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Lincolnshire · DN32

Flat roof junction and flashing repairs in Grimsby

Dealing with a leak where the roof meets the lantern in Grimsby (DN32)? We re-make the membrane, trims and flashing where the flat roof meets the lantern kerb, with a fixed price agreed in writing first.

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The junction where the flat roof covering meets the lantern kerb is a weak point on many extensions. Send photos from Grimsby (DN32) and we'll tell you which it is — with the price agreed in writing before any work.

Newly trimmed flat roof junction and flashing tape around a roof lantern kerb

Is it time for flat roof junction and flashing repairs?

  • Splits, blisters or lifted edges in the roof covering by the kerb
  • Missing or loose edge trims and flashings
  • Ponding on the roof next to the lantern

What usually causes it?

Unbonded membrane

EPDM or single-ply that has come away from the kerb lets water run behind it.

Missing trims

Without a trim or flashing to protect the top edge, water gets in behind the membrane.

Roof lanterns in Grimsby

Drier, sunnier parts of the UK are kinder to seals than the wet west, but strong sun ages sealant, gaskets and plastic end caps, and south- or west-facing lanterns can make rooms very warm. Solar control glass and an opening vent help.

Coastal wind drives rain hard against lanterns, so cappings and ridge seals on the seaward face take the most punishment.

Grimsby is around 30 miles from Lincoln, and both are within our Lincolnshire coverage.

If you're just outside Grimsby, we also cover Cleethorpes (2 miles), Hull (16 miles), Scunthorpe (24 miles).

How much should it cost?

Guide price, per lantern£245–£695 ex VAT£294–£834 inc VAT

Guide price for flat roof junction and flashing repairs: £245–£695 ex VAT (£294–£834 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 England?

Most lantern repairs in England need no approval at all. Where a job turns into a replacement, the Building Regulations 2010 apply and we confirm how the work will be signed off before we start. Listed buildings need listed building consent from the local council for alterations, and conservation areas can have extra controls; like-for-like repairs are treated differently from changes, so check with the council's conservation officer first.

How does it work?

  1. Send photosWhatsApp or upload a few photos and tell us when it leaks.
  2. Guide priceWe reply with a guide price and whether a visit is needed.
  3. Fixed price in writingYou approve the price and the date before anything starts.
  4. Repair and testWe fix what's failed, water-test where it matters, and send photos.

Flat roof junction and flashing repairs in Grimsby: questions

Can you repair a lantern someone else installed in Grimsby?

Yes. We repair lanterns whoever fitted them. If yours is still under the installer's warranty, contact them first so you don't affect it.

Which places near Grimsby do you cover?

As well as Grimsby, we cover nearby Cleethorpes, Hull, Scunthorpe, Beverley and the rest of Lincolnshire.

Do you repair the whole flat roof?

We repair the area around the lantern. If the wider roof is failing we'll tell you and can quote, but we won't push a new roof if a local repair will do.

Can you repair a GRP roof without it showing?

Repairs are colour-matched as closely as possible, but new topcoat next to weathered topcoat can look slightly different at first.

Other lantern repairs in Grimsby

Flat roof junction and flashing repairs near Grimsby

More about flat roof junction and flashing repairs · All roof lantern repairs in Grimsby

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