The 93 Series acoustic accordion doors from Guangdong Deji Youpin use a top-hung, bottom-rolling folding mechanism built for commercial projects requiring wide openings. The thermal break structure pairs a 14.8mm insulation strip with a 27A air gap inside 2.0mm aluminum profiles.
- Hidden hinges that close flush for a clean, uncluttered surface
- Reinforced center post between panels to raise wind pressure resistance
- Adjustable hinges with balance bearings to counter panel sag over time
- High track or water-blocking low track options to suit site conditions
Product Details
The system hangs from a 2.5mm thick upper track (model FQ-170-318/319), transferring primary weight to the header while keeping the floor clear. The 2.0mm main frame and sash profiles house a 14.8mm thermal break strip and a 27A air gap, separating interior and exterior temperatures more effectively than single-skin alternatives.
Anti-sag measures run through the engineering: an even-panel design recommendation, adjustable hinges with integrated balance bearings, and a reinforced center post (FQ-170-306/307, 2.0mm) that centralizes load at the door's core. Installers choose between a high track (93mm wide, approx. 48/63mm tall) or a water-blocking low track (93mm wide, approx. 18/33mm tall) depending on drainage needs. The bottom guard plate is a selectable add-on for panels subject to heavy foot traffic.
Product Features
Thermal Break Insulation: A 14.8mm strip paired with a 27A air gap limits heat transfer through the frame, supporting building energy management in varied climates.
Anti-Sag Engineering: Even-panel recommendations, adjustable hinges, and balance bearings work together to minimize panel droop over extended use.
Hidden Hinge Aesthetics: Hinges sit fully concealed when the door closes, presenting a clean, uninterrupted surface to the room.
Reinforced Center Post: A center post between panels concentrates force at the core, raising wind pressure resistance and structural rigidity.
Flexible Track Options: Choose a high track for standard openings or a water-blocking low track for areas where moisture control is a priority.
Smooth Operation: Balance bearings built into the hinge mechanism allow panels to fold with minimal manual effort during daily use.
Customizable Styles
Glass Configuration: Upgrade from standard 5+27A+5 double glazing to 5G+27A+5G, or integrate 27A electric blinds for privacy control.
Panel Dimensions: Specify panel widths from 500–850mm and heights from 1000–3800mm to match project opening requirements.
Track System: Select a high track or a water-blocking low track based on the installation environment and drainage needs.
Grid Bars: Add optional 25×25 grid bars between glass panes for a decorative accent that suits traditional or transitional interiors.
Bottom Guard Plate: Include a selectable bottom protector on door panels to defend against foot traffic wear in busy commercial settings.
Hardware Accessories
Adjustable Hidden Hinges: Concealed when closed, with built-in adjustment to correct post-installation sag and maintain panel alignment.
Balance Bearings: Integrated into the hinge assembly to reduce friction and keep folding motion consistent over time.
Keyed Lock Cylinder: Standard lock with key provides secure closure for spaces requiring restricted access after hours.
Reinforced Center Post: Fitted between panels to distribute load evenly and increase resistance against wind pressure.
Upper Track: A 2.5mm thick top rail provides a stable suspension base for the top-hung folding mechanism.
Basic Parameters
Performance Item | Available Information | Buyer Notes |
|---|---|---|
Thermal Insulation | 14.8mm thermal strip + 27A air gap | Request official K-value or U-value test reports for project compliance. |
Wind Pressure Resistance | Reinforced center post design | Confirm specific wind load grades with the factory for your location. |
Water Tightness | Water-blocking low track option | Ask the manufacturer for water tightness test certificates before ordering. |
Air Tightness | Structural data not provided | Buyers should request air permeability test reports for specification needs. |
Sound Insulation | Structural data not provided | Acoustic ratings are unconfirmed; buyers must request STC test data directly. |
Product Specifications
Parameter | Detail |
|---|---|
Product Name | 93 Series Thermal Break Accordion Door |
Product Type | Folding Door (Thermal Break) |
Profile Wall Thickness | 2.0mm (Main Frame and Sash) |
Insulation Strip | 14.8mm |
Standard Glass | 5+27A+5 / 5G+27A+5G |
Panel Width Range | 500–850mm (Confirm if single panel) |
Panel Height Range | 1000–3800mm (Confirm if single panel) |
Upper Track Thickness | 2.5mm |
Grid Bar Model | 25×25 |
Opening Style | Top-hung, bottom-rolling fold |
Fixed Glass | Not available (cannot add top fixed glass) |
Spacer Bar | Black fluorocarbon, branded |
Customization | Track type, glass, electric blinds, bottom guard plate |
Notes | Even panel count recommended; confirm whole-door dimensions with factory |
Advantages
Structural Stability: 2.0mm profiles and reinforced center posts provide reliable framing for commercial installations.
Low Maintenance Operation: Adjustable hinges and balance bearings limit sag issues, reducing long-term service calls.
Project Flexibility: Multiple track and glass configurations adapt to varied architectural and environmental requirements.
Clean Visual Design: Hidden hinges and even-panel layouts deliver a streamlined, professional appearance.
Thermal Efficiency: The thermal break structure with a wide air gap supports building energy performance targets.
Application Scenarios
Apartment: Divides living areas from balconies with a wide opening, allowing natural light while the thermal break helps manage indoor temperatures.
Home Office: Creates a separable workspace that folds away when not in use, maintaining an open feel without permanent walls.
Hotel: Opens ballrooms or conference areas to outdoor terraces, giving event planners flexible layout control for varying group sizes.
Office Building: Segments large floor plates into meeting rooms on demand, with the hidden hinge keeping corporate interiors visually tidy.
Outdoor: Shields covered patios from wind; buyers must confirm weather resistance, water tightness, and surface finish suitability for exposure.
Residential Building: Connects communal spaces like dining and garden zones, where the water-blocking low track helps manage threshold drainage.
Exterior: Closes off verandas or loggias; verify wind pressure capacity, seal integrity, and installation conditions with the factory beforehand.
Villa: Spans wide openings between interior halls and pool decks, pairing the acoustic accordion doors with electric blinds for instant privacy.
FAQ
What are acoustic accordion doors?
They are top-hung folding doors built with a thermal break structure. While marketed with an acoustic focus, buyers must request specific sound insulation test data from the manufacturer to verify performance.
Where can these folding doors be used?
They suit apartments, hotels, villas, and offices requiring large, unobstructed openings. For exterior or outdoor use, confirm water tightness and wind resistance ratings with the factory first.
Can the doors be customized?
Yes. Panel sizes range from 500–850mm wide and 1000–3800mm high. Glass can be upgraded to electric blinds, and tracks are available in high or water-blocking low profiles.
What information is needed for a quote?
Provide total opening dimensions, desired panel count, track type preference, glass configuration, and any hardware or finish requirements. Specifying these details ensures accurate pricing from the supplier.
Are they suitable for B2B projects?
Yes. The even-panel design, reinforced center post, and adjustable hinges address commercial durability concerns. Project buyers should request official test reports for specification compliance.
Are technical documents available?
The manufacturer provides technical documentation compiled by their R&D department. Buyers should request cross-section drawings, assembly details, and performance certificates for their specific configuration.
What should buyers confirm before ordering?
Verify whether dimensions refer to single panels or whole doors, confirm glass safety requirements like tempering, and decide between high or low track options based on site drainage conditions.
How should buyers confirm certification, packaging, and shipping?
Discuss target market certifications, protective packaging standards, and shipping logistics directly with the acoustic accordion door factory before production to ensure compliance and safe delivery.
