Greater London · England
Charing Cross Fire Rated Sealant
Fire rated sealant across Charing Cross and nearby, with old sealant always removed completely and a 12-month guarantee.
- Cracked or shrunken fire-rated sealant
- Ordinary sealant used where a fire-rated product was needed
- Unsealed gaps where pipes and cables go through a wall
Signs you need fire rated sealant in Charing Cross
If the sealant is too shallow, has the wrong backing or sits on a dusty surface, it is not installed as tested. We see plenty of fire stopping that was hurried.
These are the problems we’re asked about most:
- Seals cut through by electricians, plumbers or data installers
- Gaps flagged on a fire risk assessment
- Open holes round services passing through fire walls
- Gaps where walls meet ceilings or slabs
Rented homes near London Charing Cross station change hands often, and fire-rated sealant around pipes and cables through walls and floors needs making good whenever new services go through.
What to look for in a quote
- How long the guarantee is
- How the joint is cleaned and prepared
- What the cure time is
- How hidden problems are handled
Fire rated sealant in Charing Cross, done properly
Fire stopping only performs as intended if it’s done to the detail: the right depth, the right backing and the right product for the substrate. That’s the part we focus on, gap by gap. We work on linear gaps, pipe & cable gaps and service penetrations, and the jobs we see most are unsealed gaps where pipes and cables go through a wall and ordinary sealant used where a fire-rated product was needed.
Across London, offices, shops, hotels, student halls and blocks of flats all need sealant work from time to time, whether that is washroom resealing or fire-rated sealant around service openings. Out-of-hours working can be arranged where a building in Charing Cross can’t close.
There’s a 12-month guarantee on every job, whatever its size.
- Where
- Charing Cross (W1F, W1D, W1S)
- Wider area
- Greater London
- Cover
- One year on every job
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Fire rated sealant in Charing Cross: local notes
In England, the Regulatory Reform (Fire Safety) Order 2005 requires a fire risk assessment for workplaces and for the common parts of blocks of flats, and gaps around services are often picked up there. We work to the specification you are given, installing the product to its tested details. Many London buildings have tight access and loading restrictions, so out-of-hours working can be arranged where needed.
If you look after a church, hall or community building such as St Martin-in-the-Fields, service openings in its walls need the right fire-rated sealant, as in any building. For site and facilities teams at buildings such as Soho Parish CofE Primary School, gaps opened by contractors for new cabling are a common finding in schools and offices.
Charing Cross is about 1 mile south-east of City of Westminster, in Greater London. Every kind of property in Charing Cross is covered for fire rated sealant. Every job comes with our one-year guarantee. Across Greater London, we cover 764 places, Charing Cross among them.
All of W1F, W1D and W1S is within our area for fire rated sealant, from the main roads to the quietest streets. Fire rated sealant is available to properties on Duck Lane, Drury Lane and Bridle Lane and the roads around them. Charing Cross sits on or near the A4 and A301, which makes travel easy. Other places close to Charing Cross include St James's (1 mile west), Adelphi (1 mile north-east), Chinatown (1 mile north-west), West End (1 mile north) and Covent Garden (1 mile north-east). We also work in nearby towns such as Kensington (3 miles west), Walthamstow (7 miles north-east), Hoxton (3 miles north-east), Whitechapel (3 miles east), Hampstead (4 miles north-west) and Ruislip (13 miles west).
Around Charing Cross
We work in homes and buildings around Westminster Abbey Choir School, Silver Cross Tavern and Harris Westminster Sixth Form. Nearby too are London Library (within half a mile west) and Victoria Embankment Gardens (less than half a mile east). Charing Cross has its own railway station: London Charing Cross station. Nearby you’ll also find Montfichet's Tower (1.2 miles east) and Royal United Services Institute (under half a mile south). Open spaces near Charing Cross include Barnsbury Wood and St. James's Park Lake.
For landlords and businesses
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
In hotels, rooms out of use cost money, so the work can be planned room by room. We have worked in hotels as well as homes and businesses.
