Essex · England
Fire Rated Sealant in Great Dunmow
Fire rated sealant for Great Dunmow, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Gaps filled with a product that is not fire-rated
- Old fire sealant that has split or come away
- Seals cut through by electricians, plumbers or data installers
How we handle fire rated sealant in Great Dunmow
Filling a fire-stopping gap with standard silicone or caulk doesn’t make it fire-rated. We cut out the wrong material and the gap is resealed with a product tested for that use. We are often asked to deal with seals cut through by electricians, plumbers or data installers and joints picked up in a fire-stopping survey, on linear gaps, flats & HMOs and plasterboard & masonry.
Commercial work around a smaller place like Great Dunmow usually means a pub, a shop, a school or small business units rather than office blocks. Each needs the same care with its sealant as any larger building.
The work is covered for a year after we finish. If there’s a problem with it, please call 0345 464 0079 or send us an email.
- Where
- Great Dunmow (CM6)
- Wider area
- Essex
- Cover
- 12 months on all our work
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
What happens if it’s left?
If an assessor has flagged gaps, it makes sense to close them before the next review. Getting them done and written up gives you evidence that the item was dealt with. In an older home around Great Dunmow, damp from a failed joint can get into timber and plaster, and that’s a much bigger job than renewing the sealant.
The cost reflects the work involved, not a rough estimate. That’s why we ask about the job first.
Why Great Dunmow clients choose us
- Rated 4.9 stars on Google
- Old sealant always removed completely
- We are fully insured
- Quality sealants from Arbo and Everbuild
Read what affects the cost or customer reviews.
Great Dunmow: your questions answered
Do you cover smaller places like Great Dunmow?
Yes. Great Dunmow is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
I let a flat near Stansted Airport station. Can you help?
Yes. We work for landlords and letting agents as well as homeowners. You can call 0345 464 0079 or drop us an email with the details for a clear quote.
Do you offer different sealant colours?
Generally, yes. Sealants come in white, clear, grey and other colours for many products, and we will agree it with you first.
How do I get a quote for fire rated sealant in Great Dunmow?
There’s no set price, as it depends on the job: how much there is, what’s there now, how we reach it and what it needs. We agree the price before any work begins.
Can you tell me how many minutes the seal will last?
We don’t give ratings or certificates for our work. Your specification sets the requirement, and we apply a product tested for it with a record of each location.
Can you tell me which gaps need fire stopping?
No, we do not assess buildings. When your assessor or designer has set out what’s needed, we can quote for the fire-rated sealant items.
Where are you based?
Mr Mastic is based in Crawley. Our applicators cover Great Dunmow.
What do you need from me for a quote?
Only a few details: where it is, what you’ve noticed and how we reach it. Then ring 0345 464 0079 or drop us an email.
The process
We keep the work tidy and contained to the area we’re working on, so you can carry on as normal. Expect the work to take from a few hours to a few days, depending on the number of gaps and the access, and we explain the cure time before we leave. In a smaller place like Great Dunmow, parking is seldom the issue; lanes, gates and long drives are worth mentioning. For outside work, side access and the height of the joints help us plan.
- We go through the gaps on your list or survey and check each one’s size and substrate.
- We remove any old or unsuitable filler and clean the gap.
- Where the tested detail needs backing or fill, we fit it.
- The sealant goes in to the depth its detail sets, then it’s tooled off.
- Finally, we list where we worked and what we used, for your records.
Getting ready for the visit
- For business premises, tell us about site rules or sign-in
- Let us know about earlier repairs to the joints
- Keep children and pets away from the work area
How to get a quote
Call for a quick quote, or send an email if you’d rather. Tell us about the joints that need doing and we will talk you through the work and send you a clear quote.
Advice
Nearby places to Great Dunmow
Other services in Great Dunmow
Commercial buildings in Great Dunmow
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’re given, installing the product to its tested details. Great Dunmow has hotels and guest accommodation in and around it. For hotels, a room-by-room programme keeps most rooms in use while the work goes on.
