East Lothian · Scotland
Sand mastic for sash & case windows in Humbie, East Lothian
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for Humbie, backed by a 12-month guarantee. Call for a quick quote.
- Tired mastic found when preparing windows for paint
- Mastic dropping out of the joint
- Mastic round period door frames that has failed
How to look after the new joints
No joint lasts for ever, but care makes a real difference. Our tips:
- Look over the window mastic once a year
- Avoid patching sand mastic with silicone
- Avoid heavy scraping on the mastic joint
- Plan mastic work ahead of painting
Avoid painting over the new mastic, as traditional guidance advises. Ask us before any decorating around it.
Once mastic starts to crumble, rain gets in. That water can reach the timber frame and the wall so early renewal protects both.
Sand mastic in Humbie, done properly
Sand mastic has long been used to fill the joint between timber frames and masonry. It’s made from sand and a linseed-oil-based binder, applied by hand. On period homes, it looks right where silicone wouldn’t. If you’re dealing with failed mastic on an exposed elevation and old sand mastic that has cracked, crumbled or fallen out, we can put it right, on period & listed homes, sash and case windows and timber door frames alike.
In and around a place like Humbie, homes range from older stone-built cottages to newer houses. Exposed frames and sills take the full force of wind-driven rain.
Each job carries a 12-month guarantee, whatever its size.
- Place
- Humbie (EH36)
- Wider area
- East Lothian
- Guarantee
- One year on every job
- Quotes
- A clear price before we start
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
What sealant work can’t fix
In fairness, some problems need a different trade:
- Damaged stone surrounds
- Sashes that need overhauling
- Broken panes
If in doubt, email us at info@mrmastic.co.uk and we will say what we think before you book.
Surfaces we seal
- Period & listed homes
- Brick reveals
- Timber door frames
- Stone surrounds
- Sash and case windows
- Tenement windows
How the job changes by surface
Sash and case windows
Sash windows are where we do most sand mastic work. Each joint round the box is raked out and renewed.
Timber door frames
Sand mastic is used round timber door frames too. The method is the same as for windows.
Nearby places to Humbie
More services for Humbie
Common questions in Humbie
Will you come out to Humbie?
Yes, smaller places are covered as well as towns. Our work covers the whole of Scotland. Just mention lanes, gates or anything else about the route when you book.
Can you do sand mastic in Humbie?
Yes. We work across all of Scotland, and Humbie is part of that. Just email us at info@mrmastic.co.uk with a few details of the job.
Are you insured?
Yes. Full insurance covers our work.
Are you an approved applicator?
Yes. We hold ARBOMaster approved applicator status.
Is it messy?
Not at all. We work neatly, protect the area around the joints and tidy up afterwards.
Do you work for letting agents?
Yes, often. Several properties can go on one quote.
What guarantee comes with the work?
Our 12-month guarantee covers every job.
How long does sand mastic take to go off?
Not straight away. The skin forms first, and the full set comes later and we’ll give you an idea for your job.
Why it’s worth doing now in Humbie
Cement-based fillers and modern sealants do not always suit a period surround. Sand mastic is the like-for-like choice, which can matter on listed and conservation-area homes. Out of town in Scotland, exposed walls take a lot of weather, and once water gets behind a failed joint, damp in stone or harled walls is slow to dry out.
No two jobs are quite the same, so each one gets its own quote. The number of joints, how easy they are to reach and the sealant needed all play a part.
Why Humbie customers choose us
- Homes, businesses and hotels
- Fully insured
- A 12-month guarantee on all work
- Sanitary silicone with an anti-fungal additive in wet areas
See our cost guide and what customers say.
How we quote for sand mastic
We don’t publish a price list, because no two jobs are the same. The quote depends on:
- Which sealant suits the joint
- Any working-time requirements on site
- How many rooms, windows or areas are involved
- The old material and how stubborn it is
A failed joint rarely gets cheaper to fix by waiting. If you are unsure, email us at info@mrmastic.co.uk for an honest opinion and a quote.
What to tell us for a quote
When you contact us, it’s useful to know:
- Where the property is
- Any access issues, like height or stairs
- Photos by email, if that is easy
- Any previous sealing or DIY work
We do not publish a price list, because every job is different. Instead, we give you a clear quote for your job. To get started, send an email to info@mrmastic.co.uk.
How it works
On the day, we start by going over the job with you, so there are no surprises. Surfaces next to the work are protected before we start. Most jobs take a few hours for a single window, longer for several. Outside jobs in Humbie need a dry day, because sealant will not bond to a wet joint, so external jobs may need to move if the day turns wet. 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.
- Deep voids are packed so the mastic is the right thickness.
- We mix the sand mastic and apply it by hand, shaping it to the joint.
- The finish is dressed so it sits neatly against the stone or brick.
How to prepare
- Tell us about any water getting in
- Where the joints are inside, avoid wetting them before we arrive
- Plan for the work area to be out of bounds to pets and children
How to get a quote
To get a quote, email us at info@mrmastic.co.uk with the location and a short description of the problem. We’ll send you a clear quote before any work starts.
Related advice
Humbie homes and the weather
Private landlords in Scotland must meet the Repairing Standard, which includes keeping a home wind and watertight, and sound outside sealant is part of that. Many older homes in Scotland have sash and case windows, often pointed into the wall with traditional sand mastic.
In and around Humbie, as anywhere, good sand mastic starts with a clean, dry, properly prepared joint. Homes close to Humbie Parish Church include some older properties, and the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Humbie is about 8 miles south-west of Haddington, in East Lothian. Homes, rented property, offices and hotels in Humbie can book us for sand mastic, old or new, large or small. The work is guaranteed for a year. Our East Lothian coverage runs to 48 places, Humbie among them. There’s also a page for Edinburgh, roughly 15 miles from Humbie.
Every address in EH36 is within our area for sand mastic, from the main roads to the quietest streets. Whether your property is on Shillinghill and Kippithill or anywhere close by, our applicators can take on the job. Neighbouring places we cover for sand mastic include East Saltoun (3 miles north), Wester Pencaitland (4 miles north), Easter Pencaitland (4 miles north), Pencaitland (4 miles north) and Pathhead (4 miles west). We also work in nearby towns such as Musselburgh (10 miles north-west), Haddington (8 miles north-east), Tranent (7 miles north-west), North Berwick (15 miles north), Prestonpans (8 miles north-west) and Cockenzie and Port Seton (9 miles north-west).
Local landmarks in Humbie
Well-known places in the area include East Saltoun Old Castle (3.4 miles north). The countryside around Humbie includes Soutra Hill.
Can I do it myself?
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
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 doesn’t work out, we can still put it right.