Sliding and folding windows

Sliding and folding windows — the ideal solution for panoramic glazing and space saving. Sashes move along the frame without taking up space when opened.

Sliding and folding windows

REHAU Sliding Systems

UW- value 1.5

Rehau High-Design Slide

Elegant sliding system for balconies, loggias and terraces. Space-saving PVC profiles with smooth gliding operation and warmer than aluminum.
Energy rating
B
System type
Sliding
Track options
2/3/4 tracks
Sealing
Brush seals
Glass unit
up to 24mm
Surface
HDF finish
Thermal protection
Uw ≤ 1.5 W/(m²·K)
UW- value 1.0

Rehau Synego Slide

Sealed sliding system with press-to-close mechanism. Silence and ease in one motion.
Energy rating
A+
System type
Sealed sliding
Profile depth
80mm
Profile chambers
7 chambers
Glass unit
up to 51mm
Max panel weight
200kg
Thermal protection
Uw ≤ 1.0 W/(m²·K)
UW- value 1.3

Rehau Panorama Swing

A unique system where panels slide and pivot, fully opening the aperture.
Energy rating
A
System type
Slide-and-turn
Panel movement
Independent
Opening
Up to 100%
Panels
3-7 panels
Glass unit
up to 40mm
Thermal protection
Uw ≤ 1.3 W/(m²·K)
UW- value 0.80

Rehau Geneo HST

Premium lift-and-slide portal made from RAU-FIPRO fiberglass for giant openings up to 13m². Passivhaus certified with exceptional thermal insulation.
Energy rating
A++
System type
Lift & Slide HST
Profile depth
86mm
Material
RAU-FIPRO X
Glass unit
up to 53mm
Max panel weight
400kg
Thermal protection
Uw ≤ 0.80 W/(m²·K)

REHAU or Kömmerling sliding systems?

REHAU — smooth-running PVC sliders with excellent thermal break. Kömmerling — lead-free profiles with class-A energy rating, perfect for terraces and balconies. Both glide effortlessly.

Kömmerling Sliding Systems

UW- value ≤ 1.3

Kömmerling PremiLine

A classic sliding system that has become the gold standard for Spanish apartments. An ideal solution for glazing balcony and loggia exits, where the priority is space-saving and mechanism reliability for daily use.
Energy efficiency
B
Material
PVC (Greenline)
Profile depth
80 mm (frame)
Insulation
3 chambers / 2 seals
Glazing unit
up to 28 mm
Thermal protection (Uw)
≤ 1.4 W/(m²·K)
Sound insulation
≈ 34 Rw(dB)
UW- value ≤ 0.95

Kömmerling PremiSlide 76

A next-generation sealed sliding system combining the convenience of a slider with the tight closure of a casement window. Ideal for panoramic terraces where silence and protection from extreme weather conditions are required.
Energy efficiency
A+
Material
PVC (Xtrem)
Profile depth
76 mm (frame 158 mm)
Insulation
5 chambers / 3 seals
Glazing unit
up to 50 mm
Thermal protection (Uw)
≤ 1.1 W/(m²·K)
Sound insulation
≈ 45 Rw(dB)
UW- value ≤ 0.9

Kömmerling PremiDoor 76

A classic lift-and-slide system (HST) designed for glazing medium and large panoramic openings. Combines exceptional ease of operation with high thermal insulation performance for modern housing.
Energy efficiency
A+
Material
PVC (Premium)
Profile depth
76 mm (frame 179 mm)
Insulation
5 chambers / 2 seals
Glazing unit
up to 50 mm
Thermal protection (Uw)
≤ 0.9 W/(m²·K)
Sound insulation
≈ 44 Rw(dB)
UW- value ≤ 0.9

Kömmerling PremiDoor 88

Flagship ultra-premium class lift-and-slide system, certified for passive houses. Provides the highest possible level of thermal and sound insulation for giant panoramic glazing.
Energy efficiency
A++
Material
PVC (Ultra-Premium)
Profile depth
88 mm (frame 207 mm)
Insulation
7 chambers / 3 seals
Glazing unit
up to 56 mm
Thermal protection (Uw)
≤ 0.75 W/(m²·K)
Sound insulation
≈ 48 Rw(dB)

Kömmerling PVC or Cortizo aluminium sliders?

