Fire Stopping in Hoxton
Fire stopping for Hoxton, from a contractor working since 2005. Fully insured, with a 12-month guarantee.
- Old intumescent sealant that has split away
- Damaged fire seals in risers and voids
- Expanding foam used as fire stopping
Fire stopping near Hoxton
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
Fire stopping for commercial buildings in Hoxton
Most of our fire stopping work happens after the building is up. New cable runs, replaced pipework and extra data routes all punch holes in compartment walls, often unnoticed. We close the openings listed on your schedule, using the specified sealant and detail. Site teams most often ask us about damaged fire seals in risers and voids and old intumescent sealant that has split away, across pipe penetrations, service gaps in risers and linear gaps at wall heads. Searching for sealant specialists in Hoxton? We have been sealing commercial buildings since 2005, with CSCS-carded applicators.
Taller residential buildings in London may fall under the Building Safety Act’s higher-risk regime, where fire-stopping records get close attention. We install what the designer or fire engineer has specified, and if you need records of the work, tell us and we’ll confirm with the quote.
Guaranteed is the last step of every job. You get a 12-month guarantee on our workmanship, and we explain exactly what that covers when we quote.
- Where
- Hoxton (N1, N1P, EC1V)
- Region
- Greater London
- Cover
- A 12-month guarantee
- Quote
- A fixed quote before we start
- Telephone
- 01277 525 020
- Updated
- 3 November 2026
Hoxton: questions and answers
Do you take on jobs in Hoxton where loading and access are tightly controlled?
Yes, we plan every London job around the building’s own access rules. Say when the building is occupied and when it’s quiet, and we will plan accordingly.
How does the move away from BS 476 affect penetration seals in Hoxton?
From 2 September 2029, Approved Document B drops its BS 476 references in favour of BS EN 13501-2 classification, with transitional arrangements. Whichever applies, we install the specified product to its tested detail; the specification is for the designer to set.
How do I request a quote?
It works in four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. Step one needs little more than photographs and a postcode.
What happens if old sealant might contain asbestos?
Managing asbestos is the dutyholder’s responsibility, so for older buildings we ask for the asbestos register first. If anything suspect turns up, we stop until it’s tested.
Does the weather affect the work?
It can, for external work. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so we watch the forecast and rearrange outside work if we have to. Indoors, the weather is rarely a problem.
Can staff carry on working while you are here?
Usually, yes. Phased work can be planned so areas stay in use, with each area protected and signed.
Can you follow the specification on our project?
Yes. We follow the specification, along with the manufacturer’s installation guidance, and we raise anything unclear before work begins.
Site staff or a sealant specialist?
Site maintenance staff can often handle a short internal joint. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.
Certain joints really need a specialist: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. Getting these wrong normally costs more in the end than doing them right.
Honest limits
Not every problem is a sealant problem, and we are upfront when that’s the case. It won’t fix:
- Deciding what a wall or floor needs, which belongs to the designer
- Walls or floors that aren’t fire-resisting to begin with
- Openings that need collars, wraps, batts or boards rather than sealant
If in doubt, call the office on 01277 525 020 or email us and we will say what we think.
Where we work in Hoxton
- Small duct penetrations where the tested detail allows
- Pipe penetrations
- Joints between fire-resisting walls and floors
- Service gaps in risers
- Linear gaps at wall heads
- Cable penetrations
Different surfaces, different methods
Cables and cable bundles
Single cables and small bundles are often within a fire-rated sealant’s tested detail. The detail limits bundle size and the gaps between and around cables and we work within those limits.
Drylining partitions
Drylined fire walls are tested in a particular build-up. We check that the product’s detail covers that partition type and board thickness.
Compartment walls and floors in Hoxton
For England, the fire stopping of penetrations is dealt with in Approved Document B. From 2 September 2029, BS 476 references are being taken out of Approved Document B, leaving BS EN 13501-2 classification as the route, subject to the Government’s transitional arrangements. Either way, we install the specified product to its tested detail. Every new tenant in a London building tends to bring new cabling, and with it new holes through compartment walls. We install fire-rated sealant where it is specified and work within the building manager’s permit system.
