Fitted with optional aluminium or stainless steel gauze, Diamond security screens are suitable for bushfire prone areas. With stainless steel gauze, the Diamond designs are approved up to the extreme Bushfire Attack Level 40 (BAL 40). Diamond designs with aluminium gauze are approved up to BAL 29. The Australian Standard for construction of homes in bushfire prone zones (AS 3959) simply states that openable windows must be screened with corrosion-resistant steel, bronze or aluminium mesh with an opening of less than 2 mm x 2 mm. You can rely on Prowler Proof Diamond designs – even in a bushfire.