Edinburgh · Scotland
External & façade joints in Duddingston, Edinburgh
External mastic across Duddingston and nearby, with every bit of old sealant taken out first and a 12-month guarantee.
- Joints pointed up with cement by mistake
- Damp patches traced to an open external joint
- Sealant that has lost its bond to the brick or render
What sealant work can’t fix
Honest advice matters more to us than a booking, so here’s what new sealant will not do:
- Adding movement joints to masonry that has none
- Failed render or damaged cladding panels
- Damp from another source, such as a leaking gutter or a bridged damp-proof course
If you are not sure, just send an email to info@mrmastic.co.uk and we will give you a straight answer before you book.
Surfaces we seal
- Joints between brick and frames
- Render & cladding joints
- Brickwork movement joints
- Concrete & block
- Copings & trims
- Façade panels
How we handle external mastic in Duddingston
Ground-floor and low-level joints are straightforward to reach. Where joints are higher up, tell us about the building when you get in touch and we’ll confirm what’s needed to reach them safely. If you are dealing with failed seals between different materials and rain getting behind render or cladding at a joint, we can help, whatever the surface.
Stone walls need a stone-friendly sealant, as acetoxy products can attack some stone. On newer homes, the movement joints and roofline trims are what need watching.
We stand behind the work with a one-year guarantee.
- Place
- Duddingston (EH8, EH15, EH16)
- Wider area
- Edinburgh
- Guarantee
- A year, on every job
- Quote
- A clear quote up front
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Questions from Duddingston
Does living near the coast affect external mastic in Duddingston?
Coastal weather is harder on outside sealant: there’s more wind-driven rain and, closer to the shore, salt in the air. The right product, a clean joint and the right depth all help it cope.
Do you work for landlords with property near Brunstane station?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. You can email us at info@mrmastic.co.uk with the details for a clear quote.
Can you do several jobs on one visit?
Of course. Doing several areas at once is normally more efficient.
Is it OK to fill a movement joint with cement?
No, not if it’s a movement joint. Pointing it stops it working and can lead to cracking. A flexible sealant is the right fill.
Do you work at height?
It depends on the height and the site. Low-level joints are straightforward; for higher ones, send details and we’ll confirm the access.
Why is there a gap in my brick wall?
A vertical gap in a long brick wall is usually a movement joint. It gives the wall room to move and needs a flexible seal, not mortar.
Can you work on commercial sites?
Yes. We have worked for hotels, offices and other businesses.
Do I need to be at home?
For indoor joints, yes, someone needs to let us in. After that, you can carry on with your day.
What the job involves on each surface
Copings and trims
Coping and trim joints face rain and sun head on. Each is resealed with a weatherproof, flexible sealant.
Render joints
The face of render can be soft, so a sealant that stretches easily protects the edges. We prime where the product needs it.
How we quote for external mastic
Some jobs are bigger than they look, and some smaller. The main factors:
- How many rooms, windows or areas are involved
- Whether the work is at height
- When we can work, for business premises
- Mould in or behind the old joints
The cost reflects the work involved, not guesswork. That is why we ask about the job first and give you a clear quote before any work starts.
Helping us quote
The more you tell us, the more accurate the quote. When you get in contact, it helps to mention:
- Pictures of the joints, sent by email
- What the problem is, such as mould, gaps, leaks or cracking
- If someone has resealed it before
- The rough size of the job
For a quote, send an email to info@mrmastic.co.uk with the location and a short description of the problem. You’ll have a clear quote before work begins.
Can I do it myself?
A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
Places near Duddingston
Also in Duddingston
How the visit works
Once we are on site, we check the joints match what you told us. If we find something unexpected, we talk it through with you first. After that, the work takes a few hours to a few days, depending on the length of joint and the access. For a place like Duddingston, longer drives are planned in advance. Mention tracks, gates, ferries or anything else about the route.
- Each joint is checked and the colour of the new sealant agreed.
- Failed sealant is removed back to clean, sound faces.
- Backing rod goes in so the sealant can stretch between the two faces.
- We prime the faces where required.
- A low-modulus exterior sealant is gunned in and tooled to a neat finish.
How to prepare
- Keep pets and children clear of the area while we work
- Tell us if parking is tricky
- Let us know about stairs, lifts or work at height
How to get a quote
For external mastic in Duddingston, email us at info@mrmastic.co.uk. Tell us what the problem is and where, and you’ll get a clear quote before work begins.
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Walls and rooflines in Duddingston
Duddingston is within about 2 miles of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That is hard on movement joints and outside wall joints, especially on the side facing the sea. Edinburgh’s Old and New Towns are a UNESCO World Heritage Site, and the Georgian New Town is known for its sash windows. 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.
Managing a site like Holy Rood High School? Then larger buildings have long runs of movement joint that eventually need resealing. In the older streets around Duddingston Kirk, old and new materials meet at the roofline and walls, which is where sealant earns its keep. For landlords with property near Brunstane station, failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Duddingston is about 1 mile south-west of South Portobello, in Edinburgh. Jobs in Duddingston get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Duddingston is one of 175 towns and villages in Edinburgh where we work for external mastic.
We cover every part of EH8, EH15 and EH16 for external mastic and the streets around it. You’ll find streets such as Old Church Lane, Duddingston Road West and The Causeway, all of which we cover. We also cover the places around Duddingston: Northfield (1 mile north-east), Craigmillar (1 mile south), Willowbrae (1 mile north), Prestonfield (1 mile south-west) and Mountcastle (1 mile north-east). Larger places within reach include Leith (3 miles north), West End (3 miles west), Stockbridge (3 miles north-west), North Leith (3 miles north-west), Canonmills (3 miles north-west) and West Coates (3 miles west).
What’s near Duddingston
In Duddingston, that means homes and buildings near St Trinnean's School, Scottish Poetry Library and Peffermill Playing Fields and the streets around them. The nearest railway station is Brunstane station, roughly 1.8 miles east of the centre. Nearby you will also find Craigmillar Castle (1.1 miles south) and Cameron Toll Shopping Centre (1.2 miles south-west). The countryside around Duddingston includes Duddingston Loch and Nether Hill.
Why deal with it now?
Done well, a resealed joint is a neat, straight line that suits the wall. A rushed bead with no backing looks untidy and doesn’t last. When the nearest tradesperson is a drive away, it’s tempting to leave a small leak, but water through a failed joint keeps working away until it’s fixed.
Doing several joints on one visit normally makes better use of the time than several visits. We’ll give you a clear quote for the lot.
Why Duddingston customers choose us
- We’re fully insured
- More than 20 years in sealant work
- Experience in homes, commercial sites and hotels
- Colour agreed with you before any work starts
Looking after it afterwards
Once the sealant has cured, a few habits help it last:
- Clear growth from the base of walls and joints
- Wash walls gently around the sealant
- Keep water from gutters off the wall
- Check external joints each spring
Keep the joints clear of soil, plants and climbing growth. Anything that holds water against the joint wears it out sooner.
Once a joint can’t move, the wall finds another way, usually as cracking in the brickwork or render nearby. Resealing it early helps prevent that.