Code 8 milled lead sheet: maximum thickness, long-term performance
Code 8 lead flashing is the heaviest and thickest milled lead available, with a 3.55mm thickness and nominal weight of 40.3kg/m². Produced from 100% recycled raw materials using a precision milling process, it delivers outstanding resistance to deformation, thermal movement, and long-term creep. Certified to British Standards BS 12588 and CE marked to EN14783, it is built to last well over 100 years.
Common questions about Code 8 lead flashing
Code 8 is the thickest option in the Milled Lead range. These answers cover its key specifications, applications, and installation requirements.
View All FAQsMilled Code 8 lead measures 3.55mm thick with a nominal weight of 40.3kg/m², making it the heaviest and most robust code in the Milled Lead product range.
Code 8 is suited to flat roofing, pitched roofs, parapet details, box and tapered valley gutters, bay tops, canopies and dormers where maximum thickness and load-bearing performance are required.
Code 8 milled lead typically lasts over 100 years.
Yes. It holds BS 12588 certification, CE marking to EN14783 and is approved for use by the NHBC. All Milled Lead sheets are manufactured from 100% recycled raw materials.
Individual Code 8 flashing pieces must not exceed 1 metre in length. Regularly spaced expansion joints are required to account for thermal expansion and contraction due to temperature fluctuations.
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