Midlothian · Scotland

Shawfair Sand Mastic

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

  • Patchy fillers round a sash window
  • Old sand mastic that has cracked, crumbled or fallen out
  • Mastic worn away on windows facing the weather

Sand mastic near Shawfair

What sand mastic looks like in Shawfair

Shawfair is close to 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 older windows and doors, which can dry out and crack sooner where a building faces the weather. Historic houses like Melville Castle (about 2.2 miles south) are a reminder that the area around Shawfair has older buildings as well as new. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window.

Homes close to Newton Church include some older properties, and the joint between an old wall and a newer frame is usually the first place rain gets in. Letting a property close to Shawfair station? Then cracked sand mastic around sash windows lets in the draughts tenants complain about.

Shawfair is about 2 miles south-west of Musselburgh, in Midlothian. Homes, rented property, offices and hotels in Shawfair is covered for sand mastic, old or new, large or small. Every job comes with our 12-month guarantee. Shawfair is one of 33 towns and villages in Midlothian we cover.

Our applicators cover all of EH22, EH21 and EH15 for sand mastic. If you need sand mastic at a property on Redcroft Road, Archway Avenue and Whitehill Road or a nearby road, our applicators can take on the job. Being close to the A6106, Shawfair is easy for our applicators to reach for sand mastic. If you’re just outside Shawfair, we cover Newton Village (1 mile south), Millerhill (1 mile south-east), Newcraighall (1 mile north), Old Craighall (1 mile east) and Joppa (2 miles north). Larger places within reach include Bonnyrigg (4 miles south), Penicuik (8 miles south-west), Loanhead (4 miles south-west), Gorebridge (6 miles south), Newtongrange (4 miles south) and Mayfield (4 miles south-east). Being one of Midlothian’s larger places, Shawfair has every kind of property, from flats to offices.

Local landmarks in Shawfair

In Shawfair, that means homes and buildings near Drum Park and the streets around them. There’s a railway station in Shawfair itself: Shawfair station. Well-known places in the area include Royal Infirmary of Edinburgh (1.7 miles west) and Craigmillar Castle (1.9 miles west). Open spaces near Shawfair include Duddingston Loch and The New Leaf Co-op.

Map of Shawfair © OpenStreetMap contributors

About our sand mastic in Shawfair

For a listed home or one in a conservation area, ask your local planning authority if consent is needed before window work. Sand mastic is often favoured as a like-for-like material. We work on stone surrounds, tenement windows and sash and case windows, and the jobs we see most are crumbling sand mastic round a window and open joints round the window box.

Mastic can only go onto a dry joint, so outside work in Shawfair depends on the weather, and longer journeys are planned in advance. Tell us about access to all the windows and doors, upstairs included.

The work is guaranteed for twelve months. If there’s a problem with our work within the year, let us know and we will sort it.

Location
Shawfair (EH22, EH21, EH15)
Region
Midlothian
Guarantee
One year on every job
Price
A clear quote up front
Email
info@mrmastic.co.uk
Page updated
26 October 2026
Applicator reaching up to seal an external door frame on a sunny day

What sealant work can’t fix

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

  • Whether work needs listed building consent
  • Sashes that rattle, stick or will not open
  • Timber that has rotted

Not sure which it is? You can email us at info@mrmastic.co.uk and we will tell you honestly.

Where we work in Shawfair

  • Sash and case windows
  • Period & listed homes
  • Stone surrounds
  • Brick reveals
  • Tenement windows
  • Timber door frames

What happens on the day

We work through the job in order: protect, prepare, seal, tidy. For most jobs that takes anything from a few hours to a full day, depending on how many windows, and the area is left clean. Around Shawfair, distance and access matter more than parking. Let us know how to find you and how to reach the joints.

  1. First, we look at the surrounds with you and agree what needs doing.
  2. The loose and crumbling mastic is raked out and the joint cleaned.
  3. Large voids are packed out first, so the mastic is not too thick.
  4. The mastic is mixed, pressed into the joint by hand and shaped.
  5. We dress the surface so it sits neatly against the masonry.

