DA-SkyLine sliding patio doors with a concealed frame

Enjoy panoramic views with minimum obstructions.

Achieve this by incorporating our sliding patio doors with an elegantly concealed frame based on an innovative, ultra-slim frame design. Recently appreciated by the industry as Window and Door category finalist at the US largest building expo IBS.

Why choose DA-SkyLine?

  • More Natural Light
    Increased glazing surface thanks to thinner frames and ultra-large windows allows for greater natural light access, especially in winter.
  • Spectacular Views
    Delicately slim dividing lines give the impression of the structure being light, perfectly blending your room with the outside surroundings.
  • Efficient Thermal Insulation
    Sliding patio doors of impressive dimensions: up to 40 ft wide and 13 ft high, while maintaining excellent triple-glazed thermal insulation.
  • Elegant Design
    The slim structure offers a modern and minimalist look that provides homes with an exquisite, premium character.
  • Innovative Technology
    The frame is completely flush with walls, floor, and ceiling. The visible sash connection is only 1 inch wide!
  • The Ultimate Comfort
    Our system also offers the possibility of opening the door automatically, using control units mounted outside the structure.
  • Smart Investment 
    European quality and design, covered by a comprehensive warranty, at a price you thought were not possible.

Discover more…

Construction height

of up to 4 m

Construction width

of up to 12 m

The visible width of the door sash connection

only 25 mm

Triple-glazing options

with thicknesses ranging from 52 to 60 mm


from 0,85 W/(m2K) for doors sash dimensions of 2070 x 3444 mm.

Triple-glazed Uw

of only 0.5 W/(m2K)

Single aluminum door sash weighing

up to 750 kg

Maximum single door sash area

of up 6,5 m2

Sliding Doors DA-SkyLine with a Hidden Frame

The sliding door system with a hidden frame is an innovative solution based on narrow profiles, thanks to which the structures gain a modern and minimalist look, and the designs with their use acquire a unique character.

Luxurious design & Spectacular glazing

The innovative technology that allows the frame to be hidden in the walls, floor, and ceiling allows obtaining effective, panoramic glazing while maintaining excellent thermal insulation parameters of the structure.

The system enables the construction of sliding doors of impressive dimensions: up to 40 feet wide and up to 13 feet high! Despite the large dimensions of the doors, their slender structure gives the impression of being light and delicate.

Unlimited views

DA-Skyline terrace doors are a guarantee of unique style and prestigious investment rank. The sliding system provides a comfortable, non-threshold transition from the house to the terrace and a perfect combination of the interior of the building with its surroundings.
The slender structure of the door gives the impression of being light and delicate, thanks to which the structures gain a modern and minimalist look, and the whole is almost uniform glazing with narrow dividing lines, perfectly blending in with luxurious buildings.

Functionality and aesthetics

Modern design and high aesthetics of the structure guaranteed by the innovative construction and assembly system: the frame hidden in the walls, floor, and ceiling, completely flush sashes with the frame profile on the sides, the visible width of the door leaf connection is only 1 inch.
The system offers the possibility of opening the door manually or automatically (drives and control units hidden in the frame profiles or the use of an automatic device mounted outside the structure) and no restrictions on the width of the structure - the doors can be connected to each other and constitute a uniform glazing line.

Aluminum patio door colors

The full range of RAL colors is available in the color chart.

RAL 9016 White
RAL 9006
RAL 8019
RAL palette color

The colors presented are just a visualization and may be different from the actual colors.