Midlothian · Scotland
Danderhall Fire Rated Sealant
Intumescent and fire-rated sealant around gaps, frames and service penetrations for homes and businesses in Danderhall and across Midlothian. ARBOMaster approved applicators, fully insured, with a one-year guarantee.
- Open gaps behind door architraves
- Gaps where walls meet ceilings or slabs
- Unsealed gaps where pipes and cables go through a wall
How the job changes by surface
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.
Door frames
Frame gaps are normally hidden behind the architrave. Where it’s open, we seal it to the product’s details for that gap size before the trim goes back.
About our fire rated sealant in Danderhall
Fire stopping only performs as intended if it’s done to the detail: the right depth, the right backing and the right product for the substrate. That’s the part we focus on, one gap at a time. Common call-outs are for fire stopping disturbed by later work and open joints along the top of partitions, across pipe & cable gaps, service penetrations and plasterboard & masonry.
For a place like Danderhall, the journey and timings are planned in advance, so it can be fitted around bookings or opening times where possible.
Whatever the size of the job, it’s backed by our 12-month guarantee.
- Where
- Danderhall (EH22)
- Wider area
- Midlothian
- Guarantee
- One year on every job
- Quotes
- A clear price before we start
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Why act early in Danderhall
An open gap in a fire-resisting wall is a route for smoke and fire. A proper seal lets the wall do its job again, and the sealing itself is often a contained piece of work. Around Danderhall, water from a failed joint in an older stone home can soak into timber and plaster, which is a far bigger job than the sealant.
Rather than a set price list, we look at what your job involves: how many joints, what’s in them now and how we reach them. You’ll know the price before we begin.
Why us?
- Domestic, commercial and hotel work
- Trusted Arbo and Everbuild sealants
- Any old sealant cut out fully, not covered over
- Every job guaranteed for a year
Take a look at what affects the cost or our reviews.
Fire rated sealant in Danderhall: local notes
For seaside hotels, guest houses and holiday lets around Danderhall, 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.
Managing a site like Castlebrae Community High School? Then gaps opened by contractors for new cabling are a common finding in schools and offices. For landlords with property near Shawfair station, fire-rated sealant around pipes and cables through walls and floors needs making good whenever new services go through.
Danderhall is about 2 miles north-west of Dalkeith, in Midlothian. Whether you’re in the middle of Danderhall or further out, fire rated sealant is available for homes and businesses alike. We cover 33 towns and villages across Midlothian.
All of EH22 is covered for fire rated sealant. Whether your property is on Newton Church Road, Forth View Crescent and Danderhall Crescent or anywhere close by, we can help. Nearby, we also carry out fire rated sealant in Fernieside (1 mile west), Ferniehill (1 mile west), The Wisp (1 mile north-west), Gilmerton (1 mile south-west) and Moredun (1 mile west). Further out, we also cover Bonnyrigg (3 miles south), Penicuik (7 miles south-west), Loanhead (3 miles south-west), Gorebridge (5 miles south-east), Newtongrange (4 miles south-east) and Mayfield (4 miles south-east). As one of the bigger places in Midlothian, Danderhall has every kind of property, from flats to offices.
Around Danderhall
Typical jobs here are in homes near Drum Park and the streets around them. Danderhall’s nearest station is Shawfair station, roughly 0.8 miles north-east. A little further out are Natural History Collections (2.6 miles west) and Royal Infirmary of Edinburgh (1.3 miles north-west). Green spaces nearby include Nether Hill and The New Leaf Co-op.
Danderhall questions
Will you come out to Danderhall?
Yes, smaller places are covered as well as towns. Our work covers the whole of Scotland. Just mention lanes, gates or anything else about the route when you book.
How do Scotland’s building regulations apply to fire-rated sealant in Danderhall?
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.
Can new sealant go over the old?
No, because it fails. We remove every bit of old sealant first, so the new joint bonds to clean surfaces.
Is there a guarantee?
Yes, always. There’s a 12-month guarantee on every job, large or small.
Are you insured?
Yes. Mr Mastic is fully insured.
Can ordinary silicone be used in a fire-stopping gap?
No. It looks sealed but will not perform as fire stopping. Use a product tested for that gap and service.
How long will you be here?
Most jobs take a few hours for a handful of gaps, and longer for a whole building, including preparation and clearing up. Your quote will say how long we expect yours to take.
Do the sealants smell?
Possibly a little. It fades as the sealant cures, and ventilation helps.
How to look after the new joints
How long the joints last depends on use and care. Here’s what we suggest:
- Ask which product was used before you paint
- Allow for resealing whenever new services are run
- Photograph sealed gaps before they’re covered up
- Keep the record of products and locations with your fire safety documents
Tell other trades that the gaps have been sealed, and make sure anything they disturb is resealed with a suitable product. A lot of damaged fire stopping comes from later work.
Small gaps around services are simple to deal with while there are only a few. Over time, more work adds more holes.
What we can’t put right
We will always be straight with you, so here’s what sealant cannot fix:
- Deciding what fire stopping a building needs
- Certifying a building or signing off its fire safety
- Openings too large for sealant, which need batts, boards or another system
If you are not sure, just drop us a line at info@mrmastic.co.uk and we will give you a straight answer before you book.
Surfaces we seal
- Linear gaps
- Door frames
- Flats & HMOs
- Service penetrations
- Plasterboard & masonry
- Pipe & cable gaps
What affects the cost of fire rated sealant
You will get a clear quote before any work starts. It takes into account:
- How many rooms, windows or areas are involved
- Access and height
- Mould in or behind the old joints
- When we can work, for business premises
Combining jobs into one visit generally makes better use of the time than several visits, so tell us about everything that needs sealing. We’ll send you a clear quote for the lot.
What we need to know
When you contact us, it’s useful to know:
- Whether it’s a home or a business
- Any previous sealing or DIY work
- Photos by email, if that is easy
- The rough size of the job
Getting a quote is simple: let us know the job and the location, and roughly how big it is. A few pictures by email make the job easier to understand.
Nearby places to Danderhall
What else we do in Danderhall
How the visit works
You don’t need to clear the whole room or building, 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. Somewhere like Danderhall may be a longer drive, and the journey is planned ahead. Mention tracks, gates, ferries or anything else about the route.
- We go through the gaps on your list or survey and check each one’s size and substrate.
- Old or unsuitable sealant is cut out and the gap cleaned.
- Backing or fill is fitted where the product’s tested detail calls for it.
- Fire-rated or intumescent sealant is applied to the right depth and tooled.
- Locations and products are noted so you have them on file.
Before we arrive
- Tell us about any previous sealing or DIY attempts
- Mention any tricky access
- On commercial sites, let us know about site rules
Ask for a quote
For a quote, email us at info@mrmastic.co.uk with the location and a short description of the problem. You’ll have a clear quote before we start.
Advice
Signs you need fire rated sealant in Danderhall
Movement in the structure can open gaps too: a seal that cracks or pulls away leaves a path for smoke. Knocks, maintenance and building work damage it further.
Signs it’s time to call us include:
- Gaps filled with a product that is not fire-rated
- Gaps around pipes and cables through fire-resisting walls
- Fire seals that have cracked with movement
- Gaps flagged on a fire risk assessment
For buildings such as Newton Church, older buildings that have had new heating or wiring often have service gaps worth checking.
What your quote should include
- What guarantee comes with the work
- How hidden problems are handled
- Which sealant they’ll use, and why
- How the joint is cleaned and prepared