Greater London · England
Commercial Sealant in Bickley
We cover Bickley for sealant work for offices, hotels, washrooms and commercial buildings. Old material cut out, joints cleaned and sealed neatly and a one-year guarantee.
- Silicone laid over old silicone by a previous contractor
- Mouldy bathrooms flagged at a tenancy check
- Water marks on ceilings under bathrooms
Looking after it afterwards
So the new joints stay in good condition:
- Plan resealing around quiet periods
- Use mild cleaners on sealant, not bleach or abrasives
- Give housekeeping the cure time for every room
- Don’t leave a failed joint until the next refurbishment
Each room is handed back with its cure time, usually around 24 hours. Pass it on to housekeeping or cleaners so nobody showers or cleans the joint too early.
Black sealant in a staff washroom or guest bathroom draws complaints. The longer it’s left, the deeper it grows into the silicone, and only replacement fixes it.
How we handle commercial sealant in Bickley
Student halls, care homes and supported housing have many similar bathrooms. We agree a programme and work through them in order, working around residents and staff routines. We work on welfare facilities, office washrooms & kitchens and student & care accommodation, and people most often call us about repeated reseals that don’t last and black, stained silicone in guest bathrooms.
In London’s blocks of flats, service risers and common parts have pipes and cables passing through walls and floors. For managing agents and building owners in Bickley, that can mean fire-rated sealant around service openings as well as resealing in shared washrooms and kitchens.
Each job carries a 12-month guarantee, large or small.

- Location
- Bickley (BR1, BR2, BR7)
- Region
- Greater London
- Guarantee
- One year on every job
- Price
- A clear price before any work starts
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
How the job changes by surface
Welfare facilities
Before a health and safety visit or audit, tired sealant is easy to sort. Let us know when it needs to be done and we’ll plan the work and cure time around it.
Student & care accommodation
Vacant rooms make resealing quick and simple, though occupied rooms can be done too.
When it isn’t the sealant
Some problems need a builder, plumber or other trade rather than us:
- Failed tanking or loose tiles behind the sealant
- Damaged sanitaryware that needs replacing
- A broken extractor fan behind the mould problem
If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think before you book.
Joints and surfaces we work on
- Hotel bathrooms
- Office washrooms & kitchens
- Rental portfolios
- Welfare facilities
- Student & care accommodation
- Retail & leisure sites
DIY sealant or a professional job?
If you’re set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Leave it or put it right?
Guests and staff judge a building by its bathrooms. Black sealant makes a clean room look dirty, and cleaning rarely puts it right. Replacing it does. In London conversions, one flat’s bathroom is often above another flat’s ceiling, so a small leak from tired sealant can mean a neighbour’s ceiling and a lot of disruption. Dealing with it early is far simpler.
We don’t show prices on the website, because the cost depends so much on the job itself. For a quick quote, please call 0345 464 0079 or email us and we’ll talk you through it.
Why choose Mr Mastic in Bickley
- We never seal over old sealant
- Arbo and Everbuild products
- Colour picked to suit the job
- Anti-fungal silicone where joints get wet
See what affects the cost and our reviews.
Bickley questions
Do you work for landlords with property near Bickley station?
Yes. We work for landlords and letting agents as well as householders. You can call 0345 464 0079 or send us an email with the details for a clear quote.
Is parking an issue for commercial sealant in Bickley?
In much of London, parking needs planning: a visitor permit or a nearby bay makes the day run more smoothly.
Do you take out the old sealant first?
Yes. Sealing over the old bead is the commonest cause of early failure, and it’s something we never do.
Can I choose the sealant colour?
We will suggest a colour to suit the surroundings. The choice depends on the product the joint needs.
How do I get a quote for commercial sealant in Bickley?
Every job is different, so each one gets its own quote. For a quick quote, phone 0345 464 0079 or send us an email and let us know what needs doing and where.
Do you hold any approvals?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we are part of it.
How long do rooms need to be out of use?
Generally after around 24 hours. Each room is handed back with the cure time for the product used.
Where do you work from?
Our base is in Crawley, and we work across South East England, London and Scotland.
What commercial sealant looks like in Bickley
Many London buildings have tight access and loading restrictions, and out-of-hours working is possible to arrange. London has hard water, which leaves limescale on sealant, grout and taps, and it has to be cleaned off before new sealant goes in.
Community buildings like Church of St George are part of the picture too: any kitchen and washrooms need the same sealant care as any other building. For site and facilities teams at buildings such as Bullers Wood School for Boys, washroom and kitchen sealant can be programmed around term times or opening hours. As a London address, Bickley can be tricky for parking: tell us about permits, visitor bays or off-street space when you book.
Bickley is about 1 mile east of Bromley, in Greater London. For commercial sealant in and around Bickley, please call 0345 464 0079 or drop us an email for a quick quote. We cover Greater London from our Crawley base, Bickley included. Across Greater London, we cover 764 places, Bickley among them. You can also see our page for London, about 9 miles away.
Postcode districts we cover here for commercial sealant: BR1, BR2 and BR7. That includes homes and businesses on Golf Road, The Avenue and Canon Road. Other places close to Bickley include Widmore (1 mile north), Elmstead (1 mile north), Chislehurst (1 mile north-east), Bromley (1 mile west) and Sundridge (1 mile north-west). We also work in nearby towns such as London (9 miles north-west), City of Westminster (12 miles north-west), Marylebone (12 miles north-west), Kensington (13 miles north-west), St Pancras (11 miles north-west) and Shoreditch (10 miles north-west).
What’s near Bickley
Typical jobs here are in homes near Bird In Hand Public House, Holy Trinity College Bromley and Jubilee Country Park, among other places. Bickley has its own railway station: Bickley station. A little further out are Bethlem Museum of the Mind (1.5 miles south-west) and The Mall (1.3 miles west). Open spaces near Bickley include Summer Hill and The Tarn.
Landlords, agents and businesses in Bickley
Whether it’s one flat or a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a one-year guarantee.
Housing providers, facilities teams and property managers book us too. Several sites can be quoted together, and we are fully insured.
What happens on the day
We work through the job in order: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours for a single washroom, longer for a whole building. For a job in Bickley, parking and access are the things to plan: let us know about parking, the floor we’ll be working on and any lift or shared entrance.
- First we visit and agree the scope, the sequence and the working hours.
- Room by room, we protect the area and remove all the old sealant.
- We clean the joints, treat any mould and let them dry.
- We lay the right sealant for each area, with anti-fungal silicone in wet rooms.
- Each room is checked and handed back with its cure time.
How to prepare
- Where the joints are inside, avoid wetting them before we arrive
- Let us know about parking restrictions
- Let us know if you’ve seen damp or leaks
Get a quote
Getting a quote is simple: let us know what needs doing and where and its rough size. A few pictures by email make the job easier to understand, and we’ll come back to you with a quote.
