Argyll and Bute · Scotland
Window & door mastic in Tom nan Ragh, Argyll and Bute
Professional window mastic in and around Tom nan Ragh, with every bit of old sealant taken out first and a 12-month guarantee.
- White mastic on grey or black frames
- Water coming in at the bottom corners of a door
- Black, perished sealant on frames
Window mastic in Tom nan Ragh, done properly
Behind a thin line of old mastic there’s sometimes a deep void. Packing it solid with sealant gives a joint that can’t flex, so deep gaps get backing rod first. That way the new bead bonds to the frame and the wall only. We’re often asked to deal with gaps where the sill meets the wall and water coming in at the bottom corners of a door, across timber windows & doors, aluminium frames and window sills.
Across smaller places in Scotland, homes range from stone and harled cottages to newer houses, many standing in the open. Wind-driven rain finds any gap around a frame or sill, so the mastic there works hard.
Each job carries a 12-month guarantee, large or small.
- Where
- Tom nan Ragh (PA23)
- Wider area
- Argyll and Bute
- Guarantee
- One year on every job
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Common problems we fix in Tom nan Ragh
Every frame moves through the day. Sun on a frame makes it expand, and it contracts again overnight, while the brick or render around it hardly moves. A sealant that cannot keep up eventually tears.
These are the problems we’re asked about most:
- Cracked or shrunken mastic around the frame
- White mastic on grey or black frames
- Gaps left after new windows were fitted
- Cracked sealant at the sill ends
If you live in an older home near St Munn's Parish Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
What to look for in a quote
- Who turns up on the day
- How hidden problems are handled
- Whether you can choose the colour
- Is VAT in the price?
How it works
Most of a good job is in the preparation, so that’s where we spend the time. Every joint is cleaned and dried before new material goes in. In total, it usually takes a few hours for a handful of frames, longer for a whole house. Outdoor work around Tom nan Ragh depends on the weather, as sealant needs a dry surface, so an outdoor job can move if the forecast changes. Work indoors isn’t affected.
- We start by checking each window and door with you.
- We remove the old mastic and clean the frame and the wall.
- Deep gaps are filled with backing rod to set the depth.
- A flexible, weatherproof sealant is applied in a colour to suit the frame.
- Finally we tidy up and check each joint.
Preparing for the visit
- Clear the area around the work
- Mention any parking rules near the property
- For indoor joints, keep the area dry beforehand if you can
Get a quote
Every job is quoted individually. Simply send an email to info@mrmastic.co.uk and describe the job, and pictures are welcome.
Advice
Different surfaces, different methods
Patio & French doors
Heavy door frames can move more than windows. A flexible sealant copes with that.
Composite doors
Front doors take the weather head on, and the top and bottom corners tend to fail first. Those corners get the most care.
Windows and doors in Tom nan Ragh
Tom nan Ragh is within about 1 mile of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That is hard on the mastic around window and door frames, especially on the side facing the sea. 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 and around Tom nan Ragh, as anywhere, good window mastic starts with a clean, dry, properly prepared joint.
Tom nan Ragh is about 8 miles north-west of Greenock, in Argyll and Bute. Homes, rented property, offices and hotels in Tom nan Ragh is covered for window mastic. Every job comes with our 12-month guarantee. 118 places in Argyll and Bute are on our list, from the larger towns to small villages. Glasgow is on our list too, around 29 miles away.
Postcode districts we cover here for window mastic: PA23. We also cover Kilmun (1 mile east), Sandbank (2 miles south-east), Strone (3 miles east), Dunoon (3 miles south-east) and Kirn (3 miles south-east). Further out, we also cover Helensburgh (10 miles east), Rothesay (11 miles south), Rhu (8 miles east), Garelochhead (8 miles north-east), Port Bannatyne (10 miles south-west) and Innellan (7 miles south). For island and remote addresses, the job takes a little more planning.
Near you in Tom nan Ragh
Nearby you’ll also find Castle House Museum (3.7 miles south-east) and Cowal Community Hospital (2.8 miles south-east). For a walk, there’s Clach Bheinn and Loch Loskin.
How we quote for window mastic
Some jobs are bigger than they look, and some smaller. What affects the quote:
- Whether the work is at height
- Which sealant suits the joint
- The size of the job
- How much old sealant there is and how hard it is to remove
The cost depends on the size of the job, how hard the old material is to remove and access to the work. You’ll have a clear quote before any work starts.
What to tell us for a quote
Photos help, but a description is a good start. Please mention:
- Pictures of the joints, sent by email
- How many joints, rooms or windows are involved
- Any previous sealing or DIY work
- How we’d reach the joints
Asking for a quote is easy: tell us what needs doing and where. Photos by email help us understand the job, and we’ll come back to you with a quote.
When something else is needed
We’d rather tell you now than do work that will not last, so here’s what sealant cannot put right:
- Soft or decayed wood in the frame
- Faulty window hardware
- Damp problems in the wall away from the window
If you’re not sure, just drop us a line at info@mrmastic.co.uk and we will give you a straight answer before booking.
Where we work in Tom nan Ragh
- Timber windows & doors
- Composite doors
- Aluminium frames
- Window sills
- Patio & French doors
- uPVC windows
DIY versus a professional finish
The biggest DIY mistake is sealing over old sealant. Silicone doesn’t stick to old silicone, so it peels away and traps moisture behind it. All the old material has to come out first.
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas need the right product, the right access and the right method.
Questions from Tom nan Ragh
Does living near the coast affect window mastic in Tom nan Ragh?
Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. Choosing the right sealant for the frame and wall, laid at the right depth, helps it last.
Do you cover Tom nan Ragh for window mastic?
Yes, Tom nan Ragh is within the area we cover. We work across all of Scotland. Just drop us a line at info@mrmastic.co.uk with a few details of the job.
Can you reach windows above the ground floor?
Yes, as long as they can be reached safely. Let us know about access when you ask for a quote so we can plan the job.
Can you do several jobs on one visit?
Of course. Doing several areas at once is usually more efficient.
How much does window mastic cost in Tom nan Ragh?
We don’t publish prices, because the cost depends on the job: how much there is, what’s there now, how we reach it and what it needs. You will get a clear quote before work begins.
Which products do you use?
We choose the sealant for the joint, not the other way round. Where it moves, gets wet or faces the weather makes a difference.
Will new mastic stop draughts?
It will if the frame joint is the problem. We check where the draught is before work begins.
Can new sealant go over the old?
No. Fresh sealant doesn’t stick to old sealant, and it traps any mould or water underneath. It all has to come out first.
What else we do in Tom nan Ragh
How to look after the new joints
Good habits help new joints last longer. Our tips:
- Keep drainage slots and sill grooves clear
- Paint up to the joint, not over it
- Look round the frames every year or so
- Don’t use solvent cleaners on the joint
A yearly look round the frames is enough. Cracks and lifting edges are easy to spot early, and if anything looks wrong, just drop us a line at info@mrmastic.co.uk.
Draughts get worse, not better. As old mastic keeps shrinking, the gap widens, and heat escapes around the frame. Resealing closes it.