
Bonchurch fire stopping
Fire stopping in Bonchurch, backed by over 20 years in commercial sealing. Fully insured, with a 12-month guarantee.
- Improvised or mixed-product fire seals
- Penetration schedules that need working through
- Head-of-wall gaps with no fire seal
Fire stopping for businesses in Bonchurch
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Owners, agents and contractors
Main contractors use us as their sealant subcontractor on new-build and refurbishment projects. Programme, specification and site rules come first, and our applicators hold CSCS cards.
Planned maintenance programmes are welcome: resealing failed joints building by building, on a schedule that suits your budget. Bonchurch can form part of a wider programme.
Fire stopping for commercial buildings in Bonchurch
We are commercial sealant applicators, CHAS accredited and a Constructionline member, with CSCS-carded applicators on site. We hold no third-party fire-stopping installer certificate and we’d rather say that up front. We install the specified fire-rated sealant to its tested detail, and our workmanship carries a 12-month guarantee. We work on service gaps in risers, small duct penetrations where the tested detail allows and cable penetrations, and the failures we’re asked to look at most are damaged fire seals in risers and voids and open linear gaps along the top of fire-resisting walls. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Bonchurch is the same: the right product in a properly prepared joint.
A job near Bonchurch is normally planned around one visit, so send the specification and photographs first. Design and sign-off belong to the designer or building control; we install what’s specified.
Every job ends the same way: guaranteed. Our workmanship is backed for 12 months, and we explain exactly what that covers when we quote.
- Location
- Bonchurch (PO38)
- Region
- Isle of Wight
- Cover
- A 12-month guarantee
- Quotes
- Quoted before any work starts
- Call
- 01277 525 020
- Page updated
- 3 November 2026

Common questions from Bonchurch clients
How does the removal of BS 476 from Approved Document B affect fire-rated sealing in Bonchurch?
From 2 September 2029, Approved Document B drops its BS 476 references in favour of BS EN 13501-2 classification, with transitional arrangements. Whichever applies, we install the specified product to its tested detail; the specification is for the designer to set.
Would you work within a site like Arthur Webster Memorial Hospital for Children?
Yes, healthcare and care buildings are part of our work. Work is phased so departments keep running, under the site’s own rules.
Do you seal on top of existing sealant?
No, never. Overlaying old sealant is a frequent cause of early failure, so it all comes out first.
Can weather delay the job?
It can, for external work. Sealant won’t bond properly to a wet or frosty joint, so external work may be moved if conditions aren’t right. Indoors, the weather is rarely a problem.
What if there’s asbestos in the old mastic?
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.
Do you take on multi-site work?
Yes. Several buildings can share a single quote, with one point of contact.
How do we ask for a quote?
It works in four steps: send details, get a quote, we seal, guaranteed. The first step only needs photographs and a postcode.
Should maintenance staff do it?
Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.
What you see is the finished bead, but most of the work is hidden. Correct depth, the right primer and a sealant matched to the movement are where general trades tend to cut corners.
Also near Bonchurch
Also in Bonchurch
Fire-rated sealing for Bonchurch buildings
Approved Document B is the English guidance that covers fire stopping around openings and penetrations. Its BS 476 references are being withdrawn from 2 September 2029, with BS EN 13501-2 classification taking over, subject to transitional arrangements. What we install is set by the specification, and it goes in to the tested detail. The area within 2 miles of Bonchurch holds a good number of hotels. A hotel refit often runs new services through compartment walls between bedrooms and corridors, and each opening needs the specified seal.
For a unit at a site such as Ventnor Industrial Estate (1.2 miles west of Bonchurch), new power or data runs between office and warehouse can breach a compartment wall. In a building such as Old St. Boniface Church, any service penetration through a fire-resisting wall should be sealed to the specified detail. Hospital estates such as Arthur Webster Memorial Hospital for Children (to the north of Bonchurch) are divided into fire compartments, and any service penetration through them should be sealed to the specified, tested detail.
