Edinburgh · Scotland

Window Mastic in Canonmills

Window mastic for Canonmills, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.

  • Draughty joints inside around the window
  • Rushed sealant from a window installation
  • Leaking joints at the ends of sills

Trusted window mastic in Canonmills

Leave it or put it right?

Getting a straight, even bead on an outside frame takes practice, especially upstairs. A professional job is cut out properly, backed where needed and finished neatly, in a sealant suited to the wall. Scottish rain finds any gap around a frame or wall joint, and in Canonmills, damp can spread through stone and plaster before anyone sees it.

Combining jobs into one visit is usually more efficient than separate visits, so tell us about everything that needs sealing. You will get one clear quote for the whole job.

Why choose Mr Mastic in Canonmills

  • Fully insured
  • One-year guarantee on every job
  • Anti-fungal sanitary silicone in wet areas
  • Trusted Arbo and Everbuild sealants

Read how sealant jobs are priced or our reviews.

How we handle window mastic in Canonmills

Mr Mastic’s applicators have more than 20 years’ experience with window and door sealants. We’re ARBOMaster approved and fully insured, and we give a 12-month guarantee on the work. We are often asked to deal with cracked internal joints between frame and plaster and damp patches on the reveal after heavy rain, on uPVC windows, aluminium frames and window sills.

Canonmills is in one of Scotland’s four big cities, where many older buildings are sandstone or granite. Stone needs a sealant that suits it, which normally means a neutral-cure product or a traditional sand mastic rather than an acetoxy silicone.

A one-year guarantee comes as standard.

Where
Canonmills (EH3, EH7, EH2)
Region
Edinburgh
Cover
One year on every job
Price
Quoted before any work starts
Email
info@mrmastic.co.uk
Page updated
26 October 2026
Applicator reaching up to seal an external door frame on a sunny day

How it works

Good joint work is mostly preparation, and we do not rush it. Joints are cleaned back and dried before anything new goes in. All told, the work takes a morning for a couple of windows and a door. Parking in city streets around Canonmills can be tight or controlled, so it helps to know about permits or nearby bays. If you are in a flat, let us know how we get in at the street door.

  1. First, we go round the frames with you and agree the list.
  2. We remove the old mastic and clean the frame edge and wall.
  3. Where the gap is deep, backing rod goes in first.
  4. The new sealant goes on in white, brown, anthracite grey, black or clear to suit.
  5. We tool each bead neatly and check every joint is closed.

Preparing for the visit

  • Tell us about access, such as stairs, a lift or high-level joints
  • On commercial sites, let us know about site rules
  • Keep children and pets away from the work area

Get a quote

For window mastic in Canonmills, drop us a line at info@mrmastic.co.uk. Tell us what the problem is and where, and you’ll get a clear quote before any work starts.

Get a price

Read more

What we cannot put right

In fairness, there are a few things sealant will not fix:

  • Damp coming through the wall itself rather than the frame joint
  • Draughts through the window seals rather than the frame
  • A sash or casement that won’t close properly

If you’re not sure, just email us at info@mrmastic.co.uk and we will give you a straight answer.

Joints and surfaces we work on

  • Composite doors
  • Patio & French doors
  • Aluminium frames
  • Timber windows & doors
  • Window sills
  • uPVC windows

For landlords and businesses

We also work for property managers and facilities teams. We can quote a run of properties together, and we’re fully insured.

If you manage several properties in or around Canonmills, jobs at different addresses can be quoted together. Send us the addresses and the work at each.

What affects the quote in Canonmills

Some jobs are bigger than they look, and some smaller. What affects the quote:

  • How many areas need sealing
  • Working hours on commercial sites
  • The size of the job
  • Whether the work is at height

Homes and businesses are quoted the same way: the amount of work, how we reach it and what it needs, plus any working-time requirements on site. Ask us for a quote and we’ll explain what it covers.

