The Mastic Doctor team standing beside their branded vans outside an office building
Midlothian · Scotland

Expansion and movement joint sealing in Roslin, Midlothian

Expansion and movement joint sealing in walls, decks and floors throughout Roslin and nearby, by CSCS-carded applicators. CHAS accredited and fully insured.

  • Sealant peeling off one face of the joint
  • Weathered movement joint sealant that no longer flexes
  • Damp inside where a wall movement joint has failed
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
South East, London & Scotland
CHAS accredited
Fully insured: £5m PL

Expansion joint sealing for businesses in Roslin

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

On site: what to expect

We follow your site rules from the start: sign-in, induction and whatever permit system the building uses. Once we are cleared to begin, the joints are worked through in the order agreed with your site contact, and each area is checked before we leave it. For work around Roslin, we aim for one trip, so photographs, sizes and a full list matter. External joints need a dry spell as well.

  1. We look at the joints, their width and how they’ve failed.
  2. Next, we fix a price and confirm the sealant we propose for the movement.
  3. We strip out the old seal and prepare the faces, flagging any broken edges that need repair before sealing.
  4. Backing rod goes in at the right depth, or bond-breaker tape where the joint is shallow.
  5. After any primer the maker requires, the bead is applied and tooled so it grips two sides only.
  6. We check every joint before sign-off, and the work carries our 12-month guarantee.

What we need from you

  • Tell staff and tenants when we’ll be in
  • Share the asbestos register for older buildings
  • Move anything stored against the joints

Get a fixed quote

Specifications, drawings and tender packages are welcome with any enquiry, and we’ll price against exactly what is specified. Smaller jobs need nothing more than photographs and a few notes.

Get a quick quote

Read more

How we handle expansion joint sealing in Roslin

Brickwork and blockwork walls have vertical movement joints at intervals. Once the seal fails, rain reaches the cavity and the joint can no longer close. The old seal is cut away, backing rod goes in at depth, and a low-modulus masonry sealant is gunned and tooled, primed where the manufacturer specifies. We work on podiums and floor movement joints, precast concrete panel joints and cladding panel joints, and the usual reasons a site gets in touch are brittle, chalky sealant on external joints and sealant pulling off the joint face. Most enquiries from Roslin start with one failed joint and grow into a wider look at the building: we look at the rest while we are there and tell you what we find.

Weather windows decide external joint work around a place like Roslin: dry faces and the right temperature are essential, so dates have some give. Inside slabs aren’t affected and can be scheduled around the occupier.

Every job ends the same way: guaranteed. You get a 12-month guarantee on our workmanship, and we explain exactly what that covers when we quote.

Location
Roslin (EH25)
Region
Midlothian
Guarantee
12 months on every job
Price
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Common questions from Roslin clients

Does your area include sites such as Bilston Glen Industrial Estate, near Roslin?

Yes. We cover Roslin and the area around it, including industrial estates, business parks and retail parks such as Bilston Glen Industrial Estate. A few photographs and the unit address let us price the work.

Is Roslin too far out for you?

Not at all: smaller places are covered as well as towns. We work across every Scottish council area. We plan jobs in smaller places so return trips are kept to a minimum.

Is any job too small?

We quote for single jobs as well as large packages and programmes. Send details for a fixed quote.

How soon can the area be used again?

That comes down to the sealant and the temperature. Some take light use quickly, others need longer to cure, and we confirm it before leaving site.

Are you fully insured?

Yes. We’re fully insured, and the certificate can go with your quote.

How long will the new sealant last?

There’s no fixed lifespan: movement, exposure, cleaning, traffic and the product all play a part. Treat them as maintenance items and inspect them regularly.

Do you take on multi-site work?

Yes. Several buildings can share a single quote, with one point of contact.

How the job changes by surface

Joints between different materials

Hybrid or MS polymer sealants bond to many substrates. The choice depends on the substrates and how much the joint moves, and confirm it in the quote.

Concrete and precast panel joints

Joints between precast panels open and close with temperature and loading. We use a sealant classed for the movement, laid over backing to depth.

When something else is needed

Not every problem is a sealant problem, and we are upfront when that’s the case. These need a different solution:

  • A joint that has to be widened or re-detailed before it can work
  • Damaged metal nosings or cover plates over a joint
  • Crumbling edges that would give a new bead nothing sound to grip

If in doubt, speak to us on 01277 525 020 or send photos by email and we’ll say what we think before you book.

Joints and surfaces we work on

  • Blockwork control joints
  • Brickwork movement joints
  • Cladding panel joints
  • Car park decks and ramps
  • Precast concrete panel joints
  • Podiums and floor movement joints

When to bring in a specialist

Site maintenance staff can often handle a short internal joint. Where it goes wrong is preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.

Certain joints really need a specialist: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. A poor seal in places like these tends to cost more to put right later.

Signs you need expansion joint sealing in Roslin

Repeated failure often traces back to the wrong product. Products not classed for the movement fail early. BS EN ISO 11600 classifies building sealants by movement capability.

Site and facilities staff are often the first to spot these:

  • Joints packed with grit and debris
  • Hardened, cracked sealant on exposed facades
  • Car park joints leaking onto vehicles below
  • Movement joints with split or torn sealant

Across sites such as IMEX Business Centre, which lies north of Roslin, floor and movement joints can be sealed in phases so units keep working.

What your quote should include

  • What level of public liability insurance do they hold?
  • Do they follow the manufacturer’s priming guidance?
  • What site paperwork they can supply
  • How joint depth will be controlled

Choosing a commercial sealant contractor

Where floor joints take the most wear near Roslin

Roslin is on Scotland’s drier eastern side. Cold winters and gritting are hard on any yard or deck joint left open. Sealing them in drier months limits winter damage. At least three named trading, business or retail sites lie within about 3 miles of Roslin. Floors, loading bays and yards on sites like these are where floor and movement joints work hardest.

For estates staff at a university like University of Edinburgh - Easter Bush Campus, 1.3 miles west of Roslin, building and paving joints are part of the planned maintenance list. Hospital campuses such as Princess Margaret Rose Orthopaedic Hospital, 3 miles north of Roslin, grow in stages, leaving movement joints wherever new blocks meet old.

Roslin is about 3 miles north-east of Penicuik, in Midlothian. Commercial clients in Roslin can call on us for movement joints, as part of our coverage of Midlothian. We work across 34 places in Midlothian, large and small. Edinburgh is covered too, around 6 miles from Roslin.

Anyone looking for expansion joint sealing in EH25 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. Buildings on Main Street, Station Road and Widnell Square are within our area. Roslin sits on or close to the B7003. If your building is just outside Roslin, we cover Bilston (1 mile north-west), Rosewell (1 mile east), Auchendinny (1 mile south-west), Loanhead (1 mile north) and Polton (2 miles east). Bigger towns within reach include Bonnyrigg (3 miles east), Dalkeith (5 miles north-east), Penicuik (3 miles south-west), Gorebridge (5 miles east), Newtongrange (4 miles east) and Mayfield (5 miles east).

What’s near Roslin

Roslin’s nearest station is Eskbank station, about 3.7 miles north-east of the centre. A little further out are Princess Margaret Rose Orthopaedic Hospital (3 miles north) and Glencorse Museum (1.6 miles south-west). Green spaces nearby include Edgelaw Reservoir and The New Leaf Co-op.

Map of Roslin © OpenStreetMap contributors

Commercial clients in Roslin

FMs need a contractor who is easy to get on site. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.

Whether you’re 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.

Accreditations

Trusted. Accredited. Insured.