Argyll and Bute · Scotland
Sand mastic for sash & case windows in Kilmartin, Argyll and Bute
Problem with your window and door surrounds in Kilmartin? We cut out the old, prepare the joints and apply the right sealant, and the work is guaranteed for a year.
- Gaps where the frame meets the masonry
- Mastic that needs renewing before redecorating
- Wind and rain getting in round a sash window
What we’re called out for in Kilmartin
Water gets into small cracks in the mastic and loosens it further. Windows facing the weather tend to go first.
Keep an eye out for these signs:
- Mastic that needs renewing before redecorating
- Patchy fillers round a sash window
- Wind and rain getting in round a sash window
- Mastic round period door frames that has failed
For an older house near a landmark such as Kilmartin Parish Church, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
What to look for in a quote
- What product goes in the joint
- Whether VAT is included
- Who turns up on the day
- How long the guarantee is
How we handle sand mastic in Kilmartin
We renew sand mastic around sash windows and doors set in stone or brick. Out comes the old, loose mastic, and new mastic is applied and shaped by hand. We work on sash and case windows, brick reveals and timber door frames, and common reasons people get in touch are modern sealant on a period surround and draughts and rain around sash boxes.
Mastic can only go onto a dry joint, so outside work in Kilmartin depends on the weather. Tell us about access to all the windows and doors, upstairs included.
The work is guaranteed for twelve months. If something is not right with it in that time, tell us and we’ll put it right.
- Where
- Kilmartin (PA31)
- Wider area
- Argyll and Bute
- Guarantee
- One year on every job
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Updated
- 26 October 2026
What the job involves on each surface
Stone surrounds
Sand mastic sits naturally against stone. The finish blends with the masonry.
Timber door frames
Sand mastic is used round timber door frames too. We renew it the same way as on windows.
What we can’t put right
Sealant is not the answer to every problem, and we’ll tell you before any work starts. Sealant won’t put right:
- Timber that has rotted
- Sash cords, weights and draught-proofing of the sashes
- Putty and glazing repairs
If you are not sure, just drop us a line at info@mrmastic.co.uk and we will give you a straight answer before booking.
What we seal
- Tenement windows
- Brick reveals
- Timber door frames
- Period & listed homes
- Stone surrounds
- Sash and case windows
Windows and doors in Kilmartin
Kilmartin is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That’s hard on the mastic around older windows and doors, especially on the side facing the sea. Kilmartin is in the west of Scotland, which is wetter than the east, which means the mastic around older windows and doors has to cope with a lot of rain.
In and around Kilmartin, as anywhere, good sand mastic starts with a clean, dry, properly prepared joint.
Kilmartin is about 30 miles north-west of Greenock, in Argyll and Bute. If you need sand mastic in Kilmartin, please drop us a line at info@mrmastic.co.uk for a quick quote. We’re based in Crawley and cover Argyll and Bute, Kilmartin included. Our Argyll and Bute coverage runs to 118 places, Kilmartin among them. You can also see our page for Glasgow, roughly 51 miles from Kilmartin.
Jobs for sand mastic in PA31 works the same way as everywhere else we cover. If you are just outside Kilmartin, we cover Kilmichael Glassary (4 miles south-east), Ardfern (4 miles north-west), Bridgend (4 miles south), Cairnbaan (5 miles south) and Barravullin (5 miles north). Larger places within reach include Ceann Loch Gilb (7 miles south), Lochgilphead (7 miles south) and Ardrishaig (8 miles south). Island and remote addresses take a little more planning, so tell us where you are when you ask for a quote.
What’s near Kilmartin
Other landmarks nearby include Carnasserie Castle (1.2 miles north) and Kilmartin Museum (within half a mile south-west). The countryside around Kilmartin includes Lochan Add and Druim an Achanarnich.
What affects the cost of sand mastic
The quote reflects the job in front of us. We take into account:
- Access and height
- The number of rooms or windows
- Whether there’s mould to deal with
- The old material and how stubborn it is
A few things move the cost up or down: how much old sealant there is and how stubborn it is, any mould to treat, and whether the work is at height. Your quote takes all of that into account.
What we need to know
When you call or email, it’s useful to know:
- Access, such as stairs, a lift or height
- The rough size of the job
- The address or postcode of the job
- Any previous sealing or DIY work
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.
Landlords, agents and businesses in Kilmartin
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we’ll give you a quote.
Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. We can quote for more than one property at once.
Towns and villages near Kilmartin
Other services in Kilmartin
What we do, step by step
You do not need to clear the whole room or building, just the space around the work. We protect the rest, and the job takes a few hours for a single window, longer for several in most cases. Outdoor work around Kilmartin depends on the weather, as sealant needs a dry surface, so external jobs may need to move if the day turns wet. Work indoors is not affected.
- We look at the surrounds with you and agree the joints to renew.
- We remove the old, loose mastic.
- We pack any deep voids first.
- We apply the mastic by hand and shape it.
- The surface is finished to suit the stone or brick.
Getting ready for the visit
- Clear the area around the work
- Let us know about parking restrictions
- Plan for the work area to be out of bounds to pets and children
Get a quote
Every job is quoted individually, so the first step is telling us about yours. Just email us at info@mrmastic.co.uk with the details, and photos are welcome.
Related advice
Why deal with it now?
Not every draught comes from the sashes themselves. Gaps between the frame and the wall can be just as bad and new mastic seals them. In an older home around Kilmartin, damp from a failed joint can get into timber and plaster, which is a far bigger job than the sealant.
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, along with when we can work on site. Ask us for a quote and we’ll explain what it covers.
Why Kilmartin customers choose us
- 4.9 on Google from 180+ five-star reviews
- Anti-fungal silicone where joints get wet
- 20+ years of sealant experience
- Fully insured
Take a look at our cost guide or customer reviews.
Common questions in Kilmartin
Do you cover Kilmartin for sand mastic?
Yes. Our work covers the whole of Scotland, and Kilmartin is part of that. You can drop us a line at info@mrmastic.co.uk and tell us what needs doing, and we will give you a clear quote.
Will you come out to Kilmartin?
Yes, smaller places are covered as well as towns. Our work covers the whole of Scotland. Let us know about access, parking and anything unusual about getting there when you book.
Should I check with the council before work on a listed or conservation-area home?
It’s best to ask your local planning authority first. Sand mastic is often favoured as like for like, but they decide.
Do you have insurance?
Yes. We’re fully insured.
Does someone need to be in?
We need access to the joints, so we will agree that with you when we book. Indoors, that usually means someone at home.
How long does the job take?
Most jobs take anything from a few hours to a full day, depending on how many windows, including preparation and clearing up. Your quote will say how long we expect yours to take.
What does sand mastic cost?
Size, access and the old material all affect the cost. Ask us for a quote and we will talk you through it.
Can old silicone round a sash window be swapped for sand mastic?
Yes, it’s a common request. All the old silicone is removed first so the mastic can sit properly.