Aluminium Roof Flashing 18in x 18in Base x 4in Pipe RS1

18inch x 18inch x 4inch/110mm pipe Aluminium Roof Flashing (MacFlash). Suitable for flat roofs and roof pitches up to 45 degrees Special corrugations that can be easily dressed to form a seal Can be used with flue pipes for condensing boilers Collar die-formed to flashing and manufactured from synthetic rubber to British Standards Easy to install and use