The 4.5mm STS Undercloak Fibre Cement Strip is a reliable and durable construction material designed to provide support and protection in roofing applications. Measuring 1200mm x 150mm, this undercloak strip is made from high-quality fibre cement, offering excellent longevity and resistance against weather conditions. It is easy to install and ideal for both professional builders and DIY enthusiasts, providing a cost-effective solution for various construction projects.