Starmark – Composite Replacement Window
The Starmark window by Okna is a solid-core composite replacement window. Composite windows offer the highest level of rigidity while still offering the same maintenance free appeal found in vinyl windows. The Starmark Composite Window offers the highest thermal and structural performance of any composite window on the market and a wide variety of options to make sure it looks great in your home.
The Starmark window is perfect for homeowners who want an energy efficient product that is able to endure under harsh temperatures and heavy weights.
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These Features are Standard on all of our Starmark composite replacement windows.
Solid Composite Material
Even under heavy loads and high heat, composite stays strong.
Vent latches allow the window to be opened a controlled amount for safety.
Powder coated, metal locks are strong and beautiful.
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.
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||0.25||0.28||0.50||62||0.3||17% Better|
|Triple Pane Deluxe||0.20||0.24||0.40||72||0.3||37% Better|
|Our Windows||Industry Minimum|
|Air Infiltration cfm/ft2||0.05||0.3||1500%||Better|