The Mastic Doctor team standing beside their branded vans outside an office building
Greater London · England

Fire-rated sealing and fire stopping in Brook Green, Greater London

Our CSCS-carded applicators take on fire-rated and intumescent sealing of service penetrations and linear gaps in Brook Green. Send photographs or drawings for a fixed quote.

  • Open linear gaps along the top of fire-resisting walls
  • Damaged fire seals in risers and voids
  • Openings left by services added after handover
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
South East, London & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Fire stopping in Brook Green

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

About our fire stopping in Brook Green

Where pipes, cables and other services cross a compartment wall or floor, the opening around them has to be closed so fire and smoke can’t move between compartments. Our part is installing fire-rated and intumescent sealant at those openings and along linear gaps, where the specification calls for it. Each seal follows the manufacturer’s tested detail, not a rule of thumb. We work on service gaps in risers, cable penetrations and small duct penetrations where the tested detail allows, and the failures we are asked to look at most are seals disturbed by maintenance and left open and non-fire-rated filler around services. For commercial sealant work in Brook Green, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.

London has many occupied offices, blocks and mixed-use buildings where services are added and rerouted all the time. Each service penetration gets fire-rated or intumescent sealant if that’s what is specified, laid to the product’s tested arrangement.

We sign every job off with a 12-month guarantee. The promise is simple: if the work we did fails within twelve months, we return to fix it.

Location
Brook Green (W6, W14, W12)
Region
Greater London
Guarantee
A 12-month guarantee
Quotes
Quoted before any work starts
Telephone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

FAQs: Brook Green

How does the removal of BS 476 from Approved Document B affect fire-rated sealing in Brook Green?

Approved Document B loses its BS 476 references from 2 September 2029, and BS EN 13501-2 becomes the route, subject to transitional arrangements. Our part doesn’t change: the specified product, to its tested detail.

Do you cover business parks and estates near Brook Green, such as Berghem Mews Business Village?

Yes. Our area takes in Brook Green and its surroundings, with estates and business parks such as Berghem Mews Business Village included. Photos and a short description are enough for a first look.

How long does a job like this take?

The duration is planned around your programme and the access we are given. You will have an expected duration with the quote.

What do you charge?

That depends on the job: the volume of work, the access, the specified product and how it’s phased. Call for a fixed quote and we’ll price it properly.

Can you work while the building is occupied?

Typically, yes. We phase the work so most of the building stays in use, with each area protected and signed.

Is any job too small?

Small jobs are welcome alongside larger packages. Photos and a description are enough to start.

Is your workmanship covered by a guarantee?

Yes. The 12-month guarantee covers our preparation and application, but not damage, misuse or other trades’ work.

Quoting for work in Brook Green

To price the job, we consider:

  • The site’s rules and procedures
  • Removal of failed or old sealant
  • The size and state of each joint
  • How accessible the joints are

Larger quantities, tricky access or phasing all shape the price. So do site requirements such as inductions and permits.

What we need to price the job

It doesn’t need to be a full survey. A few details are enough to get going:

  • Anything awkward about access or site hours
  • A wide shot and a close-up of the area
  • What the building is and how it’s used
  • Rough lengths or quantities, or drawings if you have them

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.

Honest limits

Before quoting, we check that sealant is the right answer. It won’t put right:

  • Issuing fire ratings or certificates for seals
  • Reviewing a building’s overall fire safety
  • Walls or floors that aren’t fire-resisting to begin with

If you are not sure, just speak to us on 01277 525 020 or email a schedule or drawings and we will give you a straight answer.

Joints and surfaces we work on

  • Cable penetrations
  • Pipe penetrations
  • Small duct penetrations where the tested detail allows
  • Service gaps in risers
  • Linear gaps at wall heads
  • Joints between fire-resisting walls and floors

When to call us in Brook Green

When a seal departs from its tested detail, the evidence no longer covers it. An oversized gap, too shallow a bead, missing backing or two makers’ products combined are the usual culprits.

If one of these sounds familiar, it’s time for a closer look:

  • Unsealed openings around new pipes and cables
  • Unsealed joints where partitions meet the slab
  • Non-fire-rated filler around services
  • Openings found when ceilings come down for a refit

Workshops and IT rooms at colleges like St Mellitus Theological College, 1.4 miles to the east of Brook Green, are re-serviced often, leaving penetrations to seal.

