The VENT Systems BAL Vent 25mm is specifically designed for the Australian market to comply with National Construction Code 2022 Vol 1: F8D5/ABCB Housing Provisions Standard 10.8.3. and Clause 3.6 of AS3959:2018, meeting BAL compliance up to BAL29. Engineered to expel air from the roof void using natural convection, as warmer air rises, or through negative pressure generated by wind passing over the roof. Featuring an adhesive and aluminium flashing, the BV25 will adhere to timber roof battens, Metal top hat purlins and any sarking type effectively preventing water ingress, creating a BAL defence at the point where the sarking is terminated and ensuring calculated airflow. It’s designed specifically for use with Metal roof types, abutments and parapet details where 25,000mm²/lm is required.
$213.54
