Kent · England
Fire-rated sealant in Coldharbour, Kent
Intumescent and fire-rated sealant around gaps, frames and service penetrations for homes and businesses in Coldharbour and across Kent. Fully insured, ARBOMaster approved and guaranteed for a year.
- Cracked or shrunken fire-rated sealant
- Standard silicone or caulk in a fire-stopping gap
- Damaged fire sealant left by other trades
Why it’s worth doing now in Coldharbour
A quick fill with any sealant to hand is not fire stopping. Fire-rated products are tested in set gap sizes, depths and substrates, which is why we match the product and the method to each gap. Around Coldharbour, older homes often have timber in their floors and frames, where water from a failed joint can cause rot if it’s left.
What it costs depends on the amount of work, how much old material has to come out and how easy the joints are to reach. We give a clear quote before we start, so you know where you stand.
Why Coldharbour clients choose us
- We never seal over old sealant
- Rated 4.9 stars on Google
- Anti-fungal silicone where joints get wet
- Fully insured
Take a look at how sealant jobs are priced or our reviews.
How we handle fire rated sealant in Coldharbour
Later work by other trades often breaks through fire stopping, especially in flats, HMOs, offices and schools. One new cable or pipe can leave a gap that nobody goes back to seal. We seal them with a product tested for that kind of gap. Typical jobs include gaps flagged on a fire risk assessment and unsealed gaps where pipes and cables go through a wall, across flats & HMOs, door frames and plasterboard & masonry.
For holiday lets, converted business premises or a community building near Coldharbour, 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.
- Where
- Coldharbour (TN11)
- Wider area
- Kent
- Guarantee
- A year, on every job
- Quotes
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Landlord and commercial work in Coldharbour
Water getting past a failed joint can damage the building, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance that we can handle for you.
For anyone letting property in or around Coldharbour, jobs at different addresses can be quoted together. Send us the addresses and the work at each, and pictures by email help.
How it works
Every visit runs the same way: we check the joints, mask and protect the surrounding surfaces, 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 Coldharbour, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We begin by agreeing the list of gaps from your assessor’s or designer’s requirements.
- We measure every gap and note what it’s in and what passes through.
- Any non-fire-rated filler is removed.
- We fit backing where needed and apply the fire-rated sealant to depth.
- Every location is recorded with the product used.
Before we arrive
- Clear items away from the joints we are working on
- Keep children and pets away from the work area
- Mention any parking rules near the property
How to get a quote
We quote each job on its own, so the first step is telling us about yours. Simply call 0345 464 0079 or email us and describe the job and send pictures if you have them.
Read more
Questions from Coldharbour
I let a flat near Hildenborough station. Can you help?
Yes. We work for landlords and letting agents as well as homeowners. Just ring 0345 464 0079 or email us with the address and what needs doing, and we’ll give you a clear price.
Can you do fire rated sealant in Coldharbour?
Yes, Coldharbour is within the area we cover. Our work covers London and the South East. Just call 0345 464 0079 or send us an email with a few details of the job.
Which products do you use?
We choose the sealant for the joint, not the other way round. Movement, water and weather all affect the choice, and we’ll tell you what we’re using.
Can you quote for more than one area?
Yes, we can. More than one area can be quoted together.
Can you tell me which gaps need fire stopping?
No. That is for a fire risk assessor, designer or building control. Our job is applying the sealant to their specification.
Do I have to be there?
If the work is inside, we need someone to let us in. Once we have agreed the job, you don’t need to watch us work.
Will we have a record of what was sealed?
Yes. We record the locations we’ve sealed and the products used for your files.
How long does the job take?
Typically it takes a few hours for a handful of gaps, and longer for a whole building. Bigger jobs take longer, and we will tell you how long to expect.
Also near Coldharbour
What else we do in Coldharbour
Workplaces and buildings in Coldharbour
Workplaces and the common parts of blocks of flats in England need a fire risk assessment under the Regulatory Reform (Fire Safety) Order 2005, which is often where open fire-stopping gaps are first noticed. We apply fire-rated sealant to the assessor’s or designer’s specification and the product’s tested details.
If you let a flat or house near Hildenborough station, any gap left by new services in shared walls should be closed with a fire-rated product. For buildings such as Parish Church of St John, older buildings that have had new heating or wiring often have service gaps worth checking.
Coldharbour is about 2 miles north of Tonbridge, in Kent. Anywhere in TN11, we can carry out fire rated sealant at your property. Coldharbour is one of 922 towns and villages in Kent we cover. Our Crawley page covers work nearby.
Every address in TN11 is within our area for fire rated sealant. Other places close to Coldharbour include Hildenborough (1 mile south-west), Hilden Park (1 mile south), Watt's Cross (1 mile west), Budds (1 mile north) and Stocks Green (2 miles south-west). We also work in nearby towns such as Maidstone (12 miles east), Dartford (15 miles north), Sevenoaks (5 miles north-west), Royal Tunbridge Wells (6 miles south), Gravesend (15 miles north) and Northfleet (15 miles north).
Near you in Coldharbour
Typical jobs here are in homes near Hugh Christie Technology College and The Flying Dutchman Public House. For rail, the closest station is Hildenborough station, about 1.6 miles south-west of the centre. Well-known places in the area include Tonbridge Castle (2.2 miles south) and The Milne Museum (2 miles south). Green spaces nearby include Tudeley Woods RSPB reserve and Barden Lake.
What we are called out for in Coldharbour
Sealant applied too thin, without the backing its detail needs, or onto dust won’t perform as it was tested. We see plenty of fire stopping that was hurried.
The most common problems we see are:
- Sealant items on a fire risk assessment action list
- Fire stopping disturbed by later work
- Gaps filled with a product that isn’t fire-rated
- Gaps around pipes and cables through fire-resisting walls
If you look after a building such as St Margaret Clitherow Catholic Primary School, service openings in fire-resisting walls need checking after any refurbishment.
Questions to ask before booking
- Whether you can choose the colour
- What preparation is included
- Which sealant they’ll use, and why
- What insurance they hold
Can I do it myself?
If you’ve already had a go yourself, that is fine. We remove it and do the joint properly.
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Quotes for fire rated sealant in Coldharbour
Call for a quick quote. What matters most is:
- When we can work, for business premises
- How many rooms, windows or areas are involved
- Which sealant suits the joint
- Whether old sealant or filler has to be cut out
Leaving a failed joint usually makes the job bigger, not smaller, because water and mould keep working on it. If you’re not sure whether it needs doing, ring 0345 464 0079 or drop us an email for an honest opinion and a quote.
Asking for a quote
When you call or email, it’s useful to know:
- How we’d reach the joints
- Photos by email, if that is easy
- What’s wrong with the joints now
- If it’s domestic, commercial or a hotel
Call for a quick quote, or email us if that is easier. Describe what needs sealing and we’ll explain what’s involved.
How the job changes by surface
Flats and HMOs
In occupied buildings, we plan the order of work with you. Access to flats and common areas is agreed in advance so residents know what to expect.
Service penetrations
Wherever a service goes through a fire-resisting wall or floor, there’s a gap around it. The sealant is chosen for what passes through and how wide the gap is.