Highland · Scotland
Sand mastic for sash & case windows in Invermoriston, Highland
Sand mastic in Invermoriston from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Cement or filler used on old window joints that has cracked
- Draughty sash windows at the surround
- Mastic that needs renewing before redecorating
Sand mastic in Invermoriston
Sand mastic has long been used to fill the joint between timber frames and masonry. It’s made from sand and a linseed-oil-based binder, applied by hand. On period homes, it looks right where silicone wouldn’t. If you have modern sealant on a period surround and mastic that needs renewing before redecorating, we can put it right, whatever the surface.
Across smaller places in Scotland, homes range from stone and harled cottages to newer houses, many standing in the open. Wind-driven rain finds any gap around a frame or sill, so the mastic there works hard.
A 12-month guarantee comes with the work, just as it does everywhere we cover.
- Place
- Invermoriston (IV63)
- Region
- Highland
- Cover
- One year on every job
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
Aftercare tips
So the new joints stay in good condition:
- Get any rot dealt with first
- Keep sills and gutters clear so water drains away
- Check with your local planning authority if your home is listed
- Avoid patching sand mastic with silicone
Leave the new mastic unpainted, which is the traditional advice. If you are redecorating, ask us first.
Renewing mastic before redecorating saves doing it twice. Paint over cracked mastic only covers it up.
Questions from Invermoriston
Will you come out to Invermoriston?
Yes, Invermoriston is covered. We work across all of Scotland, from towns to the smallest places. Longer journeys are simply planned in advance.
Can you do sand mastic in Invermoriston?
Yes. Our work covers the whole of Scotland, and Invermoriston is part of that. You can email us at info@mrmastic.co.uk and tell us what needs doing.
Can I add another job to the visit?
Yes, we can. Several rooms, windows or areas can go on one quote.
Are you fully insured?
Yes. Full insurance covers our work, and we can confirm the details when we quote.
What does sand mastic cost?
It depends on the job, so we quote each one individually. For a quick quote, drop us a line at info@mrmastic.co.uk with a short description of the job.
What do you need from me for a quote?
Where the job is, what the problem is and roughly how big it is. If you can, email a few pictures.
What exactly is sand mastic?
A traditional pointing material made from sand and a linseed-oil-based binder, used between timber frames and stone or brick.
Do I have to be there?
That depends on where the joints are. For work indoors, someone needs to let us in.
Nearby places to Invermoriston
More services for Invermoriston
For landlords and businesses
Water getting past a failed joint can damage the building, which matters even more when someone else lives there. Resealing at the right time is simple maintenance that we can handle for you.
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.
How we quote for sand mastic
Call for a quick quote. The main things that affect it are:
- Any mould that needs treating
- The type of sealant required
- The number and length of the joints
- Access and height
A failed joint rarely gets cheaper to fix by waiting, as water and mould keep getting in. If you’re not sure whether it needs doing, drop us a line at info@mrmastic.co.uk for an honest opinion and a quote.
What to tell us for a quote
When you contact us, it’s useful to know:
- The problem you’ve noticed
- Any previous sealing or DIY work
- Any access issues, like height or stairs
- Where the job is, and your postcode
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is, and we’ll explain how we’d tackle it. Whenever you’re ready, drop us a line at info@mrmastic.co.uk.
Surface by surface
Sash and case windows
The mastic round a sash window is on show, so a neat, even finish matters.
Period and listed homes
Materials matter on listed and conservation-area homes. Like-for-like sand mastic is normally favoured.
Should I try it myself first?
A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is, and the work is guaranteed for a year.
Leave it or put it right?
New sash windows are a major, costly change and on a listed home, consent may be needed. If the frames are sound, renewing the mastic deals with gaps and draughts at the surround. In a place like Invermoriston, small leaks are easy to put off, but water behind a failed seal does the most damage when nobody’s watching.
What it costs depends on the size of the job, how much old material has to come out and how easy the joints are to reach. You’ll have a clear quote before any work starts.
Why book with us
- Anti-fungal silicone where joints get wet
- Tidy, careful work
- An ARBOMaster approved applicator
- 12-month guarantee on every job
Frames and glazing around Invermoriston
The west of Scotland is wetter than the east, so there’s plenty of rain for the mastic around older windows and doors to keep out. Private landlords in Scotland must meet the Repairing Standard, which includes keeping a home wind and watertight, and failed outside joints work against that.
In and around Invermoriston, as anywhere, good sand mastic starts with a clean, dry, properly prepared joint. Homes close to Church of Scotland include some older properties, and frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Invermoriston is about 23 miles south-west of Inverness, in Highland. Jobs in Invermoriston get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Invermoriston is one of 253 towns and villages in Highland where we work for sand mastic.
Work in IV63 is quoted and booked the same way as anywhere else. Whether your property is on Riverside Park and Glendale Park or a nearby road, our applicators can take on the job. Nearby, we also carry out sand mastic in Stratherrick (4 miles south-east), Fort Augustus (5 miles south-west), Gorthleck (7 miles east), Glen Moriston (7 miles south-west) and Newtown (9 miles south-west). Remote and island addresses need a little more planning, so tell us where you are when you ask for a quote.
Landmarks near Invermoriston
Open spaces near Invermoriston include Loch a' Mheig and Càrn an t-Seana-bhlàir.
How it works
All our tools and materials come with us in the van. Once we’ve agreed what’s being done, we protect the area and start. It normally takes a few hours per window, depending on the condition of the joints. In smaller Scottish places, parking is generally less of an issue than access and distance. Tell us how to find the property and how to reach the work, and the visit is planned around that.
- Each surround is checked first.
- The joint is raked out and cleaned.
- We fill deep gaps so the new mastic is not too thick.
- We point the joint with sand mastic by hand.
- The finish is dressed neatly.
Preparing for the visit
- For indoor joints, keep the area dry beforehand if you can
- Tell us if parking is tricky
- Tell us about any water getting in
Ask for a quote
We quote each job on its own, so start by telling us what you need. Just email us at info@mrmastic.co.uk with the details.