Code 5 milled lead flashing: built to perform for over a century
Code 5 milled lead flashing is a 2.24mm thick, milled lead sheet, produced by Roofing Marketplace from 100% recycled raw materials and certified by British Standards (BS 12588). At 25kg/m², it delivers reliable strength and full malleability across a wide range of demanding roofing applications, including flat roofing, pitched roofs, chimney flashings, parapet gutters, dormers, hip and ridge flashing, vertical cladding, bay tops and canopies. It carries the CE mark EN14783, is approved for use by the NHBC, and typically lasts well over 100 years.
Got a question about Code 5 lead flashing? Find the answers below.
Code 5 is one of the most versatile codes in the milled lead range. Here are the most common questions from roofers and contractors.
View All FAQsCode 5 milled lead is 2.24mm thick with a nominal weight of 25kg/m². It is milled from 100% recycled lead and certified to BS 12588.
Code 5 is suitable for flat roofing, pitched roofs, chimney flashings, hip and ridge flashing, parapet gutters, box and tapered valley gutters, bay tops, canopies, apron and cover flashings, vertical cladding, and dormers.
Individual Code 5 flashing pieces must not exceed one metre in length. Regularly spaced expansion joints are required to manage thermal expansion and contraction caused by temperature fluctuations.
Yes. On flat roofs up to 10 degrees pitch, the maximum joint spacing with the fall must not exceed 600mm, and the maximum distance between drips must not exceed 2 metres with Code 5 cast lead.
Yes. Code 5 is manufactured from 100% recycled raw materials and is fully recyclable at the end of life. It carries a BRE Green Guide A or A+ rating, making it one of the more environmentally responsible roofing material options available.
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