Precision-Engineered Aluminum Windows

Slender Minimal Sliding Series

The Slender Series from Qwind is designed to elevate spaces with its sleek and contemporary aesthetics. Crafted with precision, this collection features a refined profile that blends seamlessly into modern architectural settings.

Each piece in the Slender Series is manufactured using high-quality aluminum material, ensuring durability, strength, and corrosion resistance. The ergonomic design enhances user comfort, while the smooth finish provides a sophisticated touch to any window.

SL-19
Slender SL-19
SL-19 Invisible
Slender SL-19 Invisible
Slender SL-21
Slender SL-21
Sl-33
Slender SL-33
SL-33DGL
Slender SL-33 DGL

✅ Ultra-Slim Sight Line – Minimalistic interlock/mullion design for expansive views.
Durable Aluminum Construction – Corrosion-resistant, lightweight, and built for longevity.
Argon Gas Insulation – Enhanced thermal efficiency in double-glazed units (DGU).
Auto-Clean Brush System – Keeps window tracks dust-free for smooth operation.
High-Load Roller Bearings – Each bearing supports up to 320kg for effortless movement.
Protective Cover Profile – Shields against air, dust, and water seepage while enhancing aesthetics.

Designed for luxury homes, commercial spaces, and high-performance buildings, the Slender Series redefines elegance and efficiency in modern window systems.

Slender SL – 19

  • Features a 19mm slim sight line for a sleek and modern look.

  • Designed with argon gas-filled double glazing to improve thermal insulation.

  • Equipped with auto-clean brushes for easy maintenance.

  • Uses high-load roller bearings (320kg capacity each) for smooth operation.


Slender SL – 19 Invisible

  • Similar to SL-19 but with an invisible frame design for an ultra-minimalist aesthetic.

  • Enhances the seamless connection between indoor and outdoor spaces.

  • Maintains thermal efficiency with argon gas insulation.


Slender SL – 21

  • A refined version with improved durability and load-bearing capacity.

  • Features metal-based cover profiles for added protection against dust, air, and water seepage.

  • Optimized for modern architectural spaces requiring superior performance.


Slender SL – 33

  • Engineered for larger window panels, maintaining slim aesthetics.

  • Offers advanced roller bearing technology for smooth gliding.

  • Designed with reinforced aluminum for extra stability.


Slender SL – 33 DGL

  • Features Double Glass Lamination (DGL) for enhanced safety and noise reduction.
  • Laminated glass structure prevents shattering, making it ideal for security and high-wind areas.
  • Offers improved UV protection while maintaining a sleek and modern look.
  • Perfect for luxury homes, high-rise buildings, and commercial spaces.
50

Sound Reduction

Reduces external sound upto 60%

100

Weather Proof

Perfect for all weather conditions

85

Low Maintenance

Modern Look with longer durability.

System Technical Specification

Property Details
Profile Alloy 6063
Glass Thickness 24 to 38mm (dgu / dgu.lami.)
Max Height/Shutter 6000mm
Max Weight/Shutter 900 Kgs
Multi Locking Yes
Mosquito Mesh Solution Yes
Hidden Bottom Yes
Corner Opening Yes
Roller Bearings (320 Kg / Per Bearing) S.s 304 Grade
Stainless Steel Twill Rail S.s 304 Grade
Finish Anodize / Powder coating / Wood effect / PVDF coating

Application & Section Detail

Property Details
Frame Height 70mm
Frame Width (2t-2p) 161mm
Frame Width (3t-3p) 240mm
Sightline At Interlock 19mm
Center Meeting (2t-4p) 19/45 mm

Test Reports

Test Value
Wind Resistance Up to 3KPa
Air Infiltration 300 Pa
Water Penetration 390 Pa

Slender SL-19

Argon Gas Insulation
Our DGU (Dual Glass Unit) is filled with argon gas to enhance thermal efficiency by reducing heat transfer, ensuring better insulation and energy savings.

Premium Cover Profile
We have designed a high-quality metal-based cover profile to encase the fixed shutter track. This feature enhances the aesthetic appeal of Qwind windows while providing protection against air, dust, and water seepage, ensuring long-term durability and easy maintenance.

Auto Clean Brush System
Qwind’s auto-clean brush effectively removes dust accumulation from the track corners. Positioned between the bearing cages at the bottom of the shutter, these brushes ensure smooth operation and effortless maintenance.

Minimal Sight Line for Uninterrupted Views
With a slim 19mm interlock/mullion, Qwind windows offer an ultra-thin sight line, allowing maximum natural light and unobstructed views.

