Part Number: 7666
Air Brick AIR 920 - 9" x 3" - Brown
This polypropylene interlocking airbrick has been designed for a wide range of ventilation applications. 20mm deep louvers set at 43° to act as barriers against driving rain, a two step integral water barrier has also been incorporated. All Airbricks are supplied with mortar key and keyed surface permitting painting if required. Exceeds the requirements of BS 5540-2 and BS 493.
Overall size: 9" x 3".
Free area: 78 cm² (12 sq. inch).
|Standards||BS 5440 Part 2 and BS 493|
|Dimensions||9" x 3"|
|Free Area Size||78 cm²|
|Size||9" x 3"|
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