Enables ventilation to be incorporated into Metrotile roofing systems. Compatible with .450 and .900 Metrotile Bond profiles. Manufactured to the highest standards. The Metrotile Bond profiles are designed to be aesthetically indistinguishable from traditional clay pantiles, so they can offer the same great visual appeal, with all of the additional benefits lightweight steel roofing provides. Metrotile Bond is available in six colours and pressed from high grade Aluzinc® coated steel - standard for all of our profiles. In addition to our traditional granulated finish, we can now offer elegant Matt Brown and Gloss Black finishes with a non-toxic powder coating. When dry-fixed to the roof, Metrotile profiles are overlapped and fixed via a cross nail method that provides excellent vandal resistance, durability, protection and unmatched resistance to wind lift. Each tile is the equivalent of eight conventional roof tiles and may be fixed from vertical right down to a 10° pitch. Lightweight high grade steel with aluzinc coating for incredible strength and resistance. Comes with a 40 year weatherproof guarantee. Properties Minimum pitch: 10°. Maximum pitch: 90°. Overall depth: 420mm. Overall width: 430mm. Weight: 1.2kg. Air flow: 7,500mm2 free ventilation area.