Heavy-Duty Roller Bearings
Engineered for durability, our 304-grade stainless steel roller bearings support up to 320kg per unit. The heavy nylon bearing cage provides smooth and long-lasting performance, balancing the shutter’s weight for effortless sliding.

Anti-Fog Perforations
Designed to prevent moisture buildup, Qwind’s precision perforations eliminate condensation inside the glass unit, ensuring clear visibility in all conditions.

High-Performance Glass Options
Qwind windows offer a variety of advanced glass types, including:
✔ DGU & DGU Laminated Glass
✔ Sentry Laminated Glass
✔ Reflective & Low-E Glass
✔ Burglar-Resistant Glass
Our standard slimline system features an 8mm outer glass + 22mm spacer + 8mm inner glass, forming a 38mm dual glass unit, capable of reducing noise levels by up to 38dB.

Integrated Drainage System
Designed for all weather conditions, our built-in drainage slots efficiently remove water from the profile, preventing waterlogging and ensuring durability.

Precision Stainless Steel Rail
Crafted from 304-grade stainless steel, Qwind’s rail system ensures seamless and frictionless sliding, even for the heaviest window panels.

Three Fin Wool Pile for Superior Sealing
To prevent air, water, and dust infiltration, our three-fin wool pile acts as a high-quality barrier, ensuring enhanced insulation and weather resistance.

System Technical Specification

Property Details
Profile Alloy 6063
Glass Thickness 38mm (dgu / dgu.lami.)
Max Height/Shutter 6000mm
Max Weight/Shutter 900 Kgs
Multi Locking Yes
Mosquito Mesh Solution Yes
Hidden Bottom Yes
Corner Opening Yes
Roller Bearings (320 Kg / Per Bearing) S.s 304 Grade
Stainless Steel Twill Rail S.s 304 Grade
Finish Anodize / Powder coating / Wood effect / PVDF coating

Application & Section Detail

Property Details
Frame Height 70mm
Frame Width (2t-2p) 161mm
Frame Width (3t-3p) 241mm
Sightline At Interlock 19mm
Center Meeting (2t-4p) 19/45 mm

Test Reports

Test Value
Wind Resistance Up to 3KPa
Air Infiltration 300 Pa
Water Penetration 390 Pa

Slender SL-19 Invisible

Argon Gas Insulation
Our DGU (Dual Glass Unit) is filled with argon gas to enhance thermal efficiency by reducing heat transfer, ensuring better insulation and energy savings.

Premium Cover Profile
We have designed a high-quality metal-based cover profile to encase the fixed shutter track. This feature enhances the aesthetic appeal of Qwind windows while providing protection against air, dust, and water seepage, ensuring long-term durability and easy maintenance.

Auto Clean Brush System
Qwind’s auto-clean brush effectively removes dust accumulation from the track corners. Positioned between the bearing cages at the bottom of the shutter, these brushes ensure smooth operation and effortless maintenance.
Minimal Sight Line for Uninterrupted Views
With a slim 19mm interlock/mullion, Qwind windows offer an ultra-thin sight line, allowing maximum natural light and unobstructed views.

Heavy-Duty Roller Bearings
Engineered for durability, our 304-grade stainless steel roller bearings support up to 320kg per unit. The heavy nylon bearing cage provides smooth and long-lasting performance, balancing the shutter’s weight for effortless sliding.

Anti-Fog Perforations
Designed to prevent moisture buildup, Qwind’s precision perforations eliminate condensation inside the glass unit, ensuring clear visibility in all conditions.

High-Performance Glass Options
Qwind windows offer a variety of advanced glass types, including:
✔ DGU & DGU Laminated Glass
✔ Sentry Laminated Glass
✔ Reflective & Low-E Glass
✔ Burglar-Resistant Glass
Our standard slimline system features an 8mm outer glass + 22mm spacer + 8mm inner glass, forming a 38mm dual glass unit, capable of reducing noise levels by up to 38dB.

Integrated Drainage System
Designed for all weather conditions, our built-in drainage slots efficiently remove water from the profile, preventing waterlogging and ensuring durability.

Precision Stainless Steel Rail
Crafted from 304-grade stainless steel, Qwind’s rail system ensures seamless and frictionless sliding, even for the heaviest window panels.

Three Fin Wool Pile for Superior Sealing
To prevent air, water, and dust infiltration, our three-fin wool pile acts as a high-quality barrier, ensuring enhanced insulation and weather resistance.

