Highland · Scotland
Hastigrow Fire Rated Sealant
Intumescent and fire-rated sealant around gaps, frames and service penetrations for homeowners, landlords and businesses in Hastigrow. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Gaps around pipes and cables through fire-resisting walls
- Open joints along the top of partitions
- Old fire sealant that has split or come away
Fire rated sealant in Hastigrow
A gap around a door frame, a linear joint at the head of a wall and a hole round a pipe are each sealed differently. Measuring the gap and checking what it’s made of comes first, then apply it to the depth its tested detail calls for. We work on plasterboard & masonry, linear gaps and service penetrations, and the jobs we see most are unsealed gaps where pipes and cables go through a wall and gaps where walls meet ceilings or slabs.
Commercial work around smaller Scottish places tends to mean hotels, guest houses, schools and halls rather than offices. All of them have washrooms, kitchens and fire-rated joints that need looking after.
Whatever the size of the job, it’s backed by our 12-month guarantee in Hastigrow and across Highland.
- Place
- Hastigrow (KW1)
- Region
- Highland
- Cover
- A year, on every job
- Price
- A clear price before we start
- info@mrmastic.co.uk
- Page updated
- 26 October 2026

Keeping the joints in good condition
Joint life depends on how it’s used and looked after. Here’s what we suggest:
- Don’t paint over fire sealant until it has cured
- Look in service cupboards and ceiling voids from time to time
- Get damaged fire seals looked at promptly
- Include fire stopping when you schedule refits
File the record of locations and products with your fire safety paperwork. It saves time at the next inspection or assessment.
Open gaps do not only matter in a fire: noise, draughts and even pests can come through too. Dealing with them early helps with all of these.
How we quote for fire rated sealant
You’ll get a clear quote before any work starts. It’s based on:
- Which sealant suits the joint
- The number and length of the joints
- When we can work, for business premises
- The old material and how stubborn it is
There are no prices on our website, because the cost depends so much on the job itself. Call for a quick quote and we’ll talk you through it.
What to tell us for a quote
What to tell us when you ask for a quote:
- The rough size of the job
- Whether it has been sealed before
- What’s wrong with the joints now
- Access, such as stairs, a lift or height
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints.
Hastigrow questions
How do Scotland’s building regulations apply to fire-rated sealant in Hastigrow?
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 don’t 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 Hastigrow?
Yes. Hastigrow is within the area we cover, which takes in towns, villages and rural addresses. We work across all of Scotland. Just mention lanes, gates or anything else about the route when you book.
Do you guarantee your work?
Yes. Every job comes with our 12-month guarantee.
Are you fully insured?
Yes. Full insurance covers our work, and we can confirm the details when we quote.
Which products do you use?
We choose the sealant for the joint, not the other way round. Where it moves, gets wet or faces the weather makes a difference, and we will explain our choice.
Should I try DIY first?
That depends on the joint. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
Will there be a smell?
There can be a smell while the sealant cures, but it fades. Opening a window helps.
Can you seal over the old sealant?
No, it won’t last. It can look neat for a few weeks, but the new bead soon lifts. Removing the old sealant completely is the only lasting way.
Landlord and commercial work in Hastigrow
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
In hotels, rooms out of use cost money, so we plan the work room by room. We have worked in hotels as well as homes and businesses.
What fire rated sealant looks like in Hastigrow
Scotland has its own building regulations, the Building (Scotland) Regulations, with technical handbooks. We install fire-rated sealant to the product’s tested details; we do not certify buildings or carry out fire risk assessments.
For jobs in and around Hastigrow, choosing the right material for each joint is as important as a tidy finish. In and around Hastigrow, as anywhere, good fire rated sealant starts with a clean, dry, properly prepared joint.
Hastigrow is about 10 miles south-east of Thurso, in Highland. Anywhere in KW1, we cover fire rated sealant for homes and businesses. Our Highland coverage runs to 253 places, and Hastigrow is one of them.
Work in KW1 is quoted and booked the same way as anywhere else. Main roads around Hastigrow include the B876, which makes travel easy. We also cover Bower (2 miles north-west), Gillock (3 miles west), Watten (4 miles south), Keiss (5 miles east) and Reiss (6 miles south-east). Remote and island addresses need a little more planning, so please mention your location when you send an email to info@mrmastic.co.uk.
Around Hastigrow
The countryside around Hastigrow includes Loch Watten.
How the job changes by surface
Service penetrations
Wherever a service goes through a fire-resisting wall or floor, there’s a gap around it. The sealant is chosen for what passes through and how wide the gap is.
Masonry and concrete
Masonry is dusty and porous, so preparation matters. We brush and vacuum the gap and use backing where the detail needs it before applying the sealant.
Other services in Hastigrow
DIY versus a professional finish
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
When something else is needed
We won’t take on work that won’t last, so here’s what sealant can’t put right:
- Openings too large for sealant, which need batts, boards or another system
- Doors that aren’t fire doors in the first place
- Deciding what fire stopping a building needs
If you are not sure, just send an email to info@mrmastic.co.uk and we’ll give you a straight answer before you book.
Joints and surfaces we work on
- Door frames
- Linear gaps
- Service penetrations
- Flats & HMOs
- Pipe & cable gaps
- Plasterboard & masonry
What we do, step by step
We bring everything the job needs with us. Once we’ve agreed what’s being done, the area is protected and the work begins. It normally takes a few hours for a handful of gaps, and longer for a whole building. Outdoor work around Hastigrow 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 begin by agreeing the list of gaps from your assessor’s or designer’s requirements.
- We measure every gap and note what it’s in and what passes through.
- Unsuitable material such as ordinary foam or silicone is cut out and the faces cleaned.
- We fit backing where needed and apply the fire-rated sealant to depth.
- We hand over a list of locations and products for your files.
How to prepare
- Let us know if you’ve seen damp or leaks
- Let us know about parking restrictions
- Mention any sign-in or site rules at work premises
Get a quote
To get a quote, send an email to info@mrmastic.co.uk and tell us where the job is and what the problem looks like. You will have a clear quote before work begins.
