Greater London · England
Fire-rated sealant in Cannon Hill, Greater London
Fire rated sealant across Cannon Hill and nearby, with every bit of old sealant taken out first and a 12-month guarantee.
- Unsealed gaps around fire door frames
- Linear gaps at the head of walls
- Gaps around pipes and cables through fire-resisting walls
About our fire rated sealant in Cannon Hill
Fire-rated sealant closes the gaps around pipes, cables and frames where they pass through a fire-resisting wall or floor. We apply intumescent and fire-rated sealants to the manufacturer’s tested details for each gap, with a record of the products and locations if you need one. Typical jobs include standard silicone or caulk in a fire-stopping gap and open gaps behind door architraves, on door frames, service penetrations and flats & HMOs.
Across London, offices, shops, hotels, student halls and blocks of flats all need sealant work from time to time, from washroom silicone to fire-rated sealant around pipes and cables passing through walls. Out-of-hours working can be arranged where a building in Cannon Hill cannot close.
All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.
- Where
- Cannon Hill (SW20, SM4, KT3)
- Wider area
- Greater London
- Guarantee
- A year, on every job
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Landlords, agents and businesses in Cannon Hill
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we’ll give you a quote.
Surface by surface
Flats and HMOs
In flats and HMOs, the walls and floors between homes and common areas need sealing where services pass through. We seal the gaps your assessor has identified room by room.
Service penetrations
Different services need different details: metal pipes, cables and plastic pipes aren’t treated the same. We follow the manufacturer’s tested detail for each and we flag any that need another system.
Looking after it afterwards
Joint life depends on how it’s used and looked after. We suggest:
- Look in service cupboards and ceiling voids from time to time
- Keep photos of seals that will be hidden
- Don’t fill fire-stopping gaps with ordinary foam or silicone
- Plan fire stopping into any work that goes through walls or floors
Avoid covering a sealed gap with anything that is not part of the tested detail. If it needs repair, use the same type of product. Ask us if you’re not sure which product was used.
Leave a fire-stopping gap open and smoke can move through the building much more easily. Closing it is generally a straightforward job.
Nearby places to Cannon Hill
More services for Cannon Hill
What happens if it’s left?
Sealant is not the fix for every opening. Large holes, cable bundles and plastic pipes can call for batts, collars or wraps. If a gap isn’t suitable for sealant, we’ll tell you. In a flat in Cannon Hill, failed sealant seldom stays inside your own four walls: water can reach the neighbours below, and gaps in fire-rated joints affect the whole building.
Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed, plus any working-time requirements on site. Ask us for a quote and we’ll explain what it covers.
Why Cannon Hill clients choose us
- 4.9 on Google from 180+ five-star reviews
- Over 20 years’ experience
- We never seal over old sealant
- We’re fully insured
Read what affects the cost or customer reviews.
Quotes for fire rated sealant in Cannon Hill
We don’t publish a price list, because no two jobs are the same. The quote depends on:
- Any mould that needs treating
- How much there is to do
- How many areas need sealing
- The type of sealant required
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, and we’ll explain the quote if you ask.
Asking for a quote
Photos help, but a description is a good start. Try to tell us:
- Photos by email, if that’s easy
- Where the job is, and your postcode
- How we’d reach the joints
- Whether it has been sealed before
For fire rated sealant in Cannon Hill, call 0345 464 0079 or send us an email. Tell us what the problem is and where, and we’ll agree the price before any work begins.
Fire rated sealant in Cannon Hill: local notes
In England, the Regulatory Reform (Fire Safety) Order 2005 requires a fire risk assessment for workplaces and for the common parts of blocks of flats, and gaps around services are often picked up there. We apply fire-rated sealant to the assessor’s or designer’s specification and the product’s tested details. Commercial buildings in London often have strict access rules and limited loading, so out-of-hours working can be arranged where needed.
