Greater London · England
Fire-rated sealant in Edgware, Greater London
We cover Edgware for intumescent and fire-rated sealant around gaps, frames and service penetrations. Old sealant removed completely, joints prepared properly.
- Joints picked up in a fire-stopping survey
- Damaged fire sealant left by other trades
- Cracked or shrunken fire-rated sealant
Fire rated sealant in Edgware
Filling a fire-stopping gap with standard silicone or caulk doesn’t make it fire-rated. Anything unsuitable comes out first and the gap is resealed with a product tested for that use. If you are dealing with unsealed gaps where pipes and cables go through a wall and gaps left after a refit or conversion, we can put it right.
Across London, offices, shops, hotels, student halls and blocks of flats all need sealant work from time to time, whether that’s washroom resealing or fire-rated sealant around service openings. Where a building in Edgware needs to stay open, work can be planned outside normal hours.
You get a 12-month guarantee, the same in Edgware as everywhere else we work.
- Place
- Edgware (HA8, NW7, HA7)
- Region
- Greater London
- Guarantee
- 12 months on all our work
- Price
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Do you need fire rated sealant in Edgware?
In some buildings the gap was filled with the wrong thing in the first place: ordinary expanding foam, standard silicone or decorators’ caulk where a fire-rated seal was needed. It looks sealed, but it isn’t fire-rated.
Look out for any of the following:
- Gaps around pipes and cables through fire-resisting walls
- Gaps flagged on a fire risk assessment
- Cracked or shrunken fire-rated sealant
- Standard silicone or caulk in a fire-stopping gap
Schools such as Beit Shvidler Primary School are buildings too, and gaps opened by contractors for new cabling are a common finding in schools and offices.
Before you book anyone
- What the quote includes, VAT included or not
- What guarantee comes with the work
- How the colour is chosen
- What happens if the job turns out different
Different surfaces, different methods
Linear gaps
Gaps along the top of partitions are easy to miss above a ceiling. We seal them along their full length leaving no stretch unsealed.
Door frames
The gap between a door frame and the wall around it needs sealing as well as the door itself. We fill it with a fire-rated product suited to the materials either side.
Looking after it afterwards
How long the joints last depends on use and care. We suggest:
- Get damaged fire seals looked at promptly
- Do not paint over fire sealant until it has cured
- Photograph sealed gaps before they’re covered up
- Include hidden areas like risers in routine checks
Do not drill through or remove a fire seal without putting it back properly. New services through a sealed wall should include fire stopping in the plan.
Open gaps don’t only matter in a fire: they also let noise, draughts and sometimes pests through. Dealing with them early helps with all of these.
How we quote for fire rated sealant
The price is agreed before any work begins. It’s based on:
- Any working-time requirements on site
- The type of sealant required
- The size of the job
- How many rooms, windows or areas are involved
Homes and businesses are quoted the same way: how much there is to do, how we reach it and what it needs, along with when we can work on site. Call for a quick quote and we’ll go through it with you.
What to tell us for a quote
Before you ask for a quote, have a think about:
- Access, such as stairs, a lift or height
- If someone has resealed it before
- The problem you’ve noticed
- Roughly how big the job is
It all starts with a short chat. Describe the problem, the location and the size of the job, and we will explain how we’d tackle it. When it suits you, phone 0345 464 0079 or email us.
What happens on the day
When we arrive, we look over the joints with you first, so there are no surprises. Surfaces next to the work are protected before any work begins. The work generally takes from a few hours to a few days, depending on the number of gaps and the access. In a London area like Edgware, the main things to plan are parking and access: tell us about permits, visitor bays or off-street space, which floor we’re working on and whether there’s a lift.
- First we work through your list or survey, measuring each gap and checking what it’s formed in.
- Anything that isn’t fit for the job comes out, and the gap is cleaned.
- We put in whatever backing or fill the product detail specifies.
- We apply the fire-rated or intumescent sealant to the specified depth and tool it.
- Locations and products are noted so you have them on file.
