
Expansion Joint Sealing in Blackhall
Our CSCS-carded applicators take on expansion and movement joint sealing in walls, decks and floors in Blackhall and the surrounding area. Send photographs or drawings for a fixed quote.
- Movement joints with split or torn sealant
- Previous reseals laid over old sealant
- Spalled or broken joint edges in floors and decks
Expansion joint sealing for Blackhall sites
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Expansion joint sealing for commercial buildings in Blackhall
The seal is what lets a movement joint do its job. Once it fails, water, grit and debris get in; the joint jams, its edges take the load and the arrises spall. Dealt with early, it stays a sealant job rather than a concrete or masonry repair. Most enquiries involve movement joints with split or torn sealant and weathered movement joint sealant that no longer flexes, across podiums and floor movement joints, blockwork control joints and car park decks and ramps. A specialist sealant contractor works differently from a general builder: in Blackhall, that means joint design, primers and backing rod as standard.
In Scotland’s cities, buildings from car parks and malls to university and hospital estates rely on movement joints. When the sealant goes, water and grit get in, and a Scottish winter makes it worse.
Guaranteed is the last step of every job. You get a 12-month guarantee on our workmanship, and we explain exactly what that covers when we quote.
- Location
- Blackhall (EH4, EH12)
- Region
- Edinburgh
- Cover
- 12 months on every job
- Quotes
- Fixed quote, scope in writing
- Telephone
- 01277 525 020
- Last updated
- 3 November 2026

Cost factors for movement joints
Quotes vary with the job. It mainly depends on:
- The size and state of each joint
- Access and working height
- Whether old sealant has to be cut out first
- Working within restricted access windows
Access can matter as much as the joints themselves: easy-to-reach joints are quicker than those that need equipment to get to. Tell us how the joints are reached and call for a quote.
What we need to price the job
A good diagnosis starts with the right details. Let us know:
- Asbestos survey details if the building is older
- Specification clauses that apply
- When you need the work done
- Whether the building will be occupied during the work
The quickest route to a quote is a few photographs and the site postcode. Send them through the quote form, or phone 01277 525 020 or email us if you’d rather talk the job through.
Expansion joint sealing in Blackhall: the local picture
The sea is no more than about 2 miles from Blackhall. Open joints in coastal car parks and yards let in salt-laden water as well as grit, so a failed joint lets more in and the edges break up sooner. Blackhall is in the east of Scotland, which is drier than the west. Cold winters and gritting are hard on any yard or deck joint left open. Autumn is a sensible time to seal them.
At places like Drylaw Shopping Centre, 0.7 miles to the north-east of Blackhall, joints are sealed a section at a time so operations carry on. For a school such as The Mary Erskine School, playground and building joints can be done in the holidays.
Blackhall is about 2 miles north-west of Edinburgh, in Edinburgh. Blackhall sits inside our coverage and the rest of Edinburgh, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. We work across 174 places in Edinburgh.
We take on movement joints across the EH4 and EH12 postcode area, whatever the building. Streets here include Loch Road, March Road and Columba Road. Being close to the A90 and A902, Blackhall is straightforward for us to reach. Sites close to Blackhall are covered too, including Drylaw (1 mile north-east), Ravelston (1 mile south-east), Craigcrook (1 mile west), Murrayfield (1 mile south) and Muirhouse (1 mile north). Further afield, our area takes in Leith (4 miles north-east), Bonnington (3 miles east), Greenside (3 miles east), Broughton (3 miles east), Buccleuch (3 miles east) and Gayfield (3 miles east).
What’s near Blackhall
We work on buildings around Saughton Park, St George's School and Gabrielle Keiller Library and the streets around them. The nearest railway station is Haymarket station, roughly 1.6 miles south-east. Other landmarks nearby include Craigcrook Castle (0.6 miles south-west) and Murrayfield Experience (1.3 miles south). Not far away are Dunsapie Loch and Corstorphine Hill.
Nearby places to Blackhall
Other services in Blackhall
Questions we’re asked in Blackhall
Our building in Blackhall is near the coast: does that change the sealant?
