Fire Stopping in Owslebury Bottom
Fire-rated and intumescent sealing of service penetrations and linear gaps across Owslebury Bottom, by CSCS-carded applicators. Fully insured and CHAS accredited.
- Unsealed penetrations discovered above suspended ceilings
- Fire-rated sealant that has cracked or shrunk back
- Damaged fire seals in risers and voids
Need fire stopping in Owslebury Bottom?
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Fire stopping in Owslebury Bottom
Penetration seals are fire tested to BS EN 1366-3 and linear joint seals to BS EN 1366-4, with results classified under BS EN 13501-2. That classification, such as EI 60 or EI 120, belongs to the product in its tested arrangement. Reproducing the tested arrangement on site is the part we take care of. If you have seals disturbed by maintenance and left open and hidden openings found during inspections, we can put it right. Searching for sealant specialists in Owslebury Bottom? We have been sealing commercial buildings since 2005.
For a smaller site near Owslebury Bottom, we plan to do all the penetrations in one go, 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.
Whoever the client is, the cover is the same: a 12-month guarantee on our workmanship. Faults in the structure, damage and other trades’ work fall outside it, and we say so plainly.
- Place
- Owslebury Bottom (SO21)
- Wider area
- Hampshire
- Cover
- 12 months on our workmanship
- Quote
- A fixed quote before we start
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
Compartments and services around Owslebury Bottom
Owslebury Bottom lies roughly 61 miles out from central London. Tenant changes on commuter-belt business parks mean regular fit-outs, and new services through compartment walls. In England, Approved Document B covers fire stopping of openings and penetrations. References to the older BS 476 classes are being removed from it from 2 September 2029, after which the European classification, BS EN 13501-2, is the route, subject to transitional arrangements. We install whatever has been specified, to the product’s tested detail.
For a building such as Church of St Andrew, new heating or data runs are the usual reason penetrations need sealing. Offices at parks like Hazeley Enterprise Park (1.8 miles north-west of Owslebury Bottom) are re-cabled with each new tenant, and compartment walls need sealing afterwards to the tested detail.
Owslebury Bottom is about 4 miles south-east of Winchester, in Hampshire. Any commercial site in Owslebury Bottom is covered. Owslebury Bottom is one of 723 places we cover in Hampshire for service penetrations. There’s a separate page for Southampton, about 9 miles away.
Postcode districts covered here: SO21. We also cover Owslebury (1 mile south), Baybridge (1 mile south-east), Morestead (1 mile north), Hensting (1 mile south-west) and Lane End (3 miles east) for service penetrations. A short drive away, we cover Winchester (4 miles north-west), Gosport (15 miles south), Eastleigh (5 miles south-west), Fareham (12 miles south), Horndean (13 miles south-east) and Totton (12 miles south-west).
What’s near Owslebury Bottom
Around Owslebury Bottom, our work takes us to commercial buildings near Ship Inn, among other places. The nearest railway station is Shawford station, about 2.7 miles west. A little further out are The Gurkha Museum (3.5 miles north-west) and Wolvesey Castle (3.6 miles north-west). Not far away are Hockley Meadows and Twyford Down.
Different surfaces, different methods
Masonry and concrete
Block walls and concrete floors are common substrates for penetration seals. Dust and debris are cleared from the opening, with backing added if the detail requires it.
Linear joints
Joints at the top of partitions may need to move as the slab above deflects. We use the product and backing the detail names for that movement.
Common questions from Owslebury Bottom clients
Is hospital work, at somewhere like St John's Rooms And Chapel, something you do?
Yes. Healthcare sites are among the places we work. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.
What happens to BS 476 references for fire stopping in Owslebury Bottom?
From 2 September 2029, Approved Document B drops its BS 476 references in favour of BS EN 13501-2 classification, with transitional arrangements. The designer or fire engineer sets the specification, and we install the product to the manufacturer’s tested detail.
Are your applicators CSCS-carded?
Yes. Our applicators hold CSCS cards.
Can staff carry on working while you are here?
Yes, as long as we plan it. We agree a sequence with your contact so just one area at a time is disrupted.
Do you offer coloured sealant?
That depends on the product specified. Some ranges offer many colours, others very few, so we’ll confirm the colours available for the specified product with the quote.
How long does a typical visit take?
We plan the time on site around your programme and access. We’ll give you an estimate of time on site when we quote.
Is Owslebury Bottom in your area?
Yes. We take on work across Owslebury Bottom, and the same phone number covers every area.
Do you need fire stopping in Owslebury Bottom?
Openings in fire-resisting walls typically appear when services are added or changed. A new cable pulled by an electrician, a pipe rerouted by a plumber or a data run drilled through a riser leaves an opening that nobody returns to. Across several fit-outs, the openings add up.
It’s worth sending us details if you spot any of the following:
- Penetration schedules that need working through
- Unsealed openings around new pipes and cables
- Seals that don’t match their tested detail
- Damaged fire seals in risers and voids
Residences at universities like University of Winchester, 4.2 miles to the north-west of Owslebury Bottom, have compartment walls that must be resealed whenever services change.
What to look for in a quote
- What the guarantee covers, and for how long
- Is depth set with backing rod, or bond-breaker tape in shallow joints?
- Whether old or failed sealant will be cut out, not overlaid
- How they handle RAMS and site documents
What happens if it’s left?
Sealing behind the M&E trades area by area beats a sweep at the end. While the area is still open, every opening is easy to see and reach. Converted and older buildings near places like Owslebury Bottom tend to move, and aged sealant cracks. A sealant with the right movement capability, correctly sized, lasts far better.
Quantities, awkward access and phased working all shape the price. So do site requirements such as inductions and permits.
Why appoint us
- Constructionline member for supplier checks
- 12 months’ guarantee on every job
- One number for every site we cover
- Fixed quotes based on photographs, drawings or a visit
Our process
Our CSCS-carded applicators arrive with the sealants, primers and backing rod the job calls for. Joint faces are cleaned back to sound, dry surfaces, primer goes on where the manufacturer specifies it, and the sealant is tooled off neatly. Smaller jobs around Owslebury Bottom can be grouped with others nearby. You’ll have a fixed quote before work starts.
- We start with your penetration schedule, drawings or specification.
- Access, permits and the order of areas are agreed with the site team.
- 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.
- Backing and fire-rated sealant are installed to the detail and tooled.
- Anything outside the detail is reported to you rather than sealed.
Before we start on site
- Point out any areas we must not close
- Confirm the product named in the specification
- Let building users know which areas are affected
Quotes
Photos, drawings or a schedule of the joints are often enough for a fixed quote. Where a site visit makes more sense, we’ll arrange one.
Related advice
When to bring in a specialist
A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.
For most general trades, sealant is a sideline. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint.
Also near Owslebury Bottom
What else we do in Owslebury Bottom
Owners, agents and contractors
Hospitality, education, healthcare, office and retail clients come to us directly as well. We plan around the way the building is used, so the building keeps working while we do.
Building owners and managing agents use us on everything from one building to a spread of sites around Owslebury Bottom. One quote can cover more than one site, so there’s one set of paperwork to deal with.