Falkirk · Scotland
External Mastic in Stenhousemuir
Problem with your movement joints in Stenhousemuir? We cut out the old, prepare the joints and apply the right sealant, with a one-year guarantee.
- Hard, crazed mastic that has stopped moving
- Sealant that has lost its bond to the brick or render
- Water getting into walls through failed joints
Landlords, agents and businesses in Stenhousemuir
Letting agents and landlords in Stenhousemuir can book us as well as homeowners. Resealing between tenancies is a simple way to keep a property in good order.
Housing providers, facilities teams and property managers book us too in Stenhousemuir and across Falkirk. Several sites can go on one quote, and we are fully insured for the work.
External mastic for homes and businesses in Stenhousemuir
Failed sealant is cut out, the depth set with closed-cell backing rod, and the joint resealed with a low-modulus sealant made for outside. The colour is chosen to suit the brick or render so the line blends in. Typical jobs include joints with sealant missing in places and leaking joints around cladding and façade panels, across façade panels, copings & trims and joints between brick and frames.
Across smaller places in Scotland, stone and harled cottages, farm buildings and newer houses often stand exposed to wind and rain. Outside joints on exposed walls work hard.
Whatever the size of the job, it’s backed by our 12-month guarantee in Stenhousemuir and across Falkirk.

- Location
- Stenhousemuir (FK5, FK2)
- Wider area
- Falkirk
- Guarantee
- One year on every job
- Quotes
- Quoted before any work starts
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
What sealant work cannot fix
A few problems are outside what sealant work can do:
- Cracked brickwork or render that needs a builder or plasterer
- Walls that need new movement joints cut into them
- Subsidence or other structural problems
Not sure which it is? You can email us at info@mrmastic.co.uk and we’ll tell you honestly.
What we seal
- Façade panels
- Copings & trims
- Brickwork movement joints
- Render & cladding joints
- Concrete & block
- Joints between brick and frames
Keeping the joints in good condition
Once the sealant has cured, a few habits help it last:
- Keep soil, plants and ivy away from the joints
- Leave the joints unpainted unless we have said otherwise
- Keep water from gutters off the wall
- Show decorators and builders where the movement joints are
Have a quick look at the joints each spring. Watch for splits, edges coming away or growth in the joint.
Small splits are the time to act. Then it’s a straightforward cut-out and reseal.
What happens if it’s left?
Low-modulus sealants stretch easily, so they put less strain on the joint edges. That matters on brick, render and concrete, which can be weaker at the face. A stiffer product can damage the joint edge as it fails. Exposed walls in smaller Scottish places take a lot of wind and rain, and once water gets behind a failed joint, damp in stone or harled walls is slow to dry out.
Every job is a little different, so we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all play a part, and we’ll explain the quote if you ask.
What you get with us
- ARBOMaster approved applicator
- Every job guaranteed for a year
- 180+ five-star Google reviews
- Fully insured
Take a look at how sealant jobs are priced and our reviews.
What affects the cost of external mastic
For a quick quote, just ask. What matters most is:
- Working hours on commercial sites
- Whether old sealant or filler has to be cut out
- How easy the joints are to reach
- The type of sealant required
A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you’re unsure, email us at info@mrmastic.co.uk for an honest opinion and a quote.
Asking for a quote
Before you ask for a quote, have a think about:
- Where the property is
- How we’d reach the joints
- Roughly how big the job is
- Pictures of the joints, sent by email
It all starts with a short chat. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. Whenever you are ready, email us at info@mrmastic.co.uk.
Common questions in Stenhousemuir
Do you work for landlords with property near Larbert station?
Yes. We work for letting agents and landlords as well as householders. You can email us at info@mrmastic.co.uk with the details for a clear quote.
Do you cover smaller places like Stenhousemuir?
Yes, we do. We work across all of Scotland, from towns to the smallest places. Longer journeys are simply planned in advance.
Do you have insurance?
Yes. We’re fully insured, with over 20 years’ experience in sealant work.
Should I point up the gap in my brickwork?
No. A mortar-filled joint can’t move, so the movement cracks the wall elsewhere. It needs a flexible sealant over backing rod.
Can you seal joints between render and window frames?
Yes. Where different materials meet is one of the most common joints we seal. The sealant is chosen to bond to both sides, primed where needed.
How often do external joints need resealing?
That depends on the wall, the weather and the movement. Look for splits, hardening or edges coming away, and reseal at that point.
Are you an approved applicator?
Yes. We are ARBOMaster approved, the scheme for applicators of Arbo sealants.
What information do you need?
A short description and the location, plus photos if you have them. We’ll ask anything else we need to know.
Other services in Stenhousemuir
What we do, step by step
A visit follows a simple pattern: we check the joints, protect the area around them, carry out the job and tidy away. It normally takes a few hours for a handful of joints, longer for a whole elevation. In smaller Scottish places, parking is generally less of an issue than access and distance. Tell us how to find the property and how to reach the work.
- We look at every joint and agree a colour to suit the wall.
- Failed sealant is removed back to clean, sound faces.
- 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.
Preparing for the visit
- For business premises, tell us about site rules or sign-in
- Keep children and pets away from the work area
- Mention any leaks or damp you’ve noticed
How to get a quote
We quote each job on its own, so start by telling us what you need. Just drop us a line at info@mrmastic.co.uk with the details.
Related advice
Stenhousemuir buildings and the weather
Stenhousemuir is within about 3 miles of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on movement joints and outside wall joints, which can dry out and crack sooner where a building faces the weather. Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and failed outside joints work against that.
If you look after a building such as Kinnaird Primary School, its movement joints, gutters and trims need looking after like any other building’s.
Stenhousemuir is about 2 miles north of Falkirk, in Falkirk. We provide external mastic to homes and businesses in Stenhousemuir and nearby. 50 places in Falkirk are on our list, from the larger towns to small villages. You can also see our page for Glasgow, roughly 22 miles from Stenhousemuir.
All of FK5 and FK2 is covered for external mastic. We cover properties on Main Street, King Street and Gerald Terrace. With the A88 close by, Stenhousemuir is easy for our applicators to reach. Other places close to Stenhousemuir include Larbert (1 mile west), Camelon (2 miles south), Torwood (2 miles north-west), Plean (3 miles north-west) and Bonnybridge (4 miles south-west). Within a short drive, we also cover Grangemouth (4 miles east), Bo'ness (8 miles east), Denny (4 miles west), Polmont (5 miles south-east), Brightons (5 miles south-east) and Kinneil (7 miles east). Stenhousemuir is one of the larger places we cover in Falkirk.
Near you in Stenhousemuir
Typical jobs here are in homes near Falkirk High School. The nearest railway station is Larbert station, roughly 1 mile south-west. Nearby you will also find Torwood Castle (2.5 miles west) and Stirling District Lunatic Asylum (0.6 miles north-west). Green spaces nearby include Callendar Lake.
Common problems we fix in Stenhousemuir
A lot of failed joints come down to preparation: dusty or wet faces, no primer where one was needed, or old sealant left in. The new sealant then lets go long before it should.
It’s worth asking for a quote if you see:
- Cracked joints where brick meets render or frames
- Rigid filler in a joint that should flex
- Movement joints with cracked, split or missing sealant
- Rain getting behind render or cladding at a joint
Letting a property close to Larbert station? Then failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Comparing quotes
- Whether they’re fully insured
- What guarantee comes with the work
- Is the old sealant removed completely?
- Which sealant they’ll use, and why
