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Curtain walls · Stick system

SY50

Curtain wall, captured and SSG.

The SYKON Superior SY50 is a 50 mm stick curtain wall system for conventional captured glazing as well as 2-side and 4-side structural silicone glazing (SSG) applications. Suitable for external and internal façade applications.

50mm

Sight line

250mm

Mullion depth, maximum

4000Pa

Wind, safety · ASTM E330

38dB

Acoustic, Rw

SY50 conventional curtain wall
  • 50 mm sight line
  • Mullion depth 50 to 250 mm
  • Two-level EPDM sealing
  • Glazing up to 50 mm

01 · Overview

Product overview.

Allows integration of top-hung windows, parallel opening windows, tilt & turn windows, and integrated door systems. Wide structural range (50 to 250 mm depth) with maximum inertia Ix = 1,496.96 cm⁴.

02 · Specifications

Technical specifications.

Technical Specifications

Sightline Width
50 mm
Aluminium Alloy
EN AW 6063
Mullion Depth
50 to 250 mm
Max Inertia
Ix = 1,496.96 cm⁴
Glazing Type
Single/Dbl/Triple
Max Glazing
Up to 50 mm
Sealing
Two-Level EPDM

Certifications & Performance

Air Infiltration, ASTM E283
Up to 750 Pa
Water (Static), ASTM E331
1200 Pa
Water (Dynamic), AAMA 501.1
750 Pa
Wind (Serviceability), ASTM E330
2000 Pa
Wind (Safety), ASTM E330
4000 Pa
Acoustic, Rw
38 dB

03 · Performance

Tested performance.

Measured Performance (Representative Sample)

ParameterValue
Air (fixed @ +300 Pa)4.2 m³/h
Air (operable @ +300 Pa)2.7 m³/h
Air after thermal cycling (fixed)5.1 m³/h
Air after thermal cycling (operable)2.9 m³/h
Water (static)No ingress
Water (dynamic)No ingress
Thermal cycling3 full cycles completed

Wind Deflection

MemberPeakResidual
Mullion (1.5× load)±11.5 mm±0.3 mm
Transom (1.5× load)±0.2 mm±0.1 mm
Mullion (2.0× load)±16.4 mm±1.6 mm
Transom (2.0× load)±0.5 mm±0.4 mm

Two-level EPDM sealing. Water tightness 1200 Pa, ASTM E331. Inter-storey displacement ±10 mm.

04 · Configurations

Opening types.

  • Parallel Projected Outward
  • Parallel Projected Inward
  • Top-Hung Vent
  • Tilt & Turn Vent
  • Captured Glazing
  • Projected Inward

05 · Details

Details and highlights.

Mullion Depth Options

ConfigurationDepth
Standard 5050 mm
Standard 7070 mm
Standard 9090 mm
Standard 110110 mm
Standard 130130 mm
Standard 145145 mm
Standard 155155 mm
Standard 175175 mm
Standard 200200 mm
Standard 225225 mm
Standard 250250 mm

Reinforcement Options

System DepthReinforcement
50 mm40 × 40 mm insert
70 mm60 × 40 mm insert
90 mm80 × 40 mm insert
110 mm100 × 40 mm insert
130 mm120 × 40 mm insert
145 to 157 mm130 × 40 / 140 × 40 mm
175 mm160 × 40 mm insert
200 to 221 mm200 × 40 mm insert
220 to 250 mm220 × 40 mm insert

Glazing Range

ConfigurationThickness
Captured single/double6 to 16 mm typical
Double glazing (multi)Multiple configs
SSG Double glazing24 to 50 mm
Tested Config28 mm (6+16+6)

Key Technical Highlights

  • 50 mm slim sightline
  • Wide structural range (50 to 250 mm)
  • Wind resistance up to 4000 Pa
  • Water tightness 1200 Pa
  • Glazing up to 50 mm
  • Capped & SSG configurations
  • Acoustic Rw 38 dB
  • Integrated operable elements

06 · Downloads

Specify SY50.

Request the documents for this system. We send them by email, usually with a contact in our engineering team.

08 · Quote

Request a quote for SY50.

Send the project details and we reply with a proposal.

Your request goes by email to our sales team.

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