The Corrapol-BT Rock n Lock Aluminium Wall Side Flashing in Black is a high-quality, durable solution for your roofing and flashing needs. Measuring 130 x 70mm x 3m, this aluminium wall side flashing is designed to provide a reliable, waterproof barrier that effectively prevents seepage. The Rock n Lock system provides easy installation, making it ideal for both DIY and professional use. Its sleek black finish adds an aesthetic charm to any construction while ensuring long-lasting protection against the elements.