What to tell us for a quote

To help us quote quickly, let us know:

  • The problem you’ve noticed
  • How many joints, rooms or windows are involved
  • Access, such as stairs, a lift or height
  • Where the property is

Call for a quick quote, or email us if that is easier. Describe what needs sealing and we’ll talk you through the work and send you a clear quote.

Should I try it myself first?

If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly, so just mention it when you contact us.

Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.

Surface by surface

Timber windows & doors

Timber moves with moisture as well as heat, so a flexible sealant is essential. The paint or stain needs to be sound where the sealant meets it.

Aluminium frames

Large aluminium doors have long joints down each side and across the head, and the threshold joint takes a lot of water. Each is cleaned, backed where deep and resealed.

Canonmills homes and the weather

Canonmills is within about 1 mile of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on the mastic around window and door frames, which can dry out and crack sooner where a building faces the weather. The Old and New Towns of Edinburgh are a UNESCO World Heritage Site, and the Georgian New Town is known for its sash windows. For listed homes and conservation areas, check with the council before changing how windows or walls look.

Historic houses such as Whitefoord House, about 1.1 miles south-east, show how far back building around Canonmills goes. For site and facilities teams at buildings such as Drummond Community High School, larger buildings have plenty of frames, and the mastic around each one ages. For landlords with property near Edinburgh Waverley station, sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.

Canonmills is about 1 mile north of Edinburgh, in Edinburgh. If you need window mastic in Canonmills, please send an email to info@mrmastic.co.uk for a quick quote. We cover Edinburgh from our Crawley base. Across Edinburgh, we cover 175 places, and Canonmills is one of them.

Postcode districts we cover here for window mastic: EH3, EH7 and EH2. If you need window mastic at a property on York Lane, Canon Lane and Circus Lane or a nearby road, our applicators can take on the job. We also cover the places around Canonmills: Bellevue (1 mile south-east), Powderhall (1 mile north-east), New Town (1 mile south), Broughton (1 mile south-east) and Gayfield (1 mile south-east). We also work in nearby towns such as Queensferry (8 miles west), South Portobello (3 miles east), Southhouse (5 miles south), Gilmerton (5 miles south-east), Slateford (3 miles south-west) and Gracemount (4 miles south).

Landmarks near Canonmills

Locally, jobs take us to homes and businesses close to St Cuthbert's Church, King George V Park and Hamilton's Bar & Kitchen. You will also find Stockbridge public library (under half a mile south-west) and London Street Primary School (0.5 miles south-east). The closest station to Canonmills is Edinburgh Waverley station, about 0.8 miles south-east of the centre. A little further out are St. James Centre (0.7 miles south-east) and Edinburgh Castle (1 mile south). Open spaces near Canonmills include Dunsapie Loch and The New Leaf Co-op.

Map of Canonmills © OpenStreetMap contributors

Canonmills: your questions answered

Who arranges sealant work on the shared parts of a tenement in Canonmills?

It generally goes through the owners together, or through the factor if the building has one. The Tenements (Scotland) Act 2004 covers the common parts where the deeds don’t, and we can quote for the factor or the owners directly.

Do you work for landlords with property near Edinburgh Waverley station?

Yes. We work for landlords and letting agents as well as householders. Just send an email to info@mrmastic.co.uk with the address and what needs doing, and we’ll give you a clear quote.

Will you leave a mess?

No. We protect the surfaces around the joints, and we clear up the old sealant and our materials before we leave.

Will there be a smell?

It depends on the product. Some smell for a while, some hardly at all, and any smell fades as they cure.

Should I try DIY first?

That depends on the joint. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.

Do I need to be at home?

If the work is inside, we need someone to let us in. Once we have agreed the job, you do not need to watch us work.

How many windows can you do in a day?

The work takes anything from an hour or two to a full day, depending on how many frames there are. Access and the amount of old mastic make the biggest difference.

Do you have insurance?

Yes. We’re fully insured.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job