East Renfrewshire · Scotland
Sand mastic for sash & case windows in Eaglesham, East Renfrewshire
Professional sand mastic in and around Eaglesham, with every bit of old sealant taken out first and a 12-month guarantee.
- Crumbling sand mastic round a window
- Weathered mastic on the most exposed windows
- Window mastic to renew ahead of painting
Looking after it afterwards
No joint lasts for ever, but care makes a real difference. A few tips:
- Do not run silicone over sand mastic
- Plan mastic work ahead of painting
- Inspect the joints round the windows every year or so
- Check with your local planning authority if your home is listed
Don’t touch or press the mastic while it hardens. It skins over quickly, but takes longer to harden fully.
Renewing mastic before redecorating saves doing it twice. Paint over cracked mastic only covers it up.
Sand mastic for homes and businesses in Eaglesham
Burnt sand mastic is a traditional material blends with stone and brick surrounds. It suits period and listed homes where a modern sealant bead would stand out. If you have mastic round period door frames that has failed and gaps where the frame meets the masonry, we can help, 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.
We stand behind the work with a 12-month guarantee.
- Place
- Eaglesham (G76)
- Wider area
- East Renfrewshire
- Cover
- 12 months on all our work
- Quotes
- Quoted before any work starts
- info@mrmastic.co.uk
- Updated
- 26 October 2026
Nearby places to Eaglesham
More services for Eaglesham
Frames and glazing around Eaglesham
Eaglesham is in the west of Scotland, which is wetter than the east, which means the mastic around older windows and doors has to cope with a lot of rain. Sash and case windows are common in older Scottish homes, often pointed into the wall with traditional sand mastic.
If you let a flat or house near Thorntonhall station, cracked sand mastic around sash windows lets in the draughts tenants complain about.
Eaglesham is about 3 miles south-east of Newton Mearns, in East Renfrewshire. Homes, rented property, offices and hotels in Eaglesham can book us for sand mastic, old or new, large or small. The work is guaranteed for a year. Across East Renfrewshire, we cover 17 places, Eaglesham among them. We also work in Glasgow, around 8 miles away.
Postcode districts we cover here for sand mastic: G76. If you need sand mastic at a property on Montgomery Square, Gilmour Street and Polnoon Mews or a nearby road, our applicators can take on the job. We also cover the places around Eaglesham: Jackton (1 mile north-east), Waterfoot (2 miles north), Gardenhall (2 miles north-east), Mossneuk (2 miles east) and Hairmyres (2 miles north-east). Within a short drive, we also cover Newton Mearns (3 miles north-west), Barrhead (6 miles north-west), Giffnock (4 miles north), Clarkston (3 miles north), Arthurlie (6 miles north-west) and Neilston (7 miles north-west).
Near you in Eaglesham
Typical jobs here are in homes near Cross Keys Inn. Eaglesham’s nearest station is Thorntonhall station, about 2.1 miles north-east of the centre. Well-known places in the area include Hairmyres Hospital (2.5 miles north-east) and Polnoon Castle (0.9 miles south-east). For a walk, there’s Brother Loch and Corse Hill.
What we’re called out for in Eaglesham
Most of it is simply age. Even well-laid mastic needs renewing in time and how long it lasts depends on the weather it faces.
It’s worth asking for a quote if you see:
- Crumbling sand mastic round a window
- Tired mastic found when preparing windows for paint
- Draughts and rain around sash boxes
- Mastic round period door frames that has failed
If you live in an older home near Carswell Church and Churchyard, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Comparing quotes
- How hidden problems are handled
- Whether VAT is included
- Are they insured?
- Whether all the old sealant comes out first
Why act early in Eaglesham
New mastic over crumbling mastic won’t hold. We remove the loose material first so the new mastic stays put. When the nearest tradesperson is a drive away, it’s tempting to leave a small leak, but water through a failed joint keeps working away until it’s fixed.
Instead of a standard rate, 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 book with us
- 20+ years of sealant experience
- Domestic, commercial and hotel work
- Old sealant always removed completely
- Anti-fungal silicone where joints get wet
See what affects the cost and our reviews.
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.
The biggest DIY mistake is sealing over old sealant. Silicone doesn’t stick to old silicone, so it peels away and traps moisture behind it. All the old material has to come out first.
What sealant work can’t fix
New sealant cannot fix everything, and we’d rather say so up front. It won’t solve:
- Decayed frames that need repair
- Cracked or broken glass
- Sashes that need overhauling
If you’re not sure, just send an email to info@mrmastic.co.uk and we’ll give you a straight answer.
Joints and surfaces we work on
- Sash and case windows
- Tenement windows
- Period & listed homes
- Brick reveals
- Stone surrounds
- Timber door frames
What we do, step by step
When we arrive, we look over the joints with you first. Surfaces next to the work are protected before any work begins. The work usually takes anything from a few hours to a full day, depending on how many windows. Around Eaglesham, distance and access matter more than parking. Tell us how to find the property and how to reach the work, and the visit is planned around that.
- We start by checking each surround and agreeing the joints to renew.
- We rake out the old mastic and clean the joint.
- 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.
- The mastic is finished to sit tidily against the stone or brick.
Preparing for the visit
- For indoor joints, keep the area dry beforehand if you can
- For business premises, tell us about site rules or sign-in
- Mention if the joints have been sealed before
Ask for a quote
Need a quote? Please drop us a line at info@mrmastic.co.uk and tell us about the job. You will know what we plan to do, and what it will cost, before any work begins.
Related advice
What the job involves on each surface
Stone surrounds
The stone is treated with care while raking out the old mastic.
Period and listed homes
Period homes look their best with traditional materials, and sand mastic is one of them.
FAQs for Eaglesham
Do you cover Eaglesham for sand mastic?
Yes. We work across all of Scotland, and Eaglesham is part of that. You can email us at info@mrmastic.co.uk and tell us what needs doing.
Can you help a landlord with a rental near Thorntonhall station?
Yes, landlords and agents are among the people we work for. Just drop us a line at info@mrmastic.co.uk with the address and what needs doing, and we’ll give you a clear price.
Do you take out the old sealant first?
Yes, every time. New silicone does not stick to old silicone, so the joint is cleaned back first.
Will you leave a mess?
Very little: the area around the joints is protected first, and we clear up the old sealant and our materials before we leave.
Is there any odour?
That depends on the sealant. Some products have a noticeable smell, others very little, and any smell fades as they cure.
How long does sand mastic take?
Typically it takes anything from a few hours to a full day, depending on how many windows. Bigger jobs take longer, and we will tell you how long to expect.
Can you seal over the old sealant?
No. The old sealant always comes out first.
Are you insured?
Yes. We’re fully insured.