Edinburgh · Scotland
Window & door mastic in Sighthill, Edinburgh
Window mastic for Sighthill, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Gaps left after new windows were fitted
- Damp patches on the reveal after heavy rain
- Cracked internal joints between frame and plaster
Should I try it myself first?
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
Sealing over old silicone is the commonest DIY error. New silicone will not bond to old, so it lifts and traps water and mould underneath. All the old material has to come out first.
Window mastic in Sighthill
The mastic around a window or door seals the gap between the frame and the wall. Once that seal fails, wind and rain find the gap. The old mastic is removed and the joint resealed with a flexible exterior sealant. Typical jobs include rushed sealant from a window installation and black, perished sealant on frames, across window sills, timber windows & doors and aluminium frames.
Scotland’s cities are full of stone-built tenements and terraces, in sandstone or granite. Natural stone around older windows needs a sealant that won’t mark or attack it, which normally means a neutral-cure product or a traditional sand mastic rather than an acetoxy silicone.
You are covered for a year from the day we finish. If anything isn’t right with it, drop us a line at info@mrmastic.co.uk.

- Where
- Sighthill (EH11, EH14, EH12)
- Wider area
- Edinburgh
- Cover
- A year, on every job
- Price
- Quoted before any work starts
- info@mrmastic.co.uk
- Updated
- 26 October 2026
Questions from Sighthill
Who arranges sealant work on the shared parts of a tenement in Sighthill?
Shared parts of a tenement, such as the roof and outside walls, are normally repaired with the agreement of the owners, often through a property factor. 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.
Do you work for landlords with property near Wester Hailes station?
Yes. We work for landlords and agents as well as homeowners, and several properties can be quoted together. You can send an email to info@mrmastic.co.uk with the details for a clear quote.
How many windows can you do in a day?
Allow a few hours for a handful of frames, longer for a whole house. Access and how stubborn the old mastic is affect the time most.
Are you ARBOMaster approved?
Yes. We are ARBOMaster approved, the scheme for applicators of Arbo sealants.
Should I try DIY first?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs.
Can I paint over the new sealant?
Silicone generally will not take paint. Let us know beforehand, and we will use a paintable product where it suits.
When is the sealant fully cured?
It depends on the product and the temperature. Before we leave, we will tell you the cure time.
Will you leave a mess?
No. We protect the surfaces around the joints, and we tidy up before we go.
How the job changes by surface
Patio & French doors
Patio and French doors have the longest joints on most houses. The threshold and the bottom corners take the most water, so we pay close attention there.
uPVC windows
We clean the frame edge carefully so the plastic isn’t marked, then the new bead is laid against the frame and the wall and tooled smooth.
Nearby places to Sighthill
More services for Sighthill
How it works
Before we leave, we go over the finished joints with you and tell you how long to leave it. The work normally takes a morning for a couple of windows and a door, depending on the size of the job. In a city area like Sighthill, parking may be by permit or pay-and-display, so tell us what’s nearby. For flats, mention the door entry system and any shared-stair arrangements.
- First we look at every frame and agree the list.
- The old mastic is cut out and the surfaces cleaned back.
- We fit backing rod in deep gaps so the sealant is the right depth.
- A flexible, weatherproof sealant is applied in a colour to suit the frame.
- We clear up and check every joint is fully closed.
Before we arrive
- Keep children and pets away from the work area
- Clear the area around the work
- Mention any sign-in or site rules at work premises
How to 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, and we’ll take it from there.
Read more
Why act early in Sighthill
Choosing the product is half the job. Decorators’ caulk and bathroom silicone aren’t designed for outside joints that move. A low-modulus exterior sealant keeps its stretch through hot and cold weather. In a tenement flat in Sighthill, a failed seal is rarely just your problem: water can reach the flat below, and gaps in shared walls or fire-stopping affect the whole stair.
Commercial jobs are quoted on the same basis as homes: how much there is to do, how we reach it and what it needs. Ask us for a quote and we’ll go through it with you.
Why book with us
- Rated 4.9 stars on Google
- 12-month guarantee on every job
- Sealant colour chosen to suit
- Fully insured
See how sealant jobs are priced and our reviews.
When it is not the sealant
Before booking, it’s worth knowing the limits too:
- Damp problems in the wall away from the window
- Rotten timber, which needs a joiner first
- A sash or casement that will not close properly
If you are not sure, just send an email to info@mrmastic.co.uk and we will give you a straight answer.
Surfaces we seal
- Patio & French doors
- Timber windows & doors
- uPVC windows
- Composite doors
- Window sills
- Aluminium frames
Sighthill homes and the weather
Edinburgh’s Old and New Towns are a UNESCO World Heritage Site, with sash windows throughout the Georgian New Town. If a home is listed or in a conservation area, it’s worth checking with the council before changing the look of windows or walls. 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. Who owns the windows depends on the title deeds.
Caroline Park, about 4.5 miles north-east, is one of the historic houses in the wider area around Sighthill.
Sighthill is about 3 miles south-west of Edinburgh, in Edinburgh. Our applicators cover window mastic for homes and businesses in Sighthill and the surrounding area, as part of our work across Edinburgh. Sighthill is one of 175 towns and villages in Edinburgh where we work for window mastic.
Work in EH11, EH14 and EH12 works the same way as everywhere else we cover. Streets in the area include Calder Road, Sighthill Road and Westburn Avenue, and we cover them all. We also cover the places around Sighthill: Wester Hailes (1 mile south-east), The Calders (1 mile south-west), Broomhouse (1 mile north-east), Baberton (1 mile south) and Clovenstone (1 mile south-east). Larger places within reach include Edinburgh (3 miles north-east), Leith (6 miles north-east), Bonnington (5 miles north-east), Greenside (5 miles north-east), Broughton (5 miles north-east) and Bellevue (4 miles north-east).
Landmarks near Sighthill
In Sighthill, that means homes and buildings near Merchiston Castle School and Saughton Park. For rail, the closest station is Wester Hailes station, about 0.5 miles south. A little further out are The Gyle Shopping Centre (1.6 miles north-west) and War Poets Collection (within half a mile north-west). Green spaces nearby include Craiglockhart Hill and The New Leaf Co-op.
What we are called out for in Sighthill
Joints that are too thin or too deep fail early. A skim of sealant over a wide gap soon tears, and a gap filled solid can’t flex. That is what backing rod is for.
The most common problems we see are:
- White mastic on grey or black frames
- Cracked internal joints between frame and plaster
- Black, perished sealant on frames
- Water coming in at the bottom corners of a door
If you let a flat or house near Wester Hailes station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.
Comparing quotes
- When the joint can take water or movement
- Which colour the sealant will be
- What happens if the job turns out different
- Whether all the old sealant comes out first
Quotes for window mastic in Sighthill
For a quick quote, just ask. The main things that affect it are:
- Whether the work is at height
- Whether old sealant or filler has to be cut out
- Whether there’s mould to deal with
- How much there is to do
Instead of a standard rate, we price the job in front of us: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.
Helping us quote
To help us quote quickly, please include:
- Where the property is
- The rough size of the job
- Whether it’s a home or a business
- Photos by email, if that’s easy
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints.
