Product Features

Built Tough for Exterior Storm Protection

Reinforced design boosts strength and stability, ideal for high-performance exterior storm windows.

Clean, Modern Lines for a Premium Look

Smooth curved profiles create a stylish finish trusted by professional window contractors.

Energy-Saving Thermal Structure

Isothermal design reduces heat transfer and keeps indoor comfort steady year-round.

Smart Remote-Control Opening for Effortless Convenience

Supports remote-controlled opening and closing, giving you hands-free operation and modern smart-home comfort while maintaining strong weather protection.

Multi-Layer Sealing for Long-Lasting Performance

Reinforced corners and full sealing system ensure durability and compatibility with custom window screens.

Product Parameter

Category	Specification
Standard Colors (Interior & Exterior)	Black crystal stone / Dark coffee/Metal grey
Glass(Optional Upgrades)	ALWEW standard
Hinges	Outward top-hung: CMECH; Awning window: KIN LONG; Other window types: ALWEW
Handle	ALWEW
Sealing System	Haida sealing strips
Thermal Break Strip	Alwew proprietary insulation strip
Sash Size Range (Outward Open)	Width 400–750 mm; Height 500–3000 mm
Thermal Insulation (W/m·K)	Level 6
Sound Insulation (dB)	Level 4
Water Tightness (Pa)	Level 6
Air Tightness	Level 8
Wind Resistance (KPa)	Level 9