Angus · Scotland
Kingsmuir Sand Mastic
We cover Kingsmuir for traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old sealant removed completely, joints prepared properly and a one-year guarantee.
- Old cement repairs round a window that have failed
- Draughty sash windows at the surround
- Cracked mastic round a front door frame
Sand mastic in Kingsmuir
Sand mastic skins over fairly quickly, but it takes longer to harden fully. Traditionally, sand mastic is left unpainted, so ask us before you decorate. We work on tenement windows, stone surrounds and brick reveals, and the jobs we see most are draughts and rain around sash boxes and open joints round the window box.
Older stone-built homes in Scotland often have sash and case or timber windows set in stone. The sealant has to suit the stone, which rules out acetoxy silicones that can mark or attack it.
Each job carries a 12-month guarantee.
- Location
- Kingsmuir (DD8)
- Wider area
- Angus
- Cover
- A year, on every job
- Quote
- A clear quote up front
- info@mrmastic.co.uk
- Updated
- 26 October 2026

Honest limits
Some problems need a builder, plumber or other trade rather than us:
- Broken panes
- Whether work needs listed building consent
- Rotten sashes, sills or window boxes (a joiner’s job)
Not sure which it is? You can drop us a line at info@mrmastic.co.uk and we will tell you honestly.
Joints and surfaces we work on
- Brick reveals
- Tenement windows
- Stone surrounds
- Timber door frames
- Period & listed homes
- Sash and case windows
How the job changes by surface
Brick reveals
Gaps between frame and brick let in rain and draughts. New mastic seals the gap.
Timber door frames
Sand mastic is used round timber door frames too. We renew it the same way as on windows.
What affects the cost of sand mastic
We quote each job individually. These are the things that affect it:
- Whether there’s mould to deal with
- How much old sealant there is and how hard it is to remove
- The amount of work
- Whether the work is at height
What it costs depends on how much there is to do, how hard the old material is to remove and access to the work. We give a clear quote before any work starts.
What we need to know
The more you tell us, the more accurate the quote. When you get in contact, it helps to mention:
- Access, such as stairs, a lift or height
- The type of property
- Where the job is, and your postcode
- Pictures of the joints, sent by email
We don’t publish a price list, because every job is different. Instead, your job gets its own clear quote. To get started, drop us a line at info@mrmastic.co.uk.
The process
Once we’re on site, we check the joints match what you told us. If anything is different, we explain it before carrying on. After that, the work takes anything from a few hours to a full day, depending on how many windows. Around Kingsmuir, distance and access matter more than parking. Tell us how to find the property and how to reach the work.
- We check the window surrounds and agree which joints need renewing.
- Old, loose mastic is raked out and the joint cleaned.
- Deep voids are packed so the mastic is the right thickness.
- Sand mastic is mixed and applied by hand, then shaped to the joint.
- We dress the surface so it sits neatly against the masonry.
Getting ready for the visit
- Tell us about any water getting in
- Move anything stored near the joints
- Tell us if parking is tricky
Get a quote
Want a quote for sand mastic? Please send an email to info@mrmastic.co.uk with a few details. We will explain what we’d do and send you a clear quote before we start.
Related advice
What else we do in Kingsmuir
What sand mastic looks like in Kingsmuir
Many older homes in Scotland have sash and case windows, often pointed into the wall with traditional sand mastic. Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and sound outside sealant is part of that.
In and around Kingsmuir, as anywhere, good sand mastic starts with a clean, dry, properly prepared joint. Whether the job is in Kingsmuir itself or nearby, the right material for each joint matters as much as a neat finish.
Kingsmuir is about 2 miles south-east of Forfar, in Angus. Homes, rented property, offices and hotels in Kingsmuir can book us for sand mastic, old or new, large or small. The work is guaranteed for a year. We cover 40 towns and villages across Angus, from the larger towns to small villages. You can also see our page for Dundee, roughly 12 miles from Kingsmuir.
Postcode districts we cover here for sand mastic: DD8. Whether your property is on Summerhill, Cunninghill View and Bunkerhill Crescent or anywhere close by, we can help. Nearby, we also carry out sand mastic in Lownie Moor (1 mile south), Hillend (1 mile south-east), Forfar (2 miles north-west), Lunanhead (2 miles north) and Craichie (2 miles south-east). We also work in nearby towns such as Arbroath (11 miles south-east), Carnoustie (10 miles south-east), Kirriemuir (6 miles north-west), Brechin (10 miles north-east), Hunter's Town (10 miles south-east) and Gardynebourg (10 miles south-east).
Near you in Kingsmuir
Typical jobs here are in homes near Reid Park and the streets around them. A little further out are Forfar Castle (1.6 miles north-west) and Forfar Infirmary (1.2 miles north-west). Green spaces nearby include Loch Fithie.
Your questions about sand mastic in Kingsmuir
Is there a guarantee on sand mastic in Kingsmuir?
All our work, in Kingsmuir and everywhere else, comes with a 12-month guarantee. We’re fully insured, and an ARBOMaster approved applicator.
Can you do sand mastic in Kingsmuir?
Yes, Kingsmuir is within the area we cover. We work across all of Scotland. Just email us at info@mrmastic.co.uk with a few details of the job.
Will there be a smell?
Possibly a little. It fades as the sealant cures, and ventilation helps.
How long does sand mastic take to harden?
A skin forms quite soon, but full hardening takes longer. We will explain what to expect before we leave.
Do I need permission for sand mastic on a listed building?
Checking first is sensible. Ask your local planning authority whether consent is needed for work on a listed home or in a conservation area.
Should I use sand mastic or silicone?
We will talk it through with you. Period homes often look best with sand mastic and newer frames suit modern sealant.
Will you leave a mess?
Not at all. We work neatly, protect the area around the joints and tidy up afterwards.
Does someone need to be in?
Access is agreed with you when the job is booked. Indoors, that normally means someone at home.
Aftercare tips
After the cure time, these simple habits help:
- Don’t run silicone over sand mastic
- Ask a joiner to look at soft timber first
- Take care around the mastic when scraping paint
- Do not paint over the new mastic
Check the mastic when you check the paintwork. Catching cracks early keeps repairs small.
Sound mastic protects the frame. Failed mastic lets water reach the timber and timber that stays wet can rot.
For landlords and businesses
If you manage several properties in or around Kingsmuir, several properties can go on one quote. Send us the addresses and the work at each, and photos by email help.
In hotels, rooms out of use cost money, so the work can be planned room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
Why deal with it now?
Not every draught comes from the sashes themselves. Open mastic joints round the box can let air in, and renewing the mastic closes them. Exposed walls in smaller Scottish places take a lot of wind and rain, and damp in stone or harled walls takes a long time to dry once water gets behind a joint.
Rather than a set price list, we price the job in front of us: how many joints, what’s in them now and how we reach them. You will know the price before we begin.
Why choose Mr Mastic in Kingsmuir
- Arbo and Everbuild products
- An ARBOMaster approved applicator
- 4.9 on Google from 180+ five-star reviews
- Fully insured
See our cost guide and what customers say.
