Orkney Islands · Scotland
Grimeston Window Mastic
Window mastic across Grimeston and nearby, with old sealant always removed completely.
- Damp patches on the reveal after heavy rain
- Rushed sealant from a window installation
- Cracked sealant at the sill ends
About our window mastic in Grimeston
Every window and door frame has a gap around it, and mastic is what closes it. When it cracks, hardens or pulls away, draughts and rain get in. The old mastic is removed and the joint resealed with a flexible exterior sealant. If you’re dealing with mastic that has split away from the wall and cold air getting in at the frame edge, we can help.
Mastic can only go onto a dry joint, so outside work in Grimeston depends on the weather. Let us know about access to every frame, including any upstairs.
All our work comes with a 12-month guarantee, wherever you are in the Orkney Islands.
- Where
- Grimeston (KW17)
- Region
- Orkney Islands
- Guarantee
- 12 months on all our work
- Price
- A clear price before work begins
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Common questions in Grimeston
Does the coastal weather in Grimeston affect outside sealant?
Coastal homes put outside sealant through more weather than inland ones, so preparation and the right sealant matter all the more. Walls facing the sea are generally the first to need attention.
Do you cover smaller places like Grimeston?
Yes. Grimeston is within the area we cover, which takes in towns, villages and rural addresses. Our work covers the whole of Scotland, including the islands, where work is planned around ferry crossings. Let us know about access, parking and anything unusual about getting there when you book.
When is the sealant fully cured?
It depends on the product. Before we leave, we’ll tell you the cure time.
Does someone need to be in?
It depends on the job. For work indoors, someone needs to let us in.
What does window mastic cost?
Every job is different, so each one gets its own quote. To get one, drop us a line at info@mrmastic.co.uk and tell us what needs doing and where.
Can resealing stop a draught around my window?
If the draught is coming in around the frame, yes. If it’s coming through the window seals, we will tell you.
Can you get sealant to suit coloured frames?
Yes. Anthracite grey, black, brown and white cover most frames, with clear as an option.
Do you work for letting agents?
Yes, we do. We work in homes, commercial premises and hotels.
Also in Grimeston
Should I try it myself first?
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
If you are 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.
Different surfaces, different methods
Aluminium frames
Bi-fold and sliding aluminium doors have long frame joints, and the bottom joint sees the most water. Each is cleaned, backed where deep and resealed.
Composite doors
If the door itself is draughty, the issue may be the door seals or hinges rather than the frame mastic. We seal the frame and let you know about anything else.
The process
Once we are on site, we check the joints match what you told us. If anything is different, we explain it before carrying on. Most jobs then take anything from an hour or two to a full day, depending on how many frames there are. Around Grimeston, distance and access matter more than parking. Let us know how to find you and how to reach the joints.
- Each frame is looked over and we agree which ones need resealing.
- The old mastic is cut out and scraped back to clean surfaces.
- Deep gaps get closed-cell backing rod to set the depth.
- A flexible exterior sealant is applied in a colour to suit the frame.
- We tool each bead neatly and check every joint is closed.
Preparing for the visit
- Mention any sign-in or site rules at work premises
- Tell us about any water getting in
- Try not to wet indoor joints just before the visit
How to get a quote
For a quick quote, get us on the phone, or send an email if you’d rather. Tell us about the joints that need doing and we will talk you through the work and give you a clear price.
Read more
What affects the cost of window mastic
You’ll get a clear quote before we start. It takes into account:
- The size of the job
- The product the joint needs
- When we can work, for business premises
- Whether there’s mould to deal with
The cost reflects the work involved, not guesswork. That’s why we ask about the job first and send you a clear quote before we start.
Helping us quote
A few details help us give you an accurate quote. When you ask for a quote, tell us:
- Roughly how big the job is
- Where the job is, and your postcode
- A few pictures by email, if you can
- Access, such as stairs, a lift or height
Need a quote? Please email us at info@mrmastic.co.uk with a few details. We’ll explain what we’d do and give you a clear price before any work starts.
Grimeston homes and the weather
Grimeston is within about 1 mile of 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. Private landlords in Scotland must meet the Repairing Standard, which includes keeping a home wind and watertight, and failed outside joints work against that.
Around Grimeston, as everywhere, window mastic is only as good as the preparation behind it.
Grimeston is about 9 miles west of Kirkwall, in the Orkney Islands. Every kind of property in Grimeston can book us for window mastic. The work is guaranteed for a year. Across the Orkney Islands, we cover 51 places, and Grimeston is one of them.
Jobs for window mastic in KW17 is quoted and booked the same way as anywhere else. Close by, we work in Bimbister (1 mile north-east), Harray (2 miles north), Stenness (2 miles south), Wasbister (2 miles west) and Russland (2 miles north). Island and remote addresses take a little more planning, so tell us where you are when you ask for a quote.
Near you in Grimeston
Well-known places in the area include Corrigall Farm Museum (3 miles north). The countryside around Grimeston includes Hill of Heddle and Loch of Harray.
When something else is needed
We will not take on work that will not last, so these are the limits:
- A failed sealed unit that has misted up
- A frame that has rotted at the joint
- A door that needs adjusting, rehanging or new seals
If you’re not sure, just drop us a line at info@mrmastic.co.uk and we will give you a straight answer.
Where we work in Grimeston
- Composite doors
- uPVC windows
- Aluminium frames
- Timber windows & doors
- Patio & French doors
- Window sills
Aftercare tips
So the new joints stay in good condition:
- Walk round the house once a year and look at the joints
- Repaint timber before it’s bare
- Air rooms to keep condensation down around windows
- Use gentle cleaners on frames and sealant
Wipe the frames with soapy water when you clean the windows, and avoid solvent cleaners on the sealant.
Leaks generally show up in wet, windy weather, but resealing works best in dry conditions. Sorting cracked mastic early means the joint is sound before the bad weather.
What we’re called out for in Grimeston
Plenty of failed mastic was poorly applied in the first place. Sealant run over dust, wet brick or loose mortar didn’t grip properly, and it lets go sooner than it should.
Keep an eye out for these signs:
- Sealant in the wrong colour for the frame
- Cold air getting in at the frame edge
- Mastic that has split away from the wall
- Black, perished sealant on frames
Whether the job is in Grimeston itself or nearby, the right material for each joint matters as much as a neat finish.
What your quote should include
- How long the guarantee is
- What insurance they hold
- Whether all the old sealant comes out first
- How much experience the applicator has