Glasgow · Scotland
Dennistoun Sand Mastic
Traditional burnt sand mastic around sash and case windows and doors in stone and brick in Dennistoun, with a one-year guarantee on every job. Ask us for a quote.
- Cracked mastic round a front door frame
- Window mastic to renew ahead of painting
- Cement or filler used on old window joints that has cracked
Sand mastic for homes and businesses in Dennistoun
We renew sand mastic around sash windows and doors in stone and brick. Out comes the old, loose mastic, the joint is prepared and new mastic is shaped by hand. We work on tenement windows, sash and case windows and period & listed homes, and common reasons people get in touch are gaps where the frame meets the masonry and wind and rain getting in round a sash window.
Scotland’s cities are full of stone-built tenements and terraces, in sandstone or granite. Natural stone around older windows needs a sealant that will not mark or attack it, which usually means a neutral-cure product or a traditional sand mastic rather than an acetoxy silicone.
You are covered for a year from the day we finish. If anything is not right with it, drop us a line at info@mrmastic.co.uk.
- Place
- Dennistoun (G31, G40, G21)
- Wider area
- Glasgow
- Guarantee
- A year, on every job
- Quotes
- A clear price before work begins
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
Common questions in Dennistoun
Can you do sand mastic in Dennistoun?
Yes, Dennistoun is within the area we cover. Our work covers the whole of Scotland. Just drop us a line at info@mrmastic.co.uk with a few details of the job.
How do repairs to the shared parts of a tenement in Dennistoun get organised?
It generally goes through the owners together, or through the factor if the building has one. The Tenements (Scotland) Act 2004 covers the common parts where the deeds do not.
Is it messy?
Not at all. We work neatly, protect the area around the joints and tidy up afterwards.
What sealant do you use?
The product depends on the job: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. Brands we use include Arbo and Everbuild.
Can new sealant go over the old?
No, and we never do. It can look neat for a few weeks, but the new bead soon lifts. Removing the old sealant completely is the only lasting way.
Can landlords and businesses book you?
Yes. We work for householders, landlords, letting agents, businesses and hotels across Glasgow.
What’s sand mastic made of?
A traditional pointing material made from sand and a linseed-oil-based binder for the joint between timber frames and masonry.
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.
Should I try it myself first?
A DIY attempt does not rule out a professional job. We cut it out and start again.
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
Towns and villages near Dennistoun
Other services in Dennistoun
Looking after it afterwards
Joint life depends on how it’s used and looked after. Here’s what we suggest:
- Leave the new mastic unpainted
- Avoid heavy scraping on the mastic joint
- Look over the window mastic once a year
- Ask the planning authority about consent for listed or conservation-area homes
Leave the new mastic unpainted, which is the traditional advice. If you are redecorating, ask us first.
Sound mastic protects the frame. Once it fails, water can sit against the timber, which can lead to rot.
Different surfaces, different methods
Sash and case windows
A sash window’s box frame sits in the masonry opening. Sand mastic seals the joint round it.
Brick reveals
Brick reveals round timber windows are often pointed with sand mastic. It gives a traditional finish.
What we do, step by step
We work through the job in order: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours for a single window, longer for several, and the area is left clean. For a tenement in Dennistoun, work inside your flat is between us and you, while shared parts may need the factor or neighbours to agree. Tell us which applies when you book.
- We start by checking each surround and agreeing the joints to renew.
- 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.
- We dress the surface so it sits neatly against the masonry.
Preparing for the visit
- Mention any leaks or damp you’ve noticed
- Mention any sign-in or site rules at work premises
- For indoor joints, keep the area dry beforehand if you can
Getting a quote
Want a quote for sand mastic? Please drop us a line at info@mrmastic.co.uk with a few details. You will know what we plan to do, and what it will cost, before any work begins.
Advice
Signs you need sand mastic in Dennistoun
Timber swells and shrinks with the weather. That movement opens up the mastic joint over time.
Look out for these signs:
- Failed mastic on an exposed elevation
- Old sand mastic that has cracked, crumbled or fallen out
- Old cement repairs round a window that have failed
- Gaps round a timber door in stone or brick
For an older house near a landmark such as Rutherford Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
What to look for in a quote
- When the joint can take water or movement
- Whether the sealant suits the joint
- Is the old sealant removed completely?
- Whether VAT is included
Dennistoun homes and the weather
With historic houses such as Provand's Lordship (about 0.8 miles west) nearby, there’s older building stock in the area around Dennistoun as well as newer homes. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic. The west of Scotland is wetter than the east, which means the mastic around older windows and doors has to cope with a lot of rain.
Rented homes near Duke Street station change hands often, and older sash windows in a rental need their mastic kept sound to keep the weather out. If you look after a building such as Whitehill Secondary School, its window and door frames need their mastic kept sound, just like a home’s.
Dennistoun is about 2 miles east of Glasgow, in Glasgow. Whether you’re in the middle of Dennistoun or further out, sand mastic is available for homes and businesses alike. Dennistoun is one of 183 places in Glasgow where we work for sand mastic.
Postcode districts we cover here for sand mastic: G31, G40 and G21. Local streets include Ark Lane, Appin Road and Market Street. You will find Dennistoun on the M8 and A8, which makes it straightforward to reach. Other places close to Dennistoun include Gallowgate (1 mile south), Haghill (1 mile east), Camlachie (1 mile south), Blochairn (1 mile north) and Barrowfield (1 mile south). Further out, we also cover Hillhead (3 miles west), Dowanhill (4 miles west), North Kelvinside (3 miles north-west), Partickhill (4 miles west), Yorkhill (3 miles west) and Kelvinside (4 miles north-west).
Near you in Dennistoun
Around Dennistoun, our work takes us to homes and buildings near Springburn Park, Saracen Head pub and Our Lady of Good Counsel Church, among other places. There’s a railway station in Dennistoun itself: Duke Street station. Other landmarks nearby include Canniesburn Hospital (0.7 miles north-west) and Bishop's Castle (0.8 miles west). Not far away are Hogganfield Loch and Cathkin Braes.
Landlord and commercial work in Dennistoun
Hotels need rooms back in use, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.
Letting agents often deal with us directly. Tell us the address, the job and how access works and we will give you a quote.
Quotes for sand mastic in Dennistoun
We do not publish a price list, because no two jobs are the same. What we look at:
- Any mould that needs treating
- The number and length of the joints
- Access and height
- The number of rooms or windows
Every job is a little different, so each one gets its own quote. Size, access and the product the joint needs all play a part, and we’ll explain the quote if you ask.
What we need to know
What to tell us when you ask for a quote:
- Any previous sealing or DIY work
- How many joints, rooms or windows are involved
- What’s wrong with the joints now
- A few pictures by email, if you can
Quotes start with a quick conversation. Describe the problem, the location and the size of the job. When it suits you, email us at info@mrmastic.co.uk.