Edinburgh · Scotland
Liberton Window Mastic
Window mastic in Liberton from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Cracked sealant at the sill ends
- Cracked internal joints between frame and plaster
- Gaps left after new windows were fitted
How we quote for window mastic
Every job gets its own quote. This is what makes a difference:
- The amount of work
- How many rooms, windows or areas are involved
- Working hours on commercial sites
- Whether the work is at height
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. Call for a quick quote and we’ll go through it with you.
Asking for a quote
To make quoting easier, please include:
- If it’s domestic, commercial or a hotel
- Whether it has been sealed before
- Photos by email, if that is easy
- The address or postcode of the job
If you’re in Liberton and need window mastic, email us at info@mrmastic.co.uk. Tell us what the problem is and where, and we will agree the price before any work begins.
Window mastic for homes and businesses in Liberton
From a single sill to a whole house of windows, the work is priced before anything is done. Just drop us a line at info@mrmastic.co.uk and tell us how many frames there are and how they’re reached. We work on patio & French doors, composite doors and timber windows & doors, and people most often call us about gaps between the frame and the inside reveal and draughts coming in around windows and doors.
Sash and case windows are a feature of older tenements in all four Scottish cities, and plenty still have them. Whether you’re in a tenement flat or a house in Liberton, the joint between frame and wall is what keeps the weather out.
We guarantee the work for a year. If something is not right with it in that time, tell us and we will put it right.
- Where
- Liberton (EH16, EH17, EH9)
- Wider area
- Edinburgh
- Guarantee
- A year, on every job
- Quote
- Quoted before any work starts
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Why it’s worth doing now in Liberton
Not every sealant suits a window. Interior caulk and bathroom silicone aren’t made for exterior frame joints. A low-modulus exterior sealant keeps its stretch through hot and cold weather. Scottish rain finds any gap around a frame or wall joint, and in Liberton, damp can spread through stone and plaster before anyone sees it.
The cost depends on the amount of work, how much old material has to come out and how easy the joints are to reach. You’ll have a clear quote before any work starts, so you know where you stand.
Why us?
- A 12-month guarantee on all work
- We never seal over old sealant
- We agree the colour with you first
- 20+ years of sealant experience
Questions from Liberton
How is work on the outside of a tenement in Liberton generally arranged?
Most tenements arrange shared repairs through the owners or a property factor. The Tenements (Scotland) Act 2004 sets the rules for common parts if the deeds do not.
Do you work for landlords with property near Shawfair station?
Yes, we work for landlords and letting agents. You can email us at info@mrmastic.co.uk with the address and a few details, and we’ll give you a fixed price before work begins.
Can you do several jobs on one visit?
Yes. Just list everything you need.
What information do you need?
The location, the problem and the rough size of the job. Photos by email help too.
How long before the joint can be used?
That depends on the sealant used, so please follow the time we give you when we finish.
How many windows can you do in a day?
Allow anything from an hour or two to a full day, depending on how many frames there are. Access and the amount of old mastic make the biggest difference.
Do you work on first-floor windows?
Yes, where it’s safe. Higher or awkward frames may need extra access, and we will confirm what’s needed.
Can I paint over the new sealant?
Silicone generally won’t take paint. Let us know beforehand, and we will use a paintable product where it suits.
What we do, step by step
On the day, we start by going over the job with you, so there are no surprises. We protect the surfaces around the joints before any work begins. The work normally takes anything from an hour or two to a full day, depending on how many frames there are. Parking in city streets around Liberton can be tight or controlled, so it helps to know about permits or nearby bays. For flats, mention the door entry system and any shared-stair arrangements.
- Each frame is looked over and we agree which ones need resealing.
- We remove the old mastic and clean the frame edge and wall.
- Deep gaps get closed-cell backing rod to set the depth.
- The new sealant goes on in white, brown, anthracite grey, black or clear to suit.
- We tool each bead neatly and check every joint is closed.
How to prepare
- Keep pets and children clear of the area while we work
- Where the joints are inside, avoid wetting them before we arrive
- On commercial sites, let us know about site rules
How to get a quote
Every job is quoted individually, so start by telling us what you need. Just send an email to info@mrmastic.co.uk with the details.
Read more
Liberton homes and the weather
Sash and case windows are common in older Scottish homes, often pointed into the wall with traditional sand mastic. Edinburgh’s Old and New Towns are a UNESCO World Heritage Site, and the Georgian New Town is known for its sash windows. For listed homes and conservation areas, check with the council before changing how windows or walls look.
For an older house near a landmark such as Liberton Parish Church, the joint between an old wall and a newer frame is generally the first place rain gets in. Managing a site like Liberton High School? Then the mastic around its windows and doors needs looking after like any other building’s.
Liberton is about 3 miles south-east of Edinburgh, in Edinburgh. We carry out window mastic for homes and businesses in Liberton and the surrounding area. Liberton is one of 175 places in Edinburgh where we work.
Jobs for window mastic in EH16, EH17 and EH9 works the same way as everywhere else we cover. We cover properties on Orrok Lane, Little Road and Kedslie Road. Being close to the A701, Liberton is easy for our applicators to reach for window mastic. Neighbouring places we cover for window mastic include Ellen's Glen (1 mile south-east), Inch (1 mile north-east), Alnwickhill (1 mile south-west), Gracemount (1 mile south) and Howden Hall (1 mile south). We also work in nearby towns such as Edinburgh (3 miles north-west), Leith (5 miles north), Bonnington (4 miles north), Greenside (3 miles north), Broughton (3 miles north) and Bellevue (3 miles north).
What’s near Liberton
In Liberton, that means homes and buildings near Inch Park and St Margaret's School. Liberton’s nearest station is Shawfair station, roughly 2.8 miles east of the centre. Well-known places in the area include Natural History Collections (0.8 miles north-west) and Craigmillar Castle (1.1 miles north-east). Not far away are The New Leaf Co-op and Blackford Hill.
Signs you need window mastic in Liberton
Water runs down the glass onto the sill, so the sill ends and the joint below the frame are common leak points. Failed sealant there lets rain into the wall or behind the frame.
People generally contact us when they notice one of these:
- Gaps left after new windows were fitted
- Mastic that has split away from the wall
- A bead that does not match the frame
- Black, perished sealant on frames
For landlords with property near Shawfair station, renewing tired window mastic between tenants heads off draught and damp complaints.
Comparing quotes
- Whether the sealant suits the joint
- Is VAT in the price?
- Are they insured?
- What happens if they find a problem under the old sealant
Aftercare tips
How long the joints last depends on use and care. We suggest:
- Ventilate rooms so frames do not stay wet inside
- Wash the frames with mild soapy water
- Look round the frames every year or so
- Avoid harsh chemicals near the mastic
Keep sill grooves and drainage slots clear, so water can run away instead of sitting against the joint.
Wet, windy weather is when failed mastic shows itself, but sealant goes on best when frames and walls are dry. Sorting cracked mastic early means the joint is sound before the bad weather.
What sealant work can’t fix
To be straight with you, there are a few things sealant won’t fix:
- A door that needs adjusting, rehanging or new seals
- Damp problems in the wall away from the window
- A failed sealed unit that has misted up
If you’re not sure, just email us at info@mrmastic.co.uk and we’ll give you a straight answer.
Where we work in Liberton
- Timber windows & doors
- Composite doors
- Aluminium frames
- Window sills
- uPVC windows
- Patio & French doors
Can I do it myself?
Some sealant jobs are within reach of a careful DIYer, 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.
The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it peels away and traps moisture behind it. All the old material has to come out first.