing across Holloway
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
How the job changes by surface
Healthcare and care settings
Assisted bathrooms and accessible toilets get heavy use so their sealant tends to fail sooner.
Urinals and WC pans
Urinal backs, troughs and slab joints are resealed with sanitary silicone once the whole of the old bead has gone.
Washroom sealing for commercial buildings in Holloway
Accessible toilets, shower rooms and changing rooms have joints that work harder than most: wet-floor edges, tray perimeters, basin tops and the line where flooring meets the wall. An open joint there lets water track under flooring or behind wall panels, so we look at them closely. The enquiries we see most involve urinal joints that look unhygienic and complaints from staff, guests or users about tired washrooms, on kitchens and tea points, urinals and WCs and vanity units and basins. Looking for mastic applicators who cover Holloway? Mastic Doctor has worked for contractors, FMs and building owners since 2005, CHAS accredited and a Constructionline member.
Community buildings around smaller places like Holloway have kitchens and toilets used by many people. Resealing sinks, worktops and WCs with anti-mould silicone keeps them clean and watertight.
A 12-month guarantee applies to all our work in Windsor and Maidenhead. Should something we installed fail, call the office on 01277 525 020 or email a schedule or drawings and we’ll come back to it.
- Location
- Holloway (SL6)
- Region
- Windsor and Maidenhead
- Cover
- 12 months on every job
- Price
- A fixed quote before we start
- Phone
- 01277 525 020
- Updated
- 3 November 2026
Do you need washroom sealing in Holloway?
Washrooms are warm, damp and full of organic residue, and silicone joints hold onto all three. Anti-mould additives help, but in a poorly ventilated room mould can still take hold eventually.
If one of these sounds familiar, it’s time for a closer look:
- Shower tray joints that have opened up
- Mould spotting along silicone joints
- Users noticing mouldy joints
- Stained sealant around pans and urinals
Staff changing rooms and patient toilets at places like St Mark's Hospital (to the east of Holloway) need cleanable, sound silicone.
Questions to ask before you book
- Whether primer will be used where the manufacturer specifies it
- How the existing material will be dealt with
- What site paperwork they can supply
- Health and safety accreditation such as CHAS
General trades versus a specialist
For most general trades, sealant is a sideline. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.
A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.
Why act early in Holloway
A failed joint behind a basin or along a shower tray lets water run where it shouldn’t. In a commercial building that can mean damaged boards, stained ceilings on the floor below and odours which costs more to fix than a reseal. Around Holloway, it’s better to renew all the failing joints at once, rather than one at a time. Photos of every joint help us quote for the whole job.
The price depends on the quantity of joints, what has to come out first and the access. Call for a quote when you’re ready.
What you get with us
- Specification-led, product-correct work
- Our applicators hold CSCS cards
- CHAS accredited contractor
- Fully insured, including public liability cover
Read what affects the cost and our accreditations and insurance.
Keeping Holloway washrooms open while we work
Central London is about 30 miles from Holloway, in a commuter belt where offices and business parks are common. Business park offices have washrooms in daily use by staff, which is why the work is phased.
For buildings on a site such as Maidenhead Business Park, 1.1 miles to the south of Holloway, washrooms and tea points can be resealed in phases through the working week. Toilets at places like Cliveden View Shopping Centre, 2.7 miles to the north-east of Holloway, are cleaned constantly, so silicone needs to be sound and smooth.
Holloway is about 2 miles west of Maidenhead, in Windsor and Maidenhead. We cover Holloway, with the same fixed quotes and 12-month guarantee as everywhere else. Holloway is one of 60 places we cover in Windsor and Maidenhead. Reading is covered too, some 10 miles away.
Commercial sites across SL6 are covered. Streets here include Burchetts Green Lane and Bath Road. Close to Holloway, our area also takes in Littlewick Green (1 mile south-west), Burchett's Green (1 mile north-west), Woolley Green (1 mile south-east), Stubbings (1 mile north-east) and Pinkneys Green (1 mile north-east). Nearby towns on our patch include Windsor (7 miles south-east), Cookham (4 miles north-east), Dedworth (7 miles south-east), Broomhall (11 miles south-east), South Ascot (10 miles south-east) and Datchet (9 miles east).
Around Holloway
We work on buildings around The Shire Horse pub, Newlands Girls' School and Manor Green School and the streets around them. The closest station to Holloway is Furze Platt station, roughly 2.7 miles north-east of the centre. A little further out are St Mark's Hospital (1.8 miles east) and Marlow Museum (3.5 miles north). For a walk, there’s Taplow Lake and Weycock Hill.
Holloway: questions and answers
Could you schedule work at a campus like Berkshire College of Agriculture for the vacation?
Yes. Education sites typically want the work in vacations or in phases during term, and we plan to suit. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.
Would you work within a site like St Mark's Hospital?
Yes, healthcare and care buildings are part of our work. Work is phased so departments keep running, under the site’s own rules.
Is it possible to just clean mouldy silicone?
Cleaning may lighten it, but the mould returns. New anti-mould sanitary silicone is the treatment and check the ventilation isn’t the cause.
Can you follow the specification on our project?
Yes. We follow the specification, along with the manufacturer’s installation guidance, and we raise anything unclear before work begins.
Can washrooms stay open while you work?
The work is phased so users always have somewhere to go. 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 reseal washrooms in healthcare buildings?
Yes, healthcare and care settings are part of our work. Tell us what records you need and we’ll confirm with the quote before we start.
Is it OK to put new silicone on top of the old?
We strip every bit of the failed bead and wipe away the residue first. It’s the difference between a joint that lasts and one that peels.
Our process
We schedule the visit to fit the site hours and access windows you give us. On the day, the work area is kept contained and tidy, and your contact hears from us before we move to the next area. For work around Holloway, we aim to finish in one visit, so we ask for photographs and rough sizes first. That way the right products come on the day.
- We survey each room, count the joints and note anything behind them that needs another trade.
- A phasing plan keeps part of the building’s facilities in use at all times.
- Failed silicone is removed completely and the surfaces cleaned of every trace.
- Each joint is degreased and left dry, because silicone won’t bond to damp or soapy surfaces.
- A bead of anti-mould sanitary silicone goes in and is tooled to a smooth, cleanable profile.
- Each room is handed back once the sealant has had its cure time.
Getting the site ready
- Send any specification or drawings in advance
- Warn occupants and staff about the work
- Make sure the joints can be reached
Quotes
If there’s a specification, drawings or a tender package, send it with your enquiry, and we’ll price against exactly what is specified. For smaller jobs, photos and a description will do.
Read more
Towns and villages near Holloway
What else we do in Holloway
Maintenance after handover
Once the work is signed off, a little attention goes a long way:
- Brief cleaning staff to treat joints gently
- Photograph and log failed joints across the estate
- Respect the cure time before reopening each room
- Don’t leave an open joint at a basin or tray
Squeegeeing showers and trays after heavy use helps. Standing water on a joint all day shortens its life.
Water getting behind IPS panels and vanity units can swell the boards. Once that happens, a reseal won’t fix them.