Aberdeenshire · Scotland
Fire Rated Sealant in Johnshaven
Fire rated sealant in Johnshaven from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Open joints along the top of partitions
- Cracked or shrunken fire-rated sealant
- Standard silicone or caulk in a fire-stopping gap
DIY versus a professional finish
A careful DIYer can reseal a simple joint, 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.
What a professional job adds is preparation and the right 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.
Fire rated sealant for homes and businesses in Johnshaven
Filling a fire-stopping gap with standard silicone or caulk does not make it fire-rated. Anything unsuitable comes out first and the gap is resealed with a product tested for that use. If you have seals cut through by electricians, plumbers or data installers and linear gaps at the head of walls, we can put it right, whatever the surface.
Work in a place like Johnshaven is planned ahead, journey included, so the job can fit around guests, residents or opening hours where possible.
The work is guaranteed for twelve months. If something is not right with it in that time, tell us and we’ll put it right.

- Place
- Johnshaven (DD10)
- Region
- Aberdeenshire
- Guarantee
- 12 months on all our work
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
What happens on the day
A visit follows a simple pattern: we look at the joints together, protect the area around them, do the work and clear up. It generally takes from a few hours to a few days, depending on the number of gaps and the access. Outside jobs in Johnshaven need a dry day, because sealant will not bond to a wet joint, so external jobs may need to move if the day turns wet. Work indoors is not affected.
- We plan the order of work and access, floor by floor or flat by flat.
- Old, damaged or unsuitable sealant is removed.
- Gaps are cleaned of dust and loose material.
- The fire-rated or intumescent sealant is applied and tooled to the tested detail.
- Locations and products are written up and any gaps unsuitable for sealant are flagged.
Preparing for the visit
- Let us know about stairs, lifts or work at height
- Mention any sign-in or site rules at work premises
- Mention any leaks or damp you’ve noticed
Get a quote
For a quote, drop us a line at info@mrmastic.co.uk with the location and a short description of the problem. You will have a clear quote before we start.
Read more
Landlords, agents and businesses in Johnshaven
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements and we’ll quote.
Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. Several properties can go on one quote.
Different surfaces, different methods
Door frames
Our work is the joint between frame and wall. The door leaf, its seals and closer need a door specialist, and we’ll say if we spot a problem with them.
Service penetrations
Different services need different details: metal pipes, cables and plastic pipes are not treated the same. Each one is sealed to the product’s tested detail, and tell you if sealant alone is not the right fix.
Nearby places to Johnshaven
Other services in Johnshaven
Common questions in Johnshaven
How do Scotland’s building regulations apply to fire-rated sealant in Johnshaven?
Building work in Scotland comes under the Building (Scotland) Regulations and their technical handbooks. Whatever the rules, fire-rated sealant has to be installed to the manufacturer’s tested details, and that is how we fit it. We do not certify buildings or carry out fire risk assessments, so your fire risk assessor or building control will advise on what’s needed.
Will you come out to Johnshaven?
Yes, Johnshaven is covered. We work across all of Scotland, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Where are you based?
We work from Crawley. We cover Johnshaven and the rest of Aberdeenshire, along with the rest of our area.
I rent my home. Can I book you?
Of course. Check with your landlord; we can send the quote to them too.
Can you fill the gap behind a fire door frame?
Yes. We often seal open gaps hidden behind the architrave. Doors, seals and closers need a door specialist.
Which products do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice, and we will tell you what we’re using.
Should I try DIY first?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs.
How much does fire rated sealant cost in Johnshaven?
We don’t publish prices, because the cost 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.
Aftercare tips
Aftercare is simple, and it makes a real difference:
- Check risers, ceiling voids and cupboards during building checks
- Don’t paint over fire sealant until it has cured
- Get damaged fire seals looked at promptly
- Don’t fill fire-stopping gaps with ordinary foam or silicone
Do not drill through or remove a fire seal without putting it back properly. If you need new services through a sealed wall, plan the fire stopping as part of the job.
An open gap isn’t only a fire issue: they also let noise, draughts and sometimes pests through. Sealing them early helps on every front.
Do you need fire rated sealant in Johnshaven?
Lots of unsealed gaps appear long after the building was completed. New cables, pipes and data runs go through walls and ceilings and the hole they leave does not always get resealed.
Look out for any of the following:
- Open gaps behind door architraves
- Unsealed gaps where pipes and cables go through a wall
- Seals cut through by electricians, plumbers or data installers
- Linear gaps at the head of walls
Around Johnshaven, as everywhere, fire rated sealant is only as good as the preparation behind it.
Before you book anyone
- Who turns up on the day
- Whether all the old sealant comes out first
- Whether you can choose the colour
- What happens if the job turns out different
Honest limits
It helps to know what we can’t do too:
- Issuing a fire rating or certificate for a building
- Assessing a building’s fire safety
- Big openings where sealant alone isn’t the tested solution
If in doubt, drop us a line at info@mrmastic.co.uk and we’ll say what we think.
What we seal
- Linear gaps
- Pipe & cable gaps
- Flats & HMOs
- Door frames
- Service penetrations
- Plasterboard & masonry
Workplaces and buildings in Johnshaven
For seaside hotels, guest houses and holiday lets around Johnshaven, busy months put washrooms and kitchens under pressure, so it’s worth checking the sealant before the busiest weeks. Scotland has its own building regulations, the Building (Scotland) Regulations, with technical handbooks. Fire-rated sealant is installed to the manufacturer’s tested details, though we don’t certify buildings or do fire risk assessments.
For jobs in and around Johnshaven, choosing the right material for each joint is as important as a tidy finish.
Johnshaven is about 8 miles north-east of Montrose, in Aberdeenshire. Jobs in Johnshaven get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Johnshaven is one of 161 places in Aberdeenshire where we work for fire rated sealant. For nearby work, see our Aberdeen page.
All of DD10 is within our area for fire rated sealant. Whether your property is on Square, Main Street and Mid Street or a nearby road, our applicators can take on the job. Other places close to Johnshaven include Gourdon (3 miles north-east), St Cyrus (3 miles south-west), Inverbervie (4 miles north-east), Arbuthnott (5 miles north) and Laurencekirk (6 miles north-west). We also work in nearby towns such as Montrose (8 miles south-west), Stonehaven (13 miles north), Hillside (6 miles south-west) and Ferryden (8 miles south-west).
Local landmarks in Johnshaven
A little further out are Benholm Castle (2.1 miles north). For a walk, there’s St Cyrus National Nature Reserve.
