Na h-Eileanan Siar · Scotland
Window Mastic in Liurbost
Mastic around window and door frames, sills and patio doors for Liurbost, backed by a one-year guarantee. Call for a quick quote.
- Rain getting in at the frame or under the sill
- Cold air getting in at the frame edge
- Leaking joints at the ends of sills
Window mastic for homes and businesses in Liurbost
Over two decades of sealing frames has taught us which products suit which walls. We are ARBOMaster approved and fully insured, and every job is covered by a 12-month guarantee. We work on window sills, composite doors and aluminium frames, and people most often call us about draughts coming in around windows and doors and old mastic that has gone black or come away.
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.
All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.
- Place
- Liurbost (HS2)
- Wider area
- Na h-Eileanan Siar
- Cover
- A year, on every job
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Last updated
- 26 October 2026

Keeping the joints in good condition
To keep the joints looking good and working properly:
- Keep jet washers away from the mastic
- Clear any debris from frame drain holes
- Check the mastic once a year
- Don’t use solvent cleaners on the joint
Check the drainage slots in the frames are not blocked, so rain drains out rather than building up at the sealant.
Wet, windy weather is when failed mastic shows itself, but resealing works best in dry conditions. Dealing with it when you first notice a crack avoids chasing leaks through the wet months.
Frames and glazing around Liurbost
Liurbost is within about 2 miles 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 window and door frames, which can dry out and crack sooner where a building faces the weather. Sash and case windows are common in older Scottish homes, and the joint between the box frame and the stone or render is traditionally pointed with sand mastic.
In the older streets around Parish Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Liurbost is in Na h-Eileanan Siar. If you need window mastic in Liurbost, it’s easy to get a quote: please email us at info@mrmastic.co.uk. We cover Na h-Eileanan Siar from our Crawley base. Our Na h-Eileanan Siar coverage runs to 87 places, Liurbost among them.
We cover every part of HS2 for window mastic. We cover properties on Macdonald Gardens, Liurbost and Kennedy View. If you are just outside Liurbost, we cover North Lochs (1 mile east), Crosbost (1 mile east), Lacasaidh (3 miles south-west), Marybank (6 miles north) and Stornoway (6 miles north-east). Island and remote addresses take a little more planning, so please mention your location when you email us at info@mrmastic.co.uk.
Landmarks near Liurbost
Well-known places in the area include Ravenspoint Centre Museum (3.9 miles south). For a walk, there’s Nisreaval and Loch na Craoibhe.
What sealant work can’t fix
In fairness, some problems need a different trade:
- A door that needs adjusting, rehanging or new seals
- Damp coming through the wall itself rather than the frame joint
- Soft or decayed wood in the frame
If in doubt, send an email to info@mrmastic.co.uk and we will say what we think.
Where we work in Liurbost
- uPVC windows
- Timber windows & doors
- Patio & French doors
- Aluminium frames
- Window sills
- Composite doors
Liurbost: your questions answered
Will you come out to Liurbost?
Yes, smaller places are covered as well as towns. We work across all of Scotland, including the islands, where work is planned around ferry crossings. Just mention lanes, gates or anything else about the route when you book.
Does living near the coast affect window mastic in Liurbost?
Coastal homes put outside sealant through more weather than inland ones, so the choice of sealant and the preparation matter even more. It’s worth checking the walls that face the sea first.
Is it worth trying it myself?
It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional, while a short indoor joint may be within reach.
I rent my home. Can I book you?
Yes, but check with your landlord or agent first. Landlords are often happy for the work to be arranged.
Can you do several jobs on one visit?
Yes. Just list everything you need and we will quote it together.
Are you insured?
Yes. Mr Mastic is fully insured.
What do you put in the joint?
The product depends on the job: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. We use products from Arbo and Everbuild.
Will it make a mess?
Tidy work is part of the job. We protect what’s around the joints, and we clear up when we are done.
What happens on the day
Every visit runs the same way: we check the joints, protect the area around them, do the work and tidy away. It normally takes a few hours for a handful of frames, longer for a whole house. Somewhere like Liurbost may be a longer drive, and the journey is planned ahead. Tell us about tracks, gates, a ferry crossing or anything unusual about getting there.
- 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.
- We clear up and check every joint is fully closed.
Getting ready for the visit
- Keep pets and children clear of the area while we work
- For business premises, tell us about site rules or sign-in
- Mention any leaks or damp you’ve noticed
Ask for a quote
Need a quote? Please send an email to info@mrmastic.co.uk with a few details. You will know what we plan to do, and what it will cost, before any work begins.
Read more
Common problems we fix in Liurbost
A lot of older mastic was never designed to stay flexible. Once it has hardened, the frame’s movement tears it from the wall, leaving a hairline gap down one side.
If you can see any of these, it’s time to have the joints looked at:
- Gaps between the frame and the inside reveal
- Water coming in at the bottom corners of a door
- Rushed sealant from a window installation
- Cracked sealant at the sill ends
Around Liurbost, as everywhere, window mastic is only as good as the preparation behind it.
Comparing quotes
- How the colour is chosen
- Who does the work, and how experienced they are
- What the quote includes, VAT included or not
- How long to leave it before use
What the job involves on each surface
Patio & French doors
Door frames take knocks and movement every time the doors are used. A flexible sealant copes with that, where a rigid one would crack.
Window sills
Where a sill meets brick or render, the ends often crack first. We reseal them so rain cannot run into the wall.
Why act early in Liurbost
A quick bead over the top of old mastic looks like an easy fix, but it will not grip old, dirty sealant. It soon lifts and the leak carries on behind it. Proper resealing starts with removing the old joint. Around Liurbost, water from a failed joint in an older stone home can soak into timber and plaster.
The cost depends on the amount of work, how much old material has to come out and how easy the joints are to reach. We give a clear quote before any work starts.
Why book with us
- Every job guaranteed for a year
- A choice of colours where the product allows
- Colour agreed with you before any work starts
- Anti-fungal silicone where joints get wet
Read how sealant jobs are priced and customer reviews.
What else we do in Liurbost
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 chosen for how the joint moves and where it is, and the work is guaranteed for a year.
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
