Fire stopping in Iver
Fire stopping in Iver, backed by over 20 years in commercial sealing. Fully insured and CHAS accredited.
- Old intumescent sealant that has split away
- Penetration schedules that need working through
- Head-of-wall gaps with no fire seal
Fire stopping in Iver
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Fire stopping in Iver
Facilities managers in Iver often find open service penetrations when ceilings come down for other work. If a specification already covers those walls and floors, we can reseal to it. With no specification in place, the first step sits with your designer or fire engineer, not with us. If you are dealing with openings found when ceilings come down for a refit and unsealed openings around new pipes and cables, we can help. Most enquiries from Iver start with one failed joint and grow into a wider look at the building: we look at the rest while we’re there and tell you what we find.
A job near Iver is normally planned around one visit, with the specification and photos sent in advance. We install to the specification and the manufacturer’s guidance, leaving design and sign-off with the designer and building control.
We stand behind the joints we seal: 12 months, guaranteed. That covers our preparation and application, and we come back if anything isn’t right.
- Where
- Iver (SL0)
- Wider area
- Buckinghamshire
- Guarantee
- 12 months on every job
- Quotes
- Quoted before any work starts
- Call
- 01277 525 020
- Updated
- 3 November 2026
Site staff or a sealant specialist?
Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and our CSCS-carded applicators are used to working under those rules.
The visible bead is only part of the job. Correct depth, the right primer and a sealant matched to the movement are easy to get wrong without experience.
Where services cross fire walls in Iver
Approved Document B is the English guidance that covers fire stopping around openings and penetrations. 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. Central London is about 18 miles from Iver. Offices around the capital are refitted often, and the cabling that follows can breach fire-resisting walls.
Theatres, wards and plant rooms at sites like Hillingdon Hospital (to the east of Iver) all have compartment walls crossed by services. Campus buildings at universities such as Brunel University of London, 1.8 miles north-east of Iver, see constant changes to data and services, and fire-rated sealant goes in around new penetrations where it is specified. Colleges such as Slough & Langley College, 1.9 miles to the south-west of Iver, add IT and services as courses change, and each new penetration through a fire-resisting wall needs sealing with the specified product.
Iver is about 3 miles south-west of Hillingdon, in Buckinghamshire. Businesses, contractors and managing agents in Iver use us for work on service penetrations, as part of our coverage of Buckinghamshire. Our Buckinghamshire coverage takes in 308 places. For work in that direction, see our London page.
We cover the SL0 postcode districts. Among the streets we cover are High Street, Woodcock Way and Dutton Way, and sites on any of them can send details for a fixed quote. Nearby places we also cover include Shreding Green (1 mile west), Richings Park (1 mile south), Iver Heath (1 mile north-west), George Green (2 miles west) and Langley (2 miles south-west) for service penetrations. Nearby towns on our patch include High Wycombe (13 miles north-west), Chesham (14 miles north), Marlow (12 miles west), Amersham (11 miles north), Beaconsfield (9 miles north-west) and Chalfont St Peter (6 miles north).
Local landmarks in Iver
We work on buildings around Uxbridge High School, The Chequers pub and West Middlesex College, among other places. The closest station to Iver is Iver station, about 0.8 miles south of the centre. Other landmarks nearby include Windsor Castle (4.8 miles south-west) and Hillingdon Hospital (2.1 miles east). Green spaces nearby include Uxbridge Moor.
Why it’s worth doing now in Iver
Open penetrations multiply: every new cable or pipe adds another. A schedule that is dealt with regularly stays manageable and avoids a much larger catch-up later. Halls, stores and units around places like Iver may not be checked every day, so a failed joint can leak for a while before anyone sees it. Resealing early avoids that.
The price depends on the quantity of joints, how much old material needs removing and how the joints are reached. Call for a fixed quote when you’re ready.
Why appoint us
- Over 20 years of commercial sealing
- Fully insured
- Workmanship guaranteed for 12 months
- Health and safety: CHAS accredited
Read our cost guide or how we’re accredited.
When it isn’t the sealant
Some faults sit outside our scope, and we say so rather than covering them up:
- Issuing fire ratings or certificates for seals
- Plastic pipes whose detail calls for a collar or wrap
- Reviewing a building’s overall fire safety
Not sure which it is? You can speak to us on 01277 525 020 or email a schedule or drawings and we will tell you honestly.
Surfaces we seal
- Small duct penetrations where the tested detail allows
- Pipe penetrations
- Linear gaps at wall heads
- Cable penetrations
- Joints between fire-resisting walls and floors
- Service gaps in risers
Questions about Iver
Do you take on work at healthcare sites like Hillingdon Hospital?
Yes. Healthcare sites are among the places we work. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.
Will you plan work around the academic year at somewhere like Brunel University of London?
Yes. We plan campus work around teaching, exams and residence turnarounds. Tell us which site documents you need, such as RAMS, our insurance certificate or CSCS details, and they’re confirmed with the quote.
Do you design or specify fire stopping?
No. The specification comes from your designer, fire engineer or building control. Our role is fitting the specified fire-rated sealant, following the maker’s tested details.
Do you guarantee your work?
Yes. It runs for twelve months and covers how we prepared and sealed the joints, though not damage or work by other trades.
Which standards are fire seals tested to?
BS EN 1366-3 covers penetration seals and BS EN 1366-4 covers linear joints. Results are classified under BS EN 13501-2 as E for integrity and I for insulation, with a time such as EI 60 or EI 120. That rating only holds when the product is installed to its tested detail.
How do I request a quote?
There are four steps: send details, get a quote, we seal, guaranteed. Step one needs little more than photos and a postcode.
Do you take on small jobs?
Whatever the size, the process is the same: send details, get a fixed quote, we seal, guaranteed.
On site: what to expect
Where the site stays busy, we agree a sequence with your contact so the disruption stays in one area at once. Each area is protected, prepared and sealed before the next one starts. Jobs in and around smaller places like Iver are typically planned as a single visit, so we ask for photographs and rough sizes first. Then the right materials arrive with us.
- 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 so the seal starts clean.
- The specified backing and sealant go in to depth and are finished neatly.
- Anything outside the detail is reported to you rather than sealed.
Before we start on site
- Agree which areas must stay open
- Make sure the joints can be reached
- Share your working hours and any access restrictions
Quotes
The quickest route to a quote is a few photographs and the site postcode. Upload them with the quote form, or phone 01277 525 020 or send details through our quote form if you’d rather talk the job through.
Read more
Surface by surface
Plastic pipes
Waste and drainage pipes through floors are a frequent case. The detail decides whether sealant alone is enough, and we will never swap a specified collar for sealant.
Drylining partitions
Service holes through plasterboard are frequently oversized or ragged. An oversized hole may be outside the sealant’s range and we will tell you what the detail says instead.
Maintenance after handover
To get the most from the new sealant:
- Agree the fire-stopping specification before services go in
- File the specified details where the next contractor can find them
- Put resealing into every M&E and fit-out package
- Flag new cables with no seal around them
Allow the manufacturer’s stated cure time before boxing in or decorating. Not every fire-rated product can be painted, and the data sheet says which.
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 the work runs in step with the M&E.