oknoplast

Windows 90 Double Hung Window

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A sliding system with improved thermal insulation parameters due to the use of a thermal separator enriched with glass fiber. The profile structure allows the construction of large luxurious doors with single or double glazed sealed units. The materials and technical solutions used help achieve a high level of thermal and acoustic protection. These doors are perfect for detached houses as well as apartments that require open spaces.

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Description

WINDOWS 90

A window and door system with increased thermal insulation, equipped with a thermal barrier. It is characterized by high thermal and acoustic insulation, waterproofness and resistance to wind load. This system meets all the requirements for energy saving and environmental protection – its parameters exceed the requirements of the strictest applicable regulations and standards.

Application and functionality

Fixed or inward opening windows: Turn-Only, Tilt&Turn, Tilt&Slide
single or double leaf doors, opening outwards or inwards
optional bending of profiles and installation of arched windows
windows and doors with anti-burglary hardware
optional dual colored structures: the profiles can feature different colors on the interior and exterior
optional use of closure sensors – reed switches
installed separately or in aluminum facades

Structure

3-chamber sections with a depth of 3.54 inch (window and door frame, door leaf), 3.89 inch (window sash)
1.77 inch wide thermal barrier made of innovative materials
new standard for the profile and glass overlap – increased depth significantly improves the thermal and structural properties of the system
additional thermal insulation inserts (optional)

Dimensions

sash width: 66.92 inch
sash height 110.23 inch
sash weight 440 lb

Glazing

filling thickness between 0.82 inch and 3.22 inch for opening windows and 0.47 inch – 2.87 inch for fixed doors and windows

TECHNICAL PARAMETERS

air permeability	class 4, EN 12207
watertightness	class 9A, EN 12208
thermal insulation	Uf from 0,73 W/(m²K), Uw od 0,7 W/(m²K)
wind load resistance	up to class C4, EN 12210