Fire Stopping in Dedworth
Fire-rated and intumescent sealing of service penetrations and linear gaps in Dedworth. CHAS accredited and fully insured, with a 12-month guarantee.
- Improvised or mixed-product fire seals
- Hidden openings found during inspections
- Open linear gaps along the top of fire-resisting walls
Need fire stopping in Dedworth?
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Signs you need fire stopping in Dedworth
On a busy project, programme pressure can mean fire stopping is rushed or left to whichever trade is closest. That is when untested combinations creep in and later need putting right.
If one of these sounds familiar, it’s time for a closer look:
- Fire-stopping items raised at inspection or handover
- Service penetrations left open after M&E works
- Improvised or mixed-product fire seals
- Seals disturbed by maintenance and left open
For an estates team at a campus like Imperial College Silwood Park Campus, which lies south of Dedworth, summer M&E works are typically followed by a round of penetration sealing.
What your quote should include
- Whether their applicators hold CSCS cards
- How they’ll work around occupants
- Their pre-qualification and accreditations
- Is depth set with backing rod, or bond-breaker tape in shallow joints?
About our fire stopping in Dedworth
Where pipes, cables and other services cross a compartment wall or floor, the opening around them has to be closed so fire and smoke can’t move between compartments. Our job is fitting fire-rated and intumescent sealant at those service penetrations, and along linear gaps, where it is the specified product. We work to the product’s tested detail for every seal rather than guesswork. We work on linear gaps at wall heads, pipe penetrations and joints between fire-resisting walls and floors, and the failures we’re asked to look at most are fire stopping installed outside its tested range and fire seals cut back for extra cables and never reinstated. Whoever orders the work in Dedworth, the brief is usually the same: a clear scope, tidy work and joints that don’t fail again.
Around Dedworth, penetration and linear seals tend to be one-building jobs. With the specification and photos of the gaps, we can give a fixed quote and bring the right products.
Our 12-month guarantee is about workmanship, not wear and tear. Sealant wears with time, and movement, weather, cleaning and use decide how fast, so we spell out the cover before we begin.
- Where
- Dedworth (SL4)
- Region
- Windsor and Maidenhead
- Cover
- A 12-month guarantee
- Quote
- A fixed quote before we start
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
FAQs: Dedworth
Can work in a care setting near Dedworth go ahead while residents are there?
Yes. We work around residents’ routines, a room or two at a time. Any site rules, from signing in to infection control, are agreed before we start.
Is Dedworth too far out for you?
Not at all: smaller places are covered as well as towns. Our area covers London and the South East counties. Good photos up front let us bring everything on the first visit.
Will you come and look before quoting?
Photos, drawings or a schedule are often enough to quote. Where they aren’t, we arrange a site visit before quoting.
Are you insured?
Yes. We are fully insured, including public liability cover.
Do you design or specify fire stopping?
No. Deciding what is needed sits with the designer, fire engineer and building control. Our role is fitting the specified fire-rated sealant, following the maker’s tested details.
Will you quote for a small job?
We quote for single jobs as well as large packages and programmes. Send details for a fixed quote.
Does weather matter for sealant work?
For external joints, yes. The joint has to be dry and within the product’s temperature range, so frost, rain or cold mornings can delay outside work. Inside work is seldom held up.
Nearby places to Dedworth
More services for Dedworth
Where services cross fire walls in Dedworth
The area within 2 miles of Dedworth holds plenty of hotels. A hotel refit often runs new services through compartment walls between bedrooms and corridors, and each opening needs the specified seal. Fire stopping of openings and penetrations in England falls under Approved Document B. 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. Either way, we install the specified product to its tested detail.
For a hotel such as LEGOLAND Castle Hotel, which lies south of Dedworth, penetration seals are worth checking after any refit or services upgrade. At a college such as Windsor College, 1.5 miles to the east of Dedworth, checking penetration seals after summer M&E works is good practice.
Dedworth is about 1 mile west of Windsor, in Windsor and Maidenhead. Across the SL4 postcode area, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. Across Windsor and Maidenhead, 60 places are covered, Dedworth among them. For work in that direction, see our Reading page.
If you need fire stopping in SL4, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. We cover commercial and managed buildings on Ash Lane, Wolf Lane and Roses Lane. We also cover Windsor (1 mile east), Oakley Green (1 mile west), Boveney (1 mile north), Clewer (1 mile north-east) and Water Oakley (1 mile north-west). Nearby towns on our patch include Maidenhead (5 miles north-west), Boyn Hill (5 miles north-west), Cookham (7 miles north-west), Furze Platt (6 miles north-west), Broomhall (6 miles south) and South Ascot (5 miles south). As one of the bigger centres in Windsor and Maidenhead, Dedworth has a broad mix of commercial, public and industrial buildings.
Near you in Dedworth
In Dedworth, that means premises near Windsor Girls' School, Windsor Girls' School and The Greene Oak pub and the streets around them. For rail, the closest station is Windsor & Eton Central station, roughly 1.7 miles east. Well-known places in the area include Windsor Castle (1.9 miles east) and King Edward VII Hospital (1.5 miles east). Not far away are Bray Pit and Taplow Lake.
What the job involves on each surface
Small ducts
Some fire-rated sealant details cover small ducts. Bigger ducts and fire-resisting ductwork are normally handled with other products and we flag that rather than guess.
Masonry and concrete
Block walls and concrete floors are common substrates for penetration seals. Dust and debris are cleared from the opening, so the sealant and any backing sit properly.
Work for main contractors and building owners
Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, with each stage agreed with your site contact.
When you manage a building on behalf of an owner, clear figures and clear communication matter. You get a fixed quote, an agreed scope and a walk round at the end, plus a 12-month guarantee.
Looking after the joints
For the best life from the joints:
- Put resealing into every M&E and fit-out package
- Agree the fire-stopping specification before services go in
- Check risers and ceiling voids after each round of works
- Have penetrations checked while they can still be seen
After the work, brief anyone else working in the area that the openings are now sealed. If a seal has to be opened for a new service, it should be reinstated to the same detail using the same product.
The simplest way to keep compartment walls intact is to plan fire stopping into every job that crosses them. That way the opening is sealed while the trade and access are still there.
Doing it in-house
Certain joints really need a specialist: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. Getting these wrong usually costs more in the end than doing them right.
Site maintenance staff can often handle a short internal joint. Where it goes wrong is preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.
On site: what to expect
Inspect, seal, sign off: that’s the shape of every visit. We inspect the joints and confirm what’s in scope, then we prepare and seal each joint with the specified product, and the job ends with a walk round and sign-off. For a site in Dedworth, we plan so the whole job is done in one go where possible. Clear photographs and measurements help us bring the right products.
- The specification and schedule come first, so we know which details apply.
- We plan the sequence of floors, risers and voids with you.
- We compare every service penetration with its tested detail before sealing.
- Unsuitable material is removed and the opening cleaned first.
- Backing and fire-rated sealant are installed to the detail and tooled.
- We tell you about openings that need a different product.
Preparing the site
- For older buildings, check the asbestos register before work
- Let building users know which areas are affected
- Explain the parking and delivery arrangements
Get a fixed quote
Specifications, drawings and tender packages are welcome with any enquiry, and we’ll price the work to it. Smaller jobs need nothing more than photographs and a few notes.