
Fire Stopping in Bidden
Fire-rated and intumescent sealing of service penetrations and linear gaps throughout Bidden and nearby, carried out by CSCS-carded applicators. Fully insured and CHAS accredited.
- Head-of-wall gaps with no fire seal
- Seals that don’t match their tested detail
- Fire seals cut back for extra cables and never reinstated
Fire stopping for businesses in Bidden
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
Fire-rated sealing for Bidden buildings
At about 43 miles from central London, Bidden is within reach of the capital. Office refits around the commuter belt bring new cabling through fire-resisting walls, and the gaps need sealing with the specified product. For England, the fire stopping of penetrations is dealt with in Approved Document B. From 2 September 2029, BS 476 references are being taken out of Approved Document B, leaving BS EN 13501-2 classification as the route, subject to the Government’s transitional arrangements. Our part stays the same: the specified product, installed to its tested detail.
Where a unit on an estate such as Hatch Industrial Park, which lies north-west of Bidden, has fire-resisting walls between offices and warehouse, any new service through them should be sealed to the tested detail. Older community buildings such as Church of St Mary that have been rewired or given new heating can have service gaps through walls worth checking against the specification.
Bidden is about 4 miles south of Hook, in Hampshire. If you’re looking for fire stopping in Bidden, we can help, as we do across Hampshire. 723 places across Hampshire fall within our area, Bidden among them. Reading is covered too, some 15 miles away.
We cover the RG25 postcode districts. Buildings on Bidden Road, Elder Dell and Meadowside are within our area. If your building is just outside Bidden, we cover Little Hoddington (1 mile west), South Warnborough (1 mile south-east), Long Sutton (2 miles east), Greywell (2 miles north-east) and Up Nately (2 miles north). Further afield, our area takes in Basingstoke (5 miles north-west), Farnborough (11 miles north-east), Fleet (7 miles north-east), Aldershot (10 miles east), Alton (6 miles south) and Yateley (10 miles north-east).
Local landmarks in Bidden
We work on buildings around Hoddington Arms Public House. For rail, the closest station is Hook station, roughly 3.6 miles north. Well-known places in the area include Gliding Heritage Centre (3.4 miles south-west) and Odiham Castle (2.5 miles north-east). Open spaces near Bidden include The Mill Field and Holybourne Hill.
Fire stopping in Bidden, done properly
Penetration seals are fire tested to BS EN 1366-3 and linear joint seals to BS EN 1366-4 and the results are classified to BS EN 13501-2. That classification, such as EI 60 or EI 120, belongs to the product in its tested arrangement. So our job is to reproduce that arrangement faithfully. We work on linear gaps at wall heads, joints between fire-resisting walls and floors and small duct penetrations where the tested detail allows, and the failures we’re asked to look at most are fire-rated sealant that has cracked or shrunk back and fire seals cut back for extra cables and never reinstated. Looking for mastic applicators who cover Bidden? Mastic Doctor has worked for contractors, FMs and building owners since 2005.
For a smaller site near Bidden, we plan to do all the penetrations in one go, so send the specification and photos 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.

- Place
- Bidden (RG25)
- Region
- Hampshire
- Guarantee
- 12 months on our workmanship
- Price
- Fixed quote, scope in writing
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
General trades versus a specialist
A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.
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.
Places near Bidden
What else we do in Bidden
For managing agents and facilities managers
If you look after buildings for someone else, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative.
Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, and each stage is agreed with your contact.
FAQs: Bidden
What does the BS 476 change mean for fire-rated sealant in Bidden?
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.
Can you work at a site such as Hatch Industrial Park, by Bidden?
Yes, sites like Hatch Industrial Park are within our area, along with the rest of Bidden. To start, just speak to us on 01277 525 020 or email a schedule or drawings with the unit, the joints involved and your access times.
How long before the joints can be used?
Curing time varies by product, and we confirm it on the day.
What do you charge?
We don’t publish prices, because every site is different. With photographs or drawings, we can give you a fixed quote.
Will you just go over the old sealant?
No. We cut the old material out and clean the joint back before sealing, because fresh silicone will not bond with aged silicone.
Is colour matching possible?
Often, yes. Sealants are made in a wide range of standard colours, and matching to RAL references or nearby finishes is commonly requested. We’ll confirm the colours available for the specified product.
Who decides which product is used?
If the job is specified, we follow the specification. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.
Surface by surface
Risers and ceiling voids
Voids hide a lot of unsealed openings. We work through the areas on your schedule methodically.
Small ducts
We seal around ducts only within what the tested detail covers. Dampers and ductwork systems themselves are outside our work.
Common problems we fix in Bidden
Fire stopping can get squeezed at the end of a programme, or done by whoever is on site. That is when untested combinations creep in.
Things that usually lead to an enquiry:
- Expanding foam used as fire stopping
- Unsealed openings around new pipes and cables
- Fire stopping installed outside its tested range
- Unsealed joints where partitions meet the slab
Schools such as Robert May's School often have new data and services installed during holidays, and penetrations through fire-resisting walls should be checked afterwards.
Questions to ask before you book
- Whether their applicators hold CSCS cards
- Their approach to joint depth and backing
- How they handle RAMS and site documents
- Do they follow the manufacturer’s priming guidance?
How the quote is worked out
To price the job, we consider:
- Distance, for remote addresses
- How accessible the joints are
- Which sealant the job calls for
- Whether old sealant has to be cut out first
The product called for affects the cost, as does the preparation each joint needs, from cutting out to priming and backing rod. Access, phasing and site rules also count.
Details that help us quote
The more we know, the firmer the quote. When you get in touch, include:
- Approximate linear metres or a joint schedule
- The type of building and who uses it
- The asbestos register, for older buildings
- A wide shot and a close-up of the area
For a fixed quote, give us a call on 01277 525 020 or email drawings and photos. Our quote form is another easy route.
Diagnose, treat, sign off
Before we leave any area, the masking comes off, the area is cleaned and every joint is checked, ready for your sign-off. Where the sealant needs time to cure before use, we tell you and sign the area. For work around Bidden, we aim to finish in one visit, so we ask for photos and rough sizes first. That way the right products come on the day.
- First we go through the drawings, schedule or specification for the seals.
- Every penetration is compared with its detail: wall or floor type, service, gap size and depth.
- Anything that doesn’t belong in the opening, such as expanding foam or general-purpose filler, is removed.
- Mineral wool or other backing goes in wherever the detail asks.
- Fire-rated or intumescent sealant is gunned in to the specified depth, then tooled.
- If an opening needs something other than sealant, we tell you instead of improvising.
Getting the site ready
- Warn occupants and staff about the work
- Tell us your opening times and when work is allowed
- Move anything stored against the joints
Quotes
Quotes are fixed against the scope you send, so you know the figure before anyone is on site. To start the process, phone 01277 525 020 or send photos by email.