OKNA Sliding Doors

OKNA Sliding Patio Doors

  • Thermally welded multi-chambered 5-5/8″ vinyl frame provides superior strength and thermal insulation. The continuous double weather-stripping dramatically reduces air and water infiltration
  • Interlocking meeting rail system with double weather-stripping for controlling infiltration of air, water, dust, and noise
  • Anodized aluminum screen track, roller track, and a threshold for increased strength, durability, and longevity along with an elegant appearance
  • Standard installed handle/lock hardware
  • Operating sash is equipped with adjustable, precision bearing tandem rollers for a smooth and quiet operation
  • 4mm glass unit with our Heatseal Spacer which gives your home excellent thermal efficiency and drastic reduction of condensation
  • Full-length heavy gauge reinforcements in meeting rails and pull rail provide great rigidity and strength
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We beat ANY written estimate and offer free estimates with no obligation.

OVERVIEW

Optional Four Point Locking system. Thermally welded multi-chambered 5-5/8″ vinyl frame provides superior strength and thermal insulation. Shown with optional Foam Filled Insulated Extrusions for better thermal efficiency. (Insulation type may vary during the manufacturing process) 4mm  glass unit with Heatseal®  Spacer which gives your home excellent thermal efficiency and drastic reduction of condensation. Interlocking meeting rail system with double weather-stripping for controlling infiltration of air, water, dust, and noise.Interlocking meeting rail system with double weather-stripping for controlling infiltration of air, water, dust, and noise. Operating sash is equipped with adjustable, precision bearing tandem rollers for a smooth and quiet operation.

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Same Interior and Exterior Color Options
  

Euro White Interior with Exterior Color Options
  

Euro-White Finish Standard on 2 and 4 point locking systems

Optional 2 and 4 point hardware finishes

*Optional hardware finishes are available at an additional charge*

Energy Star Comparison To
Glazing Option U-Value SHGC VT CR Minimum* Energy Star Minimum
Dual Glazed
Clear Glass 0.43 0.54 0.57 47 0.30 Does not qualify
With ESP 0.27 0.27 0.49 63 0.30 10% Better
Deluxe 0.26 0.27 0.49 63 0.30 13% Better
Triple Glazed
With ESP 0.20 0.23 0.38 68 0.30 33% Better
Deluxe 0.19 0.23 0.38 70 0.30 37% Better
Deluxe Package w/Krypton 0.16 0.23 0.38 70 0.30 47% Better

U-Value, SHGC, VT, CR values may slightly change for windows made with GBG (Grids Between Glass)
SHGC – Solar Heat Gain Coefficient
VT – Visible Transmittance
CR – Condensation Resistance
ESP – Energy Saving Package
CIT – Currently In Test
* Northern Climate Zone

Industry Comparison To
Our Windows Minimum Industry Minimum
AAMA Rating HR 60 HR 15
Air Infiltration cfm/ft2 0.06 0.3 500% Better
Water Penetration mph 59 33 79% Better
Structural Integrity mph 187 94 99% Better

Water Penetration mph – Specifies wind load pressure in mph window can withstand without leaking, under rain equivalent to 8″ per hour.
Structural Integrity mph – Wind load in mph the window can withstand before breaking.

All result numbers are based on tested window sample by NFRC & AMMA testing window guidelines. Use for comparison purposes only. Actual values may vary depending on installation, size of the window, and other conditions.

5/8″ Flat Grid between Glass

contour grid between glass 

11/16″ Contour Grid between Glass

Are you looking for a stunning design detail to instantly set your home apart both inside and out? A choice of decorative grids for your windows & doors can highlight the architectural style that speaks to you.

Screen:

  • Extruded aluminum
  • Adjustable rollers
  • Easy to lock handle

Okna Windows offers ThruVision® Screen which improves view thru the window protecting interior from insects and allowing perfect ventilation.

ThruVision® Screen
Competitor’s Screen

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