Clackmannanshire · Scotland
Alloa Sand Mastic
We cover Alloa for traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old material cut out, joints cleaned and sealed neatly and every job guaranteed for a year.
- Old cement repairs round a window that have failed
- Crumbling sand mastic round a window
- Failed mastic on an exposed elevation
FAQs for Alloa
Can you help a landlord with a rental near Alloa station?
Yes, landlords and agents are among the people we work for. You can send an email to info@mrmastic.co.uk with the details for a clear quote.
Is sand mastic in a coastal place like Alloa any different?
Coastal homes put outside sealant through more weather than inland ones, so the choice of sealant and the preparation matter even more. It’s worth checking the walls that face the sea first.
Will it make a mess?
We keep the work tidy. We protect what’s around the joints, and the area is left clean when we finish.
Do you guarantee sand mastic work?
Every job comes with our one-year guarantee, and we are fully insured.
Do I need to be at home?
That depends on where the joints are. Inside work needs someone to give us access, while outside work can sometimes be arranged differently.
Is sand mastic better than silicone for my windows?
That depends on your windows. Period windows in stone or brick normally suit sand mastic and newer frames normally get a flexible sealant.
What exactly is sand mastic?
Sand mastic is a traditional material for pointing round windows and doors. It’s made with sand and a linseed-oil-based binder.
Will there be a smell?
That depends on the sealant. Some products have a noticeable smell, others very little.
Sand mastic for homes and businesses in Alloa
Fresh sand mastic forms a skin quite soon but full hardening takes longer. Traditionally, sand mastic is left unpainted and we will advise if you are redecorating. We work on tenement windows, period & listed homes and stone surrounds, and people most often call us about gaps between timber frames and stone or brick and tired mastic found when preparing windows for paint.
Harled walls are common in Scottish towns like Alloa, and the joint between a frame and rough harling needs a sealant that can grip and flex. A bead that sits on top of the harling rather than in the joint soon lets water in.
The work is guaranteed for twelve months. If there’s a problem with our work within the year, let us know and we’ll sort it.

- Location
- Alloa (FK10)
- Region
- Clackmannanshire
- Cover
- A year, on every job
- Price
- Quoted before any work starts
- info@mrmastic.co.uk
- Updated
- 26 October 2026
For landlords and businesses
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we’ll quote.
We work for landlords and agents as well as householders. Resealing between tenancies keeps a property looking cared for.
How it works
There’s no need to move everything out before we come, only the area right around the joints. Everything nearby is protected, and the job takes a few hours per window, depending on the condition of the joints in most cases. In a Scottish town like Alloa, parking is generally straightforward, though older centres can be tighter. If you are in a flat with a shared stair or a door entry system, let us know when you book.
- We look at the surrounds with you and agree the joints to renew.
- Old mastic and any loose material are raked out.
- Deep gaps are packed so the mastic sits at the right depth.
- We apply the mastic by hand and shape it.
- The surface is finished to suit the stone or brick.
How to prepare
- Tell us if parking is tricky
- For business premises, tell us about site rules or sign-in
- Tell us about access, such as stairs, a lift or high-level joints
Get a quote
It all starts with a short chat. Describe the problem, the location and the size of the job, and we’ll explain how we’d tackle it. Whenever you are ready, send an email to info@mrmastic.co.uk.
Advice
Also in Alloa
What the job involves on each surface
Period and listed homes
Many older homes were built with sand mastic round the windows. On listed buildings, check with your planning authority first.
Sash and case windows
On a sash window, the mastic joint shows on the outside, so a neat, even finish matters.
When something else is needed
We will always be straight with you, so here’s what sealant can’t fix:
- Timber that has rotted
- Damaged stone surrounds
- Sash cords, weights and draught-proofing of the sashes
Not sure which it is? You can send an email to info@mrmastic.co.uk and we’ll tell you honestly.
Joints and surfaces we work on
- Period & listed homes
- Tenement windows
- Sash and case windows
- Stone surrounds
- Brick reveals
- Timber door frames
Windows and doors in Alloa
Alloa is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That is hard on the mastic around older windows and doors, especially on the side facing the sea. Many older homes in Scotland have sash and case windows, often pointed into the wall with traditional sand mastic.
Managing a site like Alloa Academy? Then its window and door frames need their mastic kept sound, just like a home’s. For an older house near a landmark such as Alloa North Church, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Alloa is about 14 miles west of Dunfermline, in Clackmannanshire. From the centre of Alloa to the outskirts, we cover sand mastic for every kind of property. Our Clackmannanshire coverage runs to 16 places, and Alloa is one of them. We also work in Edinburgh, about 26 miles from Alloa.
All of FK10 is within our area for sand mastic. Streets in the area include High Street, Holton Square and Main Street. With the A907 and A908 close by, Alloa is easy for our applicators to reach. Neighbouring places we cover for sand mastic include Sauchie (1 mile north-east), Fishcross (1 mile north-east), Clackmannan (2 miles south-east), Coalsnaughton (3 miles north-east) and Devonside (3 miles north-east). Further out, we also cover Kincardine (5 miles south-east), Dollar (6 miles north-east) and Menstrie (3 miles north-west).
Local landmarks in Alloa
Locally, jobs take us to homes and businesses close to The Bobbing John pub. There’s a railway station in Alloa itself: Alloa station. Other landmarks nearby include Old Tulliallan Castle (3.8 miles south-east) and Alloa Museum And Gallery (within half a mile south). Green spaces nearby include Black Devon Wetlands RSPB Reserve and Myreton Hill.
When to call us in Alloa
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.
Keep an eye out for these signs:
- Patchy fillers round a sash window
- Gaps round a timber door in stone or brick
- Wind and rain getting in round a sash window
- Open joints round the window box
Rented homes near Alloa station change hands often, and older sash windows in a rental need their mastic kept sound to keep the weather out.
Questions to ask before booking
- Whether all the old sealant comes out first
- Whether VAT is included
- Who does the work, and how experienced they are
- What insurance they hold
Why deal with it now?
If you’re redecorating, renew the mastic first. Painting over failed mastic doesn’t seal it, and the new mastic is traditionally left unpainted. Scottish weather finds any gap, and in a town like Alloa, failed outside joints soon let damp into walls. Indoors, failed sealant lets water into floors and ceilings.
The cost depends on the size of the job, how hard the old material is to remove and access to the work. You’ll have a clear quote before any work starts.
What you get with us
- Full insurance on every job
- We leave the area clean and tidy
- Over 20 years’ experience
- Approved under the ARBOMaster scheme
How to look after the new joints
To keep the joints looking good and working properly:
- Sort the mastic before the decorators arrive
- Don’t paint over the new mastic
- Inspect the joints round the windows every year or so
- Don’t run silicone over sand mastic
Don’t run silicone over the new mastic. If anything cracks, get it looked at before trying a quick fix.
Crumbling mastic lets rain into the joint. That water can reach the timber frame and the wall so early renewal protects both.
