Dumfries and Galloway · Scotland
Cairnryan Fire Rated Sealant
Intumescent and fire-rated sealant around gaps, frames and service penetrations for homeowners, landlords and businesses in Cairnryan. ARBOMaster approved applicators, fully insured, with a one-year guarantee.
- Holes left by a change of layout
- Seals cut through by electricians, plumbers or data installers
- Unsealed gaps around fire door frames
Fire rated sealant in Cairnryan
Filling a fire-stopping gap with standard silicone or caulk does not make it fire-rated. We cut out the wrong material and the gap is resealed with a product tested for that use. We work on flats & HMOs, door frames and linear gaps, and people most often call us about seals cut through by electricians, plumbers or data installers and open holes round services passing through fire walls.
For a place like Cairnryan, the journey and timings are planned in advance, so the job can fit around guests, residents or opening hours where possible.
Whatever the size of the job, you get the same one-year guarantee in Cairnryan and across Dumfries and Galloway.
- Location
- Cairnryan (DG9)
- Wider area
- Dumfries and Galloway
- Guarantee
- 12 months on all our work
- Price
- Quoted before any work starts
- info@mrmastic.co.uk
- Updated
- 26 October 2026

Surface by surface
Plasterboard walls
Holes in plasterboard are often cut roughly for services. Where a hole is bigger than the sealant’s tested range, it needs another approach.
Flats and HMOs
In flats and HMOs, the walls and floors between homes and common areas need sealing where services pass through. We seal the gaps your assessor has identified room by room.
Why it’s worth doing now in Cairnryan
For some gaps, sealant isn’t the right answer and another system is needed. Big openings, bundles of cables and plastic pipes may need batts, collars or wraps instead. If a gap isn’t suitable for sealant, we’ll tell you. Around Cairnryan, water from a failed joint in an older stone home can soak into timber and plaster.
A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you are unsure, send an email to info@mrmastic.co.uk and we will give you an honest view and a quote.
Why book with us
- Every job guaranteed for a year
- 180+ five-star Google reviews
- Homes, businesses and hotels
- We are fully insured
Take a look at how sealant jobs are priced or our reviews.
Commercial buildings in Cairnryan
For seaside hotels, guest houses and holiday lets around Cairnryan, busy months put washrooms and kitchens under pressure, so it’s worth checking the sealant before the busiest weeks. In Scotland, building work comes under the Building (Scotland) Regulations and their technical handbooks. We install fire-rated sealant to the product’s tested details; we do not certify buildings or carry out fire risk assessments.
Rented homes near Stranraer station change hands often, and new cables or pipes through a fire-resisting wall leave a gap that needs the right sealant.
Cairnryan is about 4 miles north of Stranraer, in Dumfries and Galloway. Our applicators cover fire rated sealant for homes and businesses in Cairnryan, as part of our work across Dumfries and Galloway. 138 places in Dumfries and Galloway are on our list, from the larger towns to small villages. There’s also a page for Glasgow, roughly 68 miles from Cairnryan.
Work in DG9 works the same way as everywhere else we cover. We also cover Kirkcolm (3 miles west), Innermessan (3 miles south), Leswalt (4 miles south-west), Stranraer (4 miles south) and Aird (5 miles south).
Near you in Cairnryan
The nearest railway station is Stranraer station, about 4 miles south of the centre. Other landmarks nearby include Galloway Community Hospital (4.7 miles south) and North West Castle (4.3 miles south). The countryside around Cairnryan includes Loch Ree.
Also in Cairnryan
Cairnryan: your questions answered
How do Scotland’s building regulations apply to fire-rated sealant in Cairnryan?
Scotland has its own building regulations, the Building (Scotland) Regulations, with their own technical handbooks. Fire-rated sealant has to go in to the product’s tested details, and we follow them. 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.
Is Cairnryan within the area you cover?
Yes, we do. We work across all of Scotland, and smaller places are part of that. Longer journeys are simply planned in advance.
How long does fire rated sealant take?
It depends on the size of the job, but as a guide it takes from a few hours to a few days, depending on the number of gaps and the access. We will give you a better idea when we quote.
Can you quote for more than one area?
Yes. Just list everything you need and we will quote it together.
Do I have to be there?
It depends on the job. Inside work needs someone to give us access, and for outside work we will agree access with you when we book.
Can ordinary silicone be used in a fire-stopping gap?
No. Ordinary silicone, caulk or foam is not tested as fire stopping. We cut it out and reseal with a fire-rated product.
Which products do you use?
The product depends on the job: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. Brands we use include Arbo and Everbuild.
Can you give us a record of the work?
Yes. Locations and products are written up when we finish. If you need photos or a set layout, ask when you get a quote.
Quotes for fire rated sealant in Cairnryan
Your quote is based on your job. We look at:
- How many areas need sealing
- The type of sealant required
- Mould in or behind the old joints
- The number and length of the joints
The cost depends on how much there is to do, how much old material has to come out and how easy the joints are to reach. You will have a clear quote before any work starts, so you know where you stand.
What to tell us for a quote
To make quoting easier, please include:
- A few photos by email, if you can
- The type of property
- What’s wrong with the joints now
- Any previous sealing or DIY work
We quote each job on its own, so the first step is telling us about yours. Just send an email to info@mrmastic.co.uk with the details.
How it works
There’s no need to move everything out before we come, only the area right around the joints. We protect the rest, and the job takes a few hours for a handful of gaps, and longer for a whole building for a typical job. In smaller Scottish places, parking is normally less of an issue than access and distance. Tell us how to find the property and how to reach the work, and the visit is planned around that.
- First we work through your list or survey, measuring each gap and checking what it’s formed in.
- Old or unsuitable sealant is cut out and the gap cleaned.
- 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
- Where the joints are inside, avoid wetting them before we arrive
- For business premises, tell us about site rules or sign-in
- Mention any leaks or damp you’ve noticed
Get a quote
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is, and we will talk you through what we’d do. When it suits you, send an email to info@mrmastic.co.uk.
Read more
Work for landlords, hotels and businesses
In hotels, rooms out of use cost money, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we will quote.
DIY versus a professional finish
Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas need the right product, the right access and the right method.
A DIY attempt does not rule out a professional job. We remove it and do the joint properly, so just mention it when you contact us.
Common problems we fix in Cairnryan
Gaps around door frames are easily missed. The gap between the frame and the wall is hidden behind the architrave, so it can be left open when a door is replaced.
Keep an eye out for these signs:
- Gaps where walls meet ceilings or slabs
- Fire seals that have cracked with movement
- Open gaps behind door architraves
- Standard silicone or caulk in a fire-stopping gap
For buildings such as Lochryan Church And Burial-Ground, older buildings that have had new heating or wiring often have service gaps worth checking.
Comparing quotes
- How the joint is cleaned and prepared
- What insurance they hold
- What the cure time is
- How much experience the applicator has
