Edinburgh · Scotland
External Mastic in Fernieside
Sealing brickwork movement joints, render, cladding and façade joints in Fernieside, with a 12-month guarantee on every job. Call for a quick quote.
- Movement joints with cracked, split or missing sealant
- Moss and dirt in joints with no sealant left
- Weathered mastic that no longer stretches
Looking after it afterwards
Once the sealant has cured, a few habits help it last:
- Get split or bare joints resealed while the damage is small
- Check the sealant is paintable before painting near it
- Look over the joints every year, ideally after winter
- Deal with leaking gutters that soak the joints below
Only paint over the joint if we have confirmed the sealant can take paint. Many exterior sealants are not designed to be painted.
Small splits are the time to act. Then it’s a straightforward cut-out and reseal with no damage behind it to deal with.
External mastic for homes and businesses in Fernieside
We cut out failed sealant, set the joint depth with closed-cell backing rod and reseal with a low-modulus exterior sealant. We pick a colour that sits well with the wall. We work on copings & trims, brickwork movement joints and render & cladding joints, and people most often call us about water getting into walls through failed joints and moss and dirt in joints with no sealant left.
In a Scottish city tenement, the roof, gutters and outside walls are shared by all the flats. In Fernieside, work on shared parts of a tenement is normally agreed between owners, often with a factor arranging it.
The work is covered for a year after we finish. If there’s a problem with it, please email us at info@mrmastic.co.uk.
- Where
- Fernieside (EH17, EH16, EH22)
- Region
- Edinburgh
- Guarantee
- One year on every job
- Price
- A clear price before work begins
- info@mrmastic.co.uk
- Updated
- 26 October 2026
The process
You don’t need to clear the whole room or building before we come, just the space around the work. We protect the rest, and the job takes a few hours for a handful of joints, longer for a whole elevation in most cases. Inside a flat in Fernieside, the job is planned with you; outside, shared parts may need the factor or other owners involved. Tell us which applies when you book.
- Each joint is checked and the colour of the new sealant agreed.
- We take out the old sealant until the faces are sound.
- Closed-cell backing rod is pushed in so the sealant bonds to two sides only.
- We prime the faces where required.
- We gun in low-modulus sealant and tool it neatly.
Before we arrive
- For indoor joints, keep the area dry beforehand if you can
- Tell us about any water getting in
- Mention any parking rules near the property
Getting a quote
Getting a quote is simple: let us know the job and the location. A few photos by email make the job easier to understand, and we will come back to you with a quote.
Advice
Work for landlords, hotels and businesses
If you manage several properties in or around Fernieside, several properties can be quoted together. Send us the addresses and the work at each, and pictures by email help.
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Resealing at the right time is simple maintenance that we can handle for you.
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.
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 doesn’t work out, we can still put it right.
Walls and rooflines in Fernieside
Fernieside is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on movement joints and outside wall joints, which can dry out and crack sooner where a building faces the weather. The Old and New Towns of Edinburgh 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.
In the older streets around Liberton Parish Church, old and new materials meet at the roofline and walls, which is where sealant earns its keep. For site and facilities teams at buildings such as Liberton High School, its movement joints, gutters and trims need looking after like any other building’s.
Fernieside is about 3 miles north of Bonnyrigg, in Edinburgh. Homes, rented property, offices and hotels in Fernieside is covered for external mastic, old or new, large or small. The work is guaranteed for a year. Our area takes in 175 places across Edinburgh.
We work across EH17, EH16 and EH22 for external mastic. You’ll find streets such as Drum Avenue, Gilmerton Road and Craigour Avenue, all of which we cover. You’ll find Fernieside on the A772, so it’s easy for us to get to. Neighbouring places we cover for external mastic include Ferniehill (1 mile south), Moredun (1 mile north-west), Craigour (1 mile north-west), Gilmerton (1 mile south) and Little France (1 mile north-west). Within a short drive, we also cover Edinburgh (4 miles north-west), Leith (5 miles north), Bonnington (4 miles north-west), Greenside (4 miles north-west), Broughton (4 miles north-west) and Bellevue (4 miles north-west).
Local landmarks in Fernieside
We work in homes and buildings around Drum Park and the streets around them. The nearest railway station is Shawfair station, about 1.6 miles east of the centre. Well-known places in the area include Natural History Collections (1.8 miles north-west) and Cameron Toll Shopping Centre (1.6 miles north-west). Green spaces nearby include Nether Hill and Duddingston Loch.
What affects the quote in Fernieside
The price is agreed before any work begins. It takes into account:
- Working hours on commercial sites
- Whether the work is at height
- The old material and how stubborn it is
- The amount of work
Rather than a set price list, 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.
Asking for a quote
A few details help us give you an accurate quote. When you ask for a quote, tell us:
- How many joints, rooms or windows are involved
- Photos by email, if that is easy
- The problem you’ve noticed
- If someone has resealed it before
For external mastic in Fernieside, send an email to info@mrmastic.co.uk. A short description of the job and where it is helps us quote, and we will agree the price before any work begins.
Common questions in Fernieside
Do you work for landlords with property near Shawfair station?
Yes, rental work is part of what we do. Just send an email to info@mrmastic.co.uk and tell us about the property, and we will give you a clear quote.
Who arranges sealant work on the shared parts of a tenement in Fernieside?
It usually goes through the owners together, or through the factor if the building has one. The Tenements (Scotland) Act 2004 sets the rules for common parts if the deeds do not, and we can quote for the factor or the owners directly.
Where is Mr Mastic based?
We work from Crawley. Our applicators cover Fernieside.
Is there a guarantee?
Yes, always. Each job is guaranteed for twelve months, wherever you are.
How long before the joint can be used?
Many sealants skin over quickly but take longer to cure fully. We’ll tell you how long to leave the joint.
What is a movement joint?
Walls move with heat, cold and moisture, and planned joints take up that movement. It’s closed with backing rod and a flexible sealant.
Can you seal over the old sealant?
No, because it fails. We remove every bit of old sealant first, so the new joint bonds to clean surfaces.
Will there be a smell?
Some sealants have a smell while they cure, which fades as it sets. Opening a window helps.
Places near Fernieside
What else we do in Fernieside
Do you need external mastic in Fernieside?
Many joints fail because they were sealed too deep or with nothing behind them. If the sealant sticks to the back as well as the sides, it can’t stretch and tears as soon as the joint widens.
Keep an eye out for these signs:
- Brick movement joints where the sealant has split
- Damp patches traced to an open external joint
- Rigid filler in a joint that should flex
- Panel joints letting water in
If you let a flat or house near Shawfair station, failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Questions to ask before booking
- How long to leave it before use
- How the surfaces are prepared before sealing
- How long the guarantee is
- Whether the sealant suits the joint
Why it’s worth doing now in Fernieside
Resealing a run of joints in one go is normally better than patching one at a time. They’ve weathered the same way, and access only has to be arranged once. In a Scottish city tenement, failed sealant affects more than one flat: a leak can come through the ceiling below, and gaps in shared walls or fire-rated joints matter to every flat.
Leaving a failed joint generally makes the job bigger, not smaller, because water and mould keep working on it. If you’re not sure whether it needs doing, email us at info@mrmastic.co.uk for an honest opinion and a quote.
Why choose Mr Mastic in Fernieside
- Homes, businesses and hotels
- Tidy, careful work
- ARBOMaster approved applicator
- Old sealant always removed completely