Premium 68 Series Thermal-Break Aluminum Bi-Fold Doors

Folding Door Series

Premium 68 Series Thermal-Break Aluminum Bi-Fold Doors

Detailed system configuration for System Doors & Windows series. Includes glazing, profile, hardware compatibility and insulation structure details.

Specifications

Ebon Tongtai - Exploring Beauty, Offering Novelty

20+ years

Deeply committed to high-performance thermal-break windows and doors.

100,000 m²

Four modern intelligent manufacturing bases across China.

200+

High-performance thermal-break window & door technology patents.

≥97%

3i-Low-E glass advanced thermal & UV solar protection.

Technical Parameters

Parameter	Specification
Profile Material	6063-T5
U-Value	1.2 W/m²K
Wind Resistance	Class 8

Key Specifications

Parameter	Specification
Profile Thickness	2.0mm
Outer Frame Width	68mm
Glass Configuration	8mm+27A+8mm Insulated Glass
Reference Dimension	Sash width: 500mm-700mm, Sash height: 1800mm-2500mm

Ebon Tongtai - Exploring Beauty, Offering Novelty

20+ years

Deeply committed to high-performance thermal-break windows and doors.

100,000㎡

Four modern intelligent manufacturing bases.

200+

High-performance thermal-break window and door technology patents.

≥97%

3i-Low-E glass-advanced thermal insulation with over 97% UV blocking & 95% IR blocking, 10℃ cooler than ordinary glass.

Performance Ratings

Level 3

Air Tightness

Level 3

Water Tightness

Level 4

Wind Resistance

25 dB

U-Value (Thermal Insulation)

3.5 W/(㎡·K)

Sound Insulation

Performance Advantages:

● Highstrength 6063T5 aluminum profiles

● 90° folding design saves space when opened

● Concealed overhead track with a central pivot for a minimalist, stylish appearance● Premium powdercoating finish with superior weather resistance and refined texture● EPDM foam sealing gasket offering excellent weather resistance● Optional decorative glass featuring innovative designs and exquisite craftsmanship

Technical Drawings

Sales Colors

Category	Available Colors
Interior Colors	Starry Sky Grey, Cream White, Elegant Black
Exterior Colors	Starry Sky Grey, Cream White, Elegant Black

Item	Dimension Data
Main Material Thickness	2.0MM
Sash Width & Thickness	Sash width 68mm, sash thickness 56.5mm, glass groove 40mm
Frame Width & Height	Wall occupation 77.3mm, narrow frame 41mm, wide frame 53mm

Configuration	Opening Sash Glass
Standard	5+27A+5 insulated glass, bent grey aluminum strip with logo, internal and external gluing
Optional	6+24A+6 insulated glass, bent grey aluminum strip with logo, internal and external gluing

Item	Specification
Standard Configuration (Available)	1. Standard type: Outward opening folding door 2. Fittings: KSBG handle and hardware accessories 3. Size limit: Sash width 500-700mm, height 1800-2500mm, single sash load 40kg Recommended handle height: ≥950mm

● Unobstructed Panoramic Views: Featuring a minimalist narrow frame design, the door panels stack completely out of the way when folded, maximizing your opening and inviting breathtaking snow mountain views seamlessly into your interior.● Ultimate Thermal Insulation: Crafted with premium thermal break aluminum profiles and multi-layer 3i-Low-E insulated glass, this system effectively blocks indoor-outdoor heat transfer. It keeps the interior as warm as spring even in freezing weather while preventing glass condensation.● Heavy-Duty Capacity & Smooth Operation: Engineered specifically for oversized and ultra-high glass panels. Equipped with imported load-bearing rollers and a precision hardware system, it ensures light, smooth sliding and folding without sagging over time.● Barrier-Free Flush Track Design: The bottom track utilizes a recessed or ultra-low profile design, providing a seamless transition between indoor and outdoor flooring. It prevents tripping, is easy to clean, and visually extends your living space.● High-Standard Weather Sealing: Utilizing automotive-grade EPDM weatherstripping with a multi-layered seal structure, it maintains superior wind resistance and watertight performance even in the harshest weather conditions.