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Schüco CTB Concealed External Blind, aluminium Sun Protection system

Schüco CTB Concealed External Blind

Micro-louvre sun shading concealed in the curtain wall

Schüco CTB (Concealed Toughened Blind) is an external sun shading system with extruded aluminium micro louvre blades that retract out of sight into the profiles of the Schüco FWS 50 or FWS 60 curtain wall. It keeps the facade visually uniform while still allowing views out through the lowered blind. A single unit can be 650–3000 mm wide and 1000–4000 mm high, up to 9 m² in area. The system withstands wind speeds up to 30 m/s, so it can be used on tall buildings. According to Schüco, less than 2% of solar energy reaches the room at a 50° summer sun angle, reducing cooling costs. The 230 V drive is controlled via KNX with automatic and timer functions, and the blades are anodised.

Fully concealed in FWS 50/60 facade
Micro louvres keep the view out
Wind stability up to 30 m/s
Under 2% solar energy at 50° sun angle
KNX control with timer automation
Anodised aluminium blades
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Manufactured in Liepāja, Latvia
3000+ completed projects
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Specifications

Unit size (W × H)650–3000 × 1000–4000 mm
Max. area9 m²
Wind stability30 m/s
Blade typeAluminium micro louvre blades, horizontal
InstallationIntegrated in FWS 50 / FWS 60 facade
ControlElectric 230 V, KNX, automatic
Surface finishAnodised

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