Before we arrive

  • Plan for the work area to be out of bounds to pets and children
  • Tell us about access, such as stairs, a lift or high-level joints
  • Mention if the joints have been sealed before

Ask for a quote

Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll explain how we’d tackle it. When it suits you, email us at info@mrmastic.co.uk.

Get a price

Related advice

Common problems we fix in Shawfair

Sand mastic slowly weathers. It hardens, cracks and starts to come away on the stone or timber.

Look out for these signs:

  • Old sand mastic that has cracked, crumbled or fallen out
  • Mastic worn away on windows facing the weather
  • Gaps where the frame meets the masonry
  • Gaps round a timber door in stone or brick

Managing a site like Castlebrae Community High School? Then its window and door frames need their mastic kept sound, just like a home’s.

Comparing quotes

  • What the quote includes, VAT included or not
  • How the joint is cleaned and prepared
  • What insurance they hold
  • Whether you can choose the colour

How to choose a mastic man

Should I try it myself first?

If you’ve already had a go yourself, that is fine. We remove it and do the joint properly, so tell us about it when you ask for a quote.

Sealing over old silicone is the commonest DIY error. Silicone doesn’t stick to old silicone, so it lifts and traps water and mould underneath. All the old material has to come out first.

Work for landlords, hotels and businesses

Failed sealant is one of the commonest items on a check-out report. We can quote for more than one property at once.

Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.

What affects the quote in Shawfair

Your quote is based on your job. We look at:

  • The amount of work
  • How many rooms, windows or areas are involved
  • How easy the joints are to reach
  • Whether old sealant or filler has to be cut out

Leaving a failed joint usually makes the job bigger, not smaller, as water and mould keep getting in. If you are not sure whether it needs doing, email us at info@mrmastic.co.uk for an honest opinion and a quote.

What we need to know

You don’t need to know the technical terms. It helps if you can tell us:

  • Any access issues, like height or stairs
  • If someone has resealed it before
  • The address or postcode of the job
  • A few pictures by email, if you can

If you’re in Shawfair and need sand mastic, send an email to info@mrmastic.co.uk. A short description of the job and where it is helps us quote, and you will get a clear quote before any work starts.

Aftercare tips

Once the sealant has cured, a few habits help it last:

  • Check the mastic when you check the paintwork
  • Make sure water runs off the sill
  • Sort the mastic before the decorators arrive
  • Leave the new mastic unpainted

Do not touch or press the mastic while it hardens. It skins over quickly, but takes longer to harden fully.

Crumbling mastic lets rain into the joint. It can soak into the frame and the surrounding masonry so early renewal protects both.

Your questions about sand mastic in Shawfair

Do you work for landlords with property near Shawfair station?

Yes, landlords and agents are among the people we work for, and several properties can be quoted together. Just send an email to info@mrmastic.co.uk with the address and what needs doing, and we will send you a clear quote.

Will you come out to Shawfair?

Yes. Shawfair is within the area we cover, which takes in towns, villages and rural addresses. Our work covers the whole of Scotland. Let us know about access, parking and anything unusual about getting there when you book.

What do you need from me for a quote?

A short description and the location, with photos by email if possible. We’ll ask anything else we need to know.

How long will you be here?

As a guide, most jobs take anything from a few hours to a full day, depending on how many windows. Bigger jobs take longer, and we will tell you how long to expect.

Can you quote for more than one area?

Yes. Just list everything you need and you will get one quote.

Can old silicone round a sash window be swapped for sand mastic?

In most cases. We remove the silicone and clean the joint, then point it with sand mastic.

How long does sand mastic take to go off?

It skins over fairly quickly but takes longer to harden fully. We will explain what to expect before we leave.

Is it messy?

Not at all. We work neatly, protect the area around the joints and tidy up afterwards.

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