Aberdeenshire · Scotland
Sand Mastic in Lumsden
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for homeowners, landlords and businesses in Lumsden. Fully insured, ARBOMaster approved and guaranteed for a year.
- Patchy fillers round a sash window
- Draughts and rain around sash boxes
- Gaps where the frame meets the masonry
Leave it or put it right?
New mastic over crumbling mastic won’t hold. We remove the loose material first so the new work lasts. 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.
There are no prices on our website, because each job is priced on what it involves. Call for a quick quote and we’ll talk you through it.
Why choose Mr Mastic in Lumsden
- 12-month guarantee on every job
- Rated 4.9 stars on Google
- More than 20 years in sealant work
- Full insurance on every job
Take a look at what affects the cost or what customers say.
How we handle sand mastic in Lumsden
Old sand mastic cracks, crumbles and falls out over time, leaving gaps round the window. We rake it out and renew it so the surround looks right again. We work on period & listed homes, brick reveals and timber door frames, and people most often call us about gaps between timber frames and stone or brick and old sand mastic that has cracked, crumbled or fallen out.
Outdoor sealant needs a dry surface, so window work around Lumsden is planned around the weather, and longer journeys are planned in advance. Let us know about access to every frame, including any upstairs.
A one-year guarantee comes as standard, so you are not left on your own once the job is done.
- Where
- Lumsden (AB54)
- Region
- Aberdeenshire
- Guarantee
- One year on every job
- Quotes
- Quoted before any work starts
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
What the job involves on each surface
Brick reveals
Gaps between frame and brick let in rain and draughts. Renewing the mastic closes it.
Period and listed homes
On a listed home or in a conservation area, the right material matters. Like-for-like sand mastic is usually favoured.
FAQs for Lumsden
Is there a guarantee on sand mastic in Lumsden?
Every job comes with our 12-month guarantee, wherever it is. We’re fully insured, and an ARBOMaster approved applicator.
Is Lumsden within the area you cover?
Yes, smaller places are covered as well as towns. Our work covers the whole of Scotland. Just mention lanes, gates or anything else about the route when you book.
Do the sealants smell?
Some sealants have a smell while they cure, which fades as it sets. Opening a window helps.
Which products do you use?
Products from Arbo and Everbuild, among others, chosen to suit the joint. We’ll tell you what we are using and why.
How long does sand mastic take to harden?
It forms a skin fairly soon, then hardens over a longer period. Timing depends on the weather and the joint.
Do you have insurance?
Yes. We’re fully insured for domestic and commercial work.
Do you remove the old sealant?
Yes. We cut out all the old sealant and clean the joint before resealing.
Do you work for landlords and businesses?
Yes. We work for householders, landlords, letting agents, businesses and hotels.
Looking after it afterwards
So the new joints stay in good condition:
- Renew mastic before redecorating the windows
- Ask a joiner to look at soft timber first
- Keep modern sealant off the mastic
- Avoid heavy scraping on the mastic joint
When preparing windows for paint, take care around the mastic. Hard scraping can loosen it.
Fine cracks show the mastic is starting to fail. Renewing it then is simpler than waiting until it falls out.
How we quote for sand mastic
You will get a clear quote before any work starts. It’s based on:
- Working hours on commercial sites
- Whether the work is at height
- The product the joint needs
- The old material and how stubborn it is
Combining jobs into one visit is generally more efficient than separate visits, so tell us about everything that needs sealing. We’ll give you a clear price for the lot.
What to tell us for a quote
You don’t need to know the technical terms. It helps if you can tell us:
- The type of property
- Pictures of the joints, sent by email
- Any access issues, like height or stairs
- Roughly how big the job is
For sand mastic in Lumsden, drop us a line at info@mrmastic.co.uk. A short description of the job and where it is helps us quote, and you’ll get a clear quote before work begins.
DIY versus a professional finish
Sealing over old silicone is the commonest DIY error. 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 a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions, then guaranteed for a year.
The process
There is not much for you to do on the day. Show us the job and we will take it from there. The work itself takes anything from a few hours to a full day, depending on how many windows, including the tidy-up. Outdoor work around Lumsden depends on the weather, as sealant needs a dry surface, so external jobs may need to move if the day turns wet. Indoor work goes ahead whatever the weather.
- 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 isn’t too thick.
- The mastic is mixed, pressed into the joint by hand and shaped.
- The mastic is finished to sit tidily against the stone or brick.
Getting ready for the visit
- Move anything stored near the joints
- Tell us if parking is tricky
- Mention if the joints have been sealed before
Ask for a quote
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and email pictures if that is easy.
Read more
Lumsden homes and the weather
Sash and case windows are common in older Scottish homes, often pointed into the wall with traditional sand mastic. Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and sound outside sealant is part of that.
For jobs in and around Lumsden, choosing the right material for each joint is as important as a tidy finish.
Lumsden is about 18 miles west of Inverurie, in Aberdeenshire. Every kind of property in Lumsden is covered for sand mastic. The work is guaranteed for a year. Lumsden is one of 161 towns and villages in Aberdeenshire we cover. There’s also a page for Aberdeen, about 30 miles away.
Postcode districts we cover here for sand mastic: AB54. Whether your property is on The Square and Main Street or anywhere close by, we can help. If you are just outside Lumsden, we cover Cottown (3 miles north-east), Rhynie (4 miles north-east), Tullynessle (5 miles east), Towie (6 miles south) and Bridge of Alford (6 miles south-east). Within a short drive, we also cover Huntly (12 miles north), Aboyne (15 miles south), Alford (7 miles south-east) and Insch (10 miles east). For island and remote addresses, a little more planning is needed, so let us know when you get in touch.
Landmarks near Lumsden
A little further out are Brux Castle (3.3 miles south). For a walk, there’s The Buck.
When to call us in Lumsden
Over the years, sand mastic weathers. It dries out, cracks and loses its grip on the stone or timber.
People generally contact us after spotting something like this:
- Gaps between timber frames and stone or brick
- Failed mastic on an exposed elevation
- Gaps round a timber door in stone or brick
- Cement or filler used on old window joints that has cracked
Around Lumsden, as everywhere, sand mastic is only as good as the preparation behind it.
What to look for in a quote
- How hidden problems are handled
- Is VAT in the price?
- When the joint can take water or movement
- Are they insured?