What your quote should include

  • Proof of insurance
  • Which product they’ll use, and why it suits the joint
  • Whether their applicators hold CSCS cards
  • Their plan for phasing and protecting the area

Questions to ask before you appoint anyone

Where services cross fire walls in Brook Green

For England, the fire stopping of penetrations is dealt with in Approved Document B. The national BS 476 classes are due to drop out of it from 2 September 2029, leaving the European BS EN 13501-2 route, subject to transitional arrangements. We install whatever has been specified, to the product’s tested detail. The area within 2 miles of Brook Green holds plenty of hotels. In hotels, bedroom and corridor walls are normally fire-resisting, so services added in a refit need sealing with the specified product.

Tenant changes at centres like Kensington Arcade, 1.3 miles east of Brook Green, often mean new services through walls between units. Theatres, wards and plant rooms at sites like Charing Cross Hospital (to the south of Brook Green) all have compartment walls crossed by services.

Brook Green is about 1 mile west of Kensington, in Greater London. Looking for fire stopping in Brook Green? We can help, as we do across Greater London. Across Greater London, 764 places are covered, Brook Green among them.

If you need fire stopping in W6, W14 and W12, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. We cover commercial and managed buildings on Adie Road, Rowan Road and Anley Road and the roads nearby. If your building is just outside Brook Green, we cover Hammersmith (1 mile west), Brackenbury Village (1 mile west), North End (1 mile south-east), West Kensington (1 mile south-east) and Fulham (1 mile south-east). Nearby towns on our patch include London (5 miles east), City of Westminster (3 miles north-east), Marylebone (3 miles north-east), St Pancras (5 miles north-east), Shoreditch (6 miles east) and Walthamstow (11 miles north-east).

Near you in Brook Green

Around Brook Green, our work takes us to commercial buildings near Queen's Head pub, Sacred Heart High School and Polish Library POSK in London. You will also find Corona Theatre School (0.6 miles west) and St Paul's Gardens (under half a mile south-east). Brook Green’s nearest station is Kensington Olympia station, roughly 0.5 miles east of the centre. A little further out are Culture House (0.6 miles north) and Hammersmith Broadway (less than half a mile south-west). The countryside around Brook Green includes WWT London Wetland Centre and Campden Hill.

Map of Brook Green © OpenStreetMap contributors

Different surfaces, different methods

Small ducts

We seal around ducts only within what the tested detail covers. The ductwork, its supports and any dampers are for the ductwork contractor.

Risers and ceiling voids

Voids hide a lot of unsealed openings. We follow your schedule area by area, and note anything we find that isn’t on it.

How a job runs

On arrival, we report to your site contact and complete whatever induction the building runs. Floors, finishes and fittings next to the joints are covered before any cutting starts, and the work typically takes a single visit for a short list of penetrations, or a phased programme for a whole building. The ULEZ covers the whole of Greater London, and parking near a job is rarely simple. If there’s a loading bay, a car park or a permit we can use, tell us when you send details.

  1. We start with your penetration schedule, drawings or specification.
  2. Access, permits and the order of areas are agreed with the site team.
  3. Each opening is checked for wall or floor type, service, gap and depth.
  4. Foam, ordinary sealant and debris come out first.
  5. The specified backing and sealant go in to depth and are finished neatly.
  6. We tell you about openings that need a different product.

Preparing the site

  • Point out parking and an unloading spot
  • Tell us your opening times and when work is allowed
  • Let us know about inductions and permits

Quotes

For a fixed quote, call the office on 01277 525 020 or send details through our quote form, telling us the site location and the nature of the job. Our quote form is another easy route.

Get a quick quote

Related advice

After the work

Regular inspection catches problems early. In particular:

  • Make fire stopping part of every scope that crosses a fire-resisting wall
  • Keep product data and details in the fire safety file
  • Foam or ordinary sealant is never a fire-seal repair
  • Ask the designer to confirm details early on refits

Store the specified product details somewhere the next contractor can find them. It makes later repairs much easier to match.

Looking at service areas on a regular cycle pays off. Catching a damaged seal early keeps the fix small compared with dozens found at once.

Accreditations

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