Kent · England

Folkestone Fire Rated Sealant

Intumescent and fire-rated sealant around gaps, frames and service penetrations for homeowners, landlords and businesses in Folkestone. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.

  • Open gaps behind door architraves
  • Standard silicone or caulk in a fire-stopping gap
  • Linear gaps at the head of walls

Fire rated sealant near Folkestone

Fire rated sealant for homes and businesses in Folkestone

We can work through a building room by room or floor by floor, with each location and product recorded. That record is useful for your files and for whoever looks at the building next. If you are dealing with gaps left after a refit or conversion and damaged fire sealant left by other trades, we can help.

Shared washrooms take far more use than a home bathroom, and their sealant shows it, and fire-rated joints need restoring whenever new services are run through a wall. In Folkestone, timings are planned around the building.

Our work is backed for twelve months, in Folkestone and everywhere else we cover.

Location
Folkestone (CT20, CT19, CT21)
Region
Kent
Guarantee
A year, on every job
Quotes
Quoted before any work starts
Call
0345 464 0079
Updated
26 October 2026
Eleven members of the Mr Mastic team standing in front of branded white vans

What we’re called out for in Folkestone

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.

People usually contact us after spotting something like this:

  • Unsealed gaps around fire door frames
  • Fire stopping disturbed by later work
  • Ordinary sealant used where a fire-rated product was needed
  • Linear gaps at the head of walls

Letting a property close to Folkestone Central station? Then fire-rated sealant around pipes and cables through walls and floors needs making good whenever new services go through.

What your quote should include

  • How the surfaces are prepared before sealing
  • Whether all the old sealant comes out first
  • Is VAT in the price?
  • How long to leave it before use

Choosing a sealant specialist

Fire rated sealant in Folkestone: local notes

For seaside hotels, guest houses and holiday lets around Folkestone, busy months put washrooms and kitchens under pressure, so it’s worth checking the sealant before the busiest weeks. 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 work to the specification you are given, installing the product to its tested details.

If you look after a church, hall or community building such as United Reformed Church, gaps around pipes and cables are worth checking after any building work there. Schools such as Stella Maris Catholic Primary School are buildings too, and gaps opened by contractors for new cabling are a common finding in schools and offices.

Folkestone is in Kent. Whether you are in the middle of Folkestone or further out, we cover fire rated sealant for every kind of property. Our Kent coverage runs to 922 places, and Folkestone is one of them. Chelmsford is on our list too, around 54 miles away.

Here we cover the CT20, CT19 and CT21 postcode area for fire rated sealant. Fire rated sealant is available to properties on Christ Church Road, Middelburg Square and Station Road. Folkestone sits on or near the A259 and A260, which makes travel easy. Neighbouring places we cover for fire rated sealant include Cheriton (1 mile west), Sandgate (1 mile south-west), Hawkinge (2 miles north), Arpinge (2 miles north-west) and Seabrook (2 miles west). We also work in nearby towns such as Ashford (14 miles west), Canterbury (14 miles north), Dover (7 miles north-east), Deal (13 miles north-east), Hythe (4 miles west) and Tower Hamlets (7 miles north-east). Folkestone is one of the larger places we cover in Kent.

Local landmarks in Folkestone

Locally, jobs take us to homes and businesses close to The Park Inn Hotel, Lower Leas Coastal Park and The Harvey Grammar School, among other places. Folkestone has its own railway station: Folkestone Central station. Other landmarks nearby include Folkestone Museum (0.7 miles south-east) and Folkestone Castle (1 mile north). The countryside around Folkestone includes Sugar Loaf Hill.

Map of Folkestone © OpenStreetMap contributors

How the job changes by surface

Door frames

The gap between a door frame and the wall around it needs sealing as well as the door itself. We seal that gap with a fire-rated sealant suited to the frame and wall.

Service penetrations

New gaps tend to show up where services have been added. We clean out what’s there and reseal to the right depth over any backing the detail calls for.

What affects the quote in Folkestone

The quote reflects the job in front of us. We look at:

  • How much there is to do
  • Access and height
  • The type of sealant required
  • The old material and how stubborn it is

Commercial jobs are quoted on the same basis as homes: the amount of work, how we reach it and what it needs, along with when we can work on site. Call for a quick quote and we will explain what it covers.

Asking for a quote

Photos help, but a description is a good start. Try to tell us:

  • Any previous sealing or DIY work
  • What the problem is, such as mould, gaps, leaks or cracking
  • How we’d reach the joints
  • If it’s domestic, commercial or a hotel

For fire rated sealant in Folkestone, phone 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and you will get a clear quote before work begins.

Honest limits

We’ll always be straight with you, so here’s what new sealant won’t do:

  • Fire risk assessments, which need a qualified assessor
  • Certifying a building or signing off its fire safety
  • Large holes that need a different fire-stopping system

If in doubt, ring 0345 464 0079 or drop us an email and we’ll say what we think.

Where we work in Folkestone

  • Door frames
  • Pipe & cable gaps
  • Plasterboard & masonry
  • Linear gaps
  • Flats & HMOs
  • Service penetrations

DIY sealant or a professional job?

Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.

The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, and the work is guaranteed for a year.

Folkestone questions

Can you do fire rated sealant in Folkestone?

Yes. We work across London and the South East, and Folkestone is part of that. Just call 0345 464 0079 or email us with a few details of the job.

Can you help a landlord with a rental near Folkestone Central station?

Yes, rental work is part of what we do. You can phone 0345 464 0079 or send us an email with the address and a few details, and we will give you a fixed price before work begins.

Where is Mr Mastic based?

Our base is Crawley, with over 20 years’ experience. We work across South East England, London and Scotland.

Is the work guaranteed?

Yes. All our work carries our 12-month guarantee.

Do I have to be there?

Access is agreed with you when the job is booked. For inside work, that normally means someone being in.

Is it messy?

Very little: the area around the joints is protected first, and we tidy up before we go.

Do you work in flats, HMOs and commercial buildings?

Yes, in flats, HMOs, schools, offices and other buildings, occupied or empty. Tell us how the building is used and we’ll plan around it.

Will we have a record of what was sealed?

Yes. We note each location and the product that went in, so you have it on file.

What happens on the day

We bring everything the job needs with us, so there’s nothing for you to buy. Once we’ve agreed what’s being done, the area is protected and the work begins. Most jobs take anything from a few hours to several days, depending on how many gaps there are. A visit in Folkestone needs access to the work and a place to park close by. For outside work, let us know about side access, gates and any upper-floor joints.

  1. We go through the gaps on your list or survey and check each one’s size and substrate.
  2. Old or unsuitable sealant is cut out and the gap cleaned.
  3. We put in whatever backing or fill the product detail specifies.
  4. We apply the fire-rated or intumescent sealant to the specified depth and tool it.
  5. We record the locations and products used for your records.

Preparing for the visit

  • Where the joints are inside, avoid wetting them before we arrive
  • Clear items away from the joints we’re working on
  • Tell us about any previous sealing or DIY attempts

How to get a quote

Call for a quick quote, or email us if that’s easier. Tell us about the joints that need doing and we’ll talk you through the work.

Get a price

Advice

How to look after the new joints

After the cure time, these simple habits help:

  • Ask which product was used before you paint
  • Include fire stopping when you schedule refits
  • Ask every contractor to reseal any fire stopping they disturb
  • Include hidden areas like risers in routine checks

Include fire stopping in your regular building checks. Watch for cracking, gaps or seals that have been disturbed and have them put right.

Open gaps do not only matter in a fire: they also let noise, draughts and sometimes pests through. Sealing them early helps on every front.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job