Greater London · England
Barkingside Commercial Sealant
Our applicators work in Barkingside on sealant work for offices, hotels, washrooms and commercial buildings. Old material cut out, joints cleaned and sealed neatly and every job guaranteed for a year.
- Large numbers of bathrooms needing the same work
- Failed joints in office kitchens and tea points
- Split sealant where wet room floors meet walls
When it isn’t the sealant
We’d rather tell you now than do work that will not last, so these are the limits:
- Water coming from plumbing rather than sealant
- Water damage behind the tiles that needs a tiler or builder
- A shower tray, bath or basin that is cracked or broken
Not sure which it is? You can phone 0345 464 0079 or send us an email and we’ll tell you honestly before you book.
Surfaces we seal
- Rental portfolios
- Office washrooms & kitchens
- Retail & leisure sites
- Student & care accommodation
- Hotel bathrooms
- Welfare facilities
Commercial sealant in Barkingside
Larger jobs around Barkingside start with a walk round the site, where we agree the rooms, the order and the hours. After that, you get one clear quote. To set one up, phone 0345 464 0079 or drop us an email. If you have water marks on ceilings under bathrooms and tired sealant ahead of a health and safety audit, we can put it right, whatever the surface.
London blocks of flats carry pipes and cables through walls and floors in their common parts and service risers. In Barkingside, building managers may need both fire-rated sealant around those openings and new sealant in shared washrooms.
All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.

- Location
- Barkingside (IG6, IG2, IG5)
- Wider area
- Greater London
- Cover
- A year, on every job
- Quotes
- A clear price before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
When to call us in Barkingside
Quick fixes come back quickly. New silicone over old, joints that weren’t dried, or an unsuitable product all lead to the same thing: another reseal before long.
These are the problems we’re asked about most:
- Sealant failing again soon after quick repairs
- Washroom sealant that looks dirty however often it’s cleaned
- Rental bathrooms that need resealing between tenants
- Failed joints in office kitchens and tea points
As a London address, Barkingside can be tricky for parking: tell us about permits, visitor bays or off-street space when you book.
What to look for in a quote
- What happens if they find a problem under the old sealant
- Whether the sealant suits the joint
- Whether they seal over old material or remove it
- How long the guarantee is
DIY sealant or a professional job?
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it lifts and traps water and mould underneath. All the old material has to come out first.
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
Commercial sealant in Barkingside: local notes
London’s water is hard, so limescale builds up on sealant, grout and fittings. Commercial buildings in London often have strict access rules and limited loading, so out-of-hours working can be arranged where needed.
If you let a flat or house near Seven Kings station, sealant work can be quoted for a single flat or a whole portfolio. For buildings such as Children's Church And Lych Gate At Barnardo's, its kitchen and washroom sealant needs looking after like anywhere else.
Barkingside is about 3 miles south-east of Woodford, in Greater London. If you need commercial sealant in Barkingside, it’s easy to get a quote: please phone 0345 464 0079 or send us an email. We’re based in Crawley and cover Greater London, Barkingside included. Our Greater London coverage runs to 764 places, and Barkingside is one of them. We also work in London, around 10 miles away.
Our applicators cover all of the IG6, IG2 and IG5 postcode area for commercial sealant. Streets in the area include Bute Road, Duke Road and Oaks Lane, all of which we cover. If you are just outside Barkingside, we cover Newbury Park (1 mile south), Fullwell Cross (1 mile north), Gants Hill (1 mile south-west), Fairlop (1 mile north) and Seven Kings (1 mile south-east). Within a short drive, we also cover London (10 miles south-west), City of Westminster (11 miles south-west), Marylebone (11 miles south-west), Kensington (14 miles south-west), St Pancras (10 miles south-west) and Shoreditch (8 miles south-west).
Around Barkingside
Typical jobs here are in homes near The New Fairlop Oak pub, Fairlop Waters and Ilford County High School. The closest station to Barkingside is Seven Kings station, roughly 1.6 miles south of the centre. Other landmarks nearby include King George Hospital (1.2 miles east) and Redbridge Museum (2 miles south). The countryside around Barkingside includes Hollow Pond and Hainault Lodge.
Why deal with it now?
In a building with rooms above rooms, a failed shower seal can soon show on a ceiling below. Then two rooms are out of action, not one. A reseal now avoids that. Converted houses in London often have a bathroom above someone else’s living room, and a slow leak from a failed seal can end up in the flat below. Dealing with it early is far simpler.
Every job is a little different, so each one gets its own quote. The number of joints, how easy they are to reach and the sealant needed all play a part.
What you get with us
- Homes, businesses and hotels
- Anti-fungal silicone where joints get wet
- A 12-month guarantee on all work
- We never seal over old sealant
Take a look at our cost guide or customer reviews.
How it works
We bring everything the job needs with us, so there’s nothing for you to buy. After a quick look at the joints together, the area is protected and the work begins. Most jobs take 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 Barkingside. It helps if you can point us to a visitor permit or a bay close to the door.
- We walk the site with you and agree the rooms, the order and the hours.
- Every area is sheeted and the old silicone stripped out.
- Joints are cleaned, treated for mould and dried.
- We lay the right sealant for each area, with anti-fungal silicone in wet rooms.
- We check every room and give its cure time for housekeeping.
Before we arrive
- Mention any sign-in or site rules at work premises
- Tell us if parking is tricky
- Tell us about any previous sealing or DIY attempts
How to get a quote
For commercial sealant in Barkingside, phone 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.
Related advice
FAQs for Barkingside
Is Barkingside in your area for commercial sealant?
Yes, Barkingside is within the area we cover. Our work covers London and the South East. Just ring 0345 464 0079 or email us with a few details of the job, and we’ll give you a clear quote.
I let a flat near Seven Kings station. Can you help?
Yes. We work for landlords and letting agents as well as homeowners, and several properties can be quoted together. You can phone 0345 464 0079 or email us with the details for a clear quote.
Can you seal over the old sealant?
No. Fresh sealant does not stick to old sealant, and it traps any mould or water underneath. We remove it all first.
Do you offer different sealant colours?
In most cases you can choose. We will tell you which colours the right product comes in and agree one before any work starts.
Is it messy?
No. The area is protected while we work and cleaned up afterwards.
When can guests or staff use the shower again?
Plan for around 24 hours, or the cure time we give for that area. A room-by-room programme keeps only a few rooms out at once.
Where is Mr Mastic based?
We’re based in Crawley, West Sussex, and we work across South East England, London and Scotland.
How long will you be here?
It depends on the size of the job, but as a guide it takes a few hours per area, with larger sites planned over several visits. We will give you a better idea when we quote.
Quotes for commercial sealant in Barkingside
We do not publish a price list, because no two jobs are the same. What we look at:
- Any working-time requirements on site
- Which sealant suits the joint
- Whether there’s mould to deal with
- How easy the joints are to reach
A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you’re unsure, phone 0345 464 0079 or send us an email and we will give you an honest view and a quote.
Asking for a quote
When you call or email, these details help:
- How many joints, rooms or windows are involved
- Whether it’s a home or a business
- The problem you’ve noticed
- The address or postcode of the job
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and add pictures by email if you can.
Towns and villages near Barkingside
More services for Barkingside
Different surfaces, different methods
Welfare facilities
Staff welfare areas are needed every shift. We can plan the work in sections so some facilities stay open.
Rental portfolios
For a portfolio, we can quote several addresses together and each property booked in when it’s empty or convenient.
