Fire stopping in St Luke's
Sealant work in St Luke's for main contractors, managing agents and facilities managers: fire-rated and intumescent sealing of service penetrations and linear gaps, quoted at a fixed price.
- Improvised or mixed-product fire seals
- Expanding foam used as fire stopping
- Old intumescent sealant that has split away
Fire stopping near St Luke's
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
About our fire stopping in St Luke's
Most of our fire stopping work happens after the building is up. Each new cable, pipe or data route cut through a fire-resisting wall leaves an opening behind. Those on your schedule are closed with the specified product. We work on pipe penetrations, small duct penetrations where the tested detail allows and cable penetrations, and the failures we’re asked to look at most are hidden openings found during inspections and snag lists that include open service penetrations. Facilities teams, main contractors and managing agents in St Luke's tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.
In a London area such as St Luke's, buildings are refitted often, and every new cable, pipe or duct through a fire-resisting wall or floor leaves a gap. Each service penetration gets fire-rated or intumescent sealant if that’s what is specified, laid to the product’s tested arrangement.
Every job we finish is backed by a 12-month workmanship guarantee. If our installation lets you down in that time, we return and fix it.
- Location
- St Luke's (N1, EC1V, EC2A)
- Wider area
- Greater London
- Guarantee
- 12 months on our workmanship
- Quotes
- Quoted before any work starts
- Telephone
- 01277 525 020
- Last updated
- 3 November 2026
Questions about St Luke's
Will you work in a care home in St Luke's without moving residents out?
Yes, with the manager deciding the order and timing of rooms. We follow the home’s own procedures throughout.
Can you cope with the access rules in a London building?
Yes, most London buildings have access rules of some kind, and we plan around them. The building manager’s rules go straight into our method.
How soon can the area be used again?
Curing time varies by product, and we confirm it on the day.
Which sealant will you use?
The specification comes first, if there is one. If there isn’t one, it comes down to the joint: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.
How long does a typical visit take?
It depends on the scope, but the work normally takes longer where risers, ceiling voids or occupied floors have to be worked through in sequence. Larger or phased jobs take longer, and we’ll give you a timescale with the quote.
Can one quote cover more than one building?
Yes. We take on portfolio and planned maintenance work, planned site by site to suit how each building is used.
How do I request a quote?
You can use the quote form on this site; alternatively, phone 01277 525 020 or send details through our quote form. Photos, drawings or a joint schedule help us quote quickly.
Compartments and services around St Luke's
A 2-mile radius around St Luke's takes in a good number of hotels. A hotel refit often runs new services through compartment walls between bedrooms and corridors, and each opening needs the specified seal. There are six care or nursing homes within about 2 miles of St Luke's. Care homes rely on fire-resisting walls and floors, and maintenance work that breaks through them leaves openings to seal. Where that’s fire-rated sealant, we install it to the manufacturer’s tested detail.
Hospital estates such as Moorfields Eye Hospital (City Road campus) (under half a mile north-east of St Luke's) are divided into fire compartments, and any service penetration through them should be sealed to the specified, tested detail. For a site team at a college like London College of Fashion, which lies east of St Luke's, fire-rated sealing is best scheduled after the summer works.
St Luke's is about 2 miles north of London, in Greater London. We cover commercial sites throughout St Luke's, for single jobs and planned programmes alike. St Luke's is one of 764 places we cover in Greater London for service penetrations.
Work on service penetrations is covered throughout N1, EC1V and EC2A, for business premises of every kind. Buildings on Long Lane, City Road and Moor Lane are within our area. St Luke's sits on or close to the A1 and A501, useful when we plan access and materials. Nearby places we also cover include Finsbury (1 mile south), Barbican Estate (1 mile south), Shoreditch (1 mile east), Hoxton (1 mile north-east) and City of London (1 mile south) for service penetrations. Further afield, our area takes in City of Westminster (3 miles west), Kensington (5 miles west), Walthamstow (5 miles north-east), Hampstead (4 miles north-west), Ruislip (14 miles west) and Brompton (4 miles south-west).
