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Clear Amber  |  SKU: AC220BL

Corrapol-BT Rock n Lock Gable Flashing

£36.72 Ex VAT
£44.06 Inc VAT
Shipping calculated at checkout.
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Nationwide Delivery in 3-5 WORKING DAYS

  • £40 ex VAT Delivery

Need a next-day or named day delivery? Call Us.


Corrapol-BT Rock n Lock Gable Flashing is an incredibly popular patented aluminium side flashing for use with corrugated sheets. Available in six colours across the ranges, Corrapol-BT Rock n Lock Gable Flashing is super easy to install; simply Rock n Lock the side flashing onto the end corrugation of Corrapol clear sheets and then screw to the end rafter of your roof with the fixings provided. Corrapol-BT 'Rock n' Lock' is extruded from aluminium, giving maximum longevity and superior protection for Corrapol clear sheets and Corrapol-BT coloured bitumen corrugated roofing sheets.

Why do I need the Corrapol-BT Rock N Lock Gable?

Corrapol-BT Rock n Lock Gable Flashing was a ground-breaker when launched, and continues to be a very popular must-have product. Not only does it substantially increase the lifespan of the overall corrugated roof at the gable end, but it also makes installation easier, but also creates a more professional and long last finish. Older barge and verge options have tended to be poor quality and bad waterproofing solutions. Here are a few key benefits:

  • Protects vulnerable verge or gable by waterproof robust finishing profile
  • Reduce degradation on the outside edge of BT sheets 
  • Help keeps sheets square across the roof
  • Significantly reduce the chance of sheet uplift in high winds
  • Great colour matching with ridge and sheets
  • Stops the bad practice of folding the sheets over the verge 

These benefits are just some of the reasons why the Corrapol-BT Rock N Lock is one of our most popular innovations and is now used on the majority of Corrapol-BT Roofs.


Does the Corrapol-BT Rock N Lock Gable come with fixings?

Yes, Corrapol-BT Rock n Lock Gable Flashing comes with stainless steel fixing suitable for timber rafters, with colour matching screw caps in any of the six available colour options. 

What ridge do I use with the Corrapol-BT Rock N Lock

Both the Aluminium Super Ridge and DIY Grade Bitumen Ridge can be used with the rock n lock flashing, however, the DIY Grade ridge isn't as easy to match up so we would definitely recommend opting for the Corrapol-BT Super Ridge, which provides the same level of professional waterproofing and aesthetically pleasing finish. 

Technical Details:

  • Estimated Lifespan: 20 Years
  • Material: Powder-coated Aluminium
Need Help? Call our Team on 0115 6976 800

Do You Ship to My Address?

We deliver to most mainland UK addresses. If you are in one of the areas listed below and are unable to checkout, please give us a call to put together a custom quote.

Northern Ireland (BT), Isle of Wight (PO30-37), Isle of Man (IM), Scottish Highlands and Orkney Isles (PA, ML, EH, KA, G, KY, PH, DD, AB, IV, KW), Outer Hebrides and the Shetland Isles (HS, ZE) will incur additional charges and may also experience delivery delays.

How Much Will My Delivery Cost?

You can work out the cost of delivery on your order before checkout by heading to our Delivery Info page.

How Long Will Delivery Take?

We aim to deliver your items in 3 - 5 Working Days unless otherwise specified (eg - Sheds and Paving Kits). After you have placed your order, we will process your order and book a delivery day - which will then be sent to you via Email.

If have a specific request, please do give our team a call on 01156976800 and we will do our best to help.

What If I Need to Return Something?

If for any reason you wish to return your purchase, we will offer a refund or an exchange as long as this is requested within 14 days of receiving your order.

A manufacturer’s restocking charge may also apply on certain products such as non-stock items, which may be up to 30% of the purchase price, and you will be notified of this amount when you request a refund or exchange.

For full information visit our Returns Policy.