North Lanarkshire · Scotland
Sand mastic for sash & case windows in Muirhouse, North Lanarkshire
We cover Muirhouse for traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old sealant removed completely, joints prepared properly and a one-year guarantee.
- Modern sealant on a period surround
- Draughts and rain around sash boxes
- Patchy fillers round a sash window
What we do, step by step
You do not need to clear the whole room or building, only the area right around the joints. Everything nearby is protected, and the work takes anything from a few hours to a full day, depending on how many windows for a typical job. Somewhere like Muirhouse may be a longer drive, and the journey is planned ahead. Mention tracks, gates, ferries or anything else about the route.
- We check the window surrounds and agree which joints need renewing.
- We rake out the old mastic and clean the joint.
- 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.
- The finish is dressed so it sits neatly against the stone or brick.
Getting ready for the visit
- Let us know if you’ve seen damp or leaks
- On commercial sites, let us know about site rules
- Keep children and pets away from the work area
Get a quote
Getting a quote is simple: let us know what needs doing and where, and roughly how big it is. A few pictures by email make the job easier to understand.
Related advice
About our sand mastic in Muirhouse
Burnt sand mastic is a traditional material that sits naturally against stone and brick. It’s a good fit for period properties where a modern sealant bead would stand out. If you have draughts and rain around sash boxes and mastic that needs renewing before redecorating, we can put it right, whatever the surface.
Outdoor sealant needs a dry surface, so window work around Muirhouse is planned around the weather, and longer journeys are planned in advance. Let us know about access to every frame, including any upstairs.
A 12-month guarantee comes as standard, so you’re covered after we have gone.
- Place
- Muirhouse (ML1, ML2)
- Region
- North Lanarkshire
- Cover
- 12 months on all our work
- Quote
- A clear quote up front
- info@mrmastic.co.uk
- Updated
- 26 October 2026
How the job changes by surface
Sash and case windows
On a sash window, the mastic joint shows on the outside, so a neat, even finish matters.
Timber door frames
Sand mastic is used round timber door frames too. The method is the same as for windows.
Places near Muirhouse
Also in Muirhouse
What happens if it’s left?
Replacing sash windows is a big decision for a period home and on a listed home, consent may be needed. Where the frames are in good order, new mastic seals the surround. Around Muirhouse, water from a failed joint in an older stone home can soak into timber and plaster, which is a far bigger job than the sealant.
Doing several joints on one visit is normally more efficient than separate visits. You will get one clear quote for the whole job.
Why choose Mr Mastic in Muirhouse
- Fully insured
- 180+ five-star Google reviews
- Homes, businesses and hotels
- More than 20 years in sealant work
Read our cost guide and what customers say.
For landlords and businesses
From a single let to a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance that we can handle for you.
Sand mastic in Muirhouse: local notes
Sash and case windows are common in older Scottish homes, often pointed into the wall with traditional sand mastic. With historic houses such as Cambusnethan House (about 1.5 miles south-east) nearby, there’s older building stock in the area around Muirhouse as well as newer homes. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.
For an older house near a landmark such as St Patrick's R.C. Church, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint. Schools such as Our Lady's High School are buildings too, and larger buildings have plenty of frames, and the mastic around each one ages.
Muirhouse is about 2 miles south of Motherwell, in North Lanarkshire. From the centre of Muirhouse to the outskirts, sand mastic is available for homes and businesses alike. Our area takes in 89 places across North Lanarkshire, large and small. We also work in Glasgow, around 13 miles away.
Every address in ML1 and ML2 is within our area for sand mastic, from the main roads to the quietest streets. Whether your property is on Range Road, Clamp Road and Barons Road or a nearby road, we can help. Other places close to Muirhouse include Netherton (1 mile south-east), Airbles (1 mile north-west), Ravenscraig (1 mile north), Pather (2 miles east) and Gowkthrapple (2 miles south-east). Further out, we also cover Cumbernauld (12 miles north), Coatbridge (6 miles north-west), Airdrie (6 miles north), Bellshill (4 miles north-west), Kilsyth (15 miles north) and Burnfoot (7 miles north).
Landmarks near Muirhouse
We work in homes and buildings around Duchess of Hamilton Park, among other places. There’s a railway station in Muirhouse itself: Shieldmuir station. Other landmarks nearby include North Lanarkshire Heritage Centre (1.6 miles north-west) and Dalzell House (0.5 miles west). Not far away are Baron's Haugh RSPB Reserve and Strathclyde Loch.
How we quote for sand mastic
Every job gets its own quote. These are the things that affect it:
- Which sealant suits the joint
- The amount of work
- Any mould that needs treating
- Access and height
Rather than a set price list, we price the job in front of us: the amount of work, the old material and the access. You will know the price before we begin.
Helping us quote
A few details help us give you an accurate quote. When you get in contact, it helps to mention:
- Access, such as stairs, a lift or height
- Whether it has been sealed before
- Where the job is, and your postcode
- What the problem is, such as mould, gaps, leaks or cracking
For a quick quote, get us on the phone, or email us if that is easier. Describe what needs sealing and we’ll talk you through the work and give you a clear price.
When to call us in Muirhouse
Sand mastic slowly weathers. It hardens, cracks and starts to come away from the frame or the masonry.
Most people get in touch when they notice one of these:
- Old cement repairs round a window that have failed
- Modern sealant on a period surround
- Tired mastic found when preparing windows for paint
- Gaps where the frame meets the masonry
Letting a property close to Shieldmuir station? Then cracked sand mastic around sash windows lets in the draughts tenants complain about.
Questions to ask before you book
- What the quote includes, VAT included or not
- What preparation is included
- Which colour the sealant will be
- What guarantee comes with the work
DIY versus a professional finish
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas need the right product, the right access and the right method.
Questions from Muirhouse
Is Muirhouse within the area you cover?
Yes, smaller places are covered as well as towns. We work across all of Scotland. Let us know about access, parking and anything unusual about getting there when you book.
Do you cover Muirhouse for sand mastic?
Yes. We work across all of Scotland, and Muirhouse is part of that. Just email us at info@mrmastic.co.uk with a few details of the job.
Do I need permission for sand mastic on a listed building?
It’s best to ask your local planning authority first. Sand mastic is often favoured as like for like but the decision is theirs.
Are you fully insured?
Yes. Mr Mastic is fully insured, and we have been doing sealant work for more than 20 years.
How do I get a quote for sand mastic in Muirhouse?
Size, access and the old material all affect the cost. Ask us for a quote.
Can you quote for more than one area?
Yes, we can. More than one area can go on one quote.
Can sand mastic be painted?
Sand mastic is normally left unpainted, which is what traditional guidance recommends. Talk to us before any painting near it.
Is it worth trying it myself?
Sometimes. Preparation is everything: all the old sealant out, and a clean, dry joint. We can always put it right if it fails.