72542d13_lations__Windows____Kawneer_UK__Comments
[Window Type] AA®541 Casement Window GT70 Slimline Renovation Window (Top hung outward opening) [Airflow] Good - but less so if restricted opening [Ventilation control] Medium [Weather protection] Very good [Night ventilation] Good [Comments] 
Can reflect noise from below into the room. Can pose a hazard if opening over a pathway or communal/public area
Technical Resource Centre: Product Characteristics / Regulations: Windows -- Kawneer UK
Comments