Vinyl Replacement Window
The Okna 800 is a vinyl replacement offers industry leading performance and beauty. The Okna 800 offers exceptional thermal and structural performance without compromising on beauty or features.
The Okna 800 window is perfect for home owners who are wanting the highest levels of energy efficiency and the most options to make this window a perfect fit.
Contact us today to get a free, no pressure estimate on the best replacement windows in Richmond!
These Features are Standard on all of our Okna 500 replacement windows.
A classically sculpted exterior frame improves the appearance of the replacement window
Extruded Insulation slid into the frame insures the lowest thermal transfer through the frame and sashes.
Slim Grab Handle
A metal grab handle that adds to the ease of operation, available in different finishes.
Vent latches allow the window to be opened a controlled amount for safety.
Low-Profile Metal Locks
Low-Profile Locks add to the beauty and clean, neat appearance of the window.
Inter-Lock & Seal
An Inter-Lock system and thick bulb seal work together to make this one of the most air-tight windows on the market.
Mortised Dam Sill
A integrates the dam sill into the side frame insuring a clean and tight frame.
A thin, fiberglass mesh screen that allows the maximum amount of light to pass through.
Standard and Optional Choices to Customize Your Ideal Window
Thermal and structural performance ratings on windows tell you how your window will perform in your home.
|Glazing Option||U-Value||SHGC||VT||CR||Energy Star Minimum for VA||Energy Star Minimum|
|Double Pane Deluxe||0.26||0.29||0.53||62||0.3||17% Better|
|Triple Pane Deluxe||0.20||0.25||0.42||72||0.3||37% Better|
|Our Windows||Industry Minimum|
|Air Infiltration cfm/ft2||0.01||0.3||1500%||Better|
|Water Penetration mph||54||33||64%||Better|
|Structural Integrity mph||171||94||82%||Better|