Dumfries and Galloway · Scotland
Fire-rated sealant in Leswalt, Dumfries and Galloway
Intumescent and fire-rated sealant around gaps, frames and service penetrations for homes and businesses in Leswalt and across Dumfries and Galloway. Fully insured, ARBOMaster approved and guaranteed for a year.
- Standard silicone or caulk in a fire-stopping gap
- Gaps around pipes and cables through fire-resisting walls
- Unsealed gaps around fire door frames
About our fire rated sealant in Leswalt
Door frame gaps, linear joints and holes around services all have their own details. We check the size and the substrate before choosing the product, then apply it to the depth its tested detail calls for. Common call-outs are for door frames with gaps between frame and wall and gaps left after a refit or conversion, on door frames, linear gaps and plasterboard & masonry.
If you look after holiday lets, a guest house or a community building in or near Leswalt, washroom and kitchen sealant and any fire-rated joints need the same attention as anywhere.
You’re covered for a year from the day we finish. If anything isn’t right with it, drop us a line at info@mrmastic.co.uk.
- Where
- Leswalt (DG9)
- Region
- Dumfries and Galloway
- Cover
- 12 months on all our work
- Quotes
- Quoted before any work starts
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
Work for landlords, hotels and businesses
Whether it’s one flat or a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a 12-month guarantee.
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
Commercial buildings in Leswalt
For seaside hotels, guest houses and holiday lets around Leswalt, 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. We install fire-rated sealant to the product’s tested details, though we do not certify buildings or do fire risk assessments.
If you look after a church, hall or community building such as Leswalt Parish Church, older buildings that have had new heating or wiring often have service gaps worth checking. Letting a property close to Stranraer station? Then fire-rated sealant around pipes and cables through walls and floors needs making good whenever new services go through.
Leswalt is about 3 miles north-west of Stranraer, in Dumfries and Galloway. We carry out fire rated sealant for homeowners, landlords and businesses in Leswalt and the surrounding area. Leswalt is one of 138 towns and villages in Dumfries and Galloway we cover for fire rated sealant. You can also see our page for Glasgow, roughly 72 miles from Leswalt.
Work in DG9 is quoted and booked the same way as anywhere else. If you need fire rated sealant at a property on Glen Road, Church Grove and Challoch Crescent or a nearby road, our applicators can take on the job. If you are just outside Leswalt, we cover Kirkcolm (3 miles north), Stranraer (3 miles south-east), Cairnryan (4 miles north-east), Innermessan (4 miles east) and Lime Kiln (5 miles south-east).
What’s near Leswalt
The closest station to Leswalt is Stranraer station, about 3.1 miles south-east. Other landmarks nearby include Stranraer Museum (3.2 miles south-east) and Galloway Community Hospital (3.6 miles south-east). Open spaces near Leswalt include Black Loch.
Questions from Leswalt
Do you cover smaller places like Leswalt?
Yes, smaller places are covered as well as towns. We work across all of Scotland. Just mention lanes, gates or anything else about the route when you book.
Can you help a landlord with a rental near Stranraer station?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. You can drop us a line at info@mrmastic.co.uk with the details for a clear quote.
Do you have insurance?
Yes. We’re fully insured, with over 20 years’ experience in sealant work.
Do you work in flats, HMOs and commercial buildings?
Yes, whether the building is a school, an office, flats or an HMO, and whether it’s in use or not. Tell us how the building is used and we will plan around it.
Will you assess my building’s fire safety?
No. We work from the specification you give us, and apply each product to its tested details.
Do you provide details of the products used?
Yes. We note each location and the product that went in.
Do you hold any approvals?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we are part of it.
Do the sealants smell?
It depends on the product. Some smell for a while, some hardly at all, and any smell fades as they cure.
Leave it or put it right?
Paying for fire stopping that has to be redone is a false economy. If the details weren’t followed, the seal may need redoing when the building is next checked. In a place like Leswalt, small leaks are easy to put off, but water behind a failed seal does the most damage when nobody’s watching.
The cost reflects the work involved, not guesswork. That is why we ask a few questions first and agree the price before starting.
Why book with us
- Anti-fungal sanitary silicone in wet areas
- An ARBOMaster approved applicator
- 12-month guarantee on every job
- We leave the area clean and tidy
Take a look at how sealant jobs are priced or what customers say.
Aftercare tips
No joint lasts for ever, but care makes a real difference. Our tips:
- Make resealing part of every contractor’s brief
- Flag any open gap you spot round a pipe or cable
- Do not paint over fire sealant until it has cured
- Plan fire stopping into any work that goes through walls or floors
Include fire stopping in your regular building checks. Look for cracks, gaps or sealant that has been cut or pulled out and get them seen to.
Leave a fire-stopping gap open and smoke can move through the building much more easily. Sealing it early is a simple step to take.
The process
At the end, we look at the finished work together and explain the cure time. The work normally takes from a few hours to a few days, depending on the number of gaps and the access, depending on how much there is to do. Outdoor work around Leswalt depends on the weather, as sealant needs a dry surface, so an outdoor job can move if the forecast changes. Indoor work goes ahead whatever the weather.
- 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.
Before we arrive
- Tell us about any previous sealing or DIY attempts
- Tell us about access, such as stairs, a lift or high-level joints
- For indoor joints, keep the area dry beforehand if you can
Getting a quote
We do not publish a price list, because every job is different. Instead, we give you a clear price for your job. To arrange one, email us at info@mrmastic.co.uk.
Related advice
Honest limits
We’ll always be straight with you, so here’s what new sealant won’t do:
- Sign-off of the building, which sits with building control or your assessor
- Large holes that need a different fire-stopping system
- Assessing a building’s fire safety
Not sure which it is? You can email us at info@mrmastic.co.uk and we’ll tell you honestly before booking.
Where we work in Leswalt
- Door frames
- Linear gaps
- Plasterboard & masonry
- Flats & HMOs
- Pipe & cable gaps
- Service penetrations
What the job involves on each surface
Service penetrations
Service penetrations are where new gaps often appear. Old or unsuitable filler comes out before the right sealant goes in with backing where the detail needs it.
Linear gaps
Gaps along the top of partitions are easy to miss above a ceiling. We work along the whole run.
Other services in Leswalt
What affects the cost of fire rated sealant
The price is agreed before any work begins. It takes into account:
- The size of the job
- Any working-time requirements on site
- The type of sealant required
- Whether there’s mould to deal with
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.
Asking for a quote
You don’t need to know the technical terms. It helps if you can tell us:
- Photos by email, if that is easy
- The problem you’ve noticed
- How many joints, rooms or windows are involved
- The address or postcode of the job
We quote each job on its own, so start by telling us what you need. Simply drop us a line at info@mrmastic.co.uk and describe the job.