Fire-rated sealing and fire stopping in Luton, Medway
Fire-rated and intumescent sealing of service penetrations and linear gaps throughout Luton and nearby, carried out by CSCS-carded applicators. Fully insured and CHAS accredited.
- Builders’ foam or ordinary silicone in compartment walls
- Old intumescent sealant that has split away
- Fire stopping installed outside its tested range
Fire stopping in Luton
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Fire stopping in Luton
On a fit-out or refurbishment, we follow the services contractors floor by floor. We work from your penetration schedule or marked-up drawings and the specified product data. Tell us what records you need and we will confirm with the quote. We work on pipe penetrations, joints between fire-resisting walls and floors and cable penetrations, and the failures we are asked to look at most are non-fire-rated filler around services and service penetrations left open after M&E works. Looking for mastic applicators who cover Luton? Mastic Doctor has worked for contractors, FMs and building owners since 2005, with CSCS-carded applicators.
Buildings in a smaller place such as Luton that need fire-rated sealing are typically schools, care homes, surgeries, small offices and flats over shops. Specified fire-rated sealant goes around new services there, built to match the manufacturer’s detail.
The 12-month guarantee covers our workmanship: preparation, application and finish. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.
- Location
- Luton (ME4, ME5, ME7)
- Region
- Medway
- Cover
- 12 months on every job
- Price
- A fixed quote before we start
- Telephone
- 01277 525 020
- Last updated
- 3 November 2026
When something else is needed
Honesty saves time and money. New sealant won’t cure:
- Fire risk assessments, a job for a competent assessor
- Deciding what a wall or floor needs, which belongs to the designer
- Walls or floors that aren’t fire-resisting to begin with
Not sure which it is? You can call the office on 01277 525 020 or use the quote form and we will tell you honestly.
What we seal
- Small duct penetrations where the tested detail allows
- Linear gaps at wall heads
- Service gaps in risers
- Cable penetrations
- Pipe penetrations
- Joints between fire-resisting walls and floors
Fire-rated sealing for Luton buildings
Approved Document B is the English guidance that covers fire stopping around openings and penetrations. References to the older BS 476 classes are being removed from it from 2 September 2029, after which the European classification, BS EN 13501-2, is the route, subject to transitional arrangements. We install whatever has been specified, to the product’s tested detail. The 2 miles around Luton include five care or nursing homes. Where new services have gone through compartment walls in a care setting, the gaps need the specified product.
For a site team at a college like MidKent College Gillingham Campus (1.7 miles north of Luton), fire-rated sealing is best scheduled after the summer works. At a university such as University for the Creative Arts - Rochester, 1.2 miles to the north-west of Luton, labs, lecture blocks and residences are re-serviced often, so penetration seals are best checked after M&E work.
Luton is about 1 mile north of Chatham, in Medway. Any commercial site in Luton is covered. Across Medway, 54 places are covered, Luton among them. We also cover London, some 29 miles away.
We take on service penetrations across the ME4, ME5 and ME7 postcode area, whatever the building. We cover commercial and managed buildings on Mill Lane, Luton Road and Maida Road and the roads nearby. Close to Luton, our area also takes in Hale (1 mile south-east), Chatham (1 mile south), Darland (1 mile south-east), Chatham Waterfront (1 mile north-west) and Capstone (1 mile south-east). Further afield, our area takes in Rainham (3 miles east), Strood (3 miles north-west), Park Wood (3 miles south-east), Hoo St Werburgh (4 miles north), Wigmore (3 miles east) and Wainscott (3 miles north). Luton ranks among the main centres of Medway, with offices, shops, schools and other public and commercial buildings, and we cover them all.
Landmarks near Luton
Around Luton, our work takes us to commercial buildings near The Magpie Tavern, The Victory Academy and Gillingham Park and the streets around them. Nearby too are St Michael the Archangel Church (1 mile north-west) and Hospital and Medical Tuition Service (0.7 miles north-east). The nearest railway station is Chatham station, roughly 1 mile north-west. Well-known places in the area include Medway Maritime Hospital (0.7 miles north) and Rochester Castle (2.1 miles north-west). For a walk, there’s Ranscombe Farm and Blue Bell Hill.
