Midlothian · Scotland

Sand mastic for sash & case windows in Milton Bridge, Midlothian

Traditional burnt sand mastic around sash and case windows and doors in stone and brick for Milton Bridge, backed by a 12-month guarantee. Call for a quick quote.

Modern sealant on a period surround
Window mastic to renew ahead of painting
Cement or filler used on old window joints that has cracked

Need sand mastic in Milton Bridge?

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Common problems we fix in Milton Bridge

Rain on the window surround works into any crack and pushes it out. Windows facing the weather tend to go first.

People normally contact us when they notice one of these:

Draughty sash windows at the surround
Gaps between timber frames and stone or brick
Tired mastic found when preparing windows for paint
Gaps round a timber door in stone or brick

Schools such as Beeslack Community High School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s.

Comparing quotes

What the cure time is
How much experience the applicator has
How the joint is cleaned and prepared
What insurance they hold

Choosing a sealant specialist

Sand mastic in Milton Bridge, done properly

Sand mastic suits most period window surrounds. On modern frames we’d normally use a flexible sealant and we will explain which is best for yours. We work on sash and case windows, timber door frames and stone surrounds, and common reasons people get in touch are silicone on a period window that looks wrong and draughts and rain around sash boxes.

Mastic can only go onto a dry joint, so outside work in Milton Bridge depends on the weather. Let us know about access to every frame, including any upstairs.

You are covered for a year from the day we finish. If there’s a problem with it, please email us at info@mrmastic.co.uk.

Where: Milton Bridge (EH26, EH25)
Region: Midlothian
Cover: 12 months on all our work
Quotes: Quoted before any work starts
Email: info@mrmastic.co.uk
Last updated: 26 October 2026

Applicator reaching up to seal an external door frame on a sunny day

What affects the quote in Milton Bridge

You’ll get a clear quote before any work starts. It takes into account:

The type of sealant required
Working hours on commercial sites
The number of rooms or windows
How much there is to do

We don’t show prices on the website, because each job is priced on what it involves. Call for a quick quote.

Helping us quote

To make quoting easier, let us know:

What the problem is, such as mould, gaps, leaks or cracking
A few pictures by email, if you can
If it’s domestic, commercial or a hotel
Where the job is, and your postcode

A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and add photos by email if you can.

Why act early in Milton Bridge

If you are redecorating, renew the mastic first. Painting over failed mastic doesn’t seal it, and the new mastic is traditionally left unpainted. Around Milton Bridge, water from a failed joint in an older stone home can soak into timber and plaster.

Every job is a little different, so we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all play a part.

Why book with us

Domestic, commercial and hotel work
Tidy, careful work
Any old sealant cut out fully, not covered over
More than 20 years in sealant work

See how sealant jobs are priced or customer reviews.

Milton Bridge questions

Is there a guarantee on sand mastic in Milton Bridge?

All our work, in Milton Bridge and everywhere else, comes with a 12-month guarantee. We’re fully insured, and an ARBOMaster approved applicator.

Do you cover Milton Bridge for sand mastic?

Yes, Milton Bridge is within the area we cover. Our work covers the whole of Scotland. You can drop us a line at info@mrmastic.co.uk and tell us what needs doing.

Can tenants book the work?

Yes, though it’s best to check with your landlord first. Many landlords are glad to have it sorted.

Can you work on commercial sites?

Yes. Hotels, offices and other businesses use us and we’re fully insured.

Do you work for letting agents?

Yes, often. Several properties can go on one quote, and between tenancies is a good time for the work.

Are you fully insured?

Yes. We’re fully insured.

What information do you need?

A short description and the location, plus photos if you have them. If we need more, we’ll ask.

What’s sand mastic made of?

Sand mastic is a traditional material for pointing round windows and doors. It’s made with sand and a linseed-oil-based binder.

DIY sealant or a professional job?

Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.

A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.

How the job changes by surface

Stone surrounds

Stone surrounds suit sand mastic well. It finishes to look like part of the surround.

Period and listed homes

Sand mastic is the like-for-like choice for many period homes. On listed buildings, check with your planning authority first.

Milton Bridge homes and the weather

Sash and case windows are common in older Scottish homes, and the joint between the box frame and the stone or render is traditionally pointed with sand mastic. Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and sound outside sealant is part of that.

Homes close to Glencorse Parish Church include some older properties, and replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.

Milton Bridge is about 1 mile north-east of Penicuik, in Midlothian. We carry out sand mastic for homeowners, landlords and businesses in Milton Bridge and nearby, as part of our work across Midlothian. Across Midlothian, we cover 33 places, Milton Bridge among them. You can also see our page for Edinburgh, roughly 7 miles from Milton Bridge.

Every address in EH26 and EH25 is covered for sand mastic. You will find streets such as Firth Road, Fraser Lane and Graham's Road, all of which we cover. We also cover the places around Milton Bridge: Penicuik (1 mile south-west), Howgate (3 miles south), Silverburn (3 miles south-west), Swanston (3 miles north) and Bonaly (4 miles north-west). Further out, we also cover Bonnyrigg (4 miles north-east), Dalkeith (6 miles north-east), Loanhead (3 miles north-east), Gorebridge (6 miles east), Newtongrange (6 miles east) and Mayfield (6 miles east).

What’s near Milton Bridge

Well-known places in the area include Rosslynlee Hospital (1.9 miles west) and Oldwoodhouselee Castle (0.7 miles south-east). For a walk, there’s Castle Law and Edgelaw Reservoir.

How it works

When we arrive, we look over the joints with you first, so there are no surprises. Surfaces next to the work are protected before any work begins. Most jobs take a few hours per window, depending on the condition of the joints. Outdoor work around Milton Bridge depends on the weather, as sealant needs a dry surface, so an outdoor job can move if the forecast changes. Work indoors isn’t affected.

We check the window surrounds and agree which joints need renewing.
The loose and crumbling mastic is raked out and the joint cleaned.
We pack any deep gaps so the mastic sits at the right depth.
Sand mastic is mixed and applied by hand, then shaped to the joint.
The finish is dressed so it sits neatly against the stone or brick.

Before we arrive

Try not to wet indoor joints just before the visit
Mention if the joints have been sealed before
Tell us about any water getting in

Get a quote

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 we start.

Get a price