Commercial washroom and wet-area sealing in Northam, Southampton
Sealing in commercial washrooms, showers, kitchens and wet areas throughout Northam and nearby, by CSCS-carded applicators. Fully insured and CHAS accredited.
- Complaints from staff, guests or users about tired washrooms
- Failed sealant behind washroom basins
- Open joints at the base of cubicle panels
Washroom sealing in Northam
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Work for main contractors and building owners
If you look after buildings for someone else, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative.
Hotels, schools, healthcare sites, offices and retail units book us directly too. The work is planned around how the building runs, so the building keeps working while we do.
About our washroom sealing in Northam
In a commercial washroom, sealant is usually the first thing to wear out. Basin tops, urinal backs, panel joints and shower trays put it under water, chemicals and daily cleaning, and once mould grows into it, it can’t be scrubbed out. We strip it out and lay new anti-mould sanitary silicone. If you’re dealing with complaints from staff, guests or users about tired washrooms and split or peeling sealant at shower trays, we can help, whatever the surface. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, in Northam it comes down to the same thing: the right product in a properly prepared joint.
In a smaller place such as Northam, commercial washrooms tend to be in schools, pubs, cafés, surgeries, care homes and sports clubs. They don’t need a big crew, but they do need old sealant fully cut out before anti-mould silicone goes on.
Every job is signed off with a 12-month guarantee. The promise is simple: if our work fails within that year, we put it right.
- Place
- Northam (SO14, SO19, SO18)
- Wider area
- Southampton
- Guarantee
- 12 months on every job
- Quote
- Quoted before any work starts
- Call
- 01277 525 020
- Page updated
- 3 November 2026
Leave it or put it right?
Waiting for a holiday closure can leave failing joints in place for a long time. Phasing lets it happen now, with facilities kept in use. Over time, UV, weather and movement wear any sealant out. Replacing it before it fails keeps water out.
Whether it’s a single area or a whole estate, the same things set the price: scope, access, product and programme. Call for a quote, and you will have a fixed figure to work with.
Why appoint us
- 12-month guarantee on workmanship
- Joints cleaned back to sound surfaces
- Constructionline member for supplier checks
- Over 20 years of commercial sealing
Read what affects the cost and how we’re accredited.
Cost factors for washrooms and wet areas
We price every job individually. The things that drive the figure:
- Whether old sealant has to be cut out first
- The product specified
- Travel to remote or island sites
- Site requirements such as inductions and permits
The price depends on how many linear metres there are, how much old material needs removing and how the joints are reached. Call for a fixed quote once you have the details.
Before you send an enquiry
We can often quote from photos and a few details. It helps to include:
- Any specification or named product
- Clear photographs of the problem areas
- Any dates the work must fit around
- Where the site is, with the postcode
We quote a fixed sum against the scope you give us, so the cost is agreed before work starts. To start the process, call 01277 525 020 or email drawings and photos.
Also near Northam
More services for Northam
From enquiry to sign-off
Before any cutting starts, the area is protected: tape along each joint edge and covers over finishes, stock and equipment close by. The work itself typically takes a morning or so for a small washroom, longer where showers and changing rooms are included, and our waste is bagged and taken away as we go. For a job in Northam, the main thing is a clear picture of the work, so send photographs of each area. A fixed quote follows.
- Every room is surveyed and the failed joints listed.
- The fixed quote sets out the rooms, the products and the phasing.
- The whole of the old bead is removed.
- Each joint is cleaned and left dry.
- A sanitary silicone bead is laid and given a smooth tooled finish.
- Rooms reopen after the cure time.
What we need from you
- Point out any areas we must not close
- Have the specification and drawings to hand
- Share your working hours and any access restrictions
Quotes
A handful of photographs and a postcode is the fastest way to a quote. Send them through the quote form, or call the office on 01277 525 020 or use the quote form to discuss it first.
Read more
Questions we are asked in Northam
Do you take on work at healthcare sites like Royal South Hants Hospital?
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.
Will you plan work around the academic year at somewhere like Solent University?
Yes. Tell us the term dates, vacation periods and access windows, and we will plan the work around them. Let us know which documents your site asks for, and we’ll confirm them alongside the quote.
Are you insured?
Yes. We’re fully insured, and the certificate can go with your quote.
Is old silicone taken out first?
The failed bead is always removed. Fresh silicone can’t key to an old bead so a bead over the top fails quickly.
What will the job cost?
We don’t publish prices, because every site is different. With photos or drawings, we can give you a fixed quote.
Is it possible to just clean mouldy silicone?
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.
How long before the toilets can reopen?
Each sealant has a cure time before it should get wet. Phasing is planned with the cure time in mind so facilities are never short.
Keeping the joints sound
Keep the joints in good shape with a few simple steps:
- Include joints in routine washroom inspections
- Respect the cure time before reopening each room
- Squeegee showers and trays after busy periods
- Make sure washroom ventilation is running
Squeegeeing showers and trays after heavy use helps. Joints that sit wet for hours fail sooner.
Boards behind panels and vanity tops can swell when water gets past a failed joint. Once that happens, a reseal won’t fix them.
Keeping Northam washrooms open while we work
Northam lies within about 2 miles of the sea, and seaside hospitality typically has a peak season that works washrooms hard. Heavy seasonal use is hard on shower and basin sealant, so we plan the work for quieter weeks where possible. There are plenty of hotels within about 2 miles of Northam. Each has en suites, back-of-house toilets and kitchens with sealant that moulds and splits. Rooms are done in turn so most stay available.
Toilets at places like Marlands Shopping Centre (to the west of Northam) are cleaned constantly, so silicone needs to be sound and smooth. Colleges such as Southampton City College Marine Skills Centre (0.7 miles south of Northam) have toilets, changing rooms and catering kitchens that can be resealed around term dates. Office washrooms on sites such as Bitterne Business Centre, 0.5 miles to the north of Northam, are in use all working day, so resealing is phased to keep some open.
Northam is about 1 mile south-east of Southampton, in Southampton. We send applicators to Northam for washrooms and wet areas. 30 places across Southampton fall within our area, including Northam.
We cover the SO14, SO19 and SO18 postcode districts for washrooms and wet areas. We cover commercial and managed buildings on Sea Road, Lumpy Lane and Cross Road. Sites close to Northam are covered too, including Peartree Green (1 mile south), Bitterne Manor (1 mile north), Itchen (1 mile south-east), St Mary's (1 mile south-west) and Bitterne (1 mile east). Further afield, our area takes in Regents Park (3 miles west), Maybush (3 miles north-west), Coxford (3 miles north-west), Lordswood (3 miles north-west), Millbrook (3 miles west) and Redbridge (4 miles west).
Near you in Northam
Locally, jobs take us to sites close to Inspire Enterprise Academy, East Park and The Engineers Arms, among other places. The nearest railway station is Bitterne station, about 0.6 miles north. Nearby you’ll also find Bitterne Local History Society Heritage And Research Centre (0.8 miles east) and Marlands Shopping Centre (1.2 miles west). Green spaces nearby include Netley Common.
What we can’t put right
Being straight saves everyone time. Fresh joints won’t solve:
- Swollen or delaminated boards behind panels or vanity tops
- Hollow tiles or loose panels behind the joint
- Mould caused by poor ventilation, which will return until the extract is fixed
If you are not sure, just call the office on 01277 525 020 or use the quote form and we’ll give you a straight answer.
Where we work in Northam
- Showers, trays and wet room floors
- Vanity units and basins
- Accessible toilets and changing rooms
- IPS panels and cubicles
- Urinals and WCs
- Kitchens and tea points