This roof flashing is made of a high-grade aluminium and includes a die-formed synthetic rubber collar. It is suitable for flat roofs and roofs with a pitch of up to 45 degrees. This flashing is quickly and easily installed, offering cost savings in materials compared to traditional lead roof slates. It features special corrugations that can be easily dressed to form a seal and can be used with flue pipes for condensing boilers. Manufactured to British Standards, the collar is die-formed to the flashing and made from synthetic rubber.