Landmarks near St Luke's
In St Luke's, that means premises near Barts Health Archives, Charterhouse Square School and The Masque Haunt pub. Also close by are St Mary-at-Hill (1.1 miles south), Central Foundation Boys' School (less than half a mile east) and Artillery Ground (less than half a mile south-east). St Luke's has its own railway station: Old Street station. A little further out are Gabriel's Wharf (1.3 miles south-west) and Montfichet's Tower (0.9 miles south-west). Green spaces nearby include St. James's Park Lake and Barnsbury Wood.
Nearby places to St Luke's
More services for St Luke's
Why it’s worth doing now in St Luke's
Open penetrations multiply: each new service adds to the list. Keeping on top of it after each round of works keeps the job small. Access in London is hard enough to arrange once, so it makes sense to deal with every failing joint while access is in place.
Access can matter as much as the joints themselves: joints within easy reach take less time than ones that need access equipment. Tell us how the joints are reached and call for a quote.
Why us?
- Old sealant cut out, never sealed over
- Commercial sealant work since 2005
- Workmanship guaranteed for 12 months
- Fully insured, including public liability cover
Read how commercial sealant jobs are priced and our accreditations.
Keeping the joints sound
Cleaning and maintenance staff play a part too. Share these points with them:
- Ask the designer to confirm details early on refits
- Treat an open penetration as a priority repair
- Leave fire sealant to cure fully before covering it
- Look above ceilings when tiles are lifted for other jobs
Once the seals are in, tell other trades they exist and must not be disturbed. Any seal cut back for a new service needs reinstating to its tested detail.
Specify fire stopping early on refits, not as an afterthought. Details can then be picked to suit the actual pipes, cables and ducts.
Cost factors for service penetrations
There’s no standard rate for sealant work, since sites vary so much. What we look at:
- Which sealant the job calls for
- Any access equipment needed
- Quantities, in metres or numbers
- Joint width, depth and condition
We don’t publish prices, since every building and every scope is different. Call for a quote.
Before you send an enquiry
It doesn’t need to be a full survey. These details are enough to start:
- Where the site is, with the postcode
- The product your specification calls for
- Rough lengths or quantities, or drawings if you have them
- A wide shot and a close-up of the area
Photos, drawings or a schedule of the joints and a fixed quote comes back to you. Where a site visit makes more sense, we’ll arrange one.
Signs you need fire stopping in St Luke's
Some seals fail because the wrong product went in: builders’ foam or ordinary silicone used to fill a hole. The opening looks sealed but has no fire test evidence behind it and has to be removed.
Any of the following is a good reason to get the joints checked over:
- Fire sealant pulled out of the opening
- Fire stopping installed outside its tested range
- Expanding foam used as fire stopping
- Penetration schedules that need working through
Tenant changes at parks like Southwark Bridge Business Centre, 1.5 miles south of St Luke's, bring new data and services, and openings through fire-resisting walls need the specified seal.
What your quote should include
- Whether primer will be used where the manufacturer specifies it
- Whether their applicators hold CSCS cards
- What level of public liability insurance do they hold?
- Their plan for phasing and protecting the area
Surface by surface
Metal pipes
Heat travels along metal pipework, and the tested detail may ask for insulation beyond the wall. If the detail needs something beyond sealant, we tell you.
Small ducts
Some fire-rated sealant details cover small ducts. Larger or fire-rated ductwork usually needs a different solution set by the designer, and we will say if that applies.
How a job runs
We begin with a short walk round with whoever looks after the building, agreeing which joints are in scope, where to start and what must stay open. After that, any old or failed material is removed, each joint is prepared and the new sealant goes in. In St Luke's, most buildings stay in use during the work, so we agree zones and timings with the building or facilities manager. Phased work keeps the rest of the building in use.
- We ask for the product and detail your designer has specified.
- Openings are measured and grouped by detail.
- 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.
Preparing the site
- Agree which areas must stay open
- Clear stock, furniture or equipment away from the joints
- Let building users know which areas are affected
Request a quote
For a fixed quote, give us a call on 01277 525 020 or send photos by email, telling us the site location and the nature of the job. Our quote form is another easy route.