Fire-rated sealing and fire stopping in Grahame Park, Greater London
Fire stopping for Grahame Park, from a contractor working since 2005. Fully insured and CHAS accredited.
- Unsealed openings around new pipes and cables
- Seals that don’t match their tested detail
- Fire-stopping items raised at inspection or handover
Need fire stopping in Grahame Park?
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Fire stopping in Grahame Park, done properly
For main contractors, our fire stopping package slots in after the M&E trades have finished in an area. We work from your penetration schedule or marked-up drawings. Tell us what records you need and we will confirm with the quote. We work on pipe penetrations, service gaps in risers and linear gaps at wall heads, and the usual reasons a site gets in touch are improvised or mixed-product fire seals and fire sealant pulled out of the opening. A specialist sealant contractor works differently from a general builder: on jobs in Grahame Park, preparation and product choice get the time they need.
After a fit-out or new cabling in a London building, risers and ceiling voids are where open service gaps tend to be found. Fire-rated sealant goes in where it’s the specified item; where a collar, wrap or batt is called for instead, we flag it.
A 12-month guarantee applies to all our work. If an installation problem shows up, speak to us on 01277 525 020 or email the details over and we will arrange a return visit.
- Place
- Grahame Park (NW9, NW7, NW4)
- Wider area
- Greater London
- Cover
- A 12-month guarantee
- Quotes
- Fixed quote, scope in writing
- Call
- 01277 525 020
- Updated
- 3 November 2026
Work for main contractors and building owners
We work for building owners and managing agents on sealant work across single buildings or whole portfolios. Several sites can go on one quote, so there’s one set of paperwork to deal with.
When you manage a building on behalf of an owner, you need clear quotes and clear reporting. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative, plus a 12-month guarantee.
FAQs: Grahame Park
Can you seal around new services in a hotel near Grahame Park?
Yes, where the specification calls for fire-rated sealant. Work is done room by room so the hotel keeps trading; design and sign-off stay with the designer and building control.
Would you work within a site like BMI Hendon Hospital?
Yes, healthcare and care buildings are part of our work. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.
Do you offer coloured sealant?
Often, yes. Sealants are made in a wide range of standard colours, and matching to RAL references or nearby finishes is commonly requested. We confirm what’s available for the specified product when we quote.
What’s the quickest route to a quote?
You can use the quote form on this site; alternatively, phone 01277 525 020 or email a schedule or drawings. Photos, drawings or a joint schedule help us quote quickly.
When can the area be used after sealing?
Curing time varies by product, and we confirm it on the day, and flag anything to keep off until it has cured.
How do you deal with asbestos in old sealant?
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.
How long do sealant joints last?
It depends on movement, UV and weather, cleaning, traffic and the product. Sealant joints are maintenance items, so inspect them regularly.
Why it’s worth doing now in Grahame Park
A seal that doesn’t match its tested detail gives false comfort. The fix is to remove it and reinstall to the detail. Repeat call-outs disrupt occupied London buildings, so a proper job first time, with the old sealant fully removed, is worth it.
No two sites price the same: joint size, product, access and site hours all play a part. Send the details and a fixed figure follows.
Why clients in Grahame Park choose us
- Commercial sealant work since 2005
- Workmanship guaranteed for 12 months
- Failed material removed, not covered up
- Clear, fixed quotes
Read how commercial sealant jobs are priced or our accreditations.
Diagnose, treat, sign off
Working in a building that stays open takes some planning. The work area is signed and kept contained, with routes through the building left open and move on in phases so staff and visitors can carry on around us. Planning a London job such as one in Grahame Park starts with access. Give us the hours we can be on site and we’ll schedule to suit.
- First we confirm the product and tested details named in the specification.
- 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.
Getting the site ready
- Share your working hours and any access restrictions
- Confirm the product named in the specification
- Clear stock, furniture or equipment away from the joints
Quotes
Specifications, drawings and tender packages are welcome with any enquiry, and we will price the work to it. For smaller jobs, photographs and a description will do.
Advice
Fire stopping around Grahame Park: what changes locally
In London buildings, frequent fit-outs and M&E changes are a common reason fire stopping gets breached. Penetrations are sealed with the specified product, to its tested detail, under the building’s own permit rules. Two care or nursing homes sit less than 2 miles from Grahame Park. Care settings depend on compartmentation, so service penetrations made during maintenance or refurbishment need sealing with the specified product. Where that’s fire-rated sealant, we install it to the manufacturer’s tested detail.
In a hotel such as Hendon Hall Hotel, 1.1 miles to the east of Grahame Park, new pipework or cabling through bedroom and corridor walls needs sealing with the specified product. At a university such as Middlesex University (less than half a mile south of Grahame Park), labs, lecture blocks and residences are re-serviced often, so penetration seals are best checked after M&E work. In a building such as St Augustine Grahame Park, any service penetration through a fire-resisting wall should be sealed to the specified detail.
Grahame Park is about 1 mile south-east of Burnt Oak, in Greater London. Any commercial site in Grahame Park is covered, whether it’s a single job or part of a planned programme. Across Greater London, 764 places are covered, Grahame Park among them. For work in that direction, see our London page (9 miles or so).
Anyone looking for fire stopping in NW9, NW7 and NW4 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. If your site is on Hall Lane, Booth Road and Harrier Road or close by, we can quote for service penetrations. Main routes into Grahame Park include the M1. We also cover Burnt Oak (1 mile north-west), Mill Hill (1 mile north), The Hale (2 miles north-west), Edgware (2 miles north-west) and Little Stanmore (2 miles west). Nearby towns on our patch include London (9 miles south-east), City of Westminster (7 miles south-east), Marylebone (7 miles south-east), Kensington (7 miles south), St Pancras (7 miles south-east) and Shoreditch (9 miles south-east).
What’s near Grahame Park
Locally, jobs take us to sites close to Sunny Hill Park, Blessed Dominic Catholic Primary School and The Greyhound pub. Grahame Park’s nearest station is Mill Hill Broadway station, about 0.9 miles north. Other landmarks nearby include Broadwalk Centre (1.7 miles north-west) and Church Farmhouse Museum (0.8 miles south-east). The countryside around Grahame Park includes Copthall South Fields and Parliament Hill.
Also near Grahame Park
Other services in Grahame Park
Honest limits
Honesty saves time and money. New sealant won’t cure:
- Gaps in walls that were never built as compartment walls
- Deciding what a wall or floor needs, which belongs to the designer
- Signing off or certifying a building’s fire stopping
Not sure which it is? You can call 01277 525 020 or send details through our quote form and we will tell you honestly.
What we seal
- Service gaps in risers
- Small duct penetrations where the tested detail allows
- Linear gaps at wall heads
- Joints between fire-resisting walls and floors
- Cable penetrations
- Pipe penetrations
Keeping the joints sound
Your facilities or cleaning team can help the joints last. Share these points with them:
- Don’t let anyone top up a fire seal with the wrong product
- Record which product was used where
- Agree the fire-stopping specification before services go in
- Include service cupboards in routine inspections
Keep the product data and installation details with the building’s fire safety information. It makes later repairs much easier to match.
On fit-outs, get the fire-stopping specification agreed before the services go in. The designer can then choose details that suit the services planned, and installation follows the programme.
What the job involves on each surface
Linear joints
Head-of-wall gaps, slab edges and wall junctions are linear joints. BS EN 1366-4 testing sets the joint widths, depths, backing and movement a seal covers, and we work within it.
Cables and cable bundles
Cable penetrations are frequently sealed with fire-rated sealant where the detail allows. The detail limits bundle size and the gaps between and around cables and we work within those limits.