Fire Stopping in Park Royal
Fire-rated and intumescent sealing of service penetrations and linear gaps throughout Park Royal and nearby, carried out by CSCS-carded applicators. Fully insured and CHAS accredited.
- Fire-rated sealant that has cracked or shrunk back
- Head-of-wall gaps with no fire seal
- Builders’ foam or ordinary silicone in compartment walls
Fire stopping across Park Royal
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 Park Royal
No fire sealant works on its own: the evidence covers a specific product, wall or floor type, service, gap, depth and backing. Before we seal anything, we check the opening against the detail it is meant to follow, and we say so if it doesn’t fit. The enquiries we see most involve seals that don’t match their tested detail and openings left by services added after handover, across small duct penetrations where the tested detail allows, service gaps in risers and linear gaps at wall heads. One point of contact handles commercial sealant work in Park Royal from the first photographs to the final walk-round, for single jobs and planned programmes alike.
In London, higher-risk residential buildings under the Building Safety Act bring extra scrutiny of fire-stopping records. We install what the designer or fire engineer has specified, and if you need records of the work, tell us and we will confirm with the quote.
Building owners and contractors get the same cover: twelve months on the work we carried out. It doesn’t extend to damage, faults in the building or work by others, and we’re upfront about that.
- Location
- Park Royal (NW10, W3, W5)
- Region
- Greater London
- Cover
- 12 months on our workmanship
- Quotes
- A fixed quote before we start
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
Park Royal: questions and answers
Would you work within a site like Central Middlesex Hospital?
Yes, healthcare and care buildings are part of our work. Each area is agreed with the ward or department and the estates team in advance.
Is Western Avenue Business Park, near Park Royal, within your area?
Yes. Our area takes in Park Royal and its surroundings, with estates and business parks such as Western Avenue Business Park included. To start, just ring 01277 525 020 or email us with the unit, the joints involved and your access times.
Do you certify or sign off fire stopping?
No. Approval sits with the designer, principal designer or building control. We’ll confirm the products and details used, and you can tell us what other records you need at quote stage.
What happens if old sealant might contain asbestos?
The duty to manage asbestos sits with the building’s dutyholder, so for older buildings we ask for the asbestos register first. Work pauses if suspect material is found, until it has been tested.
Can you fire stop behind the services contractors?
Yes, where there is a specification for those walls and floors. New services after M&E works often breach existing seals.
Is Park Royal in your area?
Yes. Park Royal falls within our area, and the simplest way to start is to phone 01277 525 020 or use the quote form.
Do you take on small jobs?
Whatever the size, the process is the same: send details, get a fixed quote, we seal, guaranteed.
What we can’t put right
Sealant solves a lot, but not everything, and we’re upfront when that’s the case. It won’t fix:
- Fire risk assessments, a job for a competent assessor
- Signing off or certifying a building’s fire stopping
- Designing or specifying fire stopping, which sits with the designer or fire engineer
Not sure which it is? You can phone 01277 525 020 or send details through our quote form and we will tell you honestly.
Where we work in Park Royal
- Pipe penetrations
- Linear gaps at wall heads
- Small duct penetrations where the tested detail allows
- Cable penetrations
- Service gaps in risers
- Joints between fire-resisting walls and floors
Places near Park Royal
Also in Park Royal
What the job involves on each surface
Cables and cable bundles
Data cabling added after handover is a regular cause of open service penetrations. We reseal around them to the specified detail, and any bundle too large for sealant alone is flagged.
Linear joints
Linear joints run along the head of a wall, at a slab edge or between two fire-resisting elements. Their tested detail, under BS EN 1366-4, sets the width, depth, backing and movement allowed.
Leave it or put it right?
An open or wrongly sealed service penetration lets fire and smoke reach the next compartment much sooner than the building was designed for. Putting it right is usually a modest job when the openings are accessible. Left until ceilings are closed or a tenant moves in, the same work costs more access and more disruption. In Park Royal, each extra visit means more notices, permits and disruption, so a proper job first time, with the old sealant fully removed, is worth it.
Cost follows what’s involved: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a fixed quote.
Why us?
- 12 months’ guarantee on every job
- Constructionline member
- Over 20 years of commercial sealing
- Fixed quotes based on photos, drawings or a visit
Take a look at how commercial sealant jobs are priced or our accreditations.
