6063-T5 aerospace-grade aluminum, multi-chamber structure

Profile wall thickness: 2.0mm

Sandblasted injection corner codes for secure and stable connection

One-piece bent hollow aluminum strip for enhanced sealing performance

Outer frame thickness: 115mm

Inner sash thickness: 81mm

Visible sash interior width: 60mm

Type 1 thermal insulation for improved efficiency and strength

Wrapped EPDM rubber seals

S+18A+5 original XinYi glass

European standard groove hardware solution

304 stainless steel screen mesh, 0.8mm thick wire

Ultra-slim fixed guardrail for enhanced safety and aesthetics

Injection sealing / No internal or external caulking required

Hollow layer filled with moisture-proof molecular sieve

Isothermal alignment design

Opening frame B-cavity design

Three seals on outer frame for better sound and thermal insulation

7-chamber outer frame design