System Technical Specification

Property Details
Profile Alloy 6063
Glass Thickness 11.5mm / 12mm / 13.5mm / 24mm
Max Size./Shutter 8 SQM
Max Height/Shutter 3600mm
Max Weight/Shutter 350 Kgs
Multi Locking Yes
Mosquito Mesh Solution Yes
Hidden Bottom Yes
Corner Opening Yes
Roller Bearings (160 Kg / Per Bearing) S.S 304 Grade
Stainless Steel Rail S.S 304 Grade
Finish Anodize / Powder coating / Wood effect / PVDF coating

Application & Section Detail

Property Details
Frame Height 50mm
Frame Width (2t-2p) 127mm
Frame Width (3t-3p) 194mm
Sightline At Interlock 21mm
Center Meeting (2t-4p) 21/50mm

Test Reports

Test Value
Wind Resistance Up to 2.5KPa
Air Infiltration 300 Pa
Water Penetration 390 Pa

Slender SL-21

Argon Gas Insulation
Our DGU (Dual Glass Unit) is filled with argon gas to enhance thermal efficiency by reducing heat transfer, ensuring better insulation and energy savings.

Premium Cover Profile
We have designed a high-quality metal-based cover profile to encase the fixed shutter track. This feature enhances the aesthetic appeal of Qwind windows while providing protection against air, dust, and water seepage, ensuring long-term durability and easy maintenance.

Auto Clean Brush System
Qwind’s auto-clean brush effectively removes dust accumulation from the track corners. Positioned between the bearing cages at the bottom of the shutter, these brushes ensure smooth operation and effortless maintenance.
Minimal Sight Line for Uninterrupted Views
With a slim 19mm interlock/mullion, Qwind windows offer an ultra-thin sight line, allowing maximum natural light and unobstructed views.

Heavy-Duty Roller Bearings
Engineered for durability, our 304-grade stainless steel roller bearings support up to 320kg per unit. The heavy nylon bearing cage provides smooth and long-lasting performance, balancing the shutter’s weight for effortless sliding.

Anti-Fog Perforations
Designed to prevent moisture buildup, Qwind’s precision perforations eliminate condensation inside the glass unit, ensuring clear visibility in all conditions.

High-Performance Glass Options
Qwind windows offer a variety of advanced glass types, including:
✔ DGU & DGU Laminated Glass
✔ Sentry Laminated Glass
✔ Reflective & Low-E Glass
✔ Burglar-Resistant Glass
Our standard slimline system features an 8mm outer glass + 22mm spacer + 8mm inner glass, forming a 38mm dual glass unit, capable of reducing noise levels by up to 38dB.

Integrated Drainage System
Designed for all weather conditions, our built-in drainage slots efficiently remove water from the profile, preventing waterlogging and ensuring durability.

Precision Stainless Steel Rail
Crafted from 304-grade stainless steel, Qwind’s rail system ensures seamless and frictionless sliding, even for the heaviest window panels.

Three Fin Wool Pile for Superior Sealing
To prevent air, water, and dust infiltration, our three-fin wool pile acts as a high-quality barrier, ensuring enhanced insulation and weather resistance.

System Technical Specification

Property Details
Profile Alloy 6063
Glass Thickness 6 To 24mm
Max Size./Shutter 8 SQM
Max Height/Shutter 3600mm
Max Weight/Shutter 350 Kgs
Multi Locking Yes
Mosquito Mesh Solution Yes
Hidden Bottom Yes
Corner Opening Yes
Roller Bearings (160 Kg / Per Bearing) S.S 304 grade / Nylon (Optional)
Stainless Steel Rail S.S 304 grade
Finish Anodize / Powder coating / Wood effect / PVDF coating

Application & Section Detail

Property Details
Frame Height 50mm
Frame Width (2t-2p) 92mm
Frame Width (3t-3p) 141mm
Sightline At Interlock 33mm
Center Meeting (2t-4p) 152mm

Test Reports

Test Value
Wind Resistance Up to 2KPa
Air Infiltration 300 Pa
Water Penetration 390 Pa

Slender SL-33

Argon Gas Insulation
Our DGU (Dual Glass Unit) is filled with argon gas to enhance thermal efficiency by reducing heat transfer, ensuring better insulation and energy savings.

Premium Cover Profile
We have designed a high-quality metal-based cover profile to encase the fixed shutter track. This feature enhances the aesthetic appeal of Qwind windows while providing protection against air, dust, and water seepage, ensuring long-term durability and easy maintenance.

Auto Clean Brush System
Qwind’s auto-clean brush effectively removes dust accumulation from the track corners. Positioned between the bearing cages at the bottom of the shutter, these brushes ensure smooth operation and effortless maintenance.
Minimal Sight Line for Uninterrupted Views
With a slim 19mm interlock/mullion, Qwind windows offer an ultra-thin sight line, allowing maximum natural light and unobstructed views.