Maintenance after handover
Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. We suggest:
- File the specified details where the next contractor can find them
- Treat an open penetration as a priority repair
- Ask which product is in place before decorating
- Keep general-purpose fillers away from compartment walls
Never top up a fire seal with foam, ordinary silicone or filler. A repair should use the original product, installed the same way, or a new specification from the designer.
Write fire stopping into the scope of any work crossing a compartment wall or floor. Then the seal goes in while the area is open.
Signs you need fire stopping in Park Royal
On a busy project, programme pressure can mean fire stopping is rushed or left to whichever trade is closest. That is when untested combinations creep in and later need putting right.
If one of these sounds familiar, it’s time for a closer look:
- Builders’ foam or ordinary silicone in compartment walls
- Open linear gaps along the top of fire-resisting walls
- Fire seals cut back for extra cables and never reinstated
- Fire sealant pulled out of the opening
Tenant changes at centres like Stadium Retail Park (2.3 miles north of Park Royal) often mean new services through walls between units.
Before you book anyone
- The named product and why it was chosen
- Are they CHAS accredited or on Constructionline?
- How long is the guarantee, and what does it include?
- Will CSCS-carded applicators be on site?
Service penetrations in Park Royal buildings
Park Royal has a good number of hotels close by, all within 2 miles. Bedroom-to-corridor walls in hotels are normally fire-resisting, so new cabling or pipework through them has to be sealed to the tested detail. Park Royal has two care or nursing homes no more than 2 miles away. Where new services have gone through compartment walls in a care setting, the gaps need the specified product.
Large healthcare estates like Central Middlesex Hospital (less than half a mile north-east of Park Royal) change their services often, so penetration seals are worth checking after M&E work. For an estates team at a campus like University of West London, 2 miles south-west of Park Royal, summer M&E works are usually followed by a round of penetration sealing.
Park Royal is about 1 mile south-west of Harlesden, in Greater London. If you’re looking for fire stopping in Park Royal, we can help. Our Greater London coverage takes in 764 places, from busy centres to rural villages. For work in that direction, see our London page.
Commercial sites across NW10, W3 and W5 are covered. Buildings on Dukes Road, Abbey Road and Grieg Road are within our area. If your building is just outside Park Royal, we cover West Twyford (1 mile north-west), Hanger Hill (1 mile south-west), Stonebridge (1 mile north), Stonebridge Park (1 mile north) and Old Oak Common (1 mile east). Nearby towns on our patch include London (8 miles east), City of Westminster (5 miles east), Marylebone (5 miles east), Kensington (4 miles south-east), St Pancras (7 miles east) and Shoreditch (8 miles east).
Around Park Royal
Recent enquiries here include premises near St. Raphael's Edible Garden, Grand Junction Arms and The Ellen Wilkinson School for Girls, among other places. Also close by are Library for Iranian Studies (1.5 miles south) and The Ellen Wilkinson School for Girls (1.1 miles south-west). Park Royal’s nearest station is Harlesden station, about 0.8 miles north-east. Well-known places in the area include London Designer Outlet (2 miles north) and London Transport Museum Depot (1.7 miles south). The countryside around Park Royal includes Castlebar Hill and Kew Gardens Lake.
Diagnose, treat, sign off
A typical day starts with protection: tape along each joint edge and covers over finishes, stock and equipment close by. On site, the work normally takes anything from one day to a planned run of visits, depending on the number of seals and the access, and our waste is bagged and taken away as we go. All of Greater London is in the ULEZ, and kerbside space in Park Royal can be scarce. Let us know about any on-site parking or loading arrangements when you send the job details.
- We read the specification, drawings or penetration schedule you send and ask about anything unclear.
- Every penetration is compared with its detail: wall or floor type, service, gap size and depth.
- Anything that doesn’t belong in the opening, such as expanding foam or general-purpose filler, is removed.
- Mineral wool or other backing goes in wherever the detail asks.
- Fire-rated or intumescent sealant is gunned in to the specified depth, then tooled.
- If an opening needs something other than sealant, we tell you instead of improvising.
Before we start on site
- For older buildings, check the asbestos register before work
- Agree which areas must stay open
- Let building users know which areas are affected
Getting a fixed quote
Specifications, drawings and tender packages are welcome with any enquiry, and we will price against exactly what is specified. For smaller jobs, photos and a description will do.