South Lanarkshire · Scotland
Window Mastic in Pettinain
Mastic around window and door frames, sills and patio doors in Pettinain, with a one-year guarantee on every job. Ask us for a quote.
- Untidy mastic left by window fitters
- Cracked or shrunken mastic around the frame
- Sealant in the wrong colour for the frame
How to look after the new joints
Looking after new joints is easy:
- Repaint timber before it’s bare
- Keep paint off silicone joints
- Ventilate rooms so frames do not stay wet inside
- Wash the frames with mild soapy water
A yearly look round the frames is enough. Small splits are simple to catch before they leak.
Water trapped behind a failed joint can start rot in timber frames and sills. Once wood has rotted, it needs repair before it can be sealed, so it pays to reseal before that happens.
Window mastic for homes and businesses in Pettinain
The new joint does not have to be white. We can seal in white, brown, anthracite grey, black or clear, so the line suits the frame instead of standing out. If you are dealing with gaps between the frame and the inside reveal and a bead that doesn’t match the frame, we can put it right, on uPVC windows, aluminium frames and composite doors alike.
Across smaller places in Scotland, homes range from stone and harled cottages to newer houses, many standing in the open. Exposed frames and sills take the full force of wind-driven rain.
We guarantee the work for a year. If something isn’t right with it in that time, tell us and we will put it right.
- Where
- Pettinain (ML11)
- Wider area
- South Lanarkshire
- Cover
- A year, on every job
- Price
- A clear price before we start
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
What we do, step by step
A visit follows a simple pattern: we look at the joints together, protect the area around them, carry out the job and clear up. It usually takes anything from an hour or two to a full day, depending on how many frames there are. Somewhere like Pettinain may be a longer drive, and the journey is planned ahead. Tell us about tracks, gates, a ferry crossing or anything unusual about getting there.
- We check each frame and agree which ones need doing.
- Next the failed sealant is cut away and the joint cleaned.
- Where gaps are deep, backing rod goes in first.
- We apply a weatherproof sealant to match the frame and tool it neatly.
- Every joint is checked before we leave.
Getting ready for the visit
- Tell us about access, such as stairs, a lift or high-level joints
- Let us know about parking restrictions
- Mention any leaks or damp you’ve noticed
How to get a quote
We quote each job on its own. Simply email us at info@mrmastic.co.uk and describe the job.
Related advice
Pettinain homes and the weather
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. Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and sound outside sealant is part of that.
If you let a flat or house near Carstairs station, sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.
Pettinain is about 8 miles south-east of Carluke, in South Lanarkshire. From the centre of Pettinain to the outskirts, we cover window mastic for every kind of property. Pettinain is one of 139 towns and villages in South Lanarkshire we cover. Edinburgh is on our list too, about 26 miles from Pettinain.
We cover every part of the ML11 postcode area for window mastic. We cover properties on Raeburn Common and Cairngryffe Street. If you are just outside Pettinain, we cover Carstairs Junction (2 miles north), Covington (2 miles south-east), Carstairs (2 miles north-west), Libberton (2 miles east) and Carnwath (3 miles north-east). Further out, we also cover Larkhall (13 miles north-west), Carluke (8 miles north-west), Lanark (4 miles west), Stonehouse (13 miles west), Lesmahagow (9 miles west) and Law (10 miles north-west).
Landmarks near Pettinain
The closest station to Pettinain is Carstairs station, roughly 1.8 miles north. Other landmarks nearby include Covington School Museum (2.3 miles south-east) and William Smellie Memorial Hospital (4.9 miles west). Open spaces near Pettinain include Lanark Loch.
Signs you need window mastic in Pettinain
On timber frames, paint and putty build up around the joint. Old mastic gets painted over and cracks under the paint, and timber moves with moisture as well as temperature.
Common reasons people contact us include:
- Gaps between the frame and the inside reveal
- Water coming in at the bottom corners of a door
- Cracked sealant at the sill ends
- Black, perished sealant on frames
Homes close to Pettinain Church include some older properties, and replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Before booking anyone
- Whether all the old sealant comes out first
- How the colour is chosen
- Who turns up on the day
- What happens if they find a problem under the old sealant
What affects the cost of window mastic
The price is agreed before any work begins. It takes into account:
- The number of rooms or windows
- Whether the work is at height
- Any working-time requirements on site
- The amount of work
A few things move the cost up or down: the old material and how easily it comes out, any mould to treat, and whether the work is at height. We take all of that into account in your quote.
Helping us quote
To make quoting easier, let us know:
- Whether it’s a home or a business
- Access, such as stairs, a lift or height
- Pictures of the joints, sent by email
- The rough size of the job
There’s no standard price list. Instead, we send you a clear quote for your job. To arrange one, send an email to info@mrmastic.co.uk.
Leave it or put it right?
Once mastic fails, rain can get between the frame and the wall. Left long enough, it can stain inside walls, spoil plaster and rot wooden frames. A reseal is a much smaller job. Around Pettinain, water from a failed joint in an older stone home can soak into timber and plaster, which is a far bigger job than the sealant.
The cost reflects the work involved, not a rough estimate. That’s why we ask about the job first and agree the price before starting.
Why choose Mr Mastic in Pettinain
- 4.9 on Google from 180+ five-star reviews
- One-year guarantee on every job
- An ARBOMaster approved applicator
- White, clear, grey or another colour, product permitting
Read what affects the cost or customer reviews.
Should I try it myself first?
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is.
The biggest DIY mistake is sealing over old sealant. New silicone won’t bond to old, so it lifts and traps water and mould underneath. All the old material has to come out first.
Places near Pettinain
What else we do in Pettinain
Common questions in Pettinain
Will you come out to Pettinain?
Yes, we do. Our work covers the whole of Scotland, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Can you do window mastic in Pettinain?
Yes, Pettinain is within the area we cover. We work across all of Scotland. You can email us at info@mrmastic.co.uk and tell us what needs doing.
Do the sealants smell?
That depends on the sealant. Some products have a noticeable smell, others very little.
What sealant do you use?
It depends on the joint: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. Brands we use include Arbo and Everbuild.
How long should I leave it?
It depends on the product and the temperature. Before we leave, we will tell you the cure time.
Will new mastic stop draughts?
In many cases. The gap between frame and wall is a common source of draughts, and resealing inside and out closes it.
Can new window sealant be painted?
Most silicone can’t be painted. Let us know beforehand, and we’ll use a paintable product where it suits.
What information do you need?
A short description and the location, with photos by email if possible. We’ll ask anything else we need to know.
Honest limits
To be straight with you, some problems need a different trade:
- Damp coming through the wall itself rather than the frame joint
- Worn gaskets, brush seals or a door that has dropped
- A sash or casement that will not close properly
If in doubt, email us at info@mrmastic.co.uk and we’ll say what we think before booking.
Joints and surfaces we work on
- Aluminium frames
- Patio & French doors
- Window sills
- Composite doors
- uPVC windows
- Timber windows & doors