It can. Wind-driven rain and, closer to the shore, salt air are harder on external joints. That puts more weight on product choice, primers where the manufacturer specifies them, and correct joint sizing.
Can you take on a job at a hospital such as Western General Hospital (Edinburgh)?
Yes, healthcare and care buildings are part of our work. We follow the site’s permits, sign-in and infection-control procedures in every area.
Why has the sealant in our expansion joints split?
Most often the movement is too much for the product or the joint width. That’s why we check width, depth and movement class before quoting, rather than replacing like for like.
What exactly is a movement joint?
It’s a deliberate gap that lets the structure move without cracking. Expansion joint is a name often used for the same thing, and either way it needs a sound seal.
What timescale should we allow for resealing expansion joints?
It typically takes a day or so for a modest run of joints, and longer where decks, ramps or floors are done in phases. We’ll confirm when each area can be used again.
Do your applicators hold CSCS cards?
Yes. We use CSCS-carded applicators, which many sites require.
Are you CHAS accredited and on Constructionline?
Yes. Mastic Doctor is CHAS accredited and a Constructionline member.
Owners, agents and contractors
Hospitality, education, healthcare, office and retail clients come to us directly as well. The work is planned around how the building runs, so guests, pupils, patients or staff are disturbed as little as possible.
Whether you are a managing agent, a property factor or an owner’s representative: send the details, accept a fixed quote, and we carry out and guarantee the work. Keys, access and contacts can be agreed in advance.
Leave it or put it right?
On a car park, resealing joints in phases keeps the deck open. Work can be planned so parts of the deck stay open. We agree phasing with you before work starts. In Blackhall, as across Scotland, rain finds any gap, and failed external joints let it into stone walls and around frames. Resealing promptly protects the stone and the interior.
Every site prices differently: the joint sizes, the specified product, access and working hours each have a bearing. A fixed quote follows once we understand the job.
Why appoint us
- Public liability insurance in place
- Matching to RAL references, product permitting
- Commercial sealant work since 2005
- Colours confirmed for the specified product
Take a look at what affects the cost and our accreditations and insurance.
How the job changes by surface
Car park decks and ramps
Water coming through deck joints is the usual first sign. We strip the old seal, prepare the edges and seal again.
Concrete and precast panel joints
Precast panels often have surface residues that sealant won’t bond to. Proper cleaning and primer where specified give a sound bond and check the edges for soundness as we go.
On site: what to expect
When we get to site, we sign in, go through any site induction and check how permits are handled. Floors, finishes and fittings next to the joints are covered before anything is cut or cleaned, and the work usually takes a short visit for a handful of joints, or several days or more for a car park deck or long runs of facade joints. For premises in Blackhall, tell us about access times, shared entrances and any building rules, so the work can be phased and areas kept in use.
- The first job is to check each joint: how wide it is, how it moves and why the old seal let go.
- You get a fixed quote with the product and its movement capability stated.
- We strip out the old seal and prepare the faces, and we tell you if any edges need repairing first.
- Backing rod goes in at the right depth, or bond-breaker tape where the joint is shallow.
- Where the maker calls for primer, it’s applied first, then the bead goes in and is tooled to a concave finish.
- Finished joints are checked and backed by our 12-month guarantee.
Before we start on site
- Make sure the joints can be reached
- Send any specification or drawings in advance
- Let us know about inductions and permits
Ask for a quote
Specifications, drawings and tender packages are welcome with any enquiry, and we will price the work to it. For smaller jobs, photographs and a description will do.
Related advice
What we’re called out for in Blackhall
Some joints were never sealed with the right product. A stiff or general-purpose sealant across a joint with large movement won’t cope. Movement capability is set out in BS EN ISO 11600.
It’s worth sending us details if you spot any of the following:
- Brittle, chalky sealant on external joints
- New sealant over old, now failing
- Movement joints with split or torn sealant
- Sealant peeling off one face of the joint
For a store at a site such as Craigleith Retail Park, less than half a mile to the east of Blackhall, the service yard and goods-in area are where joints break down first.
What your quote should include
- What site paperwork they can supply
- How joint depth will be controlled
- What the guarantee covers, and for how long
- Their public liability cover