Moray · Scotland
Window Mastic in Lossiemouth
Mastic around window and door frames, sills and patio doors in Lossiemouth, with a one-year guarantee on every job. Ask us for a quote.
- Water coming in at the bottom corners of a door
- Mastic that is falling out in pieces
- Cold air getting in at the frame edge
How we handle window mastic in Lossiemouth
Around Lossiemouth we seal all kinds of frames: from uPVC casements to timber and aluminium, plus patio doors, French doors and sills. Each gets a sealant chosen for the frame and the wall it meets. We work on window sills, timber windows & doors and composite doors, and the jobs we see most are draughts coming in around windows and doors and gaps left after new windows were fitted.
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.
We guarantee the work for a year. If something is not right with it in that time, tell us and we’ll put it right.
- Where
- Lossiemouth (IV31)
- Wider area
- Moray
- Cover
- One year on every job
- Price
- A clear price before any work starts
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
Signs you need window mastic in Lossiemouth
Older frames were often sealed with products that set hard. Once it’s rigid, every bit of frame movement pulls at it, leaving a hairline gap down one side.
If you can see any of these, it’s time to have the joints looked at:
- Black, perished sealant on frames
- Leaking joints at the ends of sills
- Untidy mastic left by window fitters
- Draughty joints inside around the window
For site and facilities teams at buildings such as Lossiemouth High School, the mastic around its windows and doors needs looking after like any other building’s.
Comparing quotes
- How hidden problems are handled
- When the joint can take water or movement
- What insurance they hold
- Whether VAT is included
What happens if it’s left?
Running fresh sealant over the old joint is tempting, but new sealant cannot bond to old, crumbling mastic. It soon lifts and the leak carries on behind it. Proper resealing starts with removing the old joint. Exposed walls in smaller Scottish places take a lot of wind and rain, and damp in stone or harled walls takes a long time to dry once water gets behind a joint.
Some things make a job bigger or smaller: the old material and how easily it comes out, any mould to treat, and whether we need extra access for height. We take all of that into account in your quote.
Why book with us
- Sealant colour chosen to suit
- 4.9 on Google from 180+ five-star reviews
- 20+ years of sealant experience
- Every job guaranteed for a year
See what affects the cost and our reviews.
Work for landlords, hotels and businesses
Hotels need rooms back in use, so the work can be planned room by room. We’ve worked in hotels as well as homes and businesses.
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.
What window mastic looks like in Lossiemouth
Lossiemouth is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That’s hard on the mastic around window and door frames, especially on the side facing the sea. Many older homes in Scotland have sash and case windows, often pointed into the wall with traditional sand mastic.
Around Lossiemouth, as everywhere, window mastic is only as good as the preparation behind it.
Lossiemouth is about 5 miles north of Elgin, in Moray. Homes, rented property, offices and hotels in Lossiemouth can book us for window mastic. Every job comes with our one-year guarantee. Lossiemouth is one of 58 towns and villages in Moray where we work for window mastic. Aberdeen is on our list too, about 58 miles from Lossiemouth.
Postcode districts we cover here for window mastic: IV31. If you need window mastic at a property on High Street, School Brae and Ramsay Lane or anywhere close by, we can help. Lossiemouth is on the A941 and B9040, which makes it straightforward to reach. We also cover Muirton (1 mile south), Covesea (2 miles west), Duffus (4 miles west), Elgin (5 miles south) and Lochhill (5 miles south-east). We also work in nearby towns such as Buckie (12 miles east), Forres (14 miles south-west), Ashgrove (5 miles south), Burghead (7 miles west), Fochabers (10 miles south-east) and Findochty (14 miles east). Lossiemouth is among the bigger towns we cover in Moray. For island and remote addresses, the job takes a little more planning.
Around Lossiemouth
In Lossiemouth, that means homes and buildings near James Square. Well-known places in the area include Lossiemouth Fisheries and Community Museum (0.6 miles north-east) and Kinneddar Castle (0.6 miles south-west). Open spaces near Lossiemouth include Loch Spynie.
The process
We work through the job in order: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a morning for a couple of windows and a door, and the area is left clean. Somewhere like Lossiemouth may be a longer drive, and the journey is planned ahead. Mention tracks, gates, ferries or anything else about the route.
- We check each frame and agree which ones need doing.
- We remove the old mastic and clean the frame and the wall.
- Where gaps are deep, backing rod goes in first.
- A flexible, weatherproof sealant is applied in a colour to suit the frame.
- Finally we tidy up and check each joint.
How to prepare
- Mention if the joints have been sealed before
- For indoor joints, keep the area dry beforehand if you can
- Plan for the work area to be out of bounds to pets and children
Get a quote
Asking for a quote is easy: let us know the job and the location and its rough size. A few pictures by email make the job easier to understand.
Related advice
When something else is needed
Honest advice matters more to us than a booking, so here’s what sealant can’t fix:
- Broken hinges, locks or handles
- Condensation trapped between the panes
- Rotten timber, which needs a joiner first
If you’re not sure, just email us at info@mrmastic.co.uk and we’ll give you a straight answer before you book.
Where we work in Lossiemouth
- uPVC windows
- Patio & French doors
- Aluminium frames
- Composite doors
- Window sills
- Timber windows & doors
More services for Lossiemouth
Lossiemouth: your questions answered
Is window mastic in a coastal place like Lossiemouth any different?
Near the sea, outside joints face more wind, rain and salt than they would inland, so preparation and the right sealant matter all the more. It’s worth checking the walls that face the sea first.
Can you do window mastic in Lossiemouth?
Yes. We work across all of Scotland, and Lossiemouth is part of that. Just email us at info@mrmastic.co.uk with a few details of the job.
Will resealing my frames help with draughts?
Yes, where the draught is at the frame edge. We find where the air is coming from before we reseal.
Will the old sealant be removed?
Yes. We cut out all the old sealant and clean the joint.
What do you put in the joint?
Products from Arbo and Everbuild, among others, chosen to suit the joint. We explain the product when we quote.
How many windows can you do in a day?
A few frames take a few hours, while a whole house takes longer. We confirm the timing with your quote.
Do you work for hotels and businesses?
Yes. We have worked for hotels, offices and other businesses.
Can you do several jobs on one visit?
Of course. Combining jobs makes good use of the visit.
Aftercare tips
No joint lasts for ever, but care makes a real difference. A few tips:
- Look round the frames every year or so
- Do not aim a pressure washer at the joints
- Keep drainage slots and sill grooves clear
- Clean frames with a soft cloth and soapy water
Have a look at the joints once a year, ideally after winter. Small splits are simple to catch before they leak.
Signs to watch for: cracks in the mastic, gaps you can see light through, damp on the reveal or mould around the inside of the frame. Any of these is worth a call.
DIY sealant or a professional job?
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.