Solar flashings are required to provide a durable water-tight seal where pipes and cables penetrate the roof.
These are recommended for MCS approved installations.

Solar flashing (Silicone - High temperature). Terracotta-coloured silicone seal with grey lead base.  Silicone seal withstands -50°C to 200°C, and up to 250°C intermittently. Suitable for solar thermal and solar photovoltaic (PV) applications. Dimensions: sheet 410 x 490 mm, pipes/wires 0-35 mm.