From Calder
Calder’s flexislates are a durable, high-performance and easy to install pipe sleeving product. Manufactured with a combination of a code 4 lead 450 mm x 450 mm base and a bonded EPDM synthetic rubber sleeve.Flexislates are recommended to ensure a weather tight seal be formed around pipes, aerials and similar items that penetrate tile, slate or built-up felt roofs.Available: Flat