Aluminum Tilt & Turn Window, Inward Opening, GD73

Adopting flush sash frames with corner protector, eliminateing all safety hazards; 24mm PA66 Nylon weather strip, ensuring excellent heat insulation performance; Concealed drainage design prevents the water from backflowing while maintaining a simple structure; Adopting isobaric drainage and rain screen with three-level sealing tape, ensuring the waterthightness and air-tightness of the aluminum window; Larger size is optional with a maximum of 800(W)*2200(H), the glass guard rail provides additional safety; Configured with 5mm 27A 5mm hollow glass, offering high energy efficiency and comfort; Performance

Wind resistance	p3≥5.0
Airtightness	q1≤0.5
Watertightness	500≤△p＜700
Sound insulation	35≤Rw Ctr＜40
Thermal insulation	2.0＞k≥1.6