Perth and Kinross · Scotland
Kinnesswood Window Mastic
Mastic around window and door frames, sills and patio doors for homes and businesses in Kinnesswood and across Perth and Kinross. Fully insured, ARBOMaster approved and guaranteed for a year.
- Gaps where the sill meets the wall
- Cold air getting in at the frame edge
- Draughty joints inside around the window
When it is not the sealant
To be straight with you, some problems need a different trade:
- Worn gaskets, brush seals or a door that has dropped
- A frame that has rotted at the joint
- Broken hinges, locks or handles
Not sure which it is? You can drop us a line at info@mrmastic.co.uk and we will tell you honestly.
What we seal
- Patio & French doors
- Window sills
- Aluminium frames
- Timber windows & doors
- Composite doors
- uPVC windows
Window mastic for homes and businesses in Kinnesswood
Mr Mastic’s applicators have more than 20 years’ experience with window and door sealants. We are fully insured ARBOMaster approved applicators, and every job is covered by a 12-month guarantee. We work on aluminium frames, timber windows & doors and window sills, and people most often call us about rain getting in at the frame or under the sill and white mastic on grey or black frames.
Outdoor sealant needs a dry surface, so window work around Kinnesswood is planned around the weather. Let us know about access to every frame, including any upstairs.
The work is guaranteed for twelve months. If something is not right with it in that time, tell us and we will put it right.
- Where
- Kinnesswood (KY13)
- Wider area
- Perth and Kinross
- Cover
- 12 months on all our work
- Price
- Quoted before any work starts
- info@mrmastic.co.uk
- Updated
- 26 October 2026
DIY versus a professional finish
If you are set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly, so just mention it when you contact us.
Keeping the joints in good condition
After the cure time, these simple habits help:
- Look round the frames every year or so
- Paint up to the joint, not over it
- Keep jet washers away from the mastic
- Wipe condensation off the frames
Clean the frames with mild soapy water, and keep solvents and harsh chemicals off the joint.
Draughts get worse, not better. As old mastic keeps shrinking, the gap widens, and heat escapes around the frame. A new joint closes it up.
Kinnesswood questions
Is Kinnesswood in your area for window mastic?
Yes. We work across all of Scotland, and Kinnesswood is part of that. You can send an email to info@mrmastic.co.uk and tell us what needs doing.
What guarantee comes with window mastic in Kinnesswood?
Every job comes with our 12-month guarantee, wherever it is. We’re also fully insured and ARBOMaster approved.
Where is Mr Mastic based?
Mr Mastic is based in Crawley. We cover Kinnesswood and the rest of Perth and Kinross.
Is there any odour?
That depends on the sealant. Some products have a noticeable smell, others very little.
Can new window sealant be painted?
Not if it’s silicone. Tell us your decorating plans and we will pick a sealant to suit.
Do you work for landlords and businesses?
Yes. Domestic, commercial and hotel work are all part of what we do, and we are fully insured.
Can you seal the gap between the frame and the plaster indoors?
Yes. Indoors, we seal between the frame and the plaster or reveal.
Is it messy?
No. We work neatly, protect the area around the joints and tidy up afterwards.
What the job involves on each surface
Patio & French doors
Not every patio door leak is a mastic problem: blocked drain slots, worn brush seals and threshold details can let water in too. We look for the cause first.
Window sills
The end joints of a sill tend to fail before the rest. A tight seal at each end keeps rain out of the wall.
How the visit works
At the end, we look at the finished work together. The visit itself normally takes anything from an hour or two to a full day, depending on how many frames there are, depending on the amount of work. Around Kinnesswood, distance and access matter more than parking. Let us know how to find you and how to reach the joints, and the visit is planned around that.
- Each frame is looked over and we agree which ones need resealing.
- We remove the old mastic and clean the frame edge and wall.
- Deep gaps get closed-cell backing rod to set the depth.
- The new sealant goes on in white, brown, anthracite grey, black or clear to suit.
- We tool each bead neatly and check every joint is closed.
Before we arrive
- Mention any parking rules near the property
- Move anything stored near the joints
- Keep pets and children clear of the area while we work
Get a quote
Every job is quoted individually. Simply drop us a line at info@mrmastic.co.uk and describe the job.
Read more
Do you need window mastic in Kinnesswood?
Plenty of failed mastic was poorly applied in the first place. Sealant run over dust, wet brick or loose mortar never bonded as it should, so it comes away long before its time.
Any of these means the joints need attention:
- Leaking joints at the ends of sills
- Mastic that is falling out in pieces
- Water coming in at the bottom corners of a door
- Untidy mastic left by window fitters
In and around Kinnesswood, as anywhere, good window mastic starts with a clean, dry, properly prepared joint.
Comparing quotes
- How long the guarantee is
- What product goes in the joint
- Is VAT in the price?
- Whether they’re fully insured
What happens if it’s left?
Choosing the product is half the job. Decorators’ caulk and bathroom silicone are not designed for outside joints that move. A low-modulus exterior sealant keeps its stretch through hot and cold weather. When the nearest tradesperson is a drive away, it’s tempting to leave a small leak, but water through a failed joint keeps working away until it’s fixed.
What you pay reflects the work, not a rough estimate. That’s why we ask a few questions first and give you a clear quote before any work starts.
What you get with us
- A choice of colours where the product allows
- A 12-month guarantee on all work
- 180+ five-star Google reviews
- Tidy, careful work
See our cost guide and customer reviews.
Windows and doors in Kinnesswood
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, and the joint between the box frame and the stone or render is traditionally pointed with sand mastic.
In the older streets around Easter Balgedie church, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Kinnesswood is about 6 miles west of Glenrothes, in Perth and Kinross. Wherever you are in the KY13 postcode area, our applicators can take on window mastic. Our Perth and Kinross coverage runs to 107 places, and Kinnesswood is one of them. Edinburgh is on our list too, around 19 miles away.
Every address in KY13 is covered for window mastic. We cover properties on Main Street, The Cobbles and Back Dykes Road and the roads around them. Nearby, we also carry out window mastic in Scotlandwell (1 mile south-east), Wester Balgedie (1 mile north-west), Glenlomond (1 mile north-west), Ballingry (3 miles south) and Milnathort (4 miles west). Larger places within reach include Perth (14 miles north), Kinross (4 miles west), Letham (14 miles north-west), Scone (15 miles north), Tulloch (15 miles north) and Oakbank (13 miles north-west).
Landmarks near Kinnesswood
Well-known places in the area include Loch Leven Castle (2.5 miles west) and Glenrothes Hospital (5.7 miles east). Open spaces near Kinnesswood include Loch Leven National Nature Reserve and West Lomond.