Greater London · England
Fire-rated sealant in Blackwall, Greater London
Intumescent and fire-rated sealant around gaps, frames and service penetrations for Blackwall, backed by a 12-month guarantee. Ask us for a quote.
- Open joints along the top of partitions
- Cracked or shrunken fire-rated sealant
- Unsealed gaps around fire door frames
FAQs for Blackwall
Can parking be tricky for a visit in Blackwall?
In much of London, parking needs planning: a visitor permit or a bay close to the door helps a lot.
Do you work for landlords with property near Canary Wharf station?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. Just call 0345 464 0079 or send us an email with the address and what needs doing, and we’ll send you a clear quote.
Do the sealants smell?
That depends on the sealant. Some products have a noticeable smell, others very little.
What do you need from me for a quote?
Let us know what needs doing and where, with pictures by email if possible. If we need more, we will ask.
Does someone need to be in?
If the work is inside, we need someone to let us in. After that, you can carry on with your day.
Can I choose the sealant colour?
Most of the time, yes. We’ll explain which colours are available and agree one before work begins.
Will it make a mess?
No. We work neatly, protect the area around the joints and tidy up afterwards.
Do you cover Blackwall?
Yes. We’re based in Crawley and work across South East England, London and Scotland.
About our fire rated sealant in Blackwall
A fire seal relies on being installed the way it was tested: the right depth, the right backing and the right product for the substrate. That’s the part we focus on, gap by gap. If you have open gaps behind door architraves and gaps filled with a product that isn’t fire-rated, 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 Blackwall, 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.
- Where
- Blackwall (E14, SE10, E16)
- Wider area
- Greater London
- Guarantee
- A year, on every job
- Quotes
- A clear price before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026

Common problems we fix in Blackwall
Much fire stopping is hidden: above ceilings, inside risers and behind panels. Out of view, damage sits unnoticed until someone inspects.
It’s worth asking for a quote if you see:
- Gaps left after a refit or conversion
- Gaps flagged on a fire risk assessment
- Fire seals that have cracked with movement
- Standard silicone or caulk in a fire-stopping gap
Blackwall is in London, so parking needs planning: let us know about parking bays, permits or a driveway.
Questions to ask before you book
- How the joint is cleaned and prepared
- What insurance they hold
- What happens if they find a problem under the old sealant
- Whether the sealant suits the joint
How the job changes by surface
Service penetrations
Different services need different details: metal pipes, cables and plastic pipes are not treated the same. We follow the manufacturer’s tested detail for each and we flag any that need another system.
Linear gaps
Linear gaps run along the head of walls, at floor edges and between panels. We seal them to the tested detail, with backing where it’s needed.
What we do, step by step
We bring everything the job needs with us. After a quick look at the joints together, the area is protected and the work begins. It normally takes anything from a few hours to several days, depending on how many gaps there are. For a job in Blackwall, parking and access are the things to plan: let us know about parking, the floor we will be working on and any lift or shared entrance.
- We go through the gaps on your list or survey and check each one’s size and substrate.
- Anything that isn’t fit for the job comes out, and the gap is cleaned.
- We put in whatever backing or fill the product detail specifies.
- Fire-rated or intumescent sealant is applied to the right depth and tooled.
- Locations and products are noted so you have them on file.
Preparing for the visit
- Mention any sign-in or site rules at work premises
- Plan for the work area to be out of bounds to pets and children
- Clear the area around the work
How to get a quote
For a quick quote, get us on the phone, or send an email if you’d rather. Tell us about the joints that need doing and we’ll explain what’s involved before giving you a price.
Advice
Looking after it afterwards
Aftercare is simple, and it makes a real difference:
- Check whether a sealant can be painted before decorating over it
- Allow for resealing whenever new services are run
- Make resealing part of every contractor’s brief
- Keep pictures of seals that will be hidden
Don’t drill through or remove a fire seal without putting it back properly. New services through a sealed wall should include fire stopping in the plan.
Any job that breaks through a wall or ceiling should include resealing. Catching it then saves a separate visit later.
Quotes for fire rated sealant in Blackwall
Every job gets its own quote. These are the things that affect it:
- Any working-time requirements on site
- Whether old sealant or filler has to be cut out
- Whether there’s mould to deal with
- Which sealant suits the joint
The cost depends on how much there is to do, how much old material has to come out and access to the work. We give a clear quote before any work starts, so you know where you stand.
What we need to know
When you call or email, it’s useful to know:
- Any previous sealing or DIY work
- A few photos by email, if you can
- The type of property
- What the problem is, such as mould, gaps, leaks or cracking
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 photos by email if you can.
Commercial buildings in Blackwall
There are hotels and other places to stay in and around Blackwall. For hotels, a room-by-room programme keeps most rooms in use while the work goes on. 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, which is often where open fire-stopping gaps are first noticed. We work to the specification you’re given, installing the product to its tested details.
Rented homes near Canary Wharf station change hands often, and new cables or pipes through a fire-resisting wall leave a gap that needs the right sealant. For buildings such as All Saints Church, service openings in its walls need the right fire-rated sealant, as in any building.
Blackwall is about 1 mile south-west of Canning Town, in Greater London. Homes, rented property, offices and hotels in Blackwall can book us for fire rated sealant. The work is guaranteed for a year. 764 places in Greater London are on our list, from the larger towns to small villages.
We cover every part of E14, SE10 and E16 for fire rated sealant and the streets around it. Streets in the area include Nutmeg Lane, Athol Square and Leamouth Road, and we cover them all. Main roads around Blackwall include the A102 and A1206. We also cover the places around Blackwall: Coldharbour (1 mile south-west), Leamouth (1 mile north-east), Limmo Peninsula (1 mile north-east), Poplar (1 mile west) and London Docklands (1 mile west). Further out, we also cover London (4 miles west), City of Westminster (6 miles west), Marylebone (6 miles west), Kensington (9 miles west), St Pancras (5 miles west) and Shoreditch (3 miles north-west).
Near you in Blackwall
Locally, jobs take us to homes and businesses close to The Gun pub, Tower Hamlets College and Bow Creek Ecology Park, among other places. For rail, the closest station is Canary Wharf station, about 0.6 miles west. Other landmarks nearby include Poplar Hospital (under half a mile north-west) and London Gas Museum (1.1 miles north). Green spaces nearby include Lavender Pond and Tower Hill.
Places near Blackwall
More services for Blackwall
DIY sealant or a professional job?
A DIY attempt does not rule out a professional job. We cut it out and start again, so just mention it when you contact us.
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
What sealant work can’t fix
It helps to know what we can’t do:
- Walls or floors that weren’t built to resist fire
- Fire doors that need new seals, closers or hardware
- Big openings where sealant alone isn’t the tested solution
If you’re not sure, just call 0345 464 0079 or send us an email and we’ll give you a straight answer before you book.
Surfaces we seal
- Linear gaps
- Door frames
- Flats & HMOs
- Plasterboard & masonry
- Pipe & cable gaps
- Service penetrations
