Aberdeen · Scotland
Sand Mastic in Balmedie
Problem with your window and door surrounds in Balmedie? We cut out the old, prepare the joints and apply the right sealant, and the work is guaranteed for a year.
- Mastic worn away on windows facing the weather
- Old cement repairs round a window that have failed
- Cracked mastic round a front door frame
DIY versus a professional finish
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it doesn’t work out, we can still put it right.
Sand mastic for homes and businesses in Balmedie
Old sand mastic cracks, crumbles and falls out over time and gaps open up round the frame. Renewing it closes the gap and tidies the surround. We work on sash and case windows, timber door frames and tenement windows, and common reasons people get in touch are cracked mastic round a front door frame and gaps between timber frames and stone or brick.
Many older Scottish homes still have timber windows set into stone walls. Those suit a traditional sand mastic or a neutral-cure sealant, not an acetoxy silicone that can attack some stone.
The work is covered for a year after we finish. If anything is not right with it, drop us a line at info@mrmastic.co.uk.
- Where
- Balmedie (AB23)
- Region
- Aberdeen
- Cover
- 12 months on all our work
- Price
- A clear price before any work starts
- info@mrmastic.co.uk
- Last updated
- 26 October 2026

Aftercare tips
No joint lasts for ever, but care makes a real difference. Our tips:
- Get any rot dealt with first
- Avoid heavy scraping on the mastic joint
- Inspect the joints round the windows every year or so
- Check with your local planning authority if your home is listed
Leave the new mastic alone while it firms up. It skins over quickly but needs longer to fully harden.
Crumbling mastic lets rain into the joint. That water can reach the timber frame and the wall so early renewal protects both.
Balmedie homes and the weather
Balmedie is within about 1 mile of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That’s hard on the mastic around older windows and doors, especially on the side facing the sea. Aberdeen’s nickname, the Granite City, comes from its stone buildings, and sealing against granite needs clean, sound edges and a sealant that suits stone.
For an older house near a landmark such as Belhelvie North Church, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Balmedie is about 7 miles north of Aberdeen, in Aberdeen. We carry out sand mastic for homes and businesses in Balmedie and nearby. Our area takes in 63 places across Aberdeen, large and small. For nearby work, see our Aberdeen page, about 7 miles away.
Our applicators cover all of AB23 for sand mastic. You will find streets such as Robbie Close, Keith Avenue and Beachfield Way, and we cover them all. We also cover Belhelvie (1 mile west), Hill of Keir (1 mile north-west), Potterton (2 miles south-west), Blackdog (2 miles south) and Whitecairns (3 miles west). Within a short drive, we also cover Aberdeen (7 miles south), Rosemount (7 miles south), Berryden (7 miles south), Ferryhill (8 miles south), New Aberdeen (7 miles south) and Dyce (6 miles south-west).
Landmarks near Balmedie
A little further out are Foveran Castle (4.5 miles north) and Kingseat Hospital (3.9 miles west). Not far away are Perwinnes Hill and Corby Loch.
Common questions in Balmedie
Do you cover Balmedie for sand mastic?
Yes, Balmedie is within the area we cover. We work across all of Scotland. You can email us at info@mrmastic.co.uk and tell us what needs doing, and we’ll send you a clear quote.
Will you come out to Balmedie?
Yes, Balmedie is covered. Our work covers the whole of Scotland, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Do you take out the old sealant first?
Yes. We cut out all the old sealant and clean the joint before applying anything new.
Is it worth trying it myself?
You can, for simple jobs. The key is preparation: remove all the old material and work on a clean, dry joint. If it doesn’t work out, we can redo it.
Which products do you use?
Each joint gets the product that suits it. Where it moves, gets wet or faces the weather makes a difference.
Can you replace silicone on a period window with sand mastic?
Yes. We remove the silicone and clean the joint before the sand mastic goes in.
Should I check with the council before work on a listed or conservation-area home?
Yes, it’s worth checking. Ask your local planning authority whether consent is needed for work on a listed home or in a conservation area.
Can you do several jobs on one visit?
Yes. More than one area can be quoted together.
Common problems we fix in Balmedie
Timber swells and shrinks with the weather. The movement cracks the mastic little by little.
Common reasons people contact us include:
- Tired mastic found when preparing windows for paint
- Open joints round the window box
- Patchy fillers round a sash window
- Modern sealant on a period surround
Around Balmedie, as everywhere, sand mastic is only as good as the preparation behind it.
Questions to ask before you book
- Which colour the sealant will be
- Whether all the old sealant comes out first
- Whether the sealant suits the joint
- What insurance they hold
How the visit works
Every visit runs the same way: we look at the joints together, mask and protect the surrounding surfaces, do the work and clear up. Most jobs take a few hours per window, depending on the condition of the joints. Somewhere like Balmedie may be a longer drive, and the journey is planned ahead. Mention tracks, gates, ferries or anything else about the route.
- We look at the surrounds with you and agree the joints to renew.
- We remove the old, loose mastic.
- Deep gaps are packed so the mastic sits at the right depth.
- The sand mastic is mixed and pressed into the joint by hand.
- We dress the finish so it sits neatly against the masonry.
Preparing for the visit
- Keep pets and children clear of the area while we work
- On commercial sites, let us know about site rules
- Where the joints are inside, avoid wetting them before we arrive
Getting a quote
There’s no standard price list. Instead, your job gets its own clear quote. To get started, send an email to info@mrmastic.co.uk.
Related advice
Why it’s worth doing now in Balmedie
Cement-based fillers and modern sealants don’t always suit a period surround. Sand mastic matches what was there, which can matter on listed and conservation-area homes. Out of town in Scotland, exposed walls take a lot of weather, and once water gets behind a failed joint, damp in stone or harled walls is slow to dry out.
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 will know the price before we begin.
Why us?
- Tidy, careful work
- 4.9 on Google from 180+ five-star reviews
- Any old sealant cut out fully, not covered over
- Domestic, commercial and hotel work
See our cost guide and our reviews.
Surface by surface
Stone surrounds
Sand mastic sits naturally against stone. The finish blends with the masonry.
Tenement and terrace windows
In shared buildings, the windows may be part of a wider repair so it’s worth checking responsibilities.
Towns and villages near Balmedie
Other services in Balmedie
How we quote for sand mastic
We do not publish a price list, because no two jobs are the same. What we look at:
- The size of the job
- Any mould that needs treating
- The product the joint needs
- How easy the joints are to reach
A few things move the cost up or down: how much old sealant there is and how stubborn it is, any mould to treat, and whether we need extra access for height. Your quote takes all of that into account.
What to tell us for a quote
When you call or email, it’s useful to know:
- The address or postcode of the job
- Any access issues, like height or stairs
- The problem you’ve noticed
- How many joints, rooms or windows are involved
Every job is quoted individually, so the first step is telling us about yours. Just drop us a line at info@mrmastic.co.uk with the details and send photos if you have them.
