Highland · Scotland
Sand Mastic in Smoo
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for homes and businesses in Smoo and across Highland. Fully insured, ARBOMaster approved and guaranteed for a year.
- Open joints round the window box
- A silicone bead on a sash window that spoils the look
- Old sand mastic that has cracked, crumbled or fallen out
About our sand mastic in Smoo
Sand mastic skins over fairly quickly, but it takes longer to harden fully. Traditionally, sand mastic is left unpainted and we’ll advise if you are redecorating. If you’re dealing with gaps round a timber door in stone or brick and gaps where the frame meets the masonry, we can put it right.
Across smaller places in Scotland, homes range from stone and harled cottages to newer houses, many standing in the open. Exposed frames and sills take the full force of wind-driven rain, so the mastic there works hard.
Whatever the size of the job, it’s backed by our one-year guarantee.
- Location
- Smoo (IV27)
- Region
- Highland
- Cover
- 12 months on all our work
- Quotes
- Quoted before any work starts
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
DIY sealant or a professional job?
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions.
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it fails, we can still redo it.
The process
There’s no need to move everything out, just the space around the work. We protect the rest, and the job takes a few hours per window, depending on the condition of the joints for a typical job. In smaller Scottish places, parking is generally less of an issue than access and distance. Let us know how to find you and how to reach the joints, and the visit is planned around that.
- First we agree which joints need doing.
- We remove the old, loose mastic.
- Deep gaps are packed so the mastic sits at the right depth.
- The sand mastic is mixed and pressed into the joint by hand.
- The surface is finished to suit the stone or brick.
Before we arrive
- Let us know about stairs, lifts or work at height
- Clear items away from the joints we’re working on
- On commercial sites, let us know about site rules
Getting a quote
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is, and we will explain how we’d tackle it. When it suits you, email us at info@mrmastic.co.uk.
Related advice
Smoo questions
Can you do sand mastic in Smoo?
Yes. Our work covers the whole of Scotland, and Smoo is part of that. Just drop us a line at info@mrmastic.co.uk with a few details of the job.
Is Smoo within the area you cover?
Yes. Smoo is within the area we cover, which takes in towns, villages and rural addresses. We work across all of Scotland. Let us know about access, parking and anything unusual about getting there when you book.
Are you insured?
Yes. Mr Mastic is fully insured, and we’ve been doing sealant work for more than 20 years.
What does sand mastic cost?
The cost depends on the size of the job, access and how much old sealant has to come out. Call for a quick quote and we will talk you through it.
Do you work for landlords and businesses?
Yes. We work for householders, landlords, letting agents, businesses and hotels.
Can I paint the new mastic?
The usual advice is to leave sand mastic unpainted. Ask us before you decorate around it and we’ll talk you through it.
What do you need from me for a quote?
A short description and the location. We will ask anything else we need to know.
What is sand mastic?
It’s the traditional filler for the joint round timber windows and doors. It combines sand with a linseed-oil-based binder.
Why it’s worth doing now in Smoo
An open joint round the frame lets weather in. Water can get to the frame and the masonry, so dealing with it now protects both. Around Smoo, water from a failed joint in an older stone home can soak into timber and plaster.
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.
Why choose Mr Mastic in Smoo
- Experience in homes, commercial sites and hotels
- Sanitary silicone with an anti-fungal additive in wet areas
- We never seal over old sealant
- 4.9 on Google from 180+ five-star reviews
Read what affects the cost or customer reviews.
Frames and glazing around Smoo
Smoo is within about 1 mile of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on the mastic around older windows and doors, which can dry out and crack sooner where a building faces the weather. The west of Scotland is wetter than the east, so there’s plenty of rain for the mastic around older windows and doors to keep out.
Whether the job is in Smoo itself or nearby, the right material for each joint matters as much as a neat finish.
Smoo is in Highland. Our applicators cover sand mastic for homeowners, landlords and businesses in Smoo and nearby, as part of our work across Highland. Our Highland coverage runs to 253 places, and Smoo is one of them.
Work in IV27 works the same way as everywhere else we cover. Other places close to Smoo include Diuranais (1 mile north-west), Melness (11 miles east), Tongue (13 miles south-east), Kinlochbervie (13 miles south-west) and Scourie (21 miles south-west). For island and remote addresses, the job takes a little more planning.
What’s near Smoo
The countryside around Smoo includes Loch na Cathrach Duibhe.
How the job changes by surface
Stone surrounds
Sand mastic sits naturally against stone. It finishes to look like part of the surround.
Brick reveals
Sand mastic is also used where timber frames meet brick. It gives a traditional finish.
Do you need sand mastic in Smoo?
Timber swells and shrinks with the weather. That movement opens up the mastic joint over time.
Signs it’s time to call us include:
- Mastic round period door frames that has failed
- Silicone on a period window that looks wrong
- Draughty sash windows at the surround
- Crumbling sand mastic round a window
In and around Smoo, as anywhere, good sand mastic starts with a clean, dry, properly prepared joint.
Before booking anyone
- Is VAT in the price?
- Which colour the sealant will be
- What product goes in the joint
- How much experience the applicator has
Places near Smoo
More services for Smoo
What we can’t put right
We’d rather tell you now than do work that won’t last, so these are the limits:
- Decisions on consent for listed homes
- Masonry that needs repairing
- Decayed frames that need repair
If you are not sure, just email us at info@mrmastic.co.uk and we will give you a straight answer before you book.
Surfaces we seal
- Period & listed homes
- Timber door frames
- Stone surrounds
- Tenement windows
- Sash and case windows
- Brick reveals
Looking after it afterwards
How long the joints last depends on use and care. Here’s what we suggest:
- Ask us before painting near the mastic
- Check the mastic when you check the paintwork
- Ask a joiner to look at soft timber first
- Avoid heavy scraping on the mastic joint
Do not touch or press the mastic while it hardens. It skins over quickly but needs longer to fully harden.
It’s best to renew mastic before painting the windows. Painting over failed mastic hides the problem for a while.