Argyll and Bute · Scotland
North Connel Sand Mastic
Window and door surrounds in North Connel need attention? We cut out the old, prepare the joints and apply the right sealant, with a one-year guarantee.
- Silicone on a period window that looks wrong
- Mastic round period door frames that has failed
- Old cement repairs round a window that have failed
Sand mastic in North Connel
On many period windows, sand mastic looks right and suits the building. Newer frames normally get a flexible sealant instead, and we’ll talk through which suits your home. We’re often asked to deal with mastic worn away on windows facing the weather and old cement repairs round a window that have failed, on stone surrounds, timber door frames and period & listed homes.
Older stone-built homes in Scotland often have sash and case or timber windows set in stone. Those suit a traditional sand mastic or a neutral-cure sealant, not an acetoxy silicone that can attack some stone.
Our work is backed for twelve months.
- Where
- North Connel (PA37)
- Region
- Argyll and Bute
- Guarantee
- One year on every job
- Quotes
- A clear price before any work starts
- info@mrmastic.co.uk
- Updated
- 26 October 2026
Landlords, agents and businesses in North Connel
We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements.
Nearby places to North Connel
What else we do in North Connel
Common questions in North Connel
Will you come out to North Connel?
Yes, North Connel is covered. We work across all of Scotland, and smaller places are part of that. Longer journeys are simply planned in advance.
I let a flat near Connel Ferry station. Can you help?
Yes, rental work is part of what we do. Just email us at info@mrmastic.co.uk and tell us about the property, and we will give you a clear price.
Should I try DIY first?
Some simple jobs can be done by a careful DIYer. Most DIY failures come from sealing over old material, wet joints or too much sealant.
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’ll talk you through it.
Is consent needed for window work on a listed home?
Checking first is sensible. Ask your local planning authority whether consent is needed for work on a listed home or in a conservation area.
Should I use sand mastic or silicone?
We’ll talk it through with you. Sand mastic suits many period homes, and modern sealants suit newer frames.
Can you replace silicone on a period window with sand mastic?
Normally, yes. Once the silicone is out and the joint prepared, sand mastic is applied by hand.
Are you insured?
Yes. We’re fully insured, and we can confirm the details when we quote.
North Connel homes and the weather
North Connel 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. Many older homes in Scotland have sash and case windows, and the joint between the box frame and the stone or render is traditionally pointed with sand mastic.
Rented homes near Connel Ferry station change hands often, and cracked sand mastic around sash windows lets in the draughts tenants complain about.
North Connel is in Argyll and Bute. Anywhere in PA37, we can carry out sand mastic at your property. Across Argyll and Bute, we cover 118 places, and North Connel is one of them. There’s also a page for Glasgow, roughly 60 miles from North Connel.
Every address in PA37 is covered for sand mastic. Local streets include Croft View, Benmore View and Lora View. If you’re just outside North Connel, we cover Connel (1 mile south-east), Black Crofts (1 mile north-east), Ardchattan (2 miles north-east), Benderloch (2 miles north) and Dunbeg (2 miles south-west). If you are somewhere remote, the job takes a little more planning, so mention it when you ask for a quote.
Around North Connel
For rail, the closest station is Connel Ferry station, roughly 0.7 miles south-east. Nearby you’ll also find Dunstaffnage Castle (1.6 miles west) and Lorn and Islands Hospital (5.1 miles south-west). Green spaces nearby include Lochan Dubh.
When to call us in North Connel
Timber swells and shrinks with the weather. The movement cracks the mastic over time.
Keep an eye out for these signs:
- Crumbling sand mastic round a window
- Cracked mastic round a front door frame
- Tired mastic found when preparing windows for paint
- Silicone on a period window that looks wrong
In the older streets around St Oran's Church of Scotland, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
What your quote should include
- How the joint is cleaned and prepared
- Are they insured?
- Whether VAT is included
- How hidden problems are handled
Can I do it myself?
If you’re set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it doesn’t work out, we can still put it right.
A DIY attempt doesn’t rule out a professional job. We cut it out and start again, so just mention it when you contact us.
Different surfaces, different methods
Sash and case windows
Most of our sand mastic work is on sash windows. We renew the mastic round each box.
Period and listed homes
Many older homes were built with sand mastic round the windows. If your home is listed, ask your local planning authority about consent.
Why deal with it now?
Silicone might seem the quicker option, but on period stone or brick it often looks out of place. Sand mastic is the traditional material and blends with the stone or brick. In a place like North Connel, small leaks are easy to put off, but water behind a failed seal does the most damage when nobody’s watching.
What it costs depends on how much there is to do, how much old material has to come out and access to the work. You’ll have a clear quote before any work starts, so you know where you stand.
Why North Connel customers choose us
- Approved under the ARBOMaster scheme
- Fully insured
- 20+ years of sealant experience
- 180+ five-star Google reviews
How the visit works
You don’t need to clear the whole room or building before we come, only the area right around the joints. We protect the rest, and the job takes anything from a few hours to a full day, depending on how many windows in most cases. In smaller Scottish places, parking is usually 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.
- 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.
- We dress the finish so it sits neatly against the masonry.
Getting ready for the visit
- Try not to wet indoor joints just before the visit
- Keep children and pets away from the work area
- Mention any tricky access
Ask for a quote
Want a quote for sand mastic? Please send an email to info@mrmastic.co.uk with a few details. We will explain what we’d do and give you a clear quote before we start.
Advice
Aftercare tips
After the cure time, these simple habits help:
- Inspect the joints round the windows every year or so
- Don’t run silicone over sand mastic
- Check with your local planning authority if your home is listed
- Have rotten timber repaired before new mastic goes in
Avoid painting over the new mastic, as traditional guidance advises. If you are redecorating, ask us first.
Fine cracks show the mastic is starting to fail. It’s easier to renew it before it drops out.