Aluminum Casement Window with Flyscreen, Outward Opening, GD135

Multi-chamber construction with 27mm weather strip to insulation the heat; Three sealing levels of EPDM rubber gasket to enhance the sealing effect, thus achieving better watertightness, airtightness, sound insulation and heat insulation performance; Adopting flush sash frames, flyscreen with corner protector, eliminating all safety hazards; Concealed drainage design ensures smooth drainage while maintaining a simple structure; Sound insulation cotton can be optionally added to improve the thermal insulation performance; Configured with 5mm 27A 5mm glass, the eletric/mannual louvers are optional for high energy efficiency and comfort; Openable guard rails are optional; Performance

Wind resistance	p3≥5.0
Airtightness	q1≤0.5
Watertightness	△p≥700
Sound insulation	35≤Rw Ctr﹤40
Thermal insulation	2.0＞k≥1.6