Plastic Air Brick 9×3 – Ventilator for Cavity Sleeves & Telescopic Underfloor Vents | SB Building Supplies

The 9×3 Plastic Air Brick Ventilator is a durable solution for providing effective ventilation in conjunction with cavity sleeves and telescopic underfloor ventilators (1201 and 1201XL). With a unique stepped front grille that prevents wind-driven rain ingress and a design that allows for stacking to form 9″ x 6″ and 9″ x 9″ configurations, this airbrick is versatile and robust. The equivalent area marking on the front face ensures compliance with BS EN 13141-1:2004 standards. Ideal for use below suspended ground floors or in external walls, this airbrick is essential for maintaining proper ventilation and airflow within building interiors. Uses: Paired with 1201 or 1201XL telescopic underfloor vents to provide ventilation below suspended ground floors. Used with cavity sleeves to ventilate through external walls into building interiors.