Highland · Scotland
Glenancross Sand Mastic
Traditional burnt sand mastic around sash and case windows and doors in stone and brick in Glenancross, with a one-year guarantee on every job. Call for a quick quote.
- Draughty sash windows at the surround
- Gaps where the frame meets the masonry
- Mastic round period door frames that has failed
Sand mastic in Glenancross
Fresh sand mastic forms a skin quite soon, but it takes longer to harden fully. Traditional guidance is not to paint over it and we will advise if you’re redecorating. We work on timber door frames, brick reveals and sash and case windows, and the jobs we see most are old sand mastic that has cracked, crumbled or fallen out and failed mastic on an exposed elevation.
Across smaller places in Scotland, homes range from stone and harled cottages to newer houses, many standing in the open. Exposed frames and sills take the full force of wind-driven rain.
All our work comes with a one-year guarantee.

- Place
- Glenancross (PH40)
- Wider area
- Highland
- Guarantee
- A year, on every job
- Quote
- A clear price before work begins
- info@mrmastic.co.uk
- Updated
- 26 October 2026
Your questions about sand mastic in Glenancross
Do you work for landlords with property near Morar station?
Yes. We work for landlords and agents as well as homeowners. Just email us at info@mrmastic.co.uk with the address and what needs doing, and we’ll give you a clear quote.
Is Glenancross within the area you cover?
Yes, Glenancross is covered. We work across all of Scotland, and smaller places are part of that. Longer journeys are simply planned in advance.
Is sand mastic better than silicone for my windows?
It depends on the window. On many period windows, sand mastic looks right and suits the building and newer frames usually get a flexible sealant.
Where are you based?
We’re based in Crawley, and we work across South East England, London and Scotland.
Which products do you use?
The product depends on the job: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. We use products from Arbo and Everbuild.
Can old silicone round a sash window be swapped for sand mastic?
Yes. We remove the silicone and clean the joint, then point it with sand mastic.
Can sand mastic be painted?
Traditional guidance is not to paint over sand mastic. Ask us before you decorate around it and we will talk you through it.
Should I check with the council before work on a listed or conservation-area home?
Checking first is sensible. Ask your local planning authority whether consent is needed for work on a listed home or in a conservation area.
When to call us in Glenancross
Sand mastic slowly weathers. It dries out, cracks and loses its grip from the frame or the masonry.
Look out for these signs:
- Draughty sash windows at the surround
- Failed mastic on an exposed elevation
- Old sand mastic that has cracked, crumbled or fallen out
- Tired mastic found when preparing windows for paint
In and around Glenancross, as anywhere, good sand mastic starts with a clean, dry, properly prepared joint.
What your quote should include
- Who does the work, and how experienced they are
- Whether VAT is included
- How long the guarantee is
- What preparation is included
Quotes for sand mastic in Glenancross
Every job gets its own quote. This is what makes a difference:
- Any working-time requirements on site
- The old material and how stubborn it is
- Access and height
- The number and length of the joints
Combining jobs into one visit is normally more efficient than separate visits. We’ll give you a clear quote for the lot.
What to tell us for a quote
You don’t need to know the technical terms. It helps if you can tell us:
- Where the job is, and your postcode
- The problem you’ve noticed
- If someone has resealed it before
- Pictures of the joints, sent by email
Every job is quoted individually. Simply drop us a line at info@mrmastic.co.uk and describe the job.
Glenancross homes and the weather
Glenancross is within about 1 mile of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That is hard on the mastic around older windows and doors, especially on the side facing the sea. Many older homes in Scotland have sash and case windows, and the joint between the box frame and the stone or render is traditionally pointed with sand mastic.
If you let a flat or house near Morar station, older sash windows in a rental need their mastic kept sound to keep the weather out.
Glenancross is in Highland. Across the PH40 area, our applicators can take on sand mastic. Glenancross is one of 253 towns and villages in Highland we cover.
We work across PH40 for sand mastic. Glenancross is on the B8008, so it’s easy for us to get to. We also cover the places around Glenancross: Morar (1 mile north-east), Arisaig (3 miles south), Mallaig (3 miles north), Ardvasar (7 miles north) and Armadale (8 miles north). Island and remote addresses take a little more planning, so tell us where you are when you ask for a quote.
What’s near Glenancross
Glenancross’s nearest station is Morar station, about 1 mile north-east of the centre. A little further out are Land (3.2 miles south). The countryside around Glenancross includes Lochan a' Chléirich.
The process
Our applicators work methodically: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours per window, depending on the condition of the joints. For a place like Glenancross, longer drives are planned in advance. Mention tracks, gates, ferries or anything else about the route.
- 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.
- We mix the sand mastic and apply it by hand, shaping it to the joint.
- We dress the surface so it sits neatly against the masonry.
Getting ready for the visit
- Let us know about earlier repairs to the joints
- Plan for the work area to be out of bounds to pets and children
- For indoor joints, keep the area dry beforehand if you can
Get a quote
We do not publish a 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 Glenancross
Replacing sash windows is a big decision for a period home, and in listed buildings it may need consent. Where the frames are in good order, new mastic seals the surround. Around Glenancross, water from a failed joint in an older stone home can soak into timber and plaster.
We do not show prices on the website, because the cost depends so much on the job itself. For a quick quote, please send an email to info@mrmastic.co.uk and we will talk you through it.
Why us?
- Domestic, commercial and hotel work
- More than 20 years in sealant work
- Sanitary silicone with an anti-fungal additive in wet areas
- Full insurance on every job
Take a look at what affects the cost and what customers say.
Surface by surface
Stone surrounds
Stone openings are rarely perfectly straight, so the joint varies in width. Sand mastic is shaped by hand to suit.
Timber door frames
Doors face weather and wear and the mastic can crack early. We rake it out and renew it.
More services for Glenancross
Aftercare tips
How long the joints last depends on use and care. Here’s what we suggest:
- Get any rot dealt with first
- Plan mastic work ahead of painting
- Avoid patching sand mastic with silicone
- Take care around the mastic when scraping paint
Keep gutters and sills clear so water runs away from the surround. Constant wetting wears the mastic faster.
Fine cracks show the mastic is starting to fail. It’s easier to renew it before it drops out.
Landlords, agents and businesses in Glenancross
Hotels need rooms back in use, so we plan the work room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance.
