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Steel-Reinforced Multi-Chamber UPVC Casement Windows

Steel-Reinforced Multi-Chamber UPVC Casement Windows Overview | BLOSSOM CHEER

Engineered for coastal high-rises, our steel-reinforced UPVC casement windows combine 1.5mm galvanized cores and multi-chamber walls for extreme wind resistance and low U-values.

Key Benefits of Steel Reinforced UPVC Casement Windows | BLOSSOM CHEER

1.5mm Galvanized Steel Cores Eliminating Long-Term Sash Drooping

Load-bearing hinges anchor directly into internal steel ribs, supporting 80kg sashes without sagging or frame scraping.

Multi-Chamber Insulation Delivering U ≤ 1.3 W/(m²·K) Efficiency

Multi-cell polymer barriers interrupt conductive paths, optimizing HVAC performance and stopping winter frame condensation.

Co-Extruded EPDM Gasketing Securing Class 4 Air Tightness

Continuous dual perimeter seals compress under multi-point locking cams, eliminating air drafts and blocking ambient fine dust.

Factory CNC Pre-Machined Hardware Slots Securing ±0.5mm Fitment

Lock tracks and weep holes are CNC-machined to ±0.5mm tolerances, halving jobsite installation labor without errors.

CAD sectional detail of a 1.5mm galvanized steel core interlocked with a multi-chamber UPVC profile
CAD sectional detail of a 1.5mm galvanized steel core interlocked with a multi-chamber UPVC profile
30,000-cycle hardware opening and closing fatigue test for a UPVC casement window

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