How it works
A visit follows a simple pattern: we look at the joints together, mask and protect the surrounding surfaces, do the work and tidy away. It usually takes anything from a few hours to several days, depending on how many gaps there are. Many London jobs are in flats, so we come ready for stairs, narrow hallways and shared entrances. Mention any building rules, key holders or managing agents when you book.
- Before starting, we go through the specification or action list with you.
- We measure every gap and note what it’s in and what passes through.
- Any non-fire-rated filler is removed.
- The specified fire-rated sealant goes in over any backing its detail requires.
- We hand over a list of locations and products.
Getting ready for the visit
- Let us know if you’ve seen damp or leaks
- Keep children and pets away from the work area
- Mention any parking rules near the property
Get a quote
For a quick quote, get us on the phone, or email us if that’s easier. Describe what needs sealing and we’ll talk you through the work before giving you a price.
Advice
How the job changes by surface
Service penetrations
Wherever a service goes through a fire-resisting wall or floor, there’s a gap around it. We seal it with a product tested for that service and gap size.
Door frames
Our work is the joint between frame and wall. The door leaf, its seals and closer need a door specialist, and we will say if we spot a problem with them.
Charing Cross: your questions answered
Can parking be tricky for a visit in Charing Cross?
It can be, so it helps to tell us about permits, visitor bays or off-street space when you book. That way the visit can be planned around it.
Do you take on hotel work around Charing Cross?
Yes. Hotel and guest-house work is part of what we do. Jobs can be programmed room by room, with out-of-hours working possible to arrange.
Are you insured?
Yes. Mr Mastic is fully insured, and we’ve been doing sealant work for more than 20 years.
Are you ARBOMaster approved?
Yes. Mr Mastic is an ARBOMaster approved applicator.
I’m a tenant. Can you help?
We can work for tenants, landlords or agents. Just make sure your landlord agrees.
Do you work in Charing Cross?
Yes. We work in Charing Cross and the rest of Greater London, as part of our work across South East England, London and Scotland. For a quote, phone 0345 464 0079 or send us an email.
Will we have a record of what was sealed?
Yes. You get a list of where we worked and what we used to keep with your fire safety documents.
Can you tell me which gaps need fire stopping?
No, we do not assess buildings. Once you have a specification or action list from your assessor or designer, we will quote for the sealant work on it.
Places near Charing Cross
Other services in Charing Cross
Keeping the joints in good condition
Simple care keeps the joints in good condition. Our advice:
- Do not paint over fire sealant until it has cured
- Flag any open gap you spot round a pipe or cable
- Keep general-purpose foam and caulk away from fire-stopping gaps
- Tell trades working in the building that fire seals must be put back
File the record of locations and products with your fire safety paperwork. It saves time at the next inspection or assessment.
When you plan work that goes through walls or ceilings, plan the fire stopping too. Doing it at the time avoids leaving gaps behind.
What affects the cost of fire rated sealant
The price is agreed before any work begins. It’s based on:
- Whether old sealant or filler has to be cut out
- Which sealant suits the joint
- The number of rooms or windows
- The size of the job
Homes and businesses are quoted the same way: the amount of work, the access and the products needed. Call for a quick quote and we’ll go through it with you.
Helping us quote
Photos by email are helpful but not essential. Try to tell us:
- Pictures of the joints, sent by email
- What the problem is, such as mould, gaps, leaks or cracking
- Whether it’s a home or a business
- How we’d reach the joints
To get a quote, phone 0345 464 0079 or send us an email with the location and a short description of the problem. You’ll have a clear quote before work begins.
Why it’s worth doing now in Charing Cross
If an assessor has flagged gaps, it makes sense to close them before the next review. Having them sealed and recorded now gives you evidence that the item was dealt with. In a flat in Charing Cross, failed sealant seldom stays inside your own four walls: water from a shower or window joint can reach the flat below, and gaps in fire-stopping matter to everyone in the building.
A failed joint rarely gets cheaper to fix by waiting, as water and mould keep getting in. If you are unsure, call 0345 464 0079 or drop us an email and we will give you an honest view and a quote.
Why book with us
- Anti-fungal silicone where joints get wet
- Domestic, commercial and hotel work
- ARBOMaster approved applicator
- We’re fully insured
See our cost guide or what customers say.