
Fire-rated sealing and fire stopping in Mill Hill, Kent
Fire stopping for Mill Hill, from a contractor working since 2005. Fully insured and CHAS accredited.
- Hidden openings found during inspections
- Improvised or mixed-product fire seals
- Damaged fire seals in risers and voids
Fire stopping for Mill Hill sites
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Doing it in-house
The visible bead is only part of the job. Correct depth, the right primer and a sealant matched to the movement are where general trades tend to cut corners.
There’s also the paperwork. Many sites expect CSCS cards, RAMS and proof of insurance, and we’ll confirm the paperwork you need with the quote.
Fire stopping in Mill Hill, done properly
Penetration seals are fire tested to BS EN 1366-3 and linear joint seals to BS EN 1366-4. A rating such as EI 60 only holds when the product is installed as it was tested. So our job is to reproduce that arrangement faithfully. We work on cable penetrations, pipe penetrations and service gaps in risers, and the usual reasons a site gets in touch are penetration schedules that need working through and unsealed joints where partitions meet the slab. Facilities teams, main contractors and managing agents in Mill Hill tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.
Converted and extended buildings around places like Mill Hill can mix old and new construction, so the wall or floor a service passes through isn’t always what the drawings assume. The right product depends on the wall or floor and the services passing through, and we will tell you if the detail calls for something other than sealant.
Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we’re clear about what is covered before work starts.

- Where
- Mill Hill (CT14)
- Wider area
- Kent
- Cover
- A 12-month guarantee
- Quotes
- Fixed quote, scope in writing
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
Leave it or put it right?
A seal that doesn’t match its tested detail gives false comfort. The fix is to remove it and reinstall to the detail. Small buildings around Mill Hill suffer from failed joints as much as large ones. Catching it early means a reseal rather than repairs.
Every site prices differently: the joint sizes, the specified product, access and working hours each have a bearing. A fixed quote follows once we understand the job.
Why us?
- Commercial sealant work since 2005
- Old sealant cut out, never sealed over
- Constructionline member for supplier checks
- Fully insured, including public liability cover
Read how commercial sealant jobs are priced and our accreditations.
Honest limits
We check first that sealant really is the fix. It isn’t the answer for:
- Signing off or certifying a building’s fire stopping
- Walls or floors that aren’t fire-resisting to begin with
- Writing the fire-stopping specification
If in doubt, phone 01277 525 020 or email the details over and we’ll say what we think.
What we seal
- Joints between fire-resisting walls and floors
- Service gaps in risers
- Small duct penetrations where the tested detail allows
- Linear gaps at wall heads
- Pipe penetrations
- Cable penetrations
Fire-rated sealing for Mill Hill buildings
Approved Document B is the English guidance that covers fire stopping around openings and penetrations. 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. What we install is set by the specification, and it goes in to the tested detail. Mill Hill lies roughly 67 miles out from central London. Business park offices in the commuter belt are refitted as tenants change, and each fit-out adds services through compartment walls; the gaps need the specified seal.
Halls and meeting rooms at places like St Richard sometimes gain new services, and any compartment wall crossed needs the specified seal. In a school such as St Mary's Catholic Primary School, fire-rated sealant goes in around service penetrations where it is specified.
Mill Hill is about 1 mile west of Deal, in Kent. Anywhere in CT14, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. Mill Hill is one of 931 places we cover in Kent. London is covered too, some 67 miles away.
Anyone looking for fire stopping in CT14 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. Streets here include Mary Road, Glack Road and Lydia Road. If your building is just outside Mill Hill, we cover Great Mongeham (1 mile west), Deal (1 mile east), Sholden (1 mile north), Sholden Meadows (1 mile north) and Walmer (1 mile south-east). A short drive away, we cover Canterbury (14 miles west), Margate (12 miles north), Dover (6 miles south-west), Folkestone (13 miles south-west), Ramsgate (9 miles north) and Broadstairs (11 miles north).
Near you in Mill Hill
Around Mill Hill, our work takes us to commercial buildings near The Mill Inn, Goodwin Academy and Betteshanger Park and the streets around them. Mill Hill’s nearest station is Walmer station, roughly 0.7 miles south-east of the centre. Other landmarks nearby include Kent Museum of the Moving Image (1.3 miles north-east) and Deal Castle (1.3 miles east).
From enquiry to sign-off
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. Then we strip out anything that has failed, prepare every joint and seal it. If neighbouring businesses or buildings around Mill Hill need work too, visits can be combined. Mention the building’s opening times and we will work within them.
- We start with your penetration schedule, drawings or specification.
- We plan the sequence of floors, risers and voids with you.
- Each opening is checked for wall or floor type, service, gap and depth.
- Unsuitable material is removed and the opening cleaned.
- Backing and fire-rated sealant are installed to the detail and tooled.
- We tell you about openings that need a different product.
Getting the site ready
- Agree which areas must stay open
- For older buildings, check the asbestos register before work
- Let us know about inductions and permits
Get a fixed quote
The quickest route to a quote is a few photos and the site postcode. Upload them with the quote form, or ring 01277 525 020 or email a schedule or drawings to discuss it first.
Read more
Nearby places to Mill Hill
More services for Mill Hill
Building owners, agents and FMs in Mill Hill
Building owners and managing agents use us on everything from one building to a spread of sites around Mill Hill. Several sites can go on one quote, so there’s one set of paperwork to deal with.
Facilities managers want contractors who arrive with the paperwork sorted. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we will confirm with the quote.
Your questions answered
Do you take on work at healthcare sites like Victoria Hospital?
Yes. We work in healthcare settings as well as offices and schools. The estates team’s permit system and infection-control rules come first, and the work is planned around them.
Is Mill Hill too small for you to travel to?
Not at all. Mill Hill is within our area. We work across Greater London and the South East. We plan jobs in smaller places so return trips are kept to a minimum.
Can you work to our specification?
Yes. Include it with the drawings when you ask for a quote, and we’ll price the work to it.
What changes on 2 September 2029?
For buildings in England, Approved Document B removes BS 476 references from 2 September 2029. Classification to BS EN 13501-2 becomes the expected evidence, though transitional rules apply. Scotland follows its own Technical Handbook.
Do you hold third-party fire-stopping installer certification?
No, and we’d rather be clear about that. Some clients require third-party installer schemes even though the law doesn’t, so it’s worth checking what your contract says. Where it isn’t required, we install the specified sealant to the maker’s details.
Is it fine to apply new sealant on top of old?
No, never. Overlaying old sealant is a frequent cause of early failure, so it all comes out first.
Will you sign off the seals for us?
No. Sign-off belongs to the designer or building control, not the installer. We’ll confirm the products and details used, and you can tell us what other records you need at quote stage.
Common problems we fix in Mill Hill
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.
It’s worth sending us details if you spot any of the following:
- Service penetrations left open after M&E works
- Improvised or mixed-product fire seals
- Fire-stopping items raised at inspection or handover
- Old intumescent sealant that has split away
Hotels like Queens Hotel (to the north-east of Mill Hill) are refurbished in phases, and each phase can open up compartment walls.
What to look for in a quote
- Their approach to joint depth and backing
- Health and safety accreditation such as CHAS
- Will CSCS-carded applicators be on site?
- The named product and why it was chosen