The Penosil Lead Flashing 385 Roof and Flashing Silicone is a high-performance sealant, perfectly designed to withstand the harshest of weather conditions. Ideal for use on roofs and flashings, it comes in a 300ml size and is available in an appealing grey shade. It is supplied in a box of 24 cartridges, providing ample quantity for large scale projects. This silicone is crafted to offer excellent adhesion to lead, making it a reliable choice for professionals or DIY enthusiasts alike.