If you look after a building such as Dunmow St Mary's Primary School, service openings in fire-resisting walls need checking after any refurbishment. If you look after a church, hall or community building such as Parish Church of St Mary the Virgin, older buildings that have had new heating or wiring often have service gaps worth checking.
Great Dunmow is about 9 miles west of Braintree, in Essex. Across the CM6 area, we can carry out fire rated sealant at your property. We cover 644 towns and villages across Essex, from the larger towns to small villages. You can also see our page for Chelmsford, about 11 miles away.
Work in CM6 works the same way as everywhere else we cover. If you need fire rated sealant at a property on Market Place, High Street and Station Road or a nearby road, we can help. Main roads around Great Dunmow include the B1008 and B1057, which makes travel easy. We also cover the places around Great Dunmow: Church End (1 mile north-east), Little Easton (2 miles north-west), Barnston (2 miles south-east), High Roding (3 miles south-west) and Great Canfield (3 miles south-west). We also work in nearby towns such as Chelmsford (11 miles south-east), Braintree (9 miles east), Harlow (13 miles south-west), Witham (13 miles south-east), Saffron Walden (11 miles north-west) and Halstead (13 miles east).
Landmarks near Great Dunmow
We work in homes and buildings around Helena Romanes School and Sixth Form Centre and The Chequers Public House, among other places. For rail, the closest station is Stansted Airport station, roughly 4.3 miles west. Well-known places in the area include Little Easton Moat (1.6 miles north-west).
What affects the quote in Great Dunmow
We quote each job individually. These are the things that affect it:
- Access and height
- Whether there’s mould to deal with
- Any working-time requirements on site
- How many rooms, windows or areas are involved
Instead of a standard rate, we look at what your job involves: the amount of work, the old material and the access. The price is agreed before we begin.
What we need to know
There’s no need for technical detail. Just tell us:
- Whether it’s a home or a business
- Access, such as stairs, a lift or height
- Where the property is
- Any previous sealing or DIY work
For a quote, ring 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. You’ll have a clear quote before we start.
Keeping the joints in good condition
Looking after new joints is easy, and it makes a real difference:
- Check risers, ceiling voids and cupboards during building checks
- Make resealing part of every contractor’s brief
- Store the list of sealed gaps with your building paperwork
- 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.
If a fire risk assessment has flagged a gap, do not leave it for the next one. Get it sealed and recorded so you can show it was dealt with.
When it is not the sealant
A few problems are outside what sealant work can do:
- Construction that does not provide fire resistance on its own
- Assessing a building’s fire safety
- Big openings where sealant alone isn’t the tested solution
If in doubt, phone 0345 464 0079 or drop us an email and we will say what we think.
Surfaces we seal
- Door frames
- Service penetrations
- Plasterboard & masonry
- Flats & HMOs
- Pipe & cable gaps
- Linear gaps
Surface by surface
Linear gaps
A linear joint may need to allow for movement as well as fire. The product and depth are chosen to suit both, following the tested detail.
Plasterboard walls
Plasterboard partitions are common in flats, offices and conversions. The sealant has to be one tested in plasterboard for the gap we are sealing.
Common problems we fix in Great Dunmow
Sometimes the wrong product was used from the start: general-purpose foam, everyday silicone or caulk where a fire-rated seal was needed. It may look fine, but it is not a fire-rated seal.
Common reasons people contact us include:
- Seals cut through by electricians, plumbers or data installers
- Old fire sealant that has split or come away
- Ordinary sealant used where a fire-rated product was needed
- Joints picked up in a fire-stopping survey
For landlords with property near Stansted Airport station, any gap left by new services in shared walls should be closed with a fire-rated product.
Comparing quotes
- What the cure time is
- How long the guarantee is
- What preparation is included
- Is the old sealant removed completely?