For budget minded homeowners the Okna 400 double pane clear glass is cost effective option when replacing sliders. The multiple chamber vinyl frame in maintenance free. The professionals at Wonder Windows can help you decide which options would be best for your needs call today and schedule your free quote.
- 3000% Better than Air Infiltration protection than Industry Standards!
- Dual pane clear glass
- Heat Seal warm edge system lowers condensation
- High quality custom window
- Schedule a free quote today
|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 35||R 15|
|Air Infiltration cfm/ft2||0.01||0.3||3000%||Better|
|Water Penetration mph||59||33||79%||Better|
|Structural Integrity mph||143||94||52%||Better