Surface by surface
Masonry and concrete
Core-drilled holes are neat; broken-out ones rarely are. The gap is measured at the widest point so we know it sits within the tested range.
Small ducts
Some fire-rated sealant details cover small ducts. Bigger ducts and fire-resisting ductwork are normally handled with other products and we flag that rather than guess.
What else we do in Luton
Aftercare for building managers
Problems stay small when the joints are checked regularly. Specifically:
- Keep product data and details in the fire safety file
- Leave fire sealant to cure fully before covering it
- Look above ceilings when tiles are lifted for other jobs
- Flag new cables with no seal around them
Don’t patch a fire-rated seal with anything outside its tested detail. A repair should use the original product, installed the same way.
Specify fire stopping early on refits, not as an afterthought. The designer can then choose details that suit the services planned.
How the quote is worked out
Quotes vary with the job. Expect it to depend on:
- Joint width, depth and condition
- How accessible the joints are
- Distance, for remote addresses
- How much existing material needs removing
There’s no price list, because the scope varies so much from one building to the next. Call for a quote and we’ll price your job on its own details.
Before you send an enquiry
To price the job accurately, we need a clear picture of the site. Useful things to include:
- The asbestos register, for older buildings
- Any specification or named product
- Anything awkward about access or site hours
- Photos of the joints, close up and from further back
If there’s a specification, drawings or a tender package, send it with your enquiry, and we’ll price the work to it. Smaller jobs need nothing more than photographs and a few notes.
Our process
Our CSCS-carded applicators arrive with the sealants, primers and backing rod the job calls for. Any old material is cut back to clean, sound faces, the manufacturer’s primer is applied where it’s called for, and the sealant is tooled off neatly. Several jobs near Luton can be grouped on one trip. Tell us your site hours and we will plan around them.
- 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.
- We walk the completed areas with you and confirm the records agreed at quote stage.
Preparing the site
- Explain the parking and delivery arrangements
- Let us know about inductions and permits
- Send any specification or drawings in advance
Ask for a quote
The quickest route to a quote is a few photographs and the site postcode. Upload them with the quote form, or ring 01277 525 020 or email the details over to discuss it first.
Read more
Questions about Luton
Do you work in occupied care homes around Luton?
Yes. We work around residents’ routines, a room or two at a time. Noise and disruption are kept to a minimum.
How does the move away from BS 476 affect penetration seals in Luton?
References to BS 476 classes are being removed from Approved Document B from 2 September 2029, after which BS EN 13501-2 classification is the route, subject to transitional arrangements. Our part doesn’t change: the specified product, to its tested detail.
Do you guarantee your work?
Yes. The 12-month guarantee covers our preparation and application, but not damage, misuse or other trades’ work.
How many days will you need on site?
The duration is planned around your programme and the access we’re given. You’ll have an expected duration with the quote.
Do you cover Luton?
Yes. We cover Luton, within our coverage of Greater London, South East England and Scotland. To discuss a job, call 01277 525 020 or send photos by email.
What happens if old sealant might contain asbestos?
Some older mastics, especially in pre-2000 buildings, can contain asbestos. We check the asbestos register before cutting out old sealant in an older building, and if asbestos is suspected, work stops until it’s tested. Removing asbestos is a job for asbestos specialists, not us.
Who decides which product is used?
If the job is specified, we follow the specification. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.
Common problems we fix in Luton
Physical damage is another reason seals stop doing their job. Maintenance work can knock a seal, cut it back for an extra cable or remove it with an old pipe, and the repair is often skipped.
It’s worth sending us details if you spot any of the following:
- Non-fire-rated filler around services
- Unsealed joints where partitions meet the slab
- Openings left by services added after handover
- Hidden openings found during inspections
At a healthcare site like Medway Maritime Hospital, 0.7 miles to the north of Luton, new services through compartment walls are a constant, and each needs the specified seal.
Comparing quotes
- Can the work be phased to keep areas open?
- Which product they’ll use, and why it suits the joint
- What the guarantee covers, and for how long
- Will failed sealant be removed rather than covered?