South Lanarkshire · Scotland
Sand Mastic in Quothquan
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for Quothquan, backed by a one-year guarantee. Call for a quick quote.
- Silicone on a period window that looks wrong
- Mastic round period door frames that has failed
- Mastic that needs renewing before redecorating
Sand mastic in Quothquan, done properly
Old sand mastic cracks, crumbles and falls out over time, leaving gaps round the window. We rake it out and renew it and tidies the surround. We work on stone surrounds, sash and case windows and brick reveals, and people most often call us about gaps round a timber door in stone or brick and tired mastic found when preparing windows for paint.
Many older Scottish homes still have timber windows set into stone walls. The sealant has to suit the stone, which rules out acetoxy silicones that can mark or attack it.
The work is guaranteed for twelve months. If something isn’t right with it in that time, tell us and we’ll put it right.
- Where
- Quothquan (ML12)
- Region
- South Lanarkshire
- Guarantee
- A year, on every job
- Price
- A clear quote up front
- info@mrmastic.co.uk
- Last updated
- 26 October 2026

Surface by surface
Sash and case windows
Sash windows are where we do most sand mastic work. Each joint round the box is raked out and renewed.
Period and listed homes
On a listed home or in a conservation area, the right material matters. Sand mastic is often the preferred finish.
Sand mastic in Quothquan: local notes
Private landlords in Scotland must meet the Repairing Standard, which includes keeping a home wind and watertight, and sound outside sealant is part of that. Many older homes in Scotland have sash and case windows, often pointed into the wall with traditional sand mastic.
Rented homes near Carstairs station change hands often, and cracked sand mastic around sash windows lets in the draughts tenants complain about.
Quothquan is about 11 miles south-east of Carluke, in South Lanarkshire. For sand mastic in and around Quothquan, please drop us a line at info@mrmastic.co.uk for a quick quote. We cover South Lanarkshire from our Crawley base, Quothquan included. We cover 139 towns and villages across South Lanarkshire, from the larger towns to small villages. We also work in Edinburgh, around 26 miles away.
Postcode districts we cover here for sand mastic: ML12. We also cover Covington (2 miles west), Thankerton (2 miles south-west), Libberton (2 miles north), Biggar (3 miles south-east) and Symington (3 miles south). We also work in nearby towns such as Carluke (11 miles north-west), Lanark (8 miles west), Lesmahagow (12 miles west), Law (14 miles north-west), Kirkmuirhill (13 miles west) and Forth (9 miles north-west).
Landmarks near Quothquan
The closest station to Quothquan is Carstairs station, about 4.6 miles north-west. A little further out are Covington School Museum (1.6 miles west) and Biggar Castle (2.7 miles south-east).
Quotes for sand mastic in Quothquan
The price is agreed before any work begins. It’s based on:
- Working hours on commercial sites
- The number and length of the joints
- Whether old sealant or filler has to be cut out
- How many areas need sealing
We don’t show prices on the website, because each job is priced on what it involves. Call for a quick quote.
What we need to know
You do not need to know the technical terms. It helps if you can tell us:
- The type of property
- How many joints, rooms or windows are involved
- Any access issues, like height or stairs
- Where the property is
For a quick quote, get us on the phone, or email us if that is easier. Tell us about the joints that need doing and we’ll explain what’s involved.
Common questions in Quothquan
Do you cover Quothquan for sand mastic?
Yes, Quothquan is within the area we cover. Our work covers the whole of Scotland. Just email us at info@mrmastic.co.uk with a few details of the job, and we’ll give you a clear quote.
Is Quothquan within the area you cover?
Yes, we do. We work across all of Scotland, from towns to the smallest places. Longer journeys are simply planned in advance.
Do you work for landlords and businesses?
Yes. As well as homeowners, we work for landlords, agents, businesses and hotels across South Lanarkshire.
Can you seal over the old sealant?
No, and we never do. It may look fine at first, but the new bead soon lifts. The old sealant has to come out completely.
Should I use sand mastic or silicone?
For period timber windows in stone or brick, sand mastic is often the better fit. On modern frames, we’d normally use a flexible sealant, and we’ll explain why.
Can you work on commercial sites?
Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. Working times can be discussed when we quote.
How do I get a quote for sand mastic in Quothquan?
We do not publish prices, because the cost depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.
Can you replace silicone on a period window with sand mastic?
Yes, it’s a common request. The old silicone has to come out completely so the mastic beds in well.
Also in Quothquan
Landlord and commercial work in Quothquan
Mouldy or split sealant often shows up at the end of a tenancy. We can quote for more than one property at once.
Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. We’ve worked in hotels as well as homes and businesses.
Do you need sand mastic in Quothquan?
Over the years, sand mastic weathers. It dries out, cracks and loses its grip on the stone or timber.
Signs it’s time to call us include:
- Old cement repairs round a window that have failed
- Cracked mastic round a front door frame
- A silicone bead on a sash window that spoils the look
- Mastic that needs renewing before redecorating
Homes close to Quothquan Church include some older properties, and the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
What your quote should include
- Whether VAT is included
- How the colour is chosen
- Are they insured?
- Whether they seal over old material or remove it
The process
We keep the work tidy and contained to the joints we are treating, so you can carry on as normal. The job generally takes a few hours for a single window, longer for several, and we tell you how long to leave it before we go. Outside jobs in Quothquan need a dry day, because sealant won’t bond to a wet joint, so external jobs may need to move if the day turns wet. Indoor work goes ahead whatever the weather.
- We start by checking each surround and agreeing the joints to renew.
- Old, loose mastic is raked out and the joint cleaned.
- Large voids are packed out first, so the mastic is not too thick.
- Sand mastic is mixed and applied by hand, then shaped to the joint.
- We dress the surface so it sits neatly against the masonry.
Preparing for the visit
- Plan for the work area to be out of bounds to pets and children
- Let us know about parking restrictions
- Tell us about access, such as stairs, a lift or high-level joints
How to get a quote
Getting a quote is simple: tell us what needs doing and where and its rough size. A few pictures by email make the job easier to understand.
Related advice
DIY versus a professional finish
If you’ve already had a go yourself, that’s fine. We cut it out and start again, so just mention it when you contact us.
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
What sealant work cannot fix
In fairness, some problems need a different trade:
- Damaged stone surrounds
- Broken panes
- Whether work needs listed building consent
If you are not sure, just drop us a line at info@mrmastic.co.uk and we’ll give you a straight answer.
What we seal
- Tenement windows
- Period & listed homes
- Timber door frames
- Brick reveals
- Sash and case windows
- Stone surrounds