Bonchurch is about 2 miles south of Shanklin, in the Isle of Wight. Businesses, contractors and managing agents in Bonchurch can call on us for service penetrations, as part of our coverage of the Isle of Wight. Across the Isle of Wight, 125 places are covered, including Bonchurch. We also cover Portsmouth, around 15 miles from Bonchurch.
Work on service penetrations is covered throughout PO38, whatever the building. We cover commercial and managed buildings on Shore Road, Leeson Road and Bonchurch Village Road and the roads nearby. We also cover Luccombe Village (1 mile north), Ventnor (1 mile west), Steephill (2 miles west), Wroxall (2 miles north-west) and Shanklin (2 miles north). Nearby towns on our patch include Newport (9 miles north-west), Ryde (9 miles north), Cowes (12 miles north-west), Sandown (4 miles north), East Cowes (12 miles north-west) and Oakfield (8 miles north). Where a site is remote or on an island, travel and materials need planning ahead, so include the location in your enquiry.
Near you in Bonchurch
We work on buildings around Bonchurch Inn. The nearest railway station is Shanklin station, about 2.4 miles north of the centre. Nearby you’ll also find Sandown Castle (4.3 miles north) and Arthur Webster Memorial Hospital for Children (2.5 miles north). Green spaces nearby include Alverstone Mead and St Boniface Down.
Different surfaces, different methods
Plastic pipes
In a fire, plastic pipework melts away and leaves an opening. Some intumescent sealants are tested on smaller plastic pipes, but many need a collar or wrap. We confirm material and size first and tell you if sealant isn’t the right product.
Cables and cable bundles
Cable penetrations are frequently sealed with fire-rated sealant where the detail allows. Bundle size, cable type and the space between cables all matter, so we check before sealing.
Cost factors for service penetrations
What shapes the price:
- Specialist products, such as fire-rated or hygienic sealants
- Site requirements such as inductions and permits
- The size and state of each joint
- Whether the work must be split into stages
What a job costs comes down to how many linear metres there are, how much old material needs removing and the access. Call for a quote when you’re ready.
Details that help us quote
We can often quote from photographs and a few details. Please tell us:
- The site address and postcode
- The product your specification calls for
- Anything awkward about access or site hours
- A wide shot and a close-up of the area
A good quote starts with a clear picture: the joints involved, quantities, access and the product called for. Share whatever details you have and we will fill any gaps with a visit.
On site: what to expect
Tell us your site hours and access windows and we will plan around them. While we’re working, the area stays contained and tidy, and we check in with your contact before moving on to each new area. Jobs in and around smaller places like Bonchurch are usually planned as a single visit, so we ask for photos and rough sizes first. Then the right materials arrive with us.
- 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.
- Unsuitable fillers and loose debris are taken out of each opening.
- We fit the backing the detail asks for, to the stated depth.
- Fire-rated or intumescent sealant is gunned in to the specified depth, then tooled.
- Openings that need a collar, wrap, batt or other product are flagged to you rather than filled with sealant.
Getting the site ready
- Clear stock, furniture or equipment away from the joints
- Let building users know which areas are affected
- Point out parking and an unloading spot
Quotes
Need a figure for a tender or a budget? Send the scope and any drawings, and we’ll return a fixed quote that you can work with. If you have questions first, call 01277 525 020 or send photos by email.
Advice
Honest limits
A few problems need another trade or a different fix, and we point that out rather than sealing over them:
- Gaps in walls that were never built as compartment walls
- Designing or specifying fire stopping, which sits with the designer or fire engineer
- Approving the work on behalf of building control
If you’re not sure, just give us a call on 01277 525 020 or email drawings and photos and we will give you a straight answer before you book.
What we seal
- Small duct penetrations where the tested detail allows
- Cable penetrations
- Pipe penetrations
- Linear gaps at wall heads
- Service gaps in risers
- Joints between fire-resisting walls and floors