Midlothian · Scotland
Sand mastic for sash & case windows in Mayfield, Midlothian
We cover Mayfield for traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old material cut out, joints cleaned and sealed neatly and a one-year guarantee.
- Draughty sash windows at the surround
- Old sand mastic that has cracked, crumbled or fallen out
- Silicone on a period window that looks wrong
About our sand mastic in Mayfield
On many period windows, sand mastic looks right and suits the building. Newer frames usually get a flexible sealant instead, and we’ll talk through which suits your home. We work on brick reveals, timber door frames and sash and case windows, and people most often call us about modern sealant on a period surround and mastic dropping out of the joint.
In and around a place like Mayfield, homes range from older stone-built cottages to newer houses. Wind-driven rain finds any gap around a frame or sill.
All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.
- Place
- Mayfield (EH22)
- Wider area
- Midlothian
- Cover
- A year, on every job
- Quote
- A clear price before work begins
- info@mrmastic.co.uk
- Updated
- 26 October 2026
How it works
There’s no need to move everything out, just the space around the work. We protect the rest, and the work takes a few hours for a single window, longer for several in most cases. In smaller Scottish places, parking is generally less of an issue than access and distance. Tell us how to find the property and how to reach the work, and the visit is planned around that.
- We start by checking each surround and agreeing the joints to renew.
- We rake out the old mastic and clean the joint.
- Deep voids are packed so the mastic is the right thickness.
- The mastic is mixed, pressed into the joint by hand and shaped.
- The finish is dressed so it sits neatly against the stone or brick.
Getting ready for the visit
- On commercial sites, let us know about site rules
- Tell us about any previous sealing or DIY attempts
- Keep children and pets away from the work area
How to get a quote
Call for a quick quote, or send an email if you’d rather. Describe what needs sealing and we’ll explain what’s involved before giving you a price.
Related advice
Nearby places to Mayfield
What else we do in Mayfield
Aftercare tips
Looking after new joints is easy:
- Inspect the joints round the windows every year or so
- Find out about consent before window work on a listed home
- Make sure water runs off the sill
- Don’t run silicone over sand mastic
Avoid painting over the new mastic, as traditional guidance advises. Ask us before any decorating around it.
Small cracks are a sign the mastic is ageing. It’s easier to renew it before it drops out.
Windows and doors in Mayfield
Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and failed outside joints work against that. 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.
If you look after a building such as Newbattle Community High School, the mastic around its windows and doors needs looking after like any other building’s. Rented homes near Newtongrange station change hands often, and older sash windows in a rental need their mastic kept sound to keep the weather out.
Mayfield is about 2 miles south-east of Dalkeith, in Midlothian. If you need sand mastic in Mayfield, it’s easy to get a quote: please drop us a line at info@mrmastic.co.uk. We are based in Crawley and cover Midlothian. 33 places in Midlothian are on our list, from the larger towns to small villages. Our Edinburgh page covers work nearby (8 miles or so).
Here we cover the EH22 postcode area for sand mastic. We cover properties on Chester Square, Pinewood View and Pinewood Road. We also cover D'Arcy (1 mile east), Easthouses (1 mile north-west), Newtongrange (1 mile west), Gowkshill (1 mile south-west) and Edgehead (1 mile east). We also work in nearby towns such as Bonnyrigg (3 miles west), Penicuik (8 miles west), Loanhead (5 miles west), Shawfair (4 miles north-west), Danderhall (4 miles north-west) and Rosewell (4 miles west). Mayfield is one of the larger places we cover in Midlothian.
Around Mayfield
Mayfield’s nearest station is Newtongrange station, about 1.3 miles west. Other landmarks nearby include Cousland Smiddy (2.9 miles north-east) and Dalhousie Castle (1.9 miles west).
When it is not the sealant
It helps to know what we cannot do too:
- Whether work needs listed building consent
- Timber that has rotted
- Sash cords, weights and draught-proofing of the sashes
If you are not sure, just send an email to info@mrmastic.co.uk and we will give you a straight answer before you book.
What we seal
- Timber door frames
- Brick reveals
- Sash and case windows
- Stone surrounds
- Period & listed homes
- Tenement windows
For landlords and businesses
Hotels need rooms back in use, so the work can be planned room by room. Hotel work is part of what we do, alongside homes and businesses.
Mouldy or split sealant often shows up at the end of a tenancy, and it’s quick to put right between tenancies. Several properties can be quoted together.
Can I do it myself?
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it fails, we can still redo it.
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.
Do you need sand mastic in Mayfield?
Age is the main cause. Sand mastic is a maintenance item like any pointing, depending on exposure and upkeep.
It’s worth asking for a quote if you see:
- Old sand mastic that has cracked, crumbled or fallen out
- Draughty sash windows at the surround
- Old cement repairs round a window that have failed
- Tired mastic found when preparing windows for paint
Melville Castle, about 2.9 miles north-west, is one of the historic houses in the wider area around Mayfield, and older homes nearby need a sealant that suits their walls.
Before booking anyone
- Whether you can choose the colour
- What the quote includes, VAT included or not
- Whether the sealant suits the joint
- How much experience the applicator has
Mayfield questions
Is Mayfield within the area you cover?
Yes, smaller places are covered as well as towns. We work across all of Scotland. Just mention lanes, gates or anything else about the route when you book.
Do you cover Mayfield for sand mastic?
Yes, Mayfield is within the area we cover. Our work covers the whole of Scotland. Just email us at info@mrmastic.co.uk with a few details of the job.
Do you offer different sealant colours?
Most of the time, yes. We’ll explain which colours are available.
Do you do commercial work?
Yes, regularly. We can plan bigger jobs in stages.
Is sand mastic better than silicone for my windows?
For period timber windows in stone or brick, sand mastic is often the better fit. Modern frames normally suit a flexible sealant.
How do I get a quote for sand mastic in Mayfield?
There’s no set price, as it depends on the job: how much there is, what’s there now, how we reach it and what it needs. You will get a clear quote before any work starts.
Will the old sealant be removed?
Yes. We cut out all the old sealant and clean the joint before applying anything new.
Where is Mr Mastic based?
Our base is Crawley, with over 20 years’ experience. We work across South East England, London and Scotland.
Why it’s worth doing now in Mayfield
Filling over old, loose mastic doesn’t last. We remove the loose material first so the new work lasts. In a place like Mayfield, small leaks are easy to put off, but water behind a failed seal does the most damage when nobody’s watching.
We don’t show prices on the website, because the cost depends so much on the job itself. For a quick quote, please send an email to info@mrmastic.co.uk.
Why us?
- We never seal over old sealant
- Rated 4.9 stars on Google
- Experience in homes, commercial sites and hotels
- Fully insured
Read what affects the cost or what customers say.