Fire stopping in Langley Green
We carry out fire-rated and intumescent sealing of service penetrations and linear gaps in Langley Green and the surrounding area. Send details for a fixed quote.
- Fire stopping installed outside its tested range
- Open linear gaps along the top of fire-resisting walls
- Fire-stopping items raised at inspection or handover
Fire stopping across Langley Green
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Fire stopping in Langley Green
Opened ceilings and riser doors often reveal service openings nobody sealed. If a specification already covers those walls and floors, we can reseal to it. With no specification in place, the first step sits with your designer or fire engineer, not with us. The enquiries we see most involve old intumescent sealant that has split away and head-of-wall gaps with no fire seal, across small duct penetrations where the tested detail allows, cable penetrations and linear gaps at wall heads. Facilities teams, main contractors and managing agents in Langley Green tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.
Around smaller places like Langley Green, many commercial buildings are conversions or extensions of older ones, so it’s worth confirming the wall or floor type before choosing the seal. We match the product to the substrate and service, and say so if a collar, wrap or batt is the specified item.
Every job is signed off with a 12-month guarantee. It’s a plain promise: if the work we did fails within twelve months, we return to fix it.
- Location
- Langley Green (RH11, RH10)
- Wider area
- West Sussex
- Cover
- 12 months on our workmanship
- Quotes
- A fixed quote before we start
- Phone
- 01277 525 020
- Updated
- 3 November 2026
Different surfaces, different methods
Masonry and concrete
Openings through concrete vary from tidy cores to rough break-outs. Each gap is measured where it is widest against the detail’s limits.
Plastic pipes
Waste and drainage pipes through floors are a frequent case. The detail decides whether sealant alone is enough.
Langley Green: questions and answers
Do you work in occupied care homes around Langley Green?
Yes. We agree rooms and times with the manager and work a few areas at a time. Noise and disruption are kept to a minimum.
Do you take on work at healthcare sites like Langley Green Hospital (psychiatric)?
Yes, provided the work is planned with the site’s estates team. We follow the site’s permits, sign-in and infection-control procedures in every area.
Can weather delay the job?
It can, for external work. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so we watch the forecast and rearrange outside work if we have to. Internal work is far less affected.
Will you just go over the old sealant?
No. Overlaying old sealant is a frequent cause of early failure, so it all comes out first.
How do you choose the sealant?
A specification, where there is one, decides it. Without one, the joint decides: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.
What if there’s asbestos in the old mastic?
The duty to manage asbestos sits with the building’s dutyholder, so for older buildings we ask for the asbestos register first. If anything suspect turns up, we stop until it’s tested.
Do you have public liability insurance?
Yes. We’re fully insured, including public liability cover.
Do you need fire stopping in Langley Green?
Physical damage is another reason seals stop doing their job. Seals get knocked during maintenance, cut back to add a cable or pulled out when services are swapped.
These are often picked up first by site or facilities staff:
- Hidden openings found during inspections
- Penetration schedules that need working through
- Old intumescent sealant that has split away
- Fire stopping installed outside its tested range
Large healthcare estates like Langley Green Hospital (psychiatric), less than half a mile east of Langley Green, change their services often, so penetration seals are worth checking after M&E work.
Before you book anyone
- The named product and why it was chosen
- Their plan for phasing and protecting the area
- Their public liability cover
- The terms of the workmanship guarantee
On site: what to expect
Before any cutting starts, the area is protected: masking tape along the joint edges and sheeting over anything nearby. On site, the work usually takes anything from one day to a planned run of visits, depending on the number of seals and the access, and our waste is bagged and taken away as we go. For a job in Langley Green, the main thing is a clear picture of the work. You will then get a fixed price for the work.
- First we confirm the product and tested details named in the specification.
- Openings are measured and grouped by detail.
- Old or wrong materials are cut out.
- Mineral wool or other backing is fitted where required.
- 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
- Confirm the product named in the specification
- Flag any permit to work we will need
- Share the asbestos register for older buildings
Quotes
Tell us about the building, the joints and when you need the work done, and a fixed quote will follow. The easiest way is to call the office on 01277 525 020 or email a schedule or drawings.
Advice
Places near Langley Green
More services for Langley Green
Leave it or put it right?
The longer openings stay, the more there tend to be: every new cable or pipe adds another. A schedule that is dealt with regularly stays manageable, rather than turning into a full building survey and reseal. Over time, UV, weather and movement wear any sealant out. Replacing it before it fails keeps water out.
The product called for affects the cost, and so does the preparation, from cutting out to priming and backing rod. Access, phasing and site rules also count.
Why choose Mastic Doctor in Langley Green
- Work to your specification and the manufacturer’s guidance
- Fully insured
- Workmanship guaranteed for 12 months
- Sealing commercial buildings since 2005
See how commercial sealant jobs are priced or how we’re accredited.
Compartment walls and floors in Langley Green
At about 26 miles from central London, Langley Green is within reach of the capital. Offices around the capital are refitted often, and the cabling that follows can breach fire-resisting walls. Fire stopping of openings and penetrations in England falls under Approved Document B. 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.
Older community buildings such as Voice of Deliverance Full Gospel Church of God that have been rewired or given new heating can have service gaps through walls worth checking against the specification. For a hotel such as The Maple Manor Hotel, 0.9 miles north-west of Langley Green, penetration seals are worth checking after any refit or services upgrade.
Langley Green is about 1 mile north of Crawley, in West Sussex. Anywhere in RH11, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. Our West Sussex coverage takes in 373 places. Sites around Brighton have their own page, roughly 21 miles from Langley Green.
Work on service penetrations is covered throughout RH11 and RH10, for business premises of every kind. Buildings on London Road, Cherry Lane and Dobson Road are within our area for service penetrations. Sites close to Langley Green are covered too, including West Green (1 mile south), Crawley (1 mile south), Three Bridges (2 miles south-east), Southgate (2 miles south) and Forge Wood (2 miles east). Bigger towns within reach include Horsham (7 miles south-west), Haywards Heath (10 miles south-east), Burgess Hill (12 miles south), East Grinstead (8 miles east), Broadfield (3 miles south) and Billingshurst (14 miles south-west).
Near you in Langley Green
Around Langley Green, our work takes us to commercial buildings near Dr Samuel Johnson pub, Central Sussex College and Hazelwick School. The nearest railway station is Crawley station, about 1.4 miles south of the centre. Nearby you will also find Crawley Museum (1 mile south) and Langley Green Hospital (under half a mile south). The countryside around Langley Green includes Tilgate Lake.
Owners, agents and contractors
Facilities managers want contractors who arrive with the paperwork sorted. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm with the quote.
Agents, factors and owners’ representatives all follow the same route: send details, get a fixed quote, we seal, guaranteed. Keys, access and contacts can be agreed in advance.
Quoting for work in Langley Green
Before we quote, we look at:
- Working within restricted access windows
- The site’s rules and procedures
- How much existing material needs removing
- How much there is to seal
There’s no price list, since every building and every scope is different. Call for a quote and we will price your job on its own details.
Before you send an enquiry
A good diagnosis starts with the right details. Tell us:
- The type of building and who uses it
- When you need the work done
- Access details, including height
- Whether an asbestos survey exists
A handful of photographs and a postcode is the fastest way to a quote. Send them through the quote form, or ring 01277 525 020 or send photos by email to discuss it first.