West Lothian · Scotland
Window Mastic in Addiewell
Window mastic across Addiewell and nearby, with old sealant always removed completely.
- Rain getting in at the frame or under the sill
- Gaps where the sill meets the wall
- Mastic that has split away from the wall
Signs you need window mastic in Addiewell
Mastic ages in the weather. Sunlight dries the surface out, and over the years it loses its give, cracks and comes away.
If you can see any of these, it’s time to have the joints looked at:
- Gaps between the frame and the inside reveal
- Rain getting in at the frame or under the sill
- Cracked sealant at the sill ends
- Untidy mastic left by window fitters
Howden House, about 4.8 miles north-east, is one of the historic houses in the wider area around Addiewell, and older homes nearby need a sealant that suits their walls.
What your quote should include
- Whether VAT is included
- What happens if they find a problem under the old sealant
- When the joint can take water or movement
- Which sealant they’ll use, and why
Window mastic in Addiewell
Over two decades of sealing frames has taught us which products suit which walls. We are fully insured ARBOMaster approved applicators, and every job is covered by a 12-month guarantee. Typical jobs include white mastic on grey or black frames and gaps between the frame and the inside reveal, on window sills, composite doors and patio & French doors.
Outdoor sealant needs a dry surface, so window work around Addiewell is planned around the weather, and longer journeys are planned in advance. Tell us about access to all the windows and doors, upstairs included.
Our work is backed for twelve months, in Addiewell and everywhere else we cover.
- Location
- Addiewell (EH55)
- Region
- West Lothian
- Cover
- 12 months on all our work
- Price
- A clear quote up front
- info@mrmastic.co.uk
- Updated
- 26 October 2026
What happens on the day
At the end, we look at the finished work together and tell you how long to leave it. The work normally takes most of a day for a typical house, less for a few frames, depending on the amount of work. Outdoor work around Addiewell depends on the weather, as sealant needs a dry surface, so an outdoor job can move if the forecast changes. Indoor work goes ahead whatever the weather.
- First, we go round the frames with you and agree the list.
- The old mastic is cut out and scraped back to clean surfaces.
- Deep gaps get closed-cell backing rod to set the depth.
- A flexible exterior sealant is applied in a colour to suit the frame.
- Every joint is tooled smooth and checked before we leave.
Getting ready for the visit
- Mention if the joints have been sealed before
- Clear items away from the joints we’re working on
- Tell us about any water getting in
How to get a quote
It all starts with a short chat. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. When it suits you, email us at info@mrmastic.co.uk.
Advice
Honest limits
Sealant is not the answer to every problem, and we’ll tell you before we start. Sealant won’t put right:
- Condensation trapped between the panes
- A door that needs adjusting, rehanging or new seals
- Rotten timber, which needs a joiner first
If you are not sure, just email us at info@mrmastic.co.uk and we will give you a straight answer.
What we seal
- Timber windows & doors
- Composite doors
- Patio & French doors
- Window sills
- uPVC windows
- Aluminium frames
Landlords, agents and businesses in Addiewell
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
Hotels need rooms back in use, so we plan the work room by room. We have worked in hotels as well as homes and businesses.
Addiewell: your questions answered
Do you cover smaller places like Addiewell?
Yes. Addiewell is within the area we cover, which takes in towns, villages and rural addresses. Our work covers the whole of Scotland. Just mention lanes, gates or anything else about the route when you book.
Do you work for landlords with property near Addiewell station?
Yes. We work for landlords and letting agents as well as homeowners. Just drop us a line at info@mrmastic.co.uk with the address and what needs doing, and we’ll send you a clear quote.
Where do you work from?
We’re based in Crawley, and we work across South East England, London and Scotland.
Does the work come with a guarantee?
Yes, for 12 months. A yearly look at the joints helps them last.
When is the sealant fully cured?
That depends on the sealant used, so follow the cure time we give you.
Is it messy?
No. We protect the surfaces around the joints, and we tidy up before we go.
How long does it take to reseal the windows on a house?
That depends on the number of frames, how they’re reached and the state of the old mastic. We’ll tell you how long your job needs when we quote.
Will resealing my frames help with draughts?
Yes, where the draught is at the frame edge. We check where the draught is before any work starts.
Also near Addiewell
What else we do in Addiewell
Why act early in Addiewell
Draughts and leaks don’t always mean new windows. If the frames and glass are in good order, resealing the joints is often all that’s needed. Problems with the glass or gaskets are for a window company, and we’ll say so. 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 we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all make a difference, and we’ll explain the quote if you ask.
What you get with us
- Over 20 years’ experience
- Fully insured
- Colour picked to suit the job
- Every job guaranteed for a year
Take a look at what affects the cost or what customers say.
What the job involves on each surface
Aluminium frames
Aluminium needs a sealant that bonds to coated metal and we avoid acetoxy silicones, which can react with some metals. Neutral-cure sealant is the safe choice.
Patio & French doors
Patio and French doors have the longest joints on most houses. The threshold and the bottom corners take the most water, so they get particular care.
DIY versus a professional finish
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Addiewell homes and the weather
Sash and case windows are common in older Scottish homes, often pointed into the wall with 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.
Rented homes near Addiewell station change hands often, and sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.
Addiewell is about 4 miles south of Bathgate, in West Lothian. We provide window mastic to homeowners, landlords and businesses in Addiewell and the surrounding area, as part of our work across West Lothian. 58 places in West Lothian are on our list, large and small. Edinburgh is on our list too, about 17 miles from Addiewell.
Work in EH55 is quoted and booked the same way as anywhere else. Streets in the area include Station Road, Station Court and Blackburn Road, all of which we cover. Nearby, we also carry out window mastic in Addiebrownhill (1 mile south-west), Loganlea (1 mile south-west), Stoneyburn (1 mile west), Bents (1 mile west) and Blackburn (2 miles north). Larger places within reach include Livingston (5 miles north-east), Bathgate (4 miles north), Linlithgow (9 miles north), Whitburn (3 miles west), East Calder (7 miles north-east) and Broxburn (8 miles north-east).
Near you in Addiewell
There’s a railway station in Addiewell itself: Addiewell station. A little further out are Tippethill House Hospital (3.7 miles north-west) and Whitburn Community Museum (3.2 miles north-west). Green spaces nearby include Dechmont Law.