JUSEN · China Factory Direct

Steel Keel Double Gl | Office Partition China

Manufacturer in China

steel office door. modern design. Custom sizes available. OEM/ODM from JuSen factory, China.

15+ YearsManufacturing Experience

Product Overview

Engineered for sound attenuation in high-traffic commercial environments, this 108mm steel keel partition system integrates a 6mm + 12A + 6mm double-glazed unit with factory-installed built-in louvers. The steel keel framework provides dimensional stability for spans up to 3000mm in height, while the sealed air gap reduces sound transmission by up to 35 dB, meeting typical office and hospitality noise control requirements.

Key Specifications

Material Cold-formed galvanized steel keel, 1.2mm thickness
Door Thickness 108mm overall assembly
Fire Rating Not fire-rated; non-load bearing partition
Core 6mm tempered glass + 12A air gap + 6mm tempered glass with built-in aluminum louvers
Finish Powder-coated steel frame (RAL colors) or anodized aluminum trim
Max Size 1200mm width x 3000mm height per panel
Warranty 5 years against manufacturing defects

Available Options

  • Panel widths from 600mm to 1200mm; heights from 2000mm to 3000mm
  • RAL 9016 white, RAL 9005 black, or custom RAL powder coat for steel frame
  • Manual or motorized louver control; 25mm or 50mm louver blade width
  • Clear, frosted, or tinted glass (6mm or 8mm) for inner and outer panes

Applications

  • Open-plan office dividers requiring visual privacy with adjustable airflow
  • Conference room partitions where sound isolation between meetings is critical
  • Hotel corridor or lobby separation panels needing integrated light control
  • Hospitality reception areas combining transparency with noise reduction

Customization Capabilities

Dimensions, louver blade angle (0–90°), glass tint levels, and frame color can be tailored per project specifications. Additional sound-dampening infill between glass panes is available for enhanced STC ratings.

Packaging & Shipping

Each glass panel is individually crated with foam edge protectors; steel keel sections are bundled and strapped. Full container loads (FCL) ship within 25 days; less-than-container loads (LCL) within 30 days from order confirmation.

Why Choose Us

  • Factory-direct pricing with consistent 1.2mm steel gauge across all production runs
  • ISO 9001 certified manufacturing with 100% glass quality inspection before crating
  • Over 20 Years exporting steel partition systems to commercial projects in North America and Southeast Asia

Frequently Asked Questions

What is the sound reduction rating of this 108mm steel keel double glass partition?

The 6+12A+6 glass configuration with sealed air gap achieves a weighted sound reduction index (Rw) of approximately 35 dB, measured per ASTM E90 standards. This is suitable for reducing conversational noise between adjacent office zones but is not STC-rated for full acoustic separation.

Can the built-in louvers be controlled independently for each glass panel?

Yes, each glass panel’s louvers can be operated manually via a side crank or integrated into a motorized system with wall-mounted switches. Louvers are pre-installed inside the sealed air gap and are not field-adjustable without disassembling the glass unit.

Are these partitions suitable for wet areas like hotel bathrooms or pool enclosures?

This product is designed for dry interior applications. The steel keel and standard glass seals are not rated for continuous moisture exposure. For wet zones, specify an aluminum frame variant with silicone-sealed glass edges.

What is the minimum order quantity for custom RAL colors?

Custom RAL powder coat colors require a minimum order of 50 square meters per color to maintain consistent batch quality. Standard RAL 9016 and RAL 9005 are available with no MOQ.

How are the glass panels protected during overseas shipping?

Each double-glazed unit is packed in a plywood crate with 50mm foam padding on all edges. The crates are stackable and labeled with handling instructions. Steel keel sections are wrapped in VCI paper and strapped to pallets to prevent corrosion.

Get A Quote

Contact us for customized quotation, volume pricing, and project specifications. Response within 24 hours.

Why Choose JUSEN

A Professional Door Manufacturer China Buyers Rely On

From profile engineering to export packing, every stage is controlled in-house — giving importers, distributors and contractors predictable quality, lead time and specification compliance.
01

Energy Efficiency

Thermal break profiles and insulated glazing units engineered to meet regional energy and U-value requirements.
02

Custom Manufacturing

Non-standard sizes, opening styles, colours and hardware produced to your project drawings.
03

Quality Control

Incoming material inspection, in-process checks and pre-shipment testing on every production batch.
04

Factory Capability

CNC processing, automated assembly lines and dedicated export packing for container-load orders.
Technical Data

Technical Specifications

All parameters are configurable. Submit your project drawings for a tailored technical proposal.
Design Style

modern

Surface Finish

Powder Coating / Anodized / Wood Grain / Custom Colors

Door Material

steel

Application

office

Certification

ce

Need A Custom Specification?

Our engineering team reviews project drawings and returns a manufacturing proposal within 24 hours.
Wood door product engineering details
Engineering

Designed For Performance

Every JUSEN product is engineered with carefully selected materials, precision manufacturing and strict quality control to deliver reliable performance for residential and commercial projects.
Manufacturing Capability

From Factory Production To Global Projects

As a window supplier China importers work with directly, JUSEN controls the full chain — no trading middlemen, no outsourced quality risk.
MATERIAL INSPECTION
PRECISION PROCESSING
QUALITY TESTING
ASSEMBLY
EXPORT PACKING
STEP 01

Material Inspection

STEP 02

Precision Processing

STEP 03

Assembly

STEP 04

Quality Testing

STEP 05

Export Packing

120+

Production Capacity

Monthly output for container-scale project orders.

35+

Manufacturing Equipment

CNC centres, cutting, milling and automated assembly lines.

18+

Quality Control

Inspection checkpoints across the full production flow.

800+

Export Experience

Countries served across residential and commercial projects.

Applications

Built For Residential And Commercial Projects

Residential Villa

Large-span glazing and custom sizes for private villa developments.

Apartment Building

Standardised batch production for multi-unit residential blocks.

Hotel Project

Acoustic and thermal packages specified for hospitality projects.

Commercial Building

High wind-load systems engineered for commercial facades.
Related Solutions

OEM Doors And Windows Solutions By Project Type

Residential Door & Window Solution

Complete window and door packages for housing developments and renovations.

Commercial Building Solution

Engineered systems for offices, retail and mixed-use facades.

Hotel Project Solution

Acoustic, thermal and design-matched packages for hospitality builds.

Villa Customized Solution

Bespoke sizes, finishes and hardware for high-end villa projects.
OEM / ODM

OEM Doors And Windows Customization Service

Manufacture under your specification and your brand — from single custom units to full project volumes.

Custom Dimensions

Non-standard widths, heights and panel configurations.

Custom Colors

Powder coating, anodising and wood-grain finishes to RAL reference.

Custom Glass

Double, triple, laminated, tempered and Low-E glazing units.

Custom Hardware

Specified brands, handles, locking systems and accessories.

Private Label

Your logo, labels, manuals and branded export packaging.
01

Requirement Analysis

02

Engineering Design

03

Sample Confirmation

04

Mass Production

05

Shipment

Global Projects

Delivered Worldwide By A China Door Manufacturer

American style villa

United States

USA Villa Project

Custom sliding doors and large-span glazing for a private villa.
Australian modern residence

Australia

Australia Residential Project

Wind-load rated window systems for a coastal housing development.
Middle East architecture

Middle East

Middle East Commercial Project

Heat-resistant glazing packages for a commercial building facade.
Factory Inquiry

Looking For A Reliable Door & Window Manufacturer?

Send your project requirements and get a professional manufacturing solution from JUSEN.

Response within 24 hours · Engineering support included

Scroll to Top