Glasgow · Scotland
Maryhill External Mastic
Professional external mastic in and around Maryhill, with old sealant always removed completely and a one-year guarantee.
- Panel joints letting water in
- Rigid filler in a joint that should flex
- Sealant pulling away from one side of the joint
Different surfaces, different methods
Concrete and blockwork
Concrete faces can be dusty and porous, so preparation is key. We prime where the sealant needs it.
Joints between dissimilar materials
Brick against render, concrete against metal, stone against timber: every change of material is a joint. A flexible sealant bridges the two so the movement is taken up.
External mastic in Maryhill, done properly
Movement joints let brickwork, render and cladding expand and shrink without cracking. Its sealant has to flex with the building, season after season, and when it fails, the wall takes the strain and water finds a way in. If you’re dealing with panel joints letting water in and sealant that has lost its bond to the brick or render, we can put it right, whatever the surface.
Gutters and downpipes on tall city tenements are a long way up, and a slow drip can stain and soak the stone for a long time before it’s spotted. In Maryhill, access needs planning, and work on shared parts may need the other owners’ agreement.
Whatever the size of the job, you get the same 12-month guarantee.
- Where
- Maryhill (G20, G12, G23)
- Wider area
- Glasgow
- Guarantee
- 12 months on all our work
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Updated
- 26 October 2026
What sealant work can’t fix
We’d rather tell you now than do work that will not last, so these are the limits:
- Structural movement, which needs a surveyor or engineer
- Failed render or damaged cladding panels
- Cracked brickwork or render that needs a builder or plasterer
If you are not sure, just send an email to info@mrmastic.co.uk and we’ll give you a straight answer.
Surfaces we seal
- Façade panels
- Concrete & block
- Brickwork movement joints
- Render & cladding joints
- Copings & trims
- Joints between brick and frames
Why act early in Maryhill
A properly done movement joint is an even line in a colour that suits the wall. A hurried job with smeared edges and no backing looks worse and fails sooner. Scottish rain finds any gap around a frame or wall joint, and in a tall building in Maryhill, damp can travel a long way before it shows.
Rather than a set price list, we price the job in front of us: the amount of work, the old material and the access. The price is agreed before we begin.
Why Maryhill clients choose us
- Quality sealants from Arbo and Everbuild
- 12-month guarantee on every job
- Over 20 years’ experience
- Anti-fungal sanitary silicone in wet areas
Landlords, agents and businesses in Maryhill
We also work for property managers and facilities teams. Several sites can go on one quote.
We work for landlords and letting agents as well as householders. Sealant work between tenants is a simple way to keep a property in good order.
Walls and rooflines in Maryhill
The west of Scotland is wetter than the east, so there’s plenty of rain for movement joints and outside wall joints to keep out. Harled (roughcast) walls are common in Scotland, and joints where harling meets other materials need a sealant that can grip and flex.
Tenement House, about 2.1 miles south-east, is one of the historic houses in the wider area around Maryhill. Letting a property close to Summerston station? Then outside joints that have cracked can let damp into a rental, so check them between lets. For site and facilities teams at buildings such as Cleveden Secondary School, larger buildings have long runs of movement joint that eventually need resealing.
Maryhill is about 2 miles south-east of Bearsden, in Glasgow. Wherever you are in the G20 postcode area, our applicators can take on external mastic. Across Glasgow, we cover 183 places, and Maryhill is one of them.
Postcode districts we cover here for external mastic: G20, G12 and G23. That includes homes and businesses on Cowal Road, Cadder Road and Station Road. Being close to the A81, Maryhill is simple for us to get to. Close by, we work in Botany (1 mile south), Wyndford (1 mile south), Gilshochill (1 mile east), High Ruchill (1 mile south-east) and Cadder (1 mile east). We also work in nearby towns such as Glasgow (3 miles south), Calton (4 miles south-east), Langside (5 miles south), Yoker (3 miles west), Mount Florida (5 miles south) and Hillpark (6 miles south).
What’s near Maryhill
Typical jobs here are in homes near Dawsholm Park, The Crosslands pub and Glasgow University Library, among other places. There’s a railway station in Maryhill itself: Summerston station. A little further out are Glasgow Museum of Transport (1.8 miles south) and Chinatown (2.1 miles south-east). Open spaces near Maryhill include Castle Hill and Kilmardinny.
Maryhill: your questions answered
Do you work for landlords with property near Summerston 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’ll give you a fixed price before any work starts.
Is Maryhill in your area for external mastic?
Yes. We work across all of Scotland, and Maryhill is part of that. Just send an email to info@mrmastic.co.uk with a few details of the job.
Do you have insurance?
Yes. We are fully insured, and we can confirm the details when we quote.
Does someone need to be in?
It depends on the job. For work indoors, someone needs to let us in.
Do you work for hotels and businesses?
Yes. We work in offices, washrooms, hotels and other commercial premises. Working times can be discussed when we quote.
Do you remove the old sealant?
Yes, every time. New sealant will not bond properly to old, so the joint is cleaned back first.
Do you work at height?
It depends on the building. Where joints can be reached safely, we will do them. Give us some details and we will confirm the access.
Will you leave a mess?
Very little: the area around the joints is protected first, and we tidy up before we go.
Nearby places to Maryhill
Other services in Maryhill
Should I try it myself first?
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly.
How the visit works
We work through the job in order: protect, prepare, seal, tidy. Typically it takes a few hours to a few days, depending on the length of joint and the access and we leave things clean and tidy. Inside a flat in Maryhill, 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 look at every joint and agree a colour to suit the wall.
- Failed sealant is removed back to clean, sound faces.
- Backing rod goes in so the sealant can stretch between the two faces.
- Primer is applied wherever the sealant needs it.
- A low-modulus exterior sealant is gunned in and tooled to a neat finish.
Getting ready for the visit
- Tell us about access, such as stairs, a lift or high-level joints
- Where the joints are inside, avoid wetting them before we arrive
- Let us know about earlier repairs to the joints
Ask for a quote
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and add pictures by email if you can.
Related advice
Quotes for external mastic in Maryhill
The quote reflects the job in front of us. We take into account:
- The number of rooms or windows
- How easy the joints are to reach
- The type of sealant required
- Mould in or behind the old joints
The cost depends on the amount of work, how much old material has to come out and how easy the joints are to reach. We give a clear quote before work begins, so you know where you stand.
What to tell us for a quote
There’s no need for technical detail. Just tell us:
- Where the property is
- If someone has resealed it before
- Pictures of the joints, sent by email
- What’s wrong with the joints now
Every job is quoted individually, so start by telling us what you need. Simply send an email to info@mrmastic.co.uk and describe the job and send pictures if you have them.