Leadax is a great lead alternative, yet has a number of beneficial properties. Leadax is both lightweight and flexible, making it easy to use. As well as being an affordable lead alternative, Leadax is a brand that strives towards sustainability, designing products made from recycled materials, which are also recyclable too. Leadax can be used on a number of applications, including chimneys, cavity walls and roofs. This effective lead alternative is available in a range of sizes so you can find the right dimensions for the job.