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▼
Windows
All windows
Wood windows
Wood-aluminium windows
Passive windows
Panoramic fixed glazing
Windows made of thermally modified wood
Windows WINTHERWAX
Window upgrades and renovations
Window accessories
Panoramic windows
References 2018
▼
Panoramic windows
PANORAMIC lift-slide windows
VISION lift-slide windows
CLASSIC lift-slide windows
Slide-tilt windows
Folding windows
▼
Doors
Front doors
Interior doors
Advice for entrance doors
▼
Help
M SORA catalogues
Send enquiry
BIM ArchiCAD
M SORA blog
M SORA video
Retail network
▼
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History
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Nature Optimo XL
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Nature Optimo XL
Nature Optimo XL
Window NATURE OPTIMO XL is made entirely of wood and combines optimal combination of high energy efficiency, attractive appearance and affordable price. It is the most thermally efficient window of Nature Optimo family, which can be upgraded into passive window with the use of thermally modified spruce instead of normal spruce – NATURE OPTIMO XLT which was awarded as world most cost effective PHI certified passive timber window. Window has very nice outlook due to aligned frame and casement which is represented by letters L (Line) and X (Xclusive).
FEATURES
aligned casement and frame on both inner and outer window faces
thickness of both window casement and frame is 110 mm
hidden hinges
produced with the newest computer controlled technology implemented in 2014
BENEFITS
contemporary design
suitable for low-energy and passive buildings
warm feeling
excellent water- and airtightness
long lifespan
PROPERTIES
Wind resistance (EN 12210): Class 5 (single casement) / C3 (double casement)
Watertightness (EN 12208): Class E1200 (single and double casement)
Air permeability (EN 12207): Class 4 (single and double casement)
Window thermal transmittance
Certificate- Nature Optimo XL - 0,5
Certificate- Nature Optimo XL - 0,6
Certificate- Nature Optimo XL - 0,7
Other
Use and maintenance instructions
Windows catalogue
Profile dimensions
installation depth
110
mm
visible width
116
mm
Instalation options
rectangular
●
oblique
●
arched, semicircular
●
Opening options
fixed
●
combined (tilt and turn window)
●
folding walls
-
tilt-slide walls
-
lift-slide walls
-
opening outwards
-
two-sided handle
-
Thermal insulation of the window (Uw)
Ug = 1,1
Ug = 1,0
Ug = 0,7
0,89
W/m²K
Ug = 0,6
0,81
W/m²K
Ug = 0,5
0,73
W/m²K