Scottish Borders · Scotland
Fountainhall External Mastic
Specialist external mastic for Fountainhall: the right sealant, proper preparation and a neat finish. Call for a quick quote.
- Water getting into walls through failed joints
- Joints where the bead has come unstuck
- Hard, crazed mastic that has stopped moving
About our external mastic in Fountainhall
On houses, flats and commercial buildings across Fountainhall, we reseal joints in brickwork, render, cladding and façade panels. Every joint gets the same careful preparation: clean, sound faces and a controlled depth. We are often asked to deal with rigid filler in a joint that should flex and gaps where render, brick and frames meet, on façade panels, render & cladding joints and concrete & block.
Older stone buildings need a sealant that suits the stone, not an acetoxy product that can mark or attack it. On newer homes, the movement joints and roofline trims are what need watching.
Our work is backed for twelve months, and the guarantee is the same wherever you are.
- Where
- Fountainhall (TD1)
- Wider area
- Scottish Borders
- Cover
- One year on every job
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Your questions about external mastic in Fountainhall
Can you do external mastic in Fountainhall?
Yes. We work across all of Scotland, and Fountainhall is part of that. Just drop us a line at info@mrmastic.co.uk with a few details of the job.
Is Fountainhall within the area you cover?
Yes, smaller places are covered as well as towns. Our work covers the whole of Scotland. Just mention lanes, gates or anything else about the route when you book.
Is the work guaranteed?
Yes. All our work carries a one-year guarantee.
Are you insured?
Yes, we’re fully insured.
Can new sealant go over the old?
No. The old sealant always comes out first, so the new sealant bonds properly.
Are you an approved applicator?
Yes. We are approved under the ARBOMaster scheme, which is run for the Arbo sealant brand.
How long does external mastic take?
Most jobs take anything from a few hours to several days, depending on the building. Your quote will say how long we expect yours to take.
Will you leave a mess?
No. We work neatly, protect the area around the joints and tidy up afterwards.
Do you need external mastic in Fountainhall?
Joints sealed without backing rod, or far too deep, rarely last. Sealant bonded to three sides has nowhere to go and tears as soon as the joint widens.
The most common problems we see are:
- Failed sealant between panels on a façade
- Moss and dirt in joints with no sealant left
- Rigid filler in a joint that should flex
- Joints with sealant missing in places
In and around Fountainhall, as anywhere, good external mastic starts with a clean, dry, properly prepared joint.
Questions to ask before you book
- Whether the sealant suits the joint
- What insurance they hold
- Which colour the sealant will be
- How the surfaces are prepared before sealing
External mastic in Fountainhall: local notes
Harled (roughcast) walls are common in Scotland, and where harling meets frames, pipes and other materials, the joint needs a flexible sealant that grips a rough surface. 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.
If you let a flat or house near Stow station, split movement joints are easy to miss on a rental until damp shows inside.
Fountainhall is about 9 miles north-west of Galashiels, in the Scottish Borders. Whether you are in the middle of Fountainhall or further out, we cover external mastic for every kind of property, from flats and houses to offices and hotels. Fountainhall is one of 89 places in the Scottish Borders where we work for external mastic. For nearby work, see our Edinburgh page, about 19 miles away.
We cover every part of the TD1 postcode area for external mastic and the streets around it. Local streets include Old Stage Road, Fleming Place and Still Haugh, and we cover them all. We also cover the places around Fountainhall: Killochyett (3 miles south-east), Stow (3 miles south-east), Heriot (4 miles north-west), Oxton (5 miles north-east) and Lauder (6 miles east). Within a short drive, we also cover Galashiels (9 miles south-east), Peebles (12 miles south-west), Selkirk (13 miles south), Innerleithen (10 miles south-west), Melrose (12 miles south-east) and Earlston (11 miles south-east).
Landmarks near Fountainhall
The closest station to Fountainhall is Stow station, roughly 3.3 miles south-east of the centre.
What we do, step by step
There’s no need to move everything out before we come, just the space around the work. We protect the rest, and the work takes anything from a few hours to several days, depending on the building in most cases. Outdoor work around Fountainhall depends on the weather, as sealant needs a dry surface, so an outdoor job can move if the forecast changes. Work indoors is not affected.
- First we look over the joints with you, agree which to renew and talk through access.
- The old mastic and anything lodged in the joint is removed.
- The joint faces are cleaned and primed where the sealant needs it.
- Backing rod goes in next, setting the depth and keeping the sealant off the back of the joint.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
Before we arrive
- Clear items away from the joints we’re working on
- Let us know about earlier repairs to the joints
- Mention any leaks or damp you’ve noticed
Getting a quote
If you are in Fountainhall and need external mastic, send an email to info@mrmastic.co.uk. Tell us what the problem is and where, and you’ll get a clear quote before work begins.
Read more
When something else is needed
Honest advice matters more to us than a booking, so here’s what new sealant will not do:
- Damp from another source, such as a leaking gutter or a bridged damp-proof course
- Cutting new joints into brickwork, which is building work rather than sealant work
- Failed render or damaged cladding panels
Not sure which it is? You can email us at info@mrmastic.co.uk and we’ll tell you honestly.
Where we work in Fountainhall
- Copings & trims
- Joints between brick and frames
- Concrete & block
- Render & cladding joints
- Façade panels
- Brickwork movement joints
DIY sealant or a professional job?
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is.
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Quotes for external mastic in Fountainhall
Your quote is based on your job. We take into account:
- The number and length of the joints
- Which sealant suits the joint
- How easy the joints are to reach
- How many rooms, windows or areas are involved
The cost depends on the size of the job, how much old material has to come out and how easy the joints are to reach. You’ll have a clear quote before any work starts, so you know where you stand.
Asking for a quote
To help us quote quickly, please include:
- Whether it’s a home or a business
- Where the property is
- The rough size of the job
- Access, such as stairs, a lift or height
We quote each job on its own, so the first step is telling us about yours. Simply email us at info@mrmastic.co.uk and describe the job, and pictures are welcome.
Also near Fountainhall
Also in Fountainhall
Leave it or put it right?
Sealing over the top of old mastic does not hold for long. New sealant does not bond well to old, weathered sealant, so the old joint is cut out fully first. Exposed walls in smaller Scottish places take a lot of wind and rain, and damp in stone or harled walls takes a long time to dry once water gets behind a joint.
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. You’ll know the price before we begin.
Why choose Mr Mastic in Fountainhall
- Trusted Arbo and Everbuild sealants
- Homes, businesses and hotels
- Fully insured
- A sealant colour to suit the surroundings
Read our cost guide or our reviews.
Different surfaces, different methods
Joints between dissimilar materials
Each side of the joint may need its own preparation. Both surfaces are cleaned and primed as the product requires.
Brickwork movement joints
Brick walls have vertical movement joints to absorb expansion. We reseal them with a low-modulus sealant over backing rod coloured to suit the wall.