Ubbink's UB30 Mendip WEP is a pre-shaped flashing unit to suit:
Redland, Grovebury
Marley, Mendip
Sandtoft, Double Pantile
A practical and aesthetically pleasing method for penetrating a pitched roof covering with horizontal pipework or cabling. This WEP system eliminates the need for installing lead Flashings around pipe exit points, as well as the need to cut any of the surrounding tiles or slates.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Ubbink (UK) is consulted before specifying.
Ubbink (UK) hasn't formatted technical specifications for UB30 MEN Water Expansion Pipes yet.
Please check out the similar products section for alternatives. Hint: products with have technical specifications.