Argyll and Bute · Scotland
West Darlochan Window Mastic
Mastic around window and door frames, sills and patio doors for homes and businesses in West Darlochan and across Argyll and Bute. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Sealant in the wrong colour for the frame
- Cracked sealant at the sill ends
- Damp patches on the reveal after heavy rain
When it is not the sealant
Honest advice matters more to us than a booking, so here’s what new sealant will not do:
- A door that needs adjusting, rehanging or new seals
- A frame that has rotted at the joint
- Condensation trapped between the panes
If you’re not sure, just send an email to info@mrmastic.co.uk and we will give you a straight answer.
Where we work in West Darlochan
- Aluminium frames
- Composite doors
- Timber windows & doors
- uPVC windows
- Window sills
- Patio & French doors
Window mastic for homes and businesses in West Darlochan
Some gaps around frames are far deeper than they look. Filling it with sealant alone leaves a joint that can’t move properly, so deep gaps get backing rod first. The sealant then grips the two sides it should. If you’re dealing with draughts coming in around windows and doors and leaking joints at the ends of sills, we can help, on timber windows & doors, composite doors and window sills alike.
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.
Every job is covered by a one-year guarantee.
- Location
- West Darlochan (PA28)
- Region
- Argyll and Bute
- Cover
- 12 months on all our work
- Price
- A clear price before any work starts
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
Landlord and commercial work in West Darlochan
We also work for property managers and facilities teams in West Darlochan and across Argyll and Bute. We can quote a run of properties together, and we’re fully insured for the work.
Landlords and letting agents in West Darlochan can book us as well as homeowners. Sealant work between tenants is a simple way to keep a property in good order before the next move-in.
Common problems we fix in West Darlochan
Joints that are too thin or too deep fail early. A thin smear across a wide gap has nothing to it, and a gap filled solid cannot flex. That’s what backing rod is for.
Common reasons people contact us include:
- Cracked or shrunken mastic around the frame
- Water coming in at the bottom corners of a door
- Gaps between the frame and the inside reveal
- Old mastic that has gone black or come away
Homes close to Kilchenzie Church include some older properties, and the joint between an old wall and a newer frame is generally the first place rain gets in.
Before you book anyone
- Who does the work, and how experienced they are
- Whether VAT is included
- How the surfaces are prepared before sealing
- What happens if the job turns out different
What affects the quote in West Darlochan
We do not publish a price list. The quote depends on:
- Whether the work is at height
- Which sealant suits the joint
- The old material and how stubborn it is
- Whether there’s mould to deal with
What it costs depends on the size of the job, how hard the old material is to remove and access to the work. We give a clear quote before any work starts, so you know where you stand.
What to tell us for a quote
The more you tell us, the more accurate the quote. When you ask for a quote, tell us:
- A few photos by email, if you can
- The address or postcode of the job
- What the problem is, such as mould, gaps, leaks or cracking
- Roughly how big the job is
We quote each job on its own, so the first step is telling us about yours. Simply email us at info@mrmastic.co.uk and describe the job and send pictures if you have them.
How it works
Good joint work is mostly preparation, so that is where we spend the time. Joints are cleaned back and dried before anything new goes in. In total, it normally takes a few hours for a few frames, or a day or more for a whole house. Outside jobs in West Darlochan need a dry day, because sealant won’t bond to a wet joint, so external jobs may need to move if the day turns wet. Indoor work goes ahead whatever the weather.
- We start by checking each window and door with you.
- The old mastic is cut out and the surfaces cleaned back.
- We fit backing rod in deep gaps so the sealant is the right depth.
- New exterior sealant goes on in a matching colour and is tooled smooth.
- Finally we tidy up and check each joint.
Getting ready for the visit
- Clear the area around the work
- On commercial sites, let us know about site rules
- Let us know about stairs, lifts or work at height
Ask for a quote
Need a quote? Please email us at info@mrmastic.co.uk and tell us about the job. We will explain what we’d do and give you a clear quote before any work starts.
Read more
What window mastic looks like in West Darlochan
West Darlochan 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 window and door frames, especially on the side facing the sea. West Darlochan is in the west of Scotland, which is wetter than the east, which means the mastic around window and door frames has to cope with a lot of rain.
Around West Darlochan, as everywhere, window mastic is only as good as the preparation behind it.
West Darlochan is in Argyll and Bute. Jobs in West Darlochan get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. West Darlochan is one of 118 towns and villages in Argyll and Bute where we work. We also work in Glasgow, about 62 miles from West Darlochan.
All of PA28 is within our area for window mastic. That includes homes and businesses on Islay View and Sound of Kintyre and the roads around them. Neighbouring places we cover for window mastic include Drumlemble (3 miles south), Campbeltown (4 miles south-east), Askomill (4 miles south-east), Kilkerran (5 miles south-east) and Southend (10 miles south). Remote and island addresses need a little more planning, so please mention your location when you send an email to info@mrmastic.co.uk.
Near you in West Darlochan
A little further out are Campbeltown Hospital (4.1 miles south-east) and Campbeltown Heritage Centre (3.9 miles south-east). The countryside around West Darlochan includes Skeroblin Loch.
Leave it or put it right?
Getting a straight, even bead on an outside frame takes practice, especially upstairs. A professional job is cut out properly, backed where needed and finished neatly, using a product chosen for the frame and wall. Exposed walls in smaller Scottish places take a lot of wind and rain, and once water gets behind a failed joint, damp in stone or harled walls is slow to dry out.
Commercial jobs are quoted on the same basis as homes: 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 will explain what it covers.
Why choose Mr Mastic in West Darlochan
- A sealant colour to suit the surroundings
- Sanitary silicone with an anti-fungal additive in wet areas
- Trusted Arbo and Everbuild sealants
- Any old sealant cut out fully, not covered over
West Darlochan: your questions answered
Is window mastic in a coastal place like West Darlochan any different?
Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. Choosing the right sealant for the frame and wall, laid at the right depth, helps it last.
Will you come out to West Darlochan?
Yes, we do. We work across all of Scotland, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Is it OK to seal over old sealant?
No. We remove every bit of old sealant first, so the new joint bonds to clean surfaces.
Can tenants book the work?
We are happy to deal with the tenant, landlord or agent. Get your landlord’s agreement first.
Where are you based?
We work from Crawley. Our applicators cover West Darlochan.
Do the sealants smell?
That depends on the sealant. Some products have a noticeable smell, others very little.
How do I get a quote for window mastic in West Darlochan?
We don’t publish prices, because the cost depends on the job: its size, the old material, access and the product needed. You’ll get a clear quote before work begins.
Are you fully insured?
Yes, we are fully insured.
Also near West Darlochan
Other services in West Darlochan
What the job involves on each surface
Timber windows & doors
Older timber windows in stone or brick can suit sand mastic rather than modern sealant. We’ll tell you which suits your home.
Window sills
Where a sill meets brick or render, the ends often crack first. We reseal them so rain can’t run into the wall.