
Fire-rated sealing and fire stopping in Owslebury, Hampshire
Our CSCS-carded applicators take on fire-rated and intumescent sealing of service penetrations and linear gaps in Owslebury. Send photographs or drawings for a fixed quote.
- Expanding foam used as fire stopping
- Damaged fire seals in risers and voids
- Fire-rated sealant that has cracked or shrunk back
Need fire stopping in Owslebury?
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
How we handle fire stopping in Owslebury
Facilities managers in Owslebury often find open service penetrations when ceilings come down for other work. Where the walls and floors already have a fire-stopping specification, we can work to it, matching the product and detail it names. With no specification in place, the first step sits with your designer or fire engineer, not with us. Site teams most often ask us about non-fire-rated filler around services and damaged fire seals in risers and voids, across pipe penetrations, cable penetrations and linear gaps at wall heads. Searching for sealant specialists in Owslebury? We have been sealing commercial buildings since 2005.
Smaller places such as Owslebury still have buildings with fire-resisting walls and floors: schools, halls, care homes and commercial conversions. If sealant is what the specification names, we install it around the services exactly as the maker’s detail sets out.
We stand by our work: 12 months, guaranteed. It covers how we prepared and applied the sealant.

- Where
- Owslebury (SO21)
- Region
- Hampshire
- Guarantee
- A 12-month guarantee
- Quote
- Fixed quote, scope in writing
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
Questions about Owslebury
Is a smaller place like Owslebury outside your area?
Not at all. Owslebury is within our area. We work across Greater London and the South East. Good photos up front let us bring everything on the first visit.
Can you work on a hospital site such as St John's Rooms And Chapel?
Yes, hospitals are one of the sectors we cover. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.
How many days will you need on site?
The duration is planned around your programme and the access we’re given. We will give you an estimate of time on site when we quote.
Will you come and look before quoting?
That depends on the size and complexity of the job. Simple work can often be priced from photos, and bigger or more complex jobs normally get a visit.
Will you write the fire-stopping specification?
No, we don’t design fire stopping. Once you have a specification, we can price and install the sealant elements of it and point out anything needing another product.
Is sealant suitable for all service openings?
No. Each fire-rated sealant is tested for particular services, gap sizes and substrates. Outside that, a different product is needed, specified by your designer.
What happens if old sealant might contain asbestos?
The duty to manage asbestos sits with the building’s dutyholder, so we’ll ask for the register before work on an older building. If anything suspect turns up, we stop until it’s tested.
Where services cross fire walls in Owslebury
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. Either way, we install the specified product to its tested detail. Owslebury is about 61 miles from central London. Tenant changes on commuter-belt business parks mean regular fit-outs, and new services through compartment walls.
Large healthcare estates like St John's Rooms And Chapel, 4 miles north-west of Owslebury, change their services often, so penetration seals are worth checking after M&E work. For a building such as Church of St Andrew, new heating or data runs are the usual reason penetrations need sealing. At a university such as University of Winchester (4.5 miles north-west of Owslebury), labs, lecture blocks and residences are re-serviced often, so penetration seals are best checked after M&E work.
Owslebury is about 4 miles south-east of Winchester, in Hampshire. We send applicators to Owslebury for service penetrations, handled exactly as we handle every other area. Owslebury is one of 723 places we cover in Hampshire. Sites around Southampton have their own page, roughly 8 miles from Owslebury.
We take on service penetrations across the SO21 postcode area, for business premises of every kind. Among the streets we cover are Beech Grove, Main Road and Pitcot Lane. Just outside Owslebury, we also work in Owslebury Bottom (1 mile north), Baybridge (1 mile south-east), Hensting (1 mile south-west), Morestead (1 mile north) and Lane End (3 miles north-east). A short drive away, we cover Winchester (4 miles north-west), Gosport (15 miles south), Eastleigh (4 miles south-west), Fareham (11 miles south), Horndean (13 miles south-east) and Totton (12 miles south-west).
Around Owslebury
We work on buildings around Ship Inn and the streets around them. The nearest railway station is Shawford station, roughly 2.8 miles west. Well-known places in the area include Wolvesey Castle (3.9 miles north-west) and The Gurkha Museum (3.9 miles north-west). Not far away are Twyford Down and Hockley Meadows.
Maintenance after handover
To get the most from the new sealant:
- Keep general-purpose fillers away from compartment walls
- File the specified details where the next contractor can find them
- Leave fire sealant to cure fully before covering it
- Report damaged or disturbed seals as soon as they’re spotted
Give the sealant its full cure time before ceilings, boxing or decoration go over it. Some fire-rated sealants accept paint and some don’t, and the data sheet says which.
On fit-outs, get the fire-stopping specification agreed before the services go in. Details can then be picked to suit the actual pipes, cables and ducts.
Diagnose, treat, sign off
Occupied buildings need a little choreography. We sign and contain the area we’re in, keep walkways clear and work section by section so the rest of the building stays in use. Jobs in and around smaller places like Owslebury are typically planned as a single visit, so photographs and measurements up front really help. Then the right materials arrive with us.
- We ask for the product and detail your designer has specified.
- We sort the openings by the detail each one needs.
- Improvised fillers and failed sealant are removed.
- Where the detail needs backing, it goes in at the stated depth.
- 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.
What we need from you
- Clear stock, furniture or equipment away from the joints
- Explain the parking and delivery arrangements
- Confirm the product named in the specification
Quotes
A good quote starts with a clear picture: the joints involved, quantities, access and the product called for. Send what you have, and we will arrange a site visit if anything is unclear.
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Commercial clients in Owslebury
We work for building owners and managing agents on sealant work across single buildings or whole portfolios. One quote can cover more than one site, so there’s one set of paperwork to deal with.
As a CHAS accredited contractor and Constructionline member, we’re straightforward to vet for your supplier list. Our insurance certificate can be sent along with the quote.
Places near Owslebury
Also in Owslebury
How the job changes by surface
Masonry and concrete
Openings through concrete vary from tidy cores to rough break-outs. Each gap is measured where it is widest so we know it sits within the tested range, and any that don’t are flagged.
Plastic pipes
In a fire, plastic pipework melts away and leaves an opening. Small sizes are sometimes covered by an intumescent sealant detail. We confirm material and size first and tell you if sealant isn’t the right product.
When something else is needed
We check first that sealant really is the fix. It won’t put right:
- Writing the fire-stopping specification
- Large openings beyond what any sealant detail covers
- Issuing fire ratings or certificates for seals
Not sure which it is? You can ring 01277 525 020 or email us and we will tell you honestly before you book.
Joints and surfaces we work on
- Service gaps in risers
- Linear gaps at wall heads
- Joints between fire-resisting walls and floors
- Cable penetrations
- Small duct penetrations where the tested detail allows
- Pipe penetrations
Doing it in-house
Certain joints really need a specialist: for instance fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.
There’s also the paperwork. Many sites expect CSCS cards, RAMS and proof of insurance, and we will confirm the paperwork you need with the quote.