Edinburgh · Scotland
External Mastic in Craigmillar
Our applicators work in Craigmillar on sealing brickwork movement joints, render, cladding and façade joints. Old sealant removed completely, joints prepared properly and a 12-month guarantee.
- Rain getting behind render or cladding at a joint
- Sealant that has lost its bond to the brick or render
- Old sealant gone brittle and cracked
External mastic for homes and businesses in Craigmillar
Many failed façade joints only get noticed once there’s a stain or a damp patch inside. We inspect them, agree which need doing and reseal with a weatherproof, flexible sealant in a colour to suit. Typical jobs include joints where the bead has come unstuck and failed seals between different materials, on render & cladding joints, brickwork movement joints and copings & trims.
Gutters and downpipes on tall city tenements are a long way up, so a leaking joint can run down the stone for months before anyone notices. For a building in Craigmillar, access is planned first, and shared parts may need the other owners to agree.
Whatever the size of the job, it’s backed by our one-year guarantee in Craigmillar and across Edinburgh.
- Location
- Craigmillar (EH16, EH15)
- Region
- Edinburgh
- Guarantee
- 12 months on all our work
- Price
- A clear quote up front
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Landlords, agents and businesses in Craigmillar
Whether it’s one flat or a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a 12-month guarantee.
Letting agents often deal with us directly. Tell us the address, the job and how access works and we’ll give you a quote.
Places near Craigmillar
Other services in Craigmillar
Keeping the joints in good condition
After the cure time, these simple habits help:
- Fix overflowing gutters above sealed joints
- Clear growth from the base of walls and joints
- Leave the joints unpainted unless we have said otherwise
- Walk round the building once a year and look at the joints
Avoid pressure-washing straight into the joints. A strong jet can damage the edges of the bead and let water in behind.
If you can see gaps, plants or bare sections in a joint, have it checked. Earlier resealing means a smaller job and a better result.
Questions from Craigmillar
Can you help a landlord with a rental near Brunstane station?
Yes, rental work is part of what we do. You can send an email to info@mrmastic.co.uk with the address and a few details, and we will give you a fixed price before work begins.
Is external mastic in a coastal place like Craigmillar any different?
Near the sea, outside joints face more wind, rain and salt than they would inland, so preparation and the right sealant matter all the more. Walls facing the sea are generally the first to need attention.
Can new sealant go over the old?
No. Fresh sealant doesn’t stick to old sealant, and anything trapped underneath, including mould and water, stays there. We remove it all first.
Do you remove the old sealant?
Yes. We cut out all the old sealant and clean the joint before resealing.
Is there any odour?
Sometimes, a little. It fades as the sealant cures.
When will the joints need doing again?
There’s no fixed answer: joints on exposed walls or with a lot of movement age sooner. Check them each year and reseal when they split or harden. Every job carries our 12-month guarantee.
Do I have to be there?
For indoor joints, yes, someone needs to let us in. Once we’ve agreed the job, you do not need to watch us work.
Where are you based?
Our base is in Crawley, West Sussex, and we work across South East England, London and Scotland.
DIY sealant or a professional job?
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, then guaranteed for a year.
If you’ve already had a go yourself, that’s fine. We cut it out and start again.
Signs you need external mastic in Craigmillar
Sunlight, wet weather and frost wear exterior sealant down. In time it goes hard, crazes on the surface and stops stretching, so the joint eventually tears or comes away from one side.
It’s worth asking for a quote if you see:
- Sealant pulling away from one side of the joint
- Failed sealant between panels on a façade
- Rigid filler in a joint that should flex
- Damp patches traced to an open external joint
For landlords with property near Brunstane station, split movement joints are easy to miss on a rental until damp shows inside.
What your quote should include
- How the joint is cleaned and prepared
- Are they insured?
- Whether you can choose the colour
- Is VAT in the price?
What we do, step by step
Every visit runs the same way: we check the joints, mask and protect the surrounding surfaces, do the work and tidy away. It generally takes a few hours for a handful of joints, longer for a whole elevation. Inside a flat in Craigmillar, the job is planned with you; outside, shared parts may need the factor or other owners involved. Tell us which applies when you book.
- We inspect the joints and agree which need resealing and how they’ll be reached.
- We cut out the failed sealant and rake out any dirt or growth.
- Both sides are cleaned back to sound material and primed if needed.
- Closed-cell backing rod is fitted to set the depth and stop three-sided bonding.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
Before we arrive
- Let us know if you’ve seen damp or leaks
- For indoor joints, keep the area dry beforehand if you can
- Clear the area around the work
Get a quote
There’s no standard price list, as no two jobs are quite the same. Instead, we give you a clear price for your job. To arrange one, drop us a line at info@mrmastic.co.uk.
Related advice
What affects the cost of external mastic
The price is agreed before any work begins. It’s based on:
- The product the joint needs
- When we can work, for business premises
- The size of the job
- How many areas need sealing
Rather than a set price list, we look at what your job involves: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.
Asking for a quote
To help us quote quickly, let us know:
- Access, such as stairs, a lift or height
- The rough size of the job
- If it’s domestic, commercial or a hotel
- A few pictures by email, if you can
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and email photos if that’s easy.
Walls and rooflines in Craigmillar
Craigmillar is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That is hard on movement joints and outside wall joints, especially on the side facing the sea. Private landlords in Scotland must meet the Repairing Standard, which includes keeping a home wind and watertight, and sound outside sealant is part of that.
In the older streets around Robin Chapel, an extension built onto an older house moves differently, and the joint between them takes the strain. If you look after a building such as Castlebrae Community High School, larger buildings have long runs of movement joint that eventually need resealing.
Craigmillar is about 2 miles east of Newington, in Edinburgh. From the centre of Craigmillar to the outskirts, external mastic is available for homes and businesses alike, from flats and houses to offices and hotels. Craigmillar is one of 175 places in Edinburgh we cover for external mastic.
Every address in EH16 and EH15 is within our area for external mastic. Streets in the area include Dunkirk Road, Harewood Road and Seacole Square, all of which we cover. Other places close to Craigmillar include Greendykes (1 mile east), Bridge End (1 mile south-west), Duddingston (1 mile north), Bingham (1 mile north-east) and Niddrie Mains (1 mile east). Larger places within reach include Edinburgh (3 miles west), Leith (4 miles north), Bonnington (3 miles north-west), Broughton (3 miles north-west), Bellevue (3 miles north-west) and Silvermills (3 miles north-west).
Landmarks near Craigmillar
Typical jobs here are in homes near Craigmillar Castle Park, Duddingston Kirk and Sheep Heid Inn and the streets around them. Also close by are Portobello Library (1.8 miles north-east) and St Margaret's School (1.1 miles west). For rail, the closest station is Brunstane station, roughly 1.7 miles north-east. Well-known places in the area include Morita Museum of Fine Art (1.3 miles west) and Craigmillar Castle (within half a mile south). Not far away are Duddingston Loch and The New Leaf Co-op.
Why it’s worth doing now in Craigmillar
The longer a joint stays open, the more water the wall takes in. Wet masonry is more easily damaged by frost near the open joint, so the problem grows beyond the joint itself. For landlords in Craigmillar, damp and leaks can be a Repairing Standard issue, so it’s worth fixing failed sealant before a tenant reports it.
The cost reflects the work involved, not guesswork. That is why we ask a few questions first and agree the price before starting.
Why choose Mr Mastic in Craigmillar
- White, clear, grey or another colour, product permitting
- Sealant colour chosen to suit
- Sanitary silicone with an anti-fungal additive in wet areas
- Fully insured
Take a look at what affects the cost and what customers say.