Greater London · England
Commercial & hotel sealant in Sundridge, Greater London
Problem with your washrooms, bathrooms and kitchens in Sundridge? We cut out the old, prepare the joints and apply the right sealant, with a one-year guarantee.
- Tired sealant ahead of a health and safety audit
- Rental bathrooms that need resealing between tenants
- Leaks from showers into rooms or ceilings below
Commercial sealant in Sundridge
Staff facilities can’t be out of action for long. We can plan the work for early mornings or out of hours to keep disruption down. You’re told when each area can be used again. If you have leaks from showers into rooms or ceilings below and sealant failing again soon after quick repairs, we can put it right.
London blocks of flats carry pipes and cables through walls and floors in their common parts and service risers. In Sundridge, building managers may need both fire-rated sealant around those openings and new sealant in shared washrooms.
A 12-month guarantee comes as standard.
- Location
- Sundridge (BR1, BR7, BR2)
- Region
- Greater London
- Guarantee
- A year, on every job
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
When to call us in Sundridge
Internal washrooms and en suites without a window rely entirely on extraction, and where extraction is poor, damp hangs around. Mould then takes hold in the silicone.
If you can see any of these, it’s time to have the joints looked at:
- Failed floor-level joints in accessible wet rooms
- Failed joints in office kitchens and tea points
- Silicone laid over old silicone by a previous contractor
- Washroom sealant that looks dirty however often it’s cleaned
Schools such as St Joseph's Catholic Primary School are buildings too, and washroom and kitchen sealant can be programmed around term times or opening hours.
What your quote should include
- When the joint can take water or movement
- Are they insured?
- Who turns up on the day
- Is VAT in the price?
Keeping the joints in good condition
Looking after new joints is easy:
- Encourage users to squeegee shower walls
- Don’t leave a failed joint until the next refurbishment
- Include the silicone on your room checklists
- Check extract fans are actually running
We give a cure time for every area we finish, which is generally around 24 hours. Pass it on to housekeeping or cleaners so nobody showers or cleans the joint too early.
Watch for the warning signs: black spots in the silicone, corners lifting, staining on the ceiling below or a musty smell. When you see them, it’s time to plan a reseal.
When something else is needed
We will not take on work that won’t last, so here’s what sealant cannot put right:
- Water coming from plumbing rather than sealant
- Poor ventilation that keeps bringing mould back
- Certifying fire stopping or building compliance
Not sure which it is? You can phone 0345 464 0079 or send us an email and we will tell you honestly.
Surfaces we seal
- Retail & leisure sites
- Rental portfolios
- Student & care accommodation
- Hotel bathrooms
- Welfare facilities
- Office washrooms & kitchens
How the job changes by surface
Office washrooms & kitchens
Kitchen and tea point joints are degreased and resealed, with a food-safe product beside sinks where needed.
Welfare facilities
Busy staff showers wear sealant out quickly. We reseal with anti-fungal sanitary silicone, including accessible wet rooms.
More services for Sundridge
FAQs for Sundridge
Do you work for landlords with property near Sundridge Park station?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. Just ring 0345 464 0079 or email us with the address and what needs doing, and we will send you a clear quote.
Do you take on hotel work around Sundridge?
Yes. Hotel and guest-house work is part of what we do. Jobs can be programmed room by room, with out-of-hours working possible to arrange.
How do I get a quote for commercial sealant in Sundridge?
We do not publish prices, because the cost depends on the job: how much there is, what’s there now, how we reach it and what it needs. You’ll get a clear quote before any work starts.
Can you supply method statements and risk assessments?
Let us know your site’s requirements. We will confirm what we can provide alongside the quote.
Where is Mr Mastic based?
We’re a Crawley-based firm, with over 20 years’ experience. We work across South East England, London and Scotland.
Can you seal over the old sealant?
No, it will not last. It may look fine at first, but the new bead soon lifts. The old sealant has to come out completely.
How long do rooms need to be out of use?
Most areas can be used after around 24 hours. We give a cure time for each area.
Is it messy?
We keep the work tidy. We protect what’s around the joints, and the area is left clean when we finish.
Why it’s worth doing now in Sundridge
Room by room, the work is quick: the job takes a few hours for a single washroom, longer for a whole building. After that, each area needs its cure time before use, so the programme is planned around cure times. 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. Putting it right early is much less trouble.
Every job is a little different, so each one gets its own quote. Size, access and the product the joint needs all make a difference, and we will explain the quote if you ask.
Why book with us
- 20+ years of sealant experience
- A choice of colours where the product allows
- We leave the area clean and tidy
- An ARBOMaster approved applicator
See what affects the cost and our reviews.
Commercial buildings in Sundridge
There are hotels and other places to stay in and around Sundridge. For hotels, a room-by-room programme keeps most rooms in use while the work goes on. Many London buildings have tight access and loading restrictions, and out-of-hours working is possible to arrange.
Community buildings like St Andrew are part of the picture too: its kitchen and washroom sealant needs looking after like anywhere else. Sundridge is in London, so parking needs planning: tell us about permits, visitor bays or off-street space when you book.
Sundridge is about 1 mile north-east of Bromley, in Greater London. Homes, rented property, offices and hotels in Sundridge is covered for commercial sealant. The work is guaranteed for a year. Our Greater London coverage runs to 764 places, Sundridge among them. You can also see our page for London, roughly 8 miles from Sundridge.
We work across BR1, BR7 and BR2 for commercial sealant. Whether your property is on Hawes Road, North Road and Croft Road or a nearby road, we can help. Other places close to Sundridge include Plaistow (1 mile west), Grove Park (1 mile north), Downham (1 mile north-west), Chinbrook (1 mile north) and Elmstead (1 mile east). Within a short drive, we also cover London (8 miles north-west), City of Westminster (10 miles north-west), Marylebone (10 miles north-west), Kensington (11 miles north-west), St Pancras (10 miles north-west) and Shoreditch (9 miles north-west).
Near you in Sundridge
Locally, jobs take us to homes and businesses close to Elmstead Wood, Holy Trinity College Bromley and Haberdashers' Aske's Knights Academy, among other places. Sundridge has its own railway station: Sundridge Park station. A little further out are Bromley Hospital (1.4 miles south) and Greenwich Castle (4.4 miles north). For a walk, there’s Summer Hill and Downham Woodland Walk.
Should I try it myself first?
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
Sealing over old silicone is the commonest DIY error. Silicone does not stick to old silicone, so it lifts and traps water and mould underneath. Everything old must be removed first.
What we do, step by step
There is not much for you to do on the day. Point us to the joints and we will get on with it. The job generally takes a few hours per area, with larger sites planned over several visits. Parking in much of London is by permit or pay-and-display, so it helps to know what’s near you in Sundridge. A visitor permit or a nearby bay makes the visit run more smoothly.
- Tell us the rooms, hours and site rules, and we will plan the programme.
- Tell us what paperwork your site needs, and we confirm what we can supply before work begins.
- Old sealant is cut out room by room and joints cleaned and treated.
- We reseal with the right product for each joint.
- Rooms are handed back in order, each with its cure time.
How to prepare
- For indoor joints, keep the area dry beforehand if you can
- Keep pets and children clear of the area while we work
- For business premises, tell us about site rules or sign-in
Getting a quote
Every job is quoted individually, so start by telling us what you need. Simply call 0345 464 0079 or drop us an email and describe the job and send photos if you have them.