At a college such as New City College, under half a mile south-east of Hoxton, checking penetration seals after summer M&E works is good practice. Tenant changes at centres like Anchor Retail Park, 1.7 miles to the south-east of Hoxton, often mean new services through walls between units.
Hoxton is about 2 miles north of London, in Greater London. Businesses, contractors and managing agents in Hoxton can call on us for service penetrations. Across Greater London, 764 places are covered, including Hoxton.
Work on service penetrations is covered throughout N1, N1P and EC1V. If your site is on City Road, Noel Road and East Road or close by, we can quote for service penetrations. With the A1200 and A1208 nearby, Hoxton is straightforward for us to reach. We also cover Haggerston (1 mile east), Shoreditch (1 mile south-east), Canonbury (1 mile north), De Beauvoir Town (1 mile north) and St Luke's (1 mile south-west) for service penetrations. Nearby towns on our patch include City of Westminster (3 miles south-west), Marylebone (3 miles south-west), Kensington (6 miles south-west), Walthamstow (4 miles north-east), Hampstead (4 miles west) and Ruislip (14 miles west). As one of the bigger centres in Greater London, Hoxton has a broad mix of commercial, public and industrial buildings.
Near you in Hoxton
Locally, jobs take us to sites close to Bishopsgate Institute Special Collections and Archives, Islington Green School and Stag's Head pub and the streets around them. Other local landmarks include Hackney University Technical College (less than half a mile south-east) and Shoreditch Park (under half a mile north-west). Hoxton has its own railway station: Hoxton station. A little further out are St Leonard's Hospital (less than half a mile east) and Montfichet's Tower (1.6 miles south-west). Not far away are St. James's Park Lake and Barnsbury Wood.
When to call us in Hoxton
A common fault is a product that was never fire-rated in the first place: builders’ foam or ordinary silicone used to fill a hole. It may look closed, but it has no tested fire performance in that position.
Any of the following is a good reason to get the joints checked over:
- Openings found when ceilings come down for a refit
- Fire-stopping items raised at inspection or handover
- Old intumescent sealant that has split away
- Seals that don’t match their tested detail
For an estates team at a campus like University of Wales Trinity Saint David London, which lies west of Hoxton, summer M&E works are normally followed by a round of penetration sealing.
What your quote should include
- How long is the guarantee, and what does it include?
- Is the sealant right for the movement and the substrate?
- Will failed sealant be removed rather than covered?
- Their pre-qualification and accreditations
Looking after the joints
Keep the joints in good shape with a few simple steps:
- Keep general-purpose fillers away from compartment walls
- Look above ceilings when tiles are lifted for other jobs
- Report damaged or disturbed seals as soon as they’re spotted
- Keep product data and details in the fire safety file
After every round of M&E works, check that the openings created have been sealed. Building it into each contractor’s sign-off keeps the walls intact.
Make reporting new openings part of every permit to work in service areas. Small habits like this stop openings building up.
More services for Hoxton
From enquiry to sign-off
Site rules come first: signing in, inductions and any permit to work. Once we’re cleared to begin, the joints are worked through in the order agreed with your site contact. In Hoxton, most buildings stay in use during the work, so zones and timings are agreed with whoever manages the building. Areas are handed back as each section is finished.
- First we confirm the product and tested details named in the specification.
- We sort the openings by the detail each one needs.
- Improvised fillers and failed sealant are removed.
- Mineral wool or other backing is fitted where required.
- We gun the sealant in to the specified depth around each service and tool it.
- Completed areas are checked with you, with the records agreed when we quoted.
Before we start on site
- Arrange parking or a loading space
- Tell us which areas need to stay in use
- Confirm the product named in the specification
Request a quote
Photos, drawings or a schedule of the joints and a fixed quote comes back to you. Where a site visit makes more sense, we will arrange one.