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What is code 4 lead flashing used for?

Calder code 4 leadCode 4 lead flashing is used for a range of roofing applications, including soakers, flashings and vertical cladding. It’s 1.8mm thick and weighs 20.41 kg/m2. This makes it a malleable and workable product that can be used easily in a wide range of settings.

Code 4 lead flashing from Calder is available to purchase in 6-metre and 3-metre rolls, as well as cut to the exact dimensions you require. Looking for different lead code advice? Use our table to work out which code of lead flashing you need for your project.

Code 4 lead flashing soakers

Code 4 lead flashing is often the first choice for soakers. This is because it’s the maximum allowed thickness that soakers can be. Using a thicker lead code can mean that tiles or slates don’t lay properly, due to the materials beneath them. Therefore, all soakers must be supported properly to serve their function.

Other applications of code 4 lead

As previously mentioned, code 4 lead can be used for many roofing applications. At 1.8mm thick, it serves the minimum required thickness for all flashings. This includes window flashings, apron and cover flashings, chimney flashings, step flashings and more. Use code 4 lead flashing for vertical cladding, too.

For more advice or guidance, contact our friendly, helpful advisers on 01752 692 760. Alternatively, use the live chat function in the bottom right-hand corner of our website. We also recommend that you read Calder’s Guide to Good Leadwork for more information.

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