Each glazing bar on a roof lantern has a top capping that clamps the glass onto gaskets. We carry out glazing bar and capping repairs across Aberdeen and Aberdeenshire, with a guide price from your photos and a fixed price in writing before any work starts.

Signs you need glazing bar and capping repairs
- Gasket rubber poking out, cracked or missing
- Water running down one glazing bar inside
- End caps missing at the bottom of a bar
What usually causes it?
Fixings working loose
Screws and clips that hold the capping relax with thermal movement, so the clamp on the glass weakens.
Damage
Ladders, window cleaning or someone stepping on a lantern can bend a capping or unclip it.
Roof lanterns in Aberdeen and Aberdeenshire
Freeze-thaw cycles open up tired sealant and gaskets faster than mild weather does. A spring check after a hard winter catches most problems before they leak.
Near the coast, salt in the air is hard on aluminium finishes and fixings; washing the frame occasionally and touching in chips keeps corrosion away.
What should you expect to pay for glazing bar and capping repairs in Aberdeen and Aberdeenshire?
Guide price for glazing bar and capping repairs: £165–£395 ex VAT (£198–£474 inc VAT), per lantern. Towers or scaffold, where needed, are priced into the quote. Your fixed price is confirmed in writing before any work starts.
Do you need permission in Scotland?
Most lantern repairs in Scotland need no approval at all. Where a job turns into a replacement, the Building (Scotland) Regulations 2004 apply and we confirm how the work will be signed off before we start. Listed buildings in Scotland need listed building consent from the planning authority for alterations, with Historic Environment Scotland guidance; check before changing a lantern on a listed property.
How does it work?
- Send photosWhatsApp or upload a few photos and tell us when it leaks.
- Guide priceWe reply with a guide price and whether a visit is needed.
- Fixed price in writingYou approve the price and the date before anything starts.
- Repair and testWe fix what's failed, water-test where it matters, and send photos.
Glazing bar and capping repairs in Aberdeen and Aberdeenshire: questions
How much do capping and gasket repairs cost?
Usually £165–£395 ex VAT per lantern depending on how many bars are affected, confirmed in writing before work starts.
Can a capping just be clipped back on?
Sometimes, if nothing underneath has failed. We check the gaskets first, because clipping a capping over a perished gasket doesn't stop the leak.
Which towns in Aberdeen and Aberdeenshire do you cover?
All of Aberdeen and Aberdeenshire, including Aberdeen, Fraserburgh, Inverurie, Peterhead, Westhill. Rural and remote addresses are covered by arrangement.
How do I get a price for glazing bar and capping repairs in Aberdeen and Aberdeenshire?
Send a few photos of the lantern and the problem with your postcode, by WhatsApp or the form. We reply with a guide price and confirm the fixed price in writing before any work starts.
Other repairs in Aberdeen and Aberdeenshire
- Solar control and self-cleaning glass upgrades in Aberdeen and Aberdeenshire
- Aluminium roof lantern repairs in Aberdeen and Aberdeenshire
- uPVC roof lantern repairs in Aberdeen and Aberdeenshire
- Leak investigation and inspection in Aberdeen and Aberdeenshire
- Roof lantern replacement in Aberdeen and Aberdeenshire
- Commercial roof lantern repairs in Aberdeen and Aberdeenshire
Nearby areas
- Glazing bar and capping repairs in Moray
- Glazing bar and capping repairs in Dundee and Angus
- Glazing bar and capping repairs in Perth and Kinross
- Glazing bar and capping repairs in Highlands and Islands
- Glazing bar and capping repairs in Fife
More about glazing bar and capping repairs · All roof lantern repairs in Aberdeen and Aberdeenshire