The high-end Okna 800 series double hung, double pane with clear glass has a high density composite reinforcement in the frame for even more durability. Provides a traditional look of wood without the maintenance. There are many glass options to consider.
- 3000% better air infiltration protection than Industry Standards. WOW
- Magnetic Seals dramatically reduce drafts and save energy
- Maintenance free rigid multi-chamber vinyl profile.
- Full 3 1/4" Depth Welded Mainframe for long lasting performance.
- Heatseal® warm edge spacer system improves thermal efficiency and lowers condensation on the inside of the window.
- Full integral interlock with double weather-stripping.
- Numerous hardware options for any decor.
- Factory installed fiberglass mesh half screen with Optional locks
|Energy Star||Comparison To|
|Glazing Option||U-Value||SHGC||VT||CR||Minimum*||Energy Star Minimum|
|Clear Glass||0.45||0.59||0.61||45||0.30||Does not qualify|
|Our Windows||Minimum||Industry Minimum|
|AAMA Rating||R 60||R 15|
|Air Infiltration cfm/ft2||0.01||0.3||3000%||Better|
|Water Penetration mph||59||33||79%||Better|
|Structural Integrity mph||187||94||99%||Better|