Description

🏆 FoldWindows™ 120″ x 80″ Bifold Door – 4 Panel Aluminum Folding Glass Door

NFRC Certified • Low-E + Argon • Florida Approved • HVHZ Impact Option • 10-Year Warranty

The FoldWindows™ 120″ x 80″ Bifold Door is a high-performance 4-panel folding system designed for wide openings, modern architecture, and elegant indoor–outdoor transitions.
At 120 inches wide (10 feet) and 80 inches tall, this model delivers a dramatic, unobstructed opening perfect for luxury homes, patios, restaurants, commercial storefronts, and new construction projects.

Engineered using thermal-break aluminum, double-tempered Low-E insulated glass, and Florida-approved hardware, the system provides exceptional structural strength, weather resistance, and lasting performance.
With the impact glass upgrade, this 120×80 model meets the strict requirements for Miami-Dade, Broward, HVHZ and all Florida coastal wind-borne debris zones.

FoldWindows™ includes a full 10-Year Warranty, ensuring durability, security, and flawless operation for years to come.

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🌡️ NFRC Certified Energy Performance

Series SP88T — Certification: NCTL-110-19955-1E0A0

FoldWindows™ SP88T Series is independently tested and certified by the NFRC.

ENERGY RATINGS

• U-Factor: 0.50
  High insulation value; reduces heat transfer.

• Solar Heat Gain Coefficient (SHGC): 0.20
  Blocks 80% of solar heat — ideal for hot, sunny climates.

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ADDITIONAL PERFORMANCE RATINGS

• Visible Transmittance: 0.36
  Bright natural light without heat overload.

• Air Leakage: ≤ 0.3
  Tight seal for energy efficiency and comfort.

• Condensation Resistance: 45
  Helps prevent interior moisture buildup and fogging.

FoldWindows™ uses Low-E glass, Argon-filled chambers, dual tempered glazing, and a thermal-break aluminum frame for industry-leading energy performance.

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🌴 Florida Building Code Compliance

Built for hurricane-zone performance.

The 120×80 model complies with:

✔ Florida Building Code (FBC)
✔ HVHZ – High Velocity Hurricane Zone
✔ Miami-Dade NOA (impact option)
✔ ASTM E1886 / E1996 impact standards
✔ AAMA & NFRC performance requirements

Impact-rated glass is recommended for:

• Miami

• Broward

• Palm Beach

• Tampa

• Naples

• All coastal wind zones

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🔥 Key Features

• Size: 120″ x 80″ (10 feet wide)

• Panels: 4-panel folding configuration

• Frame: Thermal-break aluminum

• Glass:

  • 5mm Low-E

  • 27A Argon Gas

  • 5mm Clear Tempered

• Impact Glass Option (HVHZ/Miami-Dade compliant)

• NFRC Certified – SP88T Series

• Ultra-smooth stainless steel rollers & hinges

• Full exterior weather-seal system

• Available in Matte Black or Matte White

• Perfect for commercial and residential use

• 10-Year Warranty

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📐 Technical Specifications

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• “FoldWindows 120×80 bifold door 4 panels aluminum”

• “10 ft bifold patio door thermal break aluminum”

• “NFRC certified folding door 120×80”

• “120×80 impact rated bifold door Florida approved”

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🔍 SEO Keywords

• 120×80 bifold door

• 4 panel folding door

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• thermal break bifold system

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❓ FAQ

Is the 120×80 model Florida approved?

Yes — and with the impact upgrade it meets HVHZ & Miami-Dade requirements.

Is this unit NFRC certified?

Yes — SP88T certified with ID NCTL-110-19955-1E0A0.

Does it include a 10-year warranty?

Yes — FoldWindows™ provides full warranty coverage.

Can it be used outdoors?

Yes — it is fully weather-sealed and rated for exterior use.

Can it be custom sized?

Yes — FoldWindows™ manufactures any custom width or height.