The Calder Code 4 Roof Lead Flashing - 300mm x 3m is a highly durable and versatile solution for waterproofing and weatherproofing various areas within your roof structure. Manufactured by the reputable brand, Calder, this product is lead-based, ensuring longevity and top-notch performance. Its designed to be malleable and easy to shape, making it ideal for various applications including valleys, chimneys and abutments. Its size of 300mm x 3m offers enough coverage for most roofing jobs.