
Commercial washroom and wet-area sealing in Hornsey, Greater London
Sealing in commercial washrooms, showers, kitchens and wet areas in Hornsey. CHAS accredited and fully insured, with a 12-month guarantee.
- Users noticing mouldy joints
- Sealant laid over old silicone and now peeling
- Shower tray joints that have opened up
Washroom sealing for Hornsey sites
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Washroom sealing in Hornsey
For clinics, hospitals and care homes, sealed joints matter for infection control as much as appearance. We work to your organisation’s estates and infection-control requirements and any site permits. Tell us what records you need and we will confirm with the quote. If you are dealing with failed joints along IPS and cubicle panels and gaps where vanity tops meet the wall, we can put it right. Whether you call it commercial sealant work, mastic application or joint sealing, in Hornsey it comes down to the same thing: failed joints cut out, faces prepared and the right sealant laid to the right depth.
Restaurants, cafés and hotel kitchens across London have joints at worktops, sinks and wall cladding that need to stay smooth and cleanable. Hygienic and anti-mould sanitary sealants are used where they suit, with food-safe products where food contact is possible.
We stand by our work: 12 months, guaranteed. That covers our preparation and application, and we come back if anything isn’t right.

- Location
- Hornsey (N8, N22)
- Region
- Greater London
- Cover
- 12 months on every job
- Quote
- Quoted before any work starts
- Call
- 01277 525 020
- Last updated
- 3 November 2026
Common questions from Hornsey clients
Can you work around term dates at a campus such as American University in London?
Yes. Education sites normally want the work in vacations or in phases during term, and we plan to suit. Tell us which site documents you need, such as RAMS, our insurance certificate or CSCS details, and they’re confirmed with the quote.
Do you take on work at healthcare sites like St Ann's Hospital?
Yes, hospitals are one of the sectors we cover. The estates team’s permit system and infection-control rules come first, and the work is planned around them.
Can you send site paperwork?
Each site asks for different documents, so list what you need, whether RAMS, insurance or CSCS details, and we’ll confirm with the quote.
Is old silicone taken out first?
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.
Can you follow the specification on our project?
Yes. We follow the specification, along with the manufacturer’s installation guidance.
When is resealing likely to be due?
There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular inspection is the best way to catch problems early.
Can you quote from photos?
It depends on the job. Straightforward work can often be priced from photographs and measurements, while larger or less clear jobs get a site visit first.
Surface by surface
Basins and vanity tops
A failed joint along a vanity unit lets water into the carcass. Prompt resealing keeps the unit sound.
Showers and trays
Shower joints in hotels, gyms and workplaces work hard. Every joint is stripped, degreased, dried and given a new bead.
What affects the price in Hornsey
To price the job, we consider:
- Location, for remote and island sites
- Specialist products, such as fire-rated or hygienic sealants
- The total length or number of joints
- Phasing around occupants
There’s no price list, because the scope varies so much from one building to the next. For a fixed figure, call for a quote.
What we need to price the job
Whether it’s one area or a whole building, these details speed things up:
- Access details, including height
- Rough lengths or quantities, or drawings if you have them
- Photos of the joints, close up and from further back
- Whether an asbestos survey exists
A handful of photos and a postcode is the fastest way to a quote. Send them through the quote form, or speak to us on 01277 525 020 or use the quote form to discuss it first.
Diagnose, treat, sign off
In a busy building, the work is phased so only one area is out of use at a time. Each section is protected, cleaned back and sealed, then handed back before the next one starts. All of Greater London is in the ULEZ, and kerbside space in Hornsey can be scarce. If there’s a loading bay, a car park or a permit we can use, tell us when you send details.
- We agree which washrooms close and when.
- Leaks, loose panels or damp are pointed out first.
- Failed sealant and residue are stripped out.
- The right sanitary or food-safe sealant is applied.
- We confirm reopening times for each washroom.
Before we start on site
- Let us know about inductions and permits
- Make sure the joints can be reached
- Share your working hours and any access restrictions
Ask for a quote
To get a fixed quote, ring 01277 525 020 or send photos by email. Our quote form is another easy route.
Advice
Signs you need washroom sealing in Hornsey
We often find acrylic caulk or general-purpose sealant in joints that should have sanitary silicone. They aren’t made for constant wetting, and they stain, crack or wash out.
These are often picked up first by site or facilities staff:
- Failed sealant in a tea point or staff kitchen
- Panel joints letting water behind
- Black mould inside silicone joints that cleaning can’t shift
- Failed sealant behind washroom basins
At a college such as St. Giles College, 1.2 miles south-west of Hornsey, washroom and kitchen sealant is best renewed in the holidays or in phases during term.
Comparing quotes
- Will RAMS and insurance details be available?
- Their pre-qualification and accreditations
- Whether their applicators hold CSCS cards
- Is the sealant right for the movement and the substrate?
Building owners, agents and FMs in Hornsey
We take on planned maintenance as well as one-off repairs: working through a building or an estate in stages that fit your budget. Sites in Hornsey can sit alongside others in a wider programme across Greater London.
Facilities managers want contractors who arrive with the paperwork sorted. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.
Sanitary sealant for Hornsey buildings
There are plenty of hotels within about 2 miles of Hornsey. Behind every hotel door there’s a bathroom whose sealant will need renewing sooner or later. Rooms are done in turn so most stay available. There are five care or nursing homes within about 2 miles of Hornsey. In care settings, wet rooms, assisted bathrooms and en suites rely on clean, sound sealant. Each room is kept out of use only as long as the sealant needs.
Toilets at places like Arena Shopping Park, 1.2 miles south-east of Hornsey, are cleaned constantly, which is hard on silicone. At a university such as American University in London, 1.9 miles to the south of Hornsey, summer is the usual window for resealing residence bathrooms.
Hornsey is about 3 miles east of Finchley, in Greater London. We send applicators to Hornsey for washrooms and wet areas, handled exactly as we handle every other area. Across Greater London, 764 places are covered, Hornsey among them. Our London page has more on work in that area.
Commercial sites across N8 and N22 are covered. If your site is on High Street, Brandon Place and Cross Lane or close by, we can quote for washrooms and wet areas. Close to Hornsey, our area also takes in Turnpike Lane (1 mile east), Crouch End (1 mile south-west), Stroud Green (1 mile south-east), Wood Green (1 mile north-east) and Noel Park (1 mile north-east). Nearby towns on our patch include London (6 miles south), City of Westminster (5 miles south), Marylebone (5 miles south), Kensington (7 miles south-west), St Pancras (4 miles south) and Shoreditch (5 miles south).
Around Hornsey
In Hornsey, that means premises near Great Northern Railway pub, Priory Park and Greek Secondary School of London, among other places. There’s a railway station in Hornsey itself: Hornsey station. Other landmarks nearby include Hornsey Central Hospital (0.7 miles west) and Broomfield House Museum (2 miles north). Not far away are Darland's Lake and Highgate Hill.
Places near Hornsey
Other services in Hornsey
After the work
After handover, a little attention goes a long way:
- Don’t leave trays and floors sitting wet
- Mention any site permits or estates rules at quote stage
- Avoid scourers and harsh descalers on silicone
- Inspect washroom sealant regularly
Any failure in our workmanship within the 12-month guarantee is ours to put right. After that, a routine look catches failing joints early.
Water getting behind IPS panels and vanity units can swell the boards. After that, those parts need replacing rather than resealing.