ARCH Invisible Opening Mechanism for Tilt & Turn Windows

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Vetrina’s exclusive Arch Invisible window frame design features a completely invisible opening mechanism for Tilt & Turn windows. This incredibly thin window frame features ultra-slim sashes complemented by concealed handles and hinges, providing a streamlined modern look with excellent thermal efficiency and acoustic insulation.

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The handle and hinges of an Arch Invisible window are fully integrated within the sash, which makes them completely invisible, perfect for unobstructed panoramas and clean contemporary interiors. Designed for COR 70 HIDDEN SASH and COR 80 HIDDEN SASH aluminum window systems.

ARCH INVISIBLE - FUNCTIONALITY AND INTRODUCTION

Compatible with the following Systems:

Featured

COR 70 Hidden Sash System

Capabilities: Tilt & Turn Windows • Turn Only (Side Hung) Windows • Tilt Only (Hopper) Windows • Fixed (Picture) Windows • Ribbon Windows

Our COR-70 Hidden Sash with Thermal Break is a unique Euro-Groove Window System that combines functionality, ease of operation, and attractive form factor. The hidden sash design is made possible by incorporating concealed gearings and specially designed hidden hardware in a modern ultra-slim frame.

PERFORMANCE & TECHNICAL SPECS:
AAMA Rating @ 59” x 99”: AW-PG70
Design Pressure: 70.18 psf - 0.02”
Air Infiltration @ 6.24 psf: <0.01 cfm/ft²
Air Exfiltration @ 1.57 psf: <0.01 cfm/ft²
Water Resistance: 15.04 psf (pass)
Uniform Load @ 105.27 psf: <0.01”
Forced Entry: Type B - Grade 10
U-Value: 0.27 | STC: 44 dB
Maximum Glazing Thickness: 2-1/8” (55mm)
Profile Thickness: 1/16” (1.5mm)

Downloads:
Spec Sheet | CAD Drawing | AAMA Test Results

COR 80 Hidden Sash System

Capabilities: Tilt & Turn Windows • Turn Only (Side Hung) Windows • Tilt Only (Hopper) Windows • Fixed (Picture) Windows • Ribbon Windows • Interior Swing Doors

The COR-80 Hidden Sash with Thermal Break features a premium profile with excellent performance parameters. With 3-1/8” of frame depth, it responds admirably well to even the most severe climatic demands. Its exceptional thermal performance is attributed to a combination of thermal breaking zones and 1-3/8” & 1” polyamide strips distributed strategically throughout the system structure. COR80’s glazing capacity allows for triple glazing for unparalleled thermal performance in residential and commercial applications.

Profile thickness: 1/16”
AAMA Rating: AW-PG80
Air Infiltration: 0.01 cfm/ft²
Water resistanc: 12.11 psf
U-Value: 0.15 Btu/h · ft2 · F
STC: 46dB
Maximum glazing thickness: 2”

Downloads:
Spec Sheet | CAD Drawing