For buildings such as St James Merton, older buildings that have had new heating or wiring often have service gaps worth checking. As a London address, Cannon Hill can be tricky for parking: let us know about parking bays, permits or a driveway. If you let a flat or house near South Merton station, any gap left by new services in shared walls should be closed with a fire-rated product.
Cannon Hill is about 1 mile north-west of Morden, in Greater London. Jobs in Cannon Hill get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. 764 places in Greater London are on our list, large and small. You can also see our page for London, about 9 miles away.
We work across SW20, SM4 and KT3 for fire rated sealant and the streets around it. If you need fire rated sealant at a property on Aylward Road, Camborne Road and Botsford Road or a nearby road, our applicators can take on the job. We also cover Bushey Mead (1 mile north-west), Raynes Park (1 mile west), Wimbledon Chase (1 mile north), West Barnes (1 mile west) and Merton Park (1 mile north-east). Larger places within reach include London (9 miles north-east), City of Westminster (8 miles north), Marylebone (9 miles north), Kensington (7 miles north), St Pancras (10 miles north-east) and Shoreditch (11 miles north-east).
Local landmarks in Cannon Hill
In Cannon Hill, that means homes and buildings near The Edward Rayne pub, Cannon Hill Common and Harris Academy Wimbledon, among other places. For rail, the closest station is South Merton station, about 0.5 miles north-east. Nearby you will also find St. Anthony's Hospital (1.5 miles south) and Wimbledon Museum (1.6 miles north). Open spaces near Cannon Hill include Cherry Wood and Henman Hill.
When something else is needed
Some problems need a builder, plumber or other trade rather than us:
- Big openings where sealant alone isn’t the tested solution
- Walls or floors that weren’t built to resist fire
- Sign-off of the building, which sits with building control or your assessor
If in doubt, call 0345 464 0079 or email us and we will say what we think.
Where we work in Cannon Hill
- Flats & HMOs
- Pipe & cable gaps
- Door frames
- Service penetrations
- Linear gaps
- Plasterboard & masonry
FAQs for Cannon Hill
Do you work for landlords with property near South Merton station?
Yes, rental work is part of what we do. You can phone 0345 464 0079 or email us with the address and a few details, and we’ll give you a fixed price before any work starts.
Is Cannon Hill in your area for fire rated sealant?
Yes, Cannon Hill is within the area we cover. Our work covers London and the South East. Just ring 0345 464 0079 or drop us an email with a few details of the job.
Will you assess my building’s fire safety?
No. That is for a fire risk assessor, designer or building control. Our job is applying the sealant to their specification.
How long does the job take?
That depends on the amount of work, but most jobs take anything from a few hours to several days, depending on how many gaps there are. We’ll tell you when we quote.
Do you seal gaps around fire door frames?
Yes. We often seal open gaps hidden behind the architrave. Doors, seals and closers need a door specialist.
Do I need to be at home?
It depends on the job. For work indoors, someone needs to let us in.
What should I tell you?
Just the basics: the address or postcode, what’s wrong and any access issues. After that, simply ring 0345 464 0079 or drop us an email.
What does fire rated sealant cost?
Every job is different, so each one gets its own quote. To get one, call 0345 464 0079 or drop us an email and tell us what needs doing and where.
The process
All our tools and materials come with us in the van, so there’s nothing for you to buy. After a quick look at the joints together, we protect the area and start. Most jobs take a few hours for a handful of gaps, and longer for a whole building. For a job in Cannon Hill, 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.
- We start with the survey or action list, checking the size and surfaces of every gap.
- We remove any old or unsuitable filler and clean the gap.
- Where the tested detail needs backing or fill, we fit it.
- The sealant goes in to the depth its detail sets, then it’s tooled off.
- Locations and products are noted so you have them on file.
How to prepare
- Let us know about stairs, lifts or work at height
- Let us know about earlier repairs to the joints
- For indoor joints, keep the area dry beforehand if you can
Get a quote
To get a quote, call 0345 464 0079 or send us an email with the location and a short description of the problem. You’ll have a clear quote before we start.