East Lothian · Scotland
Bolton Window Mastic
Window mastic for Bolton, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Untidy mastic left by window fitters
- Cracked or shrunken mastic around the frame
- Gaps where the sill meets the wall
Why act early in Bolton
Redecorating is a good moment to renew the mastic. Fresh joints finish the job neatly. 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.
We do not show prices on the website, because each job is priced on what it involves. Call for a quick quote and we will talk you through it.
Why choose Mr Mastic in Bolton
- Neat joints and a tidy finish
- More than 20 years in sealant work
- You choose the colour before work begins
- Any old sealant cut out fully, not covered over
Window mastic in Bolton
Some gaps around frames are far deeper than they look. Packing it solid with sealant gives a joint that cannot flex, so we fit backing rod to set the right depth. The sealant then grips the two sides it should. We are often asked to deal with gaps between the frame and the inside reveal and water coming in at the bottom corners of a door, on patio & French doors, aluminium frames and window sills.
Many older Scottish homes still have timber windows set into stone walls. The sealant has to suit the stone, which rules out acetoxy silicones that can mark or attack it.
A one-year guarantee comes as standard, so you’re not left on your own once the job is done.
- Place
- Bolton (EH41)
- Wider area
- East Lothian
- Cover
- A year, on every job
- Price
- A clear price before we start
- info@mrmastic.co.uk
- Updated
- 26 October 2026
Nearby places to Bolton
Also in Bolton
Can I do it myself?
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
Signs you need window mastic in Bolton
Older frames were often sealed with products that set hard. Once it has hardened, the frame’s movement tears it from the wall, and a gap opens along one edge.
Any of these means the joints need attention:
- Mastic that has split away from the wall
- Gaps between the frame and the inside reveal
- Leaking joints at the ends of sills
- Mastic that is falling out in pieces
For an older house near a landmark such as Bolton Parish Church, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Comparing quotes
- The length of the guarantee
- Whether you can choose the colour
- How the surfaces are prepared before sealing
- What insurance they hold
Work for landlords, hotels and businesses
Whether it’s one flat or a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a one-year guarantee.
We also work for property managers and facilities teams. We can quote a run of properties together.
What happens on the day
We keep the work tidy and contained to the area we’re working on, so you can get on with your day. Expect the work to take a morning for a couple of windows and a door. In smaller Scottish places, parking is usually less of an issue than access and distance. Let us know how to find you and how to reach the joints.
- First we look at every frame and agree the list.
- We remove the old mastic and clean the frame and the wall.
- Deep gaps are filled with backing rod to set the depth.
- We apply a weatherproof sealant to match the frame and tool it neatly.
- We clear up and check every joint is fully closed.
Preparing for the visit
- Let us know if you’ve seen damp or leaks
- Let us know about stairs, lifts or work at height
- Tell us if parking is tricky
Get a quote
We quote each job on its own, so the first step is telling us about yours. Simply email us at info@mrmastic.co.uk and describe the job, and photos are welcome.
Related advice
When something else is needed
We’ll always be straight with you, so here’s what new sealant will not do:
- Rotten timber, which needs a joiner first
- A door that needs adjusting, rehanging or new seals
- A failed sealed unit that has misted up
If you’re not sure, just drop us a line at info@mrmastic.co.uk and we’ll give you a straight answer.
Where we work in Bolton
- Patio & French doors
- Timber windows & doors
- Window sills
- Aluminium frames
- uPVC windows
- Composite doors
Bolton questions
Will you come out to Bolton?
Yes, smaller places are covered as well as towns. Our work covers the whole of Scotland. Let us know about access, parking and anything unusual about getting there when you book.
Is Bolton in your area for window mastic?
Yes, Bolton is within the area we cover. Our work covers the whole of Scotland. You can email us at info@mrmastic.co.uk and let us know what needs doing.
Can you do upstairs windows?
Yes, in most cases. We plan safe access before the job.
Do you work for landlords and businesses?
Yes. We work for householders, landlords, letting agents, businesses and hotels across East Lothian.
Is it worth trying it myself?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
How long does it take to reseal the windows on a house?
A handful of frames is a short visit. We confirm the timing with your quote.
What sealant do you use?
Each joint gets the product that suits it. Where it moves, gets wet or faces the weather makes a difference, and we’ll explain our choice.
Do I need to be at home?
For indoor joints, yes, someone needs to let us in. Once we’ve agreed the job, you don’t need to watch us work.
How we quote for window mastic
Some jobs are bigger than they look, and some smaller. The main factors:
- Which sealant suits the joint
- How many rooms, windows or areas are involved
- Whether the work is at height
- Any mould that needs treating
A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you are not sure whether it needs doing, send an email to info@mrmastic.co.uk and we’ll give you an honest view and a quote.
What to tell us for a quote
The more you tell us, the more accurate the quote. When you ask for a quote, tell us:
- How we’d reach the joints
- Photos by email, if that is easy
- Any previous sealing or DIY work
- The problem you’ve noticed
For a quick quote, get us on the phone, or email us if that’s easier. Describe what needs sealing and we’ll talk you through the work.
Window mastic in Bolton: local notes
Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and sound outside sealant is part of that. Sash and case windows are common in older Scottish homes, often pointed into the wall with traditional sand mastic.
For site and facilities teams at buildings such as Knox Academy, its window and door frames need their mastic kept sound, just like a home’s.
Bolton is about 2 miles south of Haddington, in East Lothian. We provide window mastic to homes and businesses in Bolton, as part of our work across East Lothian. Across East Lothian, we cover 48 places, Bolton among them. For nearby work, see our Edinburgh page (16 miles or so).
Our applicators cover all of the EH41 postcode area for window mastic. We also cover the places around Bolton: Dovecote (2 miles north), Gifford (2 miles south-east), East Saltoun (2 miles south-west), Haddington (2 miles north) and Gladsmuir (3 miles north-west). Within a short drive, we also cover Musselburgh (10 miles west), Dunbar (12 miles north-east), Tranent (6 miles west), North Berwick (10 miles north), Prestonpans (8 miles west) and Cockenzie and Port Seton (7 miles north-west).
Around Bolton
Well-known places in the area include Roodlands General Hospital (2.5 miles north) and East Saltoun Old Castle (2.4 miles south-west). Green spaces nearby include Skid Hill.