Orkney Islands · Scotland
Window & door mastic in Finstown, Orkney Islands
Mastic around window and door frames, sills and patio doors in Finstown, with a one-year guarantee on every job. Ask us for a quote.
- Leaking joints at the ends of sills
- Old mastic that has gone black or come away
- White mastic on grey or black frames
Questions from Finstown
Do you cover smaller places like Finstown?
Yes, we do. Our work covers the whole of Scotland, islands included, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Do you cover Finstown for window mastic?
Yes. We work across all of Scotland, and Finstown is part of that. You can drop us a line at info@mrmastic.co.uk and let us know what needs doing, and we’ll give you a clear price.
What does window mastic cost?
It depends on the job, so we quote each one individually. To get one, drop us a line at info@mrmastic.co.uk and let us know what needs doing and where.
Will it make a mess?
No. We protect the surfaces around the joints, and we tidy up before we go.
Should I try DIY first?
That depends on the joint. High-level, external movement and fire-rated joints are professional jobs.
Where do you work from?
We are a Crawley-based firm. Our area covers South East England, London and Scotland.
Can landlords and businesses book you?
Yes. As well as homeowners, we work for landlords, agents, businesses and hotels in Finstown.
Is the work guaranteed?
Yes. Each job is covered for 12 months.
Window mastic for homes and businesses in Finstown
If you can feel air around a shut window, the gap is often at the frame. A new joint stops the air getting through and quietens the whistle on windy days. Where the air is getting in through the window itself, we’ll say so. We work on composite doors, window sills and timber windows & doors, and common reasons people get in touch are whistling draughts around closed windows and cracked sealant at the sill ends.
Older stone-built homes in Scotland often have sash and case or timber windows set in stone. The sealant has to suit the stone, which rules out acetoxy silicones that can mark or attack it.
All of our work is guaranteed for twelve months, in Finstown and everywhere else we cover.
- Location
- Finstown (KW17)
- Wider area
- Orkney Islands
- Guarantee
- 12 months on all our work
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Windows and doors in Finstown
Finstown is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on the mastic around window and door frames, which can dry out and crack sooner where a building faces the weather. Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and sound outside sealant is part of that.
In and around Finstown, as anywhere, good window mastic starts with a clean, dry, properly prepared joint.
Finstown is about 6 miles west of Kirkwall, in the Orkney Islands. We provide window mastic to homes and businesses in Finstown and nearby, as part of our work across the Orkney Islands. Our the Orkney Islands coverage runs to 51 places, Finstown among them.
We cover every part of the KW17 postcode area for window mastic and the streets around it. You’ll find streets such as Grimond Square, Fletts Corner and Seafield, and we cover them all. With the A965 close by, Finstown is easy for our applicators to reach. We also cover the places around Finstown: Heddle (1 mile south-west), Grimbister (1 mile south-east), Germiston (2 miles south-west), Bimbister (3 miles north-west) and Grimeston (3 miles west). Being one of the Orkney Islands’s larger places, Finstown has every kind of property, from flats to offices. Island and remote addresses take a little more planning, so tell us where you are when you ask for a quote.
Landmarks near Finstown
Nearby you’ll also find Balfour Hospital (5.7 miles east). Green spaces nearby include Loch of Wasdale and Hill of Heddle.
How the visit works
When we get to you, we compare the joints with what we discussed. If we find something unexpected, we talk it through with you first. Most jobs then take a few hours for a handful of frames, longer for a whole house. Outside jobs in Finstown need a dry day, because sealant will not bond to a wet joint, so external jobs may need to move if the day turns wet. Indoor work goes ahead whatever the weather.
- First, we go round the frames with you and agree the list.
- We remove the old mastic and clean the frame edge and wall.
- Where the gap is deep, backing rod goes in first.
- A flexible exterior sealant is applied in a colour to suit the frame.
- Every joint is tooled smooth and checked before we leave.
Before we arrive
- Let us know if you’ve seen damp or leaks
- Plan for the work area to be out of bounds to pets and children
- Tell us about access, such as stairs, a lift or high-level joints
Getting a quote
Call for a quick quote, or email us if that’s easier. Describe what needs sealing and we’ll talk you through the work before giving you a price.
Advice
Signs you need window mastic in Finstown
On timber frames, paint and putty build up around the joint. Old mastic gets painted over and cracks under the paint, and the wood moves with damp as well as heat.
The problems people usually mention when they call include:
- Mastic that is falling out in pieces
- Mastic that has split away from the wall
- Sealant in the wrong colour for the frame
- Cracked internal joints between frame and plaster
For jobs in and around Finstown, choosing the right material for each joint is as important as a tidy finish.
Comparing quotes
- Is VAT in the price?
- What the cure time is
- Whether all the old sealant comes out first
- How the colour is chosen
How the job changes by surface
uPVC windows
Plastic frames move a lot between a hot afternoon and a cold night, so we use a flexible, low-modulus sealant. We match white, brown, anthracite grey and black frames.
Aluminium frames
Coated aluminium needs a compatible sealant, and acetoxy silicones aren’t used, as they can attack some metals. Neutral-cure sealant is the safe choice.
Keeping the joints in good condition
Good habits help new joints last longer. A few tips:
- Ventilate rooms so frames don’t stay wet inside
- Check the mastic once a year
- Clear any debris from frame drain holes
- Wash the frames with mild soapy water
Silicone can’t usually be painted, so mention any painting plans before work begins. We can use a paintable sealant where that matters.
Wet, windy weather is when failed mastic shows itself, but resealing works best in dry conditions. Sorting cracked mastic early means the joint is sound before the bad weather.
Can I do it myself?
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, then guaranteed for a year.
If you are set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it doesn’t work out, we can still put it right.
What affects the cost of window mastic
The price is agreed before any work begins. It’s based on:
- The type of sealant required
- Any working-time requirements on site
- Mould in or behind the old joints
- The old material and how stubborn it is
The cost reflects the work involved, not a rough estimate. That’s why we ask a few questions first and send you a clear quote before we start.
What to tell us for a quote
You do not need to know the technical terms. It helps if you can tell us:
- Where the property is
- The type of property
- How we’d reach the joints
- Pictures of the joints, sent by email
For a quote, email us at info@mrmastic.co.uk with the location and a short description of the problem. You will have a clear quote before we start.
Why deal with it now?
If you’re painting or rendering, reseal at the same time. Fresh joints finish the job neatly, and it’s easier while the walls are being worked on anyway. Around Finstown, water from a failed joint in an older stone home can soak into timber and plaster, which is a far bigger job than the sealant.
Doing several joints on one visit is usually more efficient than separate visits, so tell us about everything that needs sealing. You’ll get one clear quote for the whole job.
What you get with us
- Homes, businesses and hotels
- Sealant colour chosen to suit
- Sanitary silicone with an anti-fungal additive in wet areas
- A 12-month guarantee on all work