West Lothian · Scotland
External Mastic in Polbeth
External mastic across Polbeth and nearby, with every bit of old sealant taken out first and a 12-month guarantee.
- Leaking joints around cladding and façade panels
- Cracked joints where brick meets render or frames
- Old sealant gone brittle and cracked
Polbeth questions
I let a flat near West Calder station. Can you help?
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 we start.
Will you come out to Polbeth?
Yes, smaller places are covered as well as towns. We work across all of Scotland. Let us know about access, parking and anything unusual about getting there when you book.
Can you work on commercial sites?
Yes. Commercial and hotel work is a large part of what we do, as well as homes. Working times can be discussed when we quote.
Why is there a gap in my brick wall?
Walls move with heat, cold and moisture, so long walls have planned gaps to take that movement. The gap is sealed with a flexible sealant over backing rod.
Is there any odour?
Possibly a little. Any smell clears as the sealant cures, and ventilation helps.
How long should I leave it?
It depends on the product. Before we leave, we’ll tell you the cure time.
Will the old sealant be removed?
Yes, always, and completely. New sealant won’t bond properly to old, so any old material comes out before anything new goes in.
Will you leave a mess?
Very little: the area around the joints is protected first, and we clear up the old sealant and our materials before we leave.
External mastic in Polbeth
A movement joint is a deliberate break that lets a wall expand and contract. The sealant in it has to stretch and squeeze for years, and when it fails, the wall takes the strain and water finds a way in. If you’re dealing with brick movement joints where the sealant has split and sealant that has lost its bond to the brick or render, we can help, whatever the surface.
Outside joints can only be sealed when they’re dry, so work in Polbeth depends on the weather, and longer journeys are planned in advance. Tell us how to reach each wall, gutter and roofline.
All our work comes with a 12-month guarantee, wherever you are in West Lothian.
- Location
- Polbeth (EH55)
- Wider area
- West Lothian
- Cover
- 12 months on all our work
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Last updated
- 26 October 2026

Why act early in Polbeth
Done well, a resealed joint is a neat, straight line that suits the wall. A rushed bead with no backing looks untidy and does not last. When the nearest tradesperson is a drive away, it’s tempting to leave a small leak, but water through a failed joint keeps working away until it’s fixed.
The cost reflects the work involved, not a rough estimate. That is why we ask a few questions first and agree the price before starting.
What you get with us
- Anti-fungal silicone where joints get wet
- A 12-month guarantee on all work
- Domestic, commercial and hotel work
- Neat joints and a tidy finish
Read what affects the cost and our reviews.
The process
Every visit runs the same way: we look at the joints together, protect the area around them, carry out the job and clear up. It normally takes a few hours for a handful of joints, longer for a whole elevation. For a place like Polbeth, longer drives are planned in advance. Mention tracks, gates, ferries or anything else about the route.
- First, the joints are inspected and the access agreed.
- We cut out the old mastic and rake out anything in the joint.
- Joint faces are cleaned back and primed if the sealant needs it.
- We fit closed-cell backing rod to control the depth.
- We apply the sealant, tool it and check the whole run.
How to prepare
- Mention if the joints have been sealed before
- On commercial sites, let us know about site rules
- Mention any tricky access
How to get a quote
For a quote, send an email to info@mrmastic.co.uk and tell us where the job is and what the problem looks like. We’ll send you a clear quote before any work starts.
Advice
Walls and rooflines in Polbeth
With historic houses such as Howden House (about 2.6 miles north-east) nearby, there’s older building stock in the area around Polbeth as well as newer homes. In older buildings, older walls and rooflines need a sealant that moves with them and suits the material. Plenty of Scottish homes have harled walls, and joints where harling meets other materials need a sealant that can grip and flex.
Howden House, about 2.6 miles north-east, is one of the historic houses in the wider area around Polbeth. Rented homes near West Calder station change hands often, and split movement joints are easy to miss on a rental until damp shows inside.
Polbeth is about 3 miles south-west of Livingston, in West Lothian. We provide external mastic to homes and businesses in Polbeth and the surrounding area, as part of our work across West Lothian. 58 places in West Lothian are on our list. We also work in Edinburgh, about 15 miles from Polbeth.
Work in EH55 works the same way as everywhere else we cover. If you need external mastic at a property on Polbeth Avenue, Polbeth Place and Limefield Road or a nearby road, we can help. Nearby, we also carry out external mastic in Mossend (1 mile west), West Calder (1 mile south-west), Bellsquarry (1 mile north-east), Adambrae (1 mile north-east) and Dedridge (2 miles north-east). Further out, we also cover Livingston (3 miles north-east), Bathgate (4 miles north-west), Linlithgow (8 miles north), Whitburn (5 miles west), East Calder (5 miles north-east) and Broxburn (6 miles north-east).
Near you in Polbeth
For rail, the closest station is West Calder station, roughly 0.8 miles south-west. Other landmarks nearby include Livingston Designer Outlet (2 miles north-east) and Almond Valley Heritage Centre (1.7 miles north). Open spaces near Polbeth include Dechmont Law.
Keeping the joints in good condition
Looking after new joints is easy, and it makes a real difference:
- Act on the first splits you see
- Leave the joints unpainted unless we’ve said otherwise
- Look over the joints every year, ideally after winter
- Tell anyone working on the walls about the movement joints
Keep the joints clear of soil, plants and climbing growth. Anything that holds water against the joint wears it out sooner.
Act while the splits are small. Then it’s a straightforward cut-out and reseal.
Also near Polbeth
More services for Polbeth
How the job changes by surface
Brickwork movement joints
Brick movement joints are often mistaken for a missing mortar line. If that’s happened, we rake it out and reseal it properly.
Cladding and façade panels
Cladding and façade panels are generally separated by sealed joints. We reseal them with a sealant suited to the panel material.
What affects the quote in Polbeth
For a quick quote, just ask. The main things that affect it are:
- The type of sealant required
- How many areas need sealing
- Working hours on commercial sites
- Whether there’s mould to deal with
We don’t show prices on the website, because each job is priced on what it involves. Call for a quick quote and we’ll talk you through it.
Asking for a quote
To help us quote quickly, please include:
- What the problem is, such as mould, gaps, leaks or cracking
- Roughly how big the job is
- Whether it has been sealed before
- The address or postcode of the job
There’s no standard price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To arrange one, drop us a line at info@mrmastic.co.uk.
For landlords and businesses
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements.
Mouldy or split sealant often shows up at the end of a tenancy, and it’s quick to put right between tenancies. We can quote for more than one property at once.
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.
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.