Kömmerling PVC — affordable, warm and quiet sliding doors. Cortizo Cor Vision — ultra-slim aluminium sashes up to 6m tall, perfect for villas with sea views. Two very different worlds.

Cortizo Sliding Systems

UW- value ≤ 1.6

Cortizo COR 4200

Legendary sliding system with concealed wall pocket installation option (Galandage). The perfect balance between space saving, modern design, and functionality.
Energy Efficiency
B / A
System Type
Sliding (Galandage)
Material
Aluminium RPT
Frame Depth
60 / 115 mm
Max. Glazing
up to 26 mm
Thermal Protection (Uw)
≤ 1.6 W/(m2K)
Sound Insulation
≈ 38 dB
UW- value ≤ 1.3

Cortizo 4900 Corredera

The benchmark for modern sliding systems (Hi-Tech). Increased installation depth of 70 mm, improved thermal insulation, and strict straight-line design for balcony and terrace glazing.
Energy Efficiency
A / A+
System Type
Sliding (Hi-Tech)
Material
Aluminium RPT
Frame Depth
70 mm
Max. Glazing
up to 36 mm
Thermal Protection (Uw)
≤ 1.3 W/(m2K)
Sound Insulation
≈ 40 dB
UW- value ≤ 1.3

Cortizo C 70

Warm PVC sliding system. The ideal solution for glazing balconies and loggias, combining space savings with the high thermal insulation of a 70 mm deep plastic profile.
Energy efficiency
A / A+
System type
Sliding (PVC)
Material
PVC (Greenline)
Frame depth
70 mm
Max. glazing
up to 28 mm
Thermal protection (Uw)
≤ 1.3 W/(m2·K)
Sound insulation
≈ 34 dB
UW- value ≤ 1.0

Cortizo E 170

Premium PVC lift-and-slide system (HS-Portal). 170 mm installation depth for creating giant panoramic doors with effortless and smooth operation.
Energy efficiency
A++
System type
Lift-and-slide (HS)
Material
PVC (5 chambers)
Frame depth
170 mm
Max. glazing
up to 40 mm
Thermal protection (Uw)
≤ 0.9 W/(m2K)
Sound insulation
≈ 42 dB
UW- value ≤ 1.3

Cortizo COR Vision

An icon of minimalism. A premium sliding system with a record-narrow interlock of just 20 mm. Creates the effect of a solid glass wall, erasing the boundaries between interior and landscape.
Energy efficiency
A+
System type
Minimalist (Vision)
Material
Aluminium RPT
Frame depth
116 mm
Max. glazing
up to 30 mm
Thermal protection (Uw)
≤ 1.3 W/(m2K)
Sound insulation
≈ 41 dB
UW- value ≤ 0.9

Cortizo COR Vision PLUS

The ultimate in glazing capabilities. A minimalist system for creating giant sliding walls up to 4 meters high with the option to install triple-glazed units.
Energy efficiency
A++
System type
Minimalist (Plus)
Material
Aluminium RPT
Frame depth
180 mm
Max. glazing
up to 54 mm
Thermal protection (Uw)
≤ 0.9 W/(m2K)
Sound insulation
≈ 43 dB
UW- value ≤ 1.1

Cortizo Bi-Fold

Bi-fold door system for complete opening of the space. Allows folding the entire glass wall into a compact stack on the side, seamlessly merging the living room and terrace into one unified area without partitions.
Energy efficiency
A+
System type
Folding (Bi-Fold)
Material
Aluminium RPT
Frame depth
73 mm
Max. glazing
up to 45 mm
Thermal protection (Uw)
≤ 1.1 W/(m²·K)
Sound insulation
≈ 45 dB

Cortizo aluminium or VEKA PVC sliding?

Cortizo — Spanish aluminium leader with panoramic Cor Vision systems. VEKA — German PVC with Softline design and Class A walls. Compare the slimmest aluminium with the warmest PVC.

