Aluminium expanded metal on both sides with a layer of modified polyvinyl butyral, with a removable protective film on either side of the product. Leadax is patented. Manufactured from waste material, destined for landfill. This makes Leadax unique as a lead alternative and contributes to making the world more sustainable. Roll lengths of 6 metres (3.85 kg per square metre and thus 75% lighter than 18 pounds or code 4 lead).

Features and Benefits

  • Quick and easy
  • 6m roll lengths
  • Lightweight
  • Flexible
  • BBA Certified
  • Sustainable
  • Non-toxic
  • -15°C to +100°C
  • Durable
  • Leadax has the same natural look as traditional sheet lead
  • Leadax leaves no staining on roof tiles or masonry
  • The life expectancy of Leadax is at least 30 years
  • Leadax is a fully circular product

Uses

  • Leadax can be used as a water barrier in (cavity) walls and under casings
  • At the intersection between chimney bases and roof tiles
  • At chimney flashings to provide a water barrier
  • Leadax can be applied to the base of dormers and skylights as a waterproofing layer at the joint between dormer side walls and tiled roofs
  • As a watertight connection between an outside wall and an extension. Use Leadax masonry clips to attach Leadax to masonry joints
  • Leadax can be used as valley gutters and waterproofing on the ridges of (tiled) roofs

£4.99 Standard Delivery, or FREE on most orders over £99* (some exclusions apply)

£9.99 Next day delivery is available for orders places before 12 noon. Any orders placed for next day delivery after this time, will take 2 working days to be delivered.

Working/delivery days are Monday to Friday, deliveries will not normally be made Saturday or Sunday.

We offer a 30-day returns policy on on the majority of our items*, as long as the item is unused, undamaged and unopened**. We only ask that the postage is covered by yourself. 


* Please see our delivery page for further details on specific exceptions.

** Some products that are made to order or personalised cannot be returned.

***Exclusions apply for items shipped directly from our suppliers, and some big & bulky items may incur an additional charge. Please see our delivery page for full details. 

Showing our 3 Leadax Lead Replacement Flashing reviews with an average rating of Excellent. Would you like to write a review?
Review Summary - 5 out of 5 based on 3 ratings.
June 3, 2025 | Alex
Leadax Lead Replacement Flashing

Nice lead substitute - almost as malleable as lead to work and looks great!

October 25, 2024 | Chris
Leadax Lead Replacement Flashing

Very easy to work with feels very robust, fingers crossed has done the trick

October 6, 2024 | David JONES
Leadax Lead Replacement Flashing

Good product

Cromar Leadax Lead Replacement Flashing

  • From 55,79 €
  • (Delivery from 5,57 € )
Item in Stock   |   Usually dispatched within 24 hours
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Free UK Delivery on most orders over £99
Delivery Rates & Information

Delivery Options

Standard Delivery: £4.99 - Free for all orders over £99.*
Next Day Delivery: £9.99 - Available for orders placed before 12:00 PM (Noon).

Important Delivery Notes

Next Day Delivery Cut-off: Orders placed after 12:00 PM (Noon) using Next Day Delivery will be delivered within two working days.
Working Days: Our standard delivery and shipping days are Monday through Friday. We do not normally deliver on Saturdays or Sundays.

Easy 30-Day Returns

We want you to be happy with your purchase! We offer a 30-day returns policy on all items, provided the following conditions are met:
  • The item is unused and undamaged.
  • The item is returned in its original packaging.
  • The customer is responsible for the return postage costs.

Combining Your Order

We always strive to combine your order into a single delivery. However, your order may arrive in multiple shipments if it contains:
  • Items from different warehouses (Standard items).
  • 'Direct' items (These are shipped separately and directly from the supplier) and will arrive separately from other items in your order.

*Exclusions & Additional Charges

The following items may be excluded from standard shipping rates or may incur extra delivery charges:
  • Items Shipped Directly from Suppliers ('Direct' items).
  • Certain Large or Bulky Items.
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