Scottish Borders · Scotland

Window & door mastic in Boleside, Scottish Borders

Window and door frames in Boleside need attention? We remove the old material, prepare the joints and seal them properly.

  • Rain getting in at the frame or under the sill
  • Whistling draughts around closed windows
  • Rushed sealant from a window installation

Trusted window mastic in Boleside

Window mastic for homes and businesses in Boleside

Colour matters on a frame. We can seal in white, brown, anthracite grey, black or clear, so the line suits the frame instead of standing out. If you have whistling draughts around closed windows and rushed sealant from a window installation, we can put it right, on aluminium frames, window sills and uPVC windows alike.

Older stone-built homes in Scotland often have sash and case or timber windows set in stone. Those suit a traditional sand mastic or a neutral-cure sealant, not an acetoxy silicone that can attack some stone.

Whatever the size of the job, it’s backed by our one-year guarantee in Boleside and across the Scottish Borders.

Applicator reaching up to seal an external door frame on a sunny day
Where
Boleside (TD1)
Region
Scottish Borders
Guarantee
A year, on every job
Price
A clear quote up front
Email
info@mrmastic.co.uk
Updated
26 October 2026

What window mastic looks like in Boleside

Historic houses like Peel House (about 4 miles west) are a reminder that the area around Boleside has older buildings as well as new. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic. Private landlords in Scotland must meet the Repairing Standard, which includes keeping a home wind and watertight, and failed outside joints work against that.

Letting a property close to Galashiels station? Then renewing tired window mastic between tenants heads off draught and damp complaints. If you look after a building such as Galashiels Academy, the mastic around its windows and doors needs looking after like any other building’s.

Boleside is about 2 miles south of Galashiels, in the Scottish Borders. Boleside gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Our the Scottish Borders coverage runs to 89 places, and Boleside is one of them. We also work in Edinburgh, about 29 miles from Boleside.

Postcode districts we cover here for window mastic: TD1. Other places close to Boleside include Tweedbank (2 miles north-east), Galashiels (2 miles north), Langlee (2 miles north-east), Darnick (2 miles east) and Melrose (3 miles east). Larger places within reach include Hawick (12 miles south), Kelso (14 miles east), Selkirk (3 miles south-west), Jedburgh (13 miles south-east), Wilton (11 miles south) and Innerleithen (10 miles west).

Near you in Boleside

For rail, the closest station is Galashiels station, about 1.8 miles north. A little further out are Borders General Hospital (2.3 miles east) and Old Gala House (1.6 miles north). The countryside around Boleside includes Eildon Mid Hill and Haining Loch.

Map of Boleside © OpenStreetMap contributors

How the visit works

On the day, there’s very little for you to do. Point us to the joints and we’ll get on with it. The work itself takes a morning for a couple of windows and a door from start to finish. Outside jobs in Boleside need a dry day, because sealant won’t bond to a wet joint, so external jobs may need to move if the day turns wet. Indoor work goes ahead whatever the weather.

  1. First, we go round the frames with you and agree the list.
  2. The old mastic is cut out and scraped back to clean surfaces.
  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. Every joint is tooled smooth and checked before we leave.

Preparing for the visit

  • Mention any tricky access
  • On commercial sites, let us know about site rules
  • Try not to wet indoor joints just before the visit

Getting a quote

Getting a quote is simple: let us know the job and the location and its rough size. Photos by email help us understand the job, and we’ll come back to you with a quote.

Get a quick quote

Read more

Why deal with it now?

Once mastic fails, rain can get between the frame and the wall. Left long enough, it can stain inside walls, spoil plaster and rot wooden frames. Resealing now is a small job by comparison. Exposed walls in smaller Scottish places take a lot of wind and rain, and damp in stone or harled walls takes a long time to dry once water gets behind a joint.

The cost reflects the work involved, not a rough estimate. That’s why we ask about the job first and agree the price before starting.

Why book with us

  • White, clear, grey or coloured to suit, where the product allows
  • Tidy, careful work
  • You choose the colour before work begins
  • Anti-fungal silicone where joints get wet

Take a look at our cost guide and what customers say.

How to look after the new joints

After the cure time, these simple habits help:

  • Keep paint off silicone joints
  • Keep solvents and bleach off the sealant
  • Use gentle cleaners on frames and sealant
  • Keep timber frames painted

Clean the frames with mild soapy water, and avoid solvent cleaners on the sealant.

A small gap around a frame only grows. As old mastic keeps shrinking, the gap widens, and a cold room gets colder. A new joint closes it up.

Common questions in Boleside

Do you work for landlords with property near Galashiels station?

Yes, we work for landlords and letting agents. Just email us at info@mrmastic.co.uk and tell us about the property, and we will give you a clear quote.

Can you do window mastic in Boleside?

Yes. Our work covers the whole of Scotland, and Boleside is part of that. Just drop us a line at info@mrmastic.co.uk with a few details of the job.

Can you do upstairs windows?

Usually, yes. Access is planned before any work starts.

Can I add another job to the visit?

Yes, we can. More than one area can be quoted together.

Where is Mr Mastic based?

We’re based in Crawley, and we work across South East England, London and Scotland.

How long will my window job take?

A few frames take a few hours, while a whole house takes longer. We confirm the timing with your quote.

What information do you need?

A short description and the location, with photos by email if possible. If we need more, we’ll ask.

Are you fully insured?

Yes. Full insurance covers our work, and we can confirm the details when we quote.

How we quote for window mastic

Every job gets its own quote. These are the things that affect it:

  • How many rooms, windows or areas are involved
  • Whether there’s mould to deal with
  • Whether old sealant or filler has to be cut out
  • Whether the work is at height

Some things make a job bigger or smaller: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether the work is at height. We take all of that into account in your quote.

Helping us quote

To make quoting easier, let us know:

  • Where the property is
  • The rough size of the job
  • Whether it has been sealed before
  • Any access issues, like height or stairs

To get a quote, send an email to info@mrmastic.co.uk with the location and a short description of the problem. You’ll have a clear quote before work begins.

Common problems we fix in Boleside

Timber windows bring their own problems. Mastic painted over many times cracks with the paint, and the wood moves with damp as well as heat.

The problems people generally mention when they call include:

  • Draughty joints inside around the window
  • Gaps where the sill meets the wall
  • Sealant in the wrong colour for the frame
  • Rain getting in at the frame or under the sill

Peel House, about 4 miles west, is one of the historic houses in the wider area around Boleside, and older homes nearby need a sealant that suits their walls.

What to look for in a quote

  • How much experience the applicator has
  • What happens if the job turns out different
  • When the joint can take water or movement
  • What guarantee comes with the work

How to choose a mastic man

Work for landlords, hotels and businesses

In hotels, rooms out of use cost money, so we plan the work room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.

Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance that we can handle for you.

What we cannot put right

Some problems need a builder, plumber or other trade rather than us:

  • Misting between the panes of a double-glazed unit (that needs a new unit)
  • A door that needs adjusting, rehanging or new seals
  • Rotten timber, which needs a joiner first

If in doubt, send an email to info@mrmastic.co.uk and we’ll say what we think before you book.

What we seal

  • Window sills
  • Patio & French doors
  • Timber windows & doors
  • Composite doors
  • Aluminium frames
  • uPVC windows
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job