Surrey · England
Fire-rated sealant in Longcross, Surrey
Problem with your fire-stopping gaps in Longcross? We remove the old material, prepare the joints and seal them properly.
- Gaps where walls meet ceilings or slabs
- New service routes left unsealed after building work
- Seals cut through by electricians, plumbers or data installers
How we handle fire rated sealant in Longcross
Where services or frames pass through a fire-resisting wall or floor, the gap around them needs a fire-rated seal. Each gap is sealed to the product maker’s tested detail for its size and substrate. Typical jobs include fire stopping disturbed by later work and linear gaps at the head of walls, on linear gaps, service penetrations and door frames.
If you have holiday lets, a converted barn used for business or a community building near Longcross, washroom and kitchen sealant and any fire-rated joints need the same attention as anywhere.
There’s a 12-month guarantee on every job, whatever its size.
- Location
- Longcross (KT16)
- Wider area
- Surrey
- Guarantee
- 12 months on all our work
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Keeping the joints in good condition
So the new joints stay in good condition:
- Ask which product was used before you paint
- Store the list of sealed gaps with your building paperwork
- Keep photos of seals that will be hidden
- Allow for resealing whenever new services are run
Let contractors know where fire stopping has been done, and ask them to reseal anything they cut through. A lot of damaged fire stopping comes from later work.
An open gap is not only a fire issue: they also let noise, draughts and sometimes pests through. Sealing them early helps on every front.
Why act early in Longcross
Sealant is not the fix for every opening. Large holes, cable bundles and plastic pipes can call for batts, collars or wraps. We’ll say so if a gap needs something other than sealant. In a small place like Longcross, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
The cost depends on how much there is to do, how much old material has to come out and how easy the joints are to reach. We give a clear quote before we start.
Why choose Mr Mastic in Longcross
- 180+ five-star Google reviews
- 20+ years of sealant experience
- We leave the area clean and tidy
- Approved under the ARBOMaster scheme
What affects the cost of fire rated sealant
The price is agreed before any work begins. It takes into account:
- How easy the joints are to reach
- The number and length of the joints
- Whether old sealant or filler has to be cut out
- Which sealant suits the joint
Commercial jobs are quoted on the same basis as homes: how much there is to do, how we reach it and what it needs, plus any working-time requirements on site. Call for a quick quote and we’ll go through it with you.
Helping us quote
Before you ask for a quote, have a think about:
- How many joints, rooms or windows are involved
- Photos by email, if that is easy
- Whether it’s a home or a business
- What’s wrong with the joints now
Asking for a quote is easy: let us know the job and the location. Photos by email help us understand the job, and we will take it from there.
What else we do in Longcross
What happens on the day
Every visit runs the same way: we check the joints, protect the area around them, do the work and tidy away. Most jobs take a few hours for a handful of gaps, and longer for a whole building. Somewhere as small as Longcross, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- Access to each area is agreed so the work can run in order.
- Old, damaged or unsuitable sealant is removed.
- Dust and loose debris are cleaned from each gap.
- The fire-rated or intumescent sealant is applied and tooled to the tested detail.
- We record what was done and flag anything that needs a different system.
Before we arrive
- Let us know if you’ve seen damp or leaks
- Try not to wet indoor joints just before the visit
- Keep pets and children clear of the area while we work
Ask for a quote
The more we know about the job, the more useful the quote. Let us know the location, the problem and roughly how many joints, and email photos if that’s easy.
Advice
What fire rated sealant looks like in Longcross
Workplaces and the common parts of blocks of flats in England need a fire risk assessment under the Regulatory Reform (Fire Safety) Order 2005, and gaps around services are often picked up there. We work to the specification you’re given, installing the product to its tested details.
If you look after a church, hall or community building such as Longcross Church, service openings in its walls need the right fire-rated sealant, as in any building.
Longcross is about 4 miles south-west of Egham, in Surrey. Every kind of property in Longcross is covered for fire rated sealant, old or new, large or small. The work is guaranteed for a year. Longcross is one of 395 places in Surrey where we work for fire rated sealant. We also work in Reading, around 18 miles away.
All of KT16 is within our area for fire rated sealant, from the main roads to the quietest streets. That includes homes and businesses on Longcross Road, Tanglewood Close and Albury Close. Close by, we work in Trumps Green (1 mile north-east), Stonehill (1 mile south-east), Lyne (2 miles east), Mimbridge (3 miles south) and Ottershaw (3 miles south-east). Within a short drive, we also cover Guildford (9 miles south), Woking (4 miles south), Camberley (7 miles south-west), Epsom (14 miles east), Farnham (15 miles south-west) and Ewell (14 miles east).
Local landmarks in Longcross
Locally, jobs take us to homes and businesses close to Gracious Pond, among other places. For rail, the closest station is Longcross station, roughly 0.6 miles north-west. Well-known places in the area include St. Peter's Hospital (2.6 miles east) and Chobham Museum (2.2 miles south). Not far away are Virginia Water Lake and St Ann's Hill.
Honest limits
New sealant cannot fix everything, and we’d rather say so up front. Sealant will not put right:
- Openings too large for sealant, which need batts, boards or another system
- Deciding what fire stopping a building needs
- A wall that is not a fire-resisting element to begin with
If in doubt, ring 0345 464 0079 or email us and we’ll say what we think.
What we seal
- Service penetrations
- Flats & HMOs
- Linear gaps
- Door frames
- Pipe & cable gaps
- Plasterboard & masonry
Your questions about fire rated sealant in Longcross
Can you help a landlord with a rental near Longcross station?
Yes, landlords and agents are among the people we work for. Just call 0345 464 0079 or drop us an email with the address and what needs doing, and we’ll give you a clear quote.
Do you cover Longcross for fire rated sealant?
Yes. We work across London and the South East, and Longcross is part of that. You can phone 0345 464 0079 or drop us an email and let us know what needs doing, and we’ll send you a clear quote.
Do you work in flats, HMOs and commercial buildings?
Yes, whether the building is a school, an office, flats or an HMO, and whether it’s in use or not. Tell us how the building is used and we’ll plan around it.
Will you assess my building’s fire safety?
No. We work from the specification you give us.
Do you take out the old sealant first?
Always. Sealing over the old bead is the commonest cause of early failure, so we never do it.
How long does fire rated sealant take?
A typical job takes anything from a few hours to several days, depending on how many gaps there are. We will confirm how long when we quote.
Will you leave a mess?
Not at all. We work neatly, protect the area around the joints and tidy up afterwards.
How much does fire rated sealant cost in Longcross?
Size, access and the old material all affect the cost. Call for a quick quote.
Landlord and commercial work in Longcross
From a single let to a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
For anyone letting property in or around Longcross, several properties can go on one quote. Just tell us the addresses and what each one needs, and pictures by email help.
Common problems we fix in Longcross
Over time, buildings change layout and use. A house turned into flats or an HMO, or an office split into smaller units, brings new walls, new service routes and new gaps.
Keep an eye out for any of the following:
- New service routes left unsealed after building work
- Ordinary sealant used where a fire-rated product was needed
- Gaps flagged on a fire risk assessment
- Gaps around pipes and cables through fire-resisting walls
If you let a flat or house near Longcross station, new cables or pipes through a fire-resisting wall leave a gap that needs the right sealant.
Questions to ask before you book
- What product goes in the joint
- What happens if the job turns out different
- Who turns up on the day
- When the joint can take water or movement