Heavy-Duty Roller Bearings
Engineered for durability, our 304-grade stainless steel roller bearings support up to 320kg per unit. The heavy nylon bearing cage provides smooth and long-lasting performance, balancing the shutter’s weight for effortless sliding.

Anti-Fog Perforations
Designed to prevent moisture buildup, Qwind’s precision perforations eliminate condensation inside the glass unit, ensuring clear visibility in all conditions.

High-Performance Glass Options
Qwind windows offer a variety of advanced glass types, including:
✔ DGU & DGU Laminated Glass
✔ Sentry Laminated Glass
✔ Reflective & Low-E Glass
✔ Burglar-Resistant Glass
Our standard slimline system features an 8mm outer glass + 22mm spacer + 8mm inner glass, forming a 38mm dual glass unit, capable of reducing noise levels by up to 38dB.

Integrated Drainage System
Designed for all weather conditions, our built-in drainage slots efficiently remove water from the profile, preventing waterlogging and ensuring durability.

Precision Stainless Steel Rail
Crafted from 304-grade stainless steel, Qwind’s rail system ensures seamless and frictionless sliding, even for the heaviest window panels.

Three Fin Wool Pile for Superior Sealing
To prevent air, water, and dust infiltration, our three-fin wool pile acts as a high-quality barrier, ensuring enhanced insulation and weather resistance.

System Technical Specification

Property Details
Profile Alloy 6063
Glass Thickness 17.52 laminate / 28 / 30 / 31.52
Max Size./Shutter 8 SQM
Max Height/Shutter 3600mm
Max Weight/Shutter 350 Kgs
Multi Locking Yes
Mosquito Mesh Solution Yes
Hidden Bottom Yes
Corner Opening Yes
Roller Bearings (160 Kg / Per Bearing) S.S 304 grade / Nylon (Optional)
Stainless Steel Rail S.S 304 grade
Finish Anodize / Powder coating / Wood effect / PVDF coating

Application & Section Detail

Property Details
Frame Height 50mm
Frame Width (2t-2p) 108mm
Frame Width (3t-3p) 168mm
Sightline At Interlock 33mm
Center Meeting (2t-4p) 152mm

Test Reports

Test Value
Wind Resistance Up to 2KPa
Air Infiltration 300 Pa
Water Penetration 390 Pa

Slender SL-33 DGL

Argon Gas Insulation
Our DGU (Dual Glass Unit) is filled with argon gas to enhance thermal efficiency by reducing heat transfer, ensuring better insulation and energy savings.

Premium Cover Profile
We have designed a high-quality metal-based cover profile to encase the fixed shutter track. This feature enhances the aesthetic appeal of Qwind windows while providing protection against air, dust, and water seepage, ensuring long-term durability and easy maintenance.

Auto Clean Brush System
Qwind’s auto-clean brush effectively removes dust accumulation from the track corners. Positioned between the bearing cages at the bottom of the shutter, these brushes ensure smooth operation and effortless maintenance.
Minimal Sight Line for Uninterrupted Views
With a slim 19mm interlock/mullion, Qwind windows offer an ultra-thin sight line, allowing maximum natural light and unobstructed views.

Heavy-Duty Roller Bearings
Engineered for durability, our 304-grade stainless steel roller bearings support up to 320kg per unit. The heavy nylon bearing cage provides smooth and long-lasting performance, balancing the shutter’s weight for effortless sliding.

Anti-Fog Perforations
Designed to prevent moisture buildup, Qwind’s precision perforations eliminate condensation inside the glass unit, ensuring clear visibility in all conditions.

High-Performance Glass Options
Qwind windows offer a variety of advanced glass types, including:
✔ DGU & DGU Laminated Glass
✔ Sentry Laminated Glass
✔ Reflective & Low-E Glass
✔ Burglar-Resistant Glass
Our standard slimline system features an 8mm outer glass + 22mm spacer + 8mm inner glass, forming a 38mm dual glass unit, capable of reducing noise levels by up to 38dB.

Integrated Drainage System
Designed for all weather conditions, our built-in drainage slots efficiently remove water from the profile, preventing waterlogging and ensuring durability.

Precision Stainless Steel Rail
Crafted from 304-grade stainless steel, Qwind’s rail system ensures seamless and frictionless sliding, even for the heaviest window panels.

Three Fin Wool Pile for Superior Sealing
To prevent air, water, and dust infiltration, our three-fin wool pile acts as a high-quality barrier, ensuring enhanced insulation and weather resistance.

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