Sometimes the design of a roof dictates that a traditional lead lined gutter installation would not be suitable, as the necessary drip provision cannot be fulfilled.Calder gutter expansion joint has been designed to overcome this common problem and provide a cost-effective, durable and easy to install solution.The joint comprises two lead strips which are connected by a high-quality, double sided and vulcanized, EPDM synthetic rubber band.Each expansion joint has a 10 year guarantee.Key Features: 3m x 400mm Expansion Joint