VEKA Sliding Systems

UW- value 0.83

Veka Vekamove 76

Innovative sliding system. Combines the air-tightness of a classic window with the convenience and panoramic view of sliding doors.
Energy Efficiency
A
System Type
VekaMove (Smart)
Material
PVC Class A
Frame Depth
150 mm
Max. Glazing
up to 48 mm
Thermal Protection (Uw)
≤ 0.83 W/(m²·K)
Sound Insulation
≈ 43 dB
UW- value 0.78

Veka Vekamotion 82

Flagship HS system. Lift-and-slide portal for boundless panoramic glazing. Maximum light and barrier-free environment.
Energy Efficiency
A++
System Type
HS-Portal (Lift)
Material
PVC Class A
Frame Depth
194 mm
Max. Glazing
up to 54 mm
Thermal Protection (Uw)
≤ 0.78 W/(m²·K)
Sound Insulation
≈ 44 dB
UW- value 0.73

Veka Vekamotion 82 MAX

Designer version of the flagship portal. Hidden frame, maximum glass area, and the effect of boundless space.
Energy Efficiency
A++ (Max)
System Type
HS-Portal MAX
Material
PVC Class A
Frame Depth
194 mm
Max. Glazing
up to 54 mm
Thermal Protection (Uw)
≤ 0.73 W/(m²·K)
Sound Insulation
≈ 45 dB

VEKA PVC or Schüco premium sliders?

VEKA — proven PVC sliders since 1969 with reinforced sashes. Schüco — architects’ choice with smart-home automation and lift-and-slide engineering. Which fits your project?

Schüco Sliding Systems

UW- value 1.1

Schüco LivIngSlide

A new dimension of comfort. Premium lift-and-slide PVC system based on Schüco LivIng 82 technology with weldable EPDM gaskets for superior airtightness.
Energy Efficiency
A++
System Type
Lift-and-slide (HS)
Material
PVC (Schüco LivIng)
Frame Depth
194mm
Max. Glazing
up to 52mm
Thermal Protection (Uw)
≤ 0.80 W/(m²·K)
Sound Insulation
≈ 45 dB
UW- value 1,1

Schüco ASE 60

A new standard of comfort. Modular aluminum sliding system with 60 mm sash depth, concealed hardware, and SmartClose soft-close technology.
Energy Efficiency
A
System Type
Lift-and-slide (ASE)
Material
Aluminium
Frame Depth
140mm
Max. Glazing
up to 40mm
Thermal Protection (Uw)
≤ 1.1 W/(m²·K)
Sound Insulation
≈ 41 dB
UW- value 0,80

Schüco ASE 80.HI

Passive house aesthetics. Highly insulated sliding system with 80 mm sash depth for maximum energy efficiency.
Energy Efficiency
A++
System Type
Sliding (ASE)
Material
Aluminium HI
Frame Depth
180mm
Max. Glazing
up to 60mm
Thermal Protection (Uw)
≤ 0.80 W/(m²·K)
Sound Insulation
≈ 43 dB
UW- value 1,0

Schüco ASE 67 PD

Absolute transparency. Panoramic aluminum sliding system (PD) with concealed frame, floor-level threshold and minimal 31mm sash meeting point.
Energy Efficiency
A+
System Type
Panoramic (PD)
Material
Aluminium PD
Frame Depth
180mm
Max. Glazing
up to 49mm
Thermal Protection (Uw)
≤ 1.0 W/(m²·K)
Sound Insulation
≈ 46 dB

Schüco premium or WDS at a smart price?

Schüco — German premium with cutting-edge lift-and-slide engineering. WDS — European quality at economy-segment prices, 6-chamber profiles by default. Pick the value that suits your build.

WDS Sliding Systems

UW- value 1.6

WDS SL60

Space savings. Sliding PVC system that's warmer and quieter than old aluminum.
Energy rating
B
System type
Classic (Sliding)
Profile depth
60 mm
Chambers
3 chambers
Glass unit
up to 18 mm
Thermal protection
Uw ≤ 1.6 W/(m²·K)
Sound insulation
≈30 dB
UW- value 1.3

WDS SL76

Slider-window hybrid. 100% airtightness thanks to smart sash pressing around the entire perimeter.
Energy rating
A
System type
Airtight (Smart)
Profile depth
76 mm
Chambers
5 chambers
Glass unit
up to 48 mm
Thermal protection
Uw ≤ 1.3 W/(m²·K)
Sound insulation
≈45 dB

Still weighing your options?

Put every sliding system from our catalogue side by side — sort by U-value, max sash, brand or material to find the perfect fit for your project.

Compare all sliding systems