Getting ready for the visit
- Let us know if you’ve seen damp or leaks
- Let us know about stairs, lifts or work at height
- Let us know about earlier repairs to the joints
Getting a quote
There’s no standard price list, because every job is different. Instead, your job gets its own clear quote. To arrange one, call 0345 464 0079 or email us.
Read more
What else we do in Edgware
Landlords, agents and businesses in Edgware
We work for landlords and agents as well as householders. Sealant work between tenants is a simple way to keep a property in good order before the next move-in.
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.
Workplaces and buildings in Edgware
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 apply fire-rated sealant to the assessor’s or designer’s specification and the product’s tested details. Many London buildings have tight access and loading restrictions, so out-of-hours working can be arranged where needed.
Community buildings like St Andrew are part of the picture too: service openings in its walls need the right fire-rated sealant, as in any building. Rented homes near Mill Hill Broadway station change hands often, and any gap left by new services in shared walls should be closed with a fire-rated product.
Edgware is about 4 miles west of Finchley, in Greater London. If you need fire rated sealant in Edgware, please phone 0345 464 0079 or send us an email for a quick quote. We cover Greater London from our Crawley base, Edgware included. 764 places in Greater London are on our list. Our London page covers work nearby, about 11 miles away.
Postcode districts we cover here for fire rated sealant: HA8, NW7 and HA7. Local streets include Station Road, Edgware Road High Street and Hillcrest Avenue, and we cover them all. Being close to the A5100, Edgware is simple for us to get to. If you’re just outside Edgware, we cover The Hale (1 mile east), Broadfields Estate (1 mile north), Burnt Oak (1 mile south-east), Canons Park (1 mile south-west) and Little Stanmore (1 mile south-west). Further out, we also cover London (11 miles south-east), City of Westminster (9 miles south-east), Marylebone (9 miles south-east), Kensington (9 miles south), St Pancras (9 miles south-east) and Shoreditch (10 miles south-east).
Local landmarks in Edgware
Typical jobs here are in homes near The Northgate School, Railway Hotel and London Academy, among other places. For rail, the closest station is Mill Hill Broadway station, roughly 1.1 miles south-east. Well-known places in the area include Hilfield Castle (3.6 miles north-west) and Broadwalk Centre (0.5 miles south-west). The countryside around Edgware includes Darland's Lake and Mill Hill Old Railway Nature Reserve.
Edgware questions
Can you help a landlord with a rental near Mill Hill Broadway station?
Yes. We work for landlords and agents as well as homeowners, and several properties can be quoted together. Just phone 0345 464 0079 or send us an email with the address and what needs doing, and we’ll give you a clear price.
Is Edgware in your area for fire rated sealant?
Yes, Edgware is within the area we cover. We work across London and the South East. You can ring 0345 464 0079 or email us and tell us what needs doing, and we will give you a clear price.
Is standard sealant good enough for a fire gap?
No. Standard sealants aren’t made or tested to stop fire. We cut it out and reseal with a fire-rated product.
What does fire rated sealant cost?
Size, access and the old material all affect the cost. Ask us for a quote.
Where is Mr Mastic based?
Our base is Crawley, with over 20 years’ experience. Our area covers South East England, London and Scotland.
Does someone need to be in?
We need access to the joints, so we’ll agree that with you when we book. Indoors, that normally means someone at home.
Will you leave a mess?
Not at all. The area is protected while we work and cleaned up afterwards.
Can you work in occupied buildings?
Yes, in flats, HMOs, schools, offices and other buildings, occupied or empty. Let us know the building’s hours and we will plan the work to suit.
Honest limits
To be straight with you, there are a few things sealant won’t fix:
- Fire doors that need new seals, closers or hardware
- Large holes that need a different fire-stopping system
- A wall that is not a fire-resisting element to begin with
If you’re not sure, just phone 0345 464 0079 or send us an email and we’ll give you a straight answer before you book.
What we seal
- Door frames
- Linear gaps
- Service penetrations
- Pipe & cable gaps
- Plasterboard & masonry
- Flats & HMOs