The COR60 Hidden Sash is a premium aluminum window system by Cortizo engineered for homeowners who demand both exceptional performance and architectural purity. Rated AW-PG55 at standard dimensions and AW-PG90 when reinforced under AAMA standards, it delivers a design pressure of 55.14 psf, near-zero air infiltration, and a forced entry rating of Grade 10 — all within a concealed sash profile that keeps sightlines clean and uninterrupted. With a U-Value of 0.30 and an STC rating of 45 dB, the COR60 Hidden Sash sets the benchmark for thermal efficiency and acoustic comfort in high-end residential applications.
Performance Ratings
- ● AAMA Rating @ 59″ × 99″: AW-PG55
- ● AAMA Rating (Reinforced): AW-PG90
- ● Design Pressure: 55.14 psf
- ● Air Infiltration @ 6.24 psf: 0.06 cfm/ft²
- ● Air Exfiltration @ 1.57 psf: <0.01 cfm/ft²
- ● Water Resistance: 15.04 psf
- ● Uniform Load @ 82.71 psf: <0.01″
- ● Forced Entry (Type B): Grade 10
- ● U-Value: 0.30
- ● STC Rating: 45 dB
Opening Options
- ● Tilt & Turn — Ventilation + full open functionality
- ● Turn Only (Side Hung) — Classic casement-style opening
- ● Tilt Only (Hopper) — Controlled top-inward ventilation
- ● Fixed (Inoperable) — Maximum thermal & structural performance
Profile Specs
- ● Max Glazing Thickness: 1 5/16″ (34 mm)
- ● Profile Thickness: 1/16″ (1.6 mm)
- ● Polyamide Strip Length: 1″ (24 mm)
- ● Frame Section: 2 3/8″ (60 mm)
- ● Sash Section: 2 5/8″ (60 mm)
Maximum Dimensions Per Sash
| Dimension | Imperial | Metric |
|---|---|---|
| Maximum Width | 51″ | 1,300 mm |
| Maximum Height | 96″ | 2,400 mm |
| Maximum Sash Weight | 352.74 lb | 160 kg |
CORTIZO — Authorized Cortizo dealer — European-engineered aluminum systems.
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