Fire-rated sealing and fire stopping in Langley, Hampshire
Fire-rated and intumescent sealing of service penetrations and linear gaps in Langley and across Hampshire. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.
- Seals that don’t match their tested detail
- Expanding foam used as fire stopping
- Old intumescent sealant that has split away
Fire stopping across Langley
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
Fire stopping in Langley, done properly
Fire-rated sealant suits many small service penetrations: copper and steel pipes, cables and some small ducts where the tested detail allows. Other openings need collars, wraps, batts, pillows or boards. If the detail calls for something other than sealant, we say so rather than force sealant into it. We work on cable penetrations, joints between fire-resisting walls and floors and service gaps in risers, and the failures we are asked to look at most are unsealed penetrations discovered above suspended ceilings and unsealed openings around new pipes and cables. A single leaking joint is often how a building in Langley first comes to us: we look at the rest while we are there and tell you what we find.
A job near Langley is usually planned around one visit, so send the specification and photos first. We install to the specification and the manufacturer’s guidance, leaving design and sign-off with the designer and building control.
The 12-month guarantee is for workmanship rather than wear and tear. Sealant wears with time, and movement, weather, cleaning and use decide how fast, so we are clear about what is covered before work starts.
- Place
- Langley (SO45)
- Region
- Hampshire
- Cover
- 12 months on our workmanship
- Quote
- Quoted before any work starts
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
Aftercare for building managers
Once the work is signed off, these steps help:
- Check risers and ceiling voids after each round of works
- Have penetrations checked while they can still be seen
- Don’t let anyone top up a fire seal with the wrong product
- File the specified details where the next contractor can find them
Don’t patch a fire-rated seal with anything outside its tested detail. A repair should use the original product, installed the same way.
Specify fire stopping early on refits, not as an afterthought. Details can then be picked to suit the actual pipes, cables and ducts.
Also near Langley
Also in Langley
Questions about Langley
What does the BS 476 change mean for fire-rated sealant in Langley?
References to BS 476 classes are being removed from Approved Document B from 2 September 2029, after which BS EN 13501-2 classification is the route, subject to transitional arrangements. Whichever applies, we install the specified product to its tested detail; the specification is for the designer to set.
Is Glenmore Business Park, near Langley, within your area?
Yes. Our area takes in Langley and its surroundings, with estates and business parks such as Glenmore Business Park included. Send details of the unit and the work through our quote form for a quick quote.
Do you take on multi-site work?
Yes. A group of buildings can go on one quote, with one point of contact across South East England, Greater London and Scotland.
Do you need to see the site first?
Photos, drawings or a schedule are often enough to quote. Where they aren’t, we arrange a site visit before quoting.
How soon can the area be used again?
Curing time varies by product, and we confirm it on the day, and sign any area that should be left alone.
How do you choose the sealant?
If the job is specified, we follow the specification. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.
Can staff carry on working while you are here?
In most cases, yes. We phase the work so most of the building stays in use, with each area protected and signed.
What the job involves on each surface
Risers and ceiling voids
Service risers and the voids above ceilings are where openings collect. Access is often tight, so we agree it with you in advance, including keys, permits and any isolations.
Plastic pipes
Plastic pipes soften and collapse in a fire. Small sizes are sometimes covered by an intumescent sealant detail, though larger ones typically call for a collar or wrap. We confirm material and size first and tell you if sealant isn’t the right product.
Where services cross fire walls in Langley
In England, Approved Document B covers fire stopping of 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. Our part stays the same: the specified product, installed to its tested detail.
Halls and meeting rooms at places like St Francis sometimes gain new services, and any compartment wall crossed needs the specified seal. Tenant changes at parks like Glenmore Business Park, 2.4 miles north of Langley, bring new data and services, and openings through fire-resisting walls need the specified seal. Holiday works at schools like Blackfield Primary School often leave service openings to seal before pupils return.
Langley is about 4 miles south of Hythe, in Hampshire. Across the SO45 postcode area, the process is the same: details in, fixed quote out, then sealing and a 12-month guarantee. Langley is one of 723 places in Hampshire on our list. Southampton is covered too, around 8 miles from Langley.
Work on service penetrations is covered throughout SO45, for business premises of every kind. Buildings on Chalewood Road, Hursley Drive and Bernwood Grove are within our area for service penetrations. Nearby places we also cover include Blackfield (1 mile north), Roughdown (1 mile north-west), Holbury (1 mile north), Stanswood (1 mile east) and Sprat's Down (1 mile east). Further afield, our area takes in Gosport (10 miles east), Eastleigh (11 miles north), Fareham (8 miles east), Totton (10 miles north-west), Chandler's Ford (12 miles north) and Hedge End (8 miles north-east).
Around Langley
In Langley, that means premises near The New Forest Academy and the streets around them. Langley’s nearest station is Hamble station, roughly 4.7 miles north-east. Other landmarks nearby include Coldeast (5.8 miles north-east) and Beaulieu Abbey And Display Of Monastic Life (3.7 miles west). The countryside around Langley includes Mill Hill and Mercury Marshes.
General trades versus a specialist
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.
Using site staff can make sense for a small touch-up, but anything bigger is another matter: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.
Building owners, agents and FMs in Langley
Planned maintenance programmes are welcome: working through a building or an estate in stages that fit your budget. Sites in Langley can sit alongside others in a wider programme.
Whether you are a managing agent, a property factor or an owner’s representative: send the details, accept a fixed quote, and we carry out and guarantee the work. We can agree access arrangements and keyholder contacts beforehand.
Our process
Site rules come first: sign-in, induction and whatever permit system the building uses. Once we’re cleared to begin, we take the joints in the sequence agreed with you. For work around Langley, we aim to finish in one visit, so photographs and measurements up front really help. Then the right materials arrive with us.
- First we go through the drawings, schedule or specification for the seals 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.
- Mineral wool or other backing goes in wherever the detail asks.
- We apply the specified sealant to the depth and around the services as the detail shows.
- If an opening needs something other than sealant, we tell you instead of improvising.
What we need from you
- Arrange parking or a loading space
- Warn occupants and staff about the work
- Have the specification and drawings to hand
Ask for a quote
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 email drawings and photos.
Advice
What happens if it’s left?
Open penetrations multiply: each new service adds to the list. A schedule that is dealt with regularly stays manageable and avoids a much larger catch-up later. Converted and older buildings near places like Langley tend to move, and aged sealant cracks. The right product, sized to the joint, copes much better.
Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well, along with the time of year for external work.
Why clients in Langley choose us
- CHAS accredited contractor
- Our applicators hold CSCS cards
- Fully insured
- A Constructionline member, so easy to vet