For use in conjunction with the telescopic underfloor ventilator for providing ventilation below suspended ground floors. Also in conjunction with cavity sleeves for ventilation through external walls to a building interior.
- 9x3 with clip together facility allows multiple airbricks to be stacked
- 6.5mm wide front grille openings comply with BS 5440 Pt 2
- Complies with British Gas requirements
- Equivalent area of 6170mm2 per brick
- Unique stepped front grille greatly reduces entry of wind driven rain
Tags: 6512001ABG