Whatever it is sunny or rainy day, can let top hung window opened for ventilation.Aluminium Top Hung Window/Awning WindowProfile Top grade aluminium alloy 6063-T5, non thermal break system, wall thickness: 1.4mmSurface TreatmentPowder coating, anodising, electrophpresis, PVDFGlass double, triple laminated tempered glassHardware High quality made in China ( Kinlong )Flyscreen Fixed screen, fiberglass net(grey/black color)Accessory Full set included, EPDM gasketAdvantage European style,elegant and fashionClip system for easier replacement of the glassCorrosion-resistance, moisture-proof, soundproof, heat insulation and fireproofPackaging:1.Inside wrap the window corner with foam layer and aluminium frame with protective film.2.Out side wrap the window with hard cardboard to avoid dust.3.Put on wooden crate or plywood crate fixed with steel nails.Do not hesitate to show us your desired windows and doors, we will help you find the one that matches you best