Edinburgh · Scotland
Window & door mastic in Longstone, Edinburgh
Problem with your window and door frames in Longstone? We remove the old material, prepare the joints and seal them properly, with a 12-month guarantee.
- Draughts coming in around windows and doors
- Mastic that has split away from the wall
- Cracked sealant at the sill ends
Questions from Longstone
How is work on the outside of a tenement in Longstone normally arranged?
The owners of the flats usually agree repairs to shared parts like the roof and outside walls, and many buildings have a factor to arrange it. Where the title deeds are silent, the Tenements (Scotland) Act 2004 fills the gaps. Windows often belong to the individual flat, but it’s worth checking your deeds.
Is Longstone in your area for window mastic?
Yes. Our work covers the whole of Scotland, and Longstone is part of that. Just email us at info@mrmastic.co.uk with a few details of the job.
What does window mastic cost?
We do not publish prices, because the cost depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.
What sealant do you use?
Each joint gets the product that suits it. Where it moves, gets wet or faces the weather makes a difference, and we’ll explain our choice.
Can you get sealant to suit coloured frames?
Generally, yes. Tell us the frame colour when you get in touch and we’ll match it as closely as we can.
Does someone need to be in?
If the work is inside, we need someone to let us in. Once we have agreed the job, you don’t need to watch us work.
How long will my window job take?
It depends on access, the old mastic and the size of the frames. You will know the timing when we quote.
Do you work for letting agents?
Yes, regularly. Several properties can be quoted together.
Window mastic in Longstone, done properly
Colour matters on a frame. White, brown, anthracite grey, black and clear sealants are all available, so the bead blends with the window rather than framing it. We are often asked to deal with rushed sealant from a window installation and sealant in the wrong colour for the frame, across window sills, timber windows & doors and patio & French doors.
Longstone is in one of Scotland’s four big cities, where many older buildings are sandstone or granite. Natural stone around older windows needs a sealant that won’t mark or attack it, so acetoxy silicones, which can attack some stone, are best avoided.
All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.
- Location
- Longstone (EH14, EH11, EH13)
- Wider area
- Edinburgh
- Guarantee
- One year on every job
- Quotes
- A clear price before any work starts
- info@mrmastic.co.uk
- Updated
- 26 October 2026
What else we do in Longstone
Honest limits
Some problems need a builder, plumber or other trade rather than us:
- Soft or decayed wood in the frame
- Broken hinges, locks or handles
- Condensation trapped between the panes
If you’re not sure, just email us at info@mrmastic.co.uk and we will give you a straight answer before you book.
Surfaces we seal
- Aluminium frames
- Composite doors
- Window sills
- Timber windows & doors
- uPVC windows
- Patio & French doors
Signs you need window mastic in Longstone
Sun, frost and rain wear sealant out. Sunlight dries the surface out, and over the years it loses its give, cracks and comes away.
These are the problems we are asked about most:
- Gaps between the frame and the inside reveal
- Black, perished sealant on frames
- Untidy mastic left by window fitters
- White mastic on grey or black frames
Schools such as Merchiston Castle School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s.
What to look for in a quote
- Which colour the sealant will be
- How long to leave it before use
- Whether VAT is included
- How the joint is cleaned and prepared
How it works
When we arrive, we start by going over the job with you. Surfaces next to the work are protected before any work starts. The work normally takes most of a day for a typical house, less for a few frames. In a Scottish city, a lot of jobs are in tenement flats, up a common stair from a shared close. In Longstone, it helps to know the floor, the door entry arrangements and the nearest parking.
- We start by checking each window and door with you.
- We remove the old mastic and clean the frame and the wall.
- Deep gaps are filled with backing rod to set the depth.
- We apply a weatherproof sealant to match the frame and tool it neatly.
- Every joint is checked before we leave.
Getting ready for the visit
- Where the joints are inside, avoid wetting them before we arrive
- Mention if the joints have been sealed before
- Plan for the work area to be out of bounds to pets and children
How to get a quote
Asking for a quote is easy: let us know what needs doing and where. Photos by email help us understand the job, and we will come back to you with a quote.
Read more
Different surfaces, different methods
Window sills
Where a sill meets brick or render, the ends often crack first. We reseal them so rain cannot run into the wall.
Timber windows & doors
Where timber has rotted at the joint, it needs repairing first. We will point out any rot we find, as a joiner will need to deal with it.
Frames and glazing around Longstone
The Tenements (Scotland) Act 2004 sets out how owners share the upkeep of common parts like the roof and outside walls, often through a property factor. Windows normally belong to the flat, but the title deeds have the final say. Private landlords in Scotland must meet the Repairing Standard, which includes keeping a home wind and watertight, and failed outside joints work against that.
If you let a flat or house near Kingsknowe station, sound mastic around windows and doors keeps out the draughts and damp that tenants notice first. Historic houses such as Whitefoord House, about 3.8 miles north-east, show how far back building around Longstone goes, and older homes nearby need a sealant that suits their walls.
Longstone is about 3 miles south-west of Edinburgh, in Edinburgh. We provide window mastic to homeowners, landlords and businesses in Longstone and nearby, as part of our work across Edinburgh. Our area takes in 175 places across Edinburgh, from the larger towns to small villages.
Every address in EH14, EH11 and EH13 is within our area for window mastic, from the main roads to the quietest streets. Local streets include Redhall Road, New Mart Road and Dumbryden Road. Longstone sits on or near the A71, so getting to you is simple. We also cover the places around Longstone: Parkhead (1 mile north-east), Redhall (1 mile east), Kingsknowe (1 mile south), Saughton (1 mile north-west) and Chesser (1 mile north-east). Within a short drive, we also cover Edinburgh (3 miles north-east), Leith (5 miles north-east), Bonnington (5 miles north-east), Greenside (4 miles north-east), Broughton (4 miles north-east) and Bellevue (4 miles north-east).
What’s near Longstone
Locally, jobs take us to homes and businesses close to Saughton Park, Balgreen Primary School and Firrhill High School and the streets around them. Longstone has its own railway station: Kingsknowe station. Other landmarks nearby include Craiglockhart Hydropathic (0.9 miles south-east) and The Gyle Shopping Centre (2.4 miles north-west). For a walk, there’s Craiglockhart Hill and The New Leaf Co-op.
Leave it or put it right?
Once mastic fails, rain can get between the frame and the wall. Left long enough, it can stain inside walls, spoil plaster and rot wooden frames. A reseal is a much smaller job. Scottish rain finds any gap around a frame or wall joint, and in a tall building in Longstone, damp can travel a long way before it shows.
Instead of a standard rate, we price the job in front of us: the amount of work, the old material and the access. You’ll know the price before we begin.
Why choose Mr Mastic in Longstone
- Old sealant always removed completely
- We agree the colour with you first
- Sanitary silicone with an anti-fungal additive in wet areas
- Arbo and Everbuild products
Take a look at what affects the cost and our reviews.
DIY sealant or a professional job?
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
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 does not work out, we can still put it right.
What affects the quote in Longstone
Some jobs are bigger than they look, and some smaller. The main factors:
- Any mould that needs treating
- When we can work, for business premises
- How much there is to do
- Which sealant suits the joint
We do not show prices on the website, because each job is priced on what it involves. Call for a quick quote and we will talk you through it.
What to tell us for a quote
You do not need to know the technical terms. Just tell us:
- What the problem is, such as mould, gaps, leaks or cracking
- Where the job is, and your postcode
- The rough size of the job
- Whether it’s a home or a business
For a quote, send an email to info@mrmastic.co.uk and tell us where the job is and what the problem looks like. You’ll have a clear quote before work begins.