The Low-Profile Three-Lite Slider Windows are thermal break aluminum sliding windows for project buyers evaluating facade combinations and safety hardware.
- Uses amber custom silent dual-wheel pulleys and an upper anti-typhoon/anti-swing wheel.
- Supports openable guardrails, child limiters, and key management.
- DERCHI manufactures these windows on an Industry 4.0 automated production line and holds 100+ national patents.
- Provides one-stop service from consultation to delivery, backed by 200,000+ completed cases across 100+ countries.
Product Details
The low-profile three-lite slider window is built with a 6063-T5 thermal break aluminum profile and PA66 insulation components, using a multi-cavity frame and sash structure with integral bonded glass and hidden hardware for a minimalist facade. Operation relies on amber custom silent dual-wheel pulleys and an upper anti-typhoon/anti-swing wheel, while the track includes anti-theft blocks and anti-detachment components; a Homan side-mounted hidden automatic lock sits on the sash edge and auto-engages when the sash is pushed to the closed position. High-low tracks create a height difference between the indoor side and outdoor drainage side, and integral bonded glass, corner sealing and track end blocking control water penetration paths.
Configuration logic centers on choosing between a two-track frame at approximately 94 mm width for compact window types and a three-track frame at approximately 121 mm width that adds a screen and wider ventilation. Active sash dimensions range from 350 to 1100 mm in width and 500 to 2100 mm in height, and available layouts include two-sash, three-sash, four-sash, six-sash, fixed plus opening, top light, bottom fixed, horizontal multi-combination and arched upper fixed area. Project delivery documents can output finished sizes, fixed/active divisions, two-track/three-track, glass, screen, color, hardware color, guardrail, edge wrapping and drainage direction per window number.
Product Features
Series E3T low-profile three-lite slider window from DERCHI — identifies the product line for project specification.
Full-hidden thermal break sliding window — select for clean-facade applications with concealed hardware.
6063-T5 thermal break aluminum profile with 1.8 mm main wall thickness — sets frame strength and thermal-break baseline.
Two-track frame width approximately 94 mm — choose for compact openings without screen sash.
Three-track frame width approximately 121 mm — choose when screen sash or wider ventilation is needed.
Active sash range: width 350–1100 mm, height 500–2100 mm — defines operable opening dimensions for layout planning.
Water tightness ~450 Pa (Class 4), air tightness ~4.5 m³/(m·h) (Class 6), sound insulation ~30 dB (Class 3), thermal insulation ~2.5 W/(m²·K) (Class 5), wind pressure resistance ~5 kPa (Class 9) — match to project performance thresholds.
Three-track screen options: high-transparency mesh, 304 stainless steel safety mesh, or automatic hook lock screen sash — select by insect, security, or auto-lock requirement.
Optional openable guardrail, child limiter, and key management — add for child-safety or access-control needs.
Arched upper fixed area possible while active sliding area keeps straight track — select for arched-top designs.
Four-layer packaging: anti-scratch film, wear-resistant buffer, waterproof outer film, fully enclosed wooden frame — choose for port or door-to-door transport.
Customizable Styles
Glass: standard 5 mm + 12A + 5 mm double tempered insulating glass; argon fill with PVDF spacer available; optional Low-E, laminated, frosted, tinted, reflective, triple glazing, or high-security glass.
Sash layout: two-sash, three-sash, four-sash, six-sash, fixed plus opening, top light, bottom fixed, horizontal multi-combination, or arched upper fixed area.
Edge wrapping: approximately 47, 70, 75, 100 mm, or Euro 80/110 mm.
Finish: powder coating, PVDF, wood grain, or dual-color; common colors include Sand Gray, Dark Coffee, Black Crystal, Star Black, Light Coffee, White, Dark Skin, Black Walnut, Pear Wood, Fluorocarbon Flash Silver, Indigo Gray, and Mint Gold.
Active sash dimensions: width 350–1100 mm, height 500–2100 mm; maximum single fixed glass area approximately 3.5 m².
Hardware Accessories
Homan side-mounted hidden automatic lock is located on the sash edge and auto-engages when the sash is pushed to the closed position; handle, lock body, and part of the drive are hidden into the sash side.
Automatic hook locks can be used for both glass sash and screen sash.
Amber custom silent dual-wheel pulley and anti-typhoon/anti-swing upper wheel are used for sliding operation.
Track includes anti-theft blocks, anti-detachment components, and anti-lifting blocks.
Hardware is available in black or silver to match dark narrow frames.
Child limiter and key management are optional accessories.
Openable guardrail is optional and only for corresponding three-track combinations; the three-track version can be equipped with high-transparency screen mesh, 304 stainless steel safety mesh, or automatic hook lock screen sash.
Confirm optional hardware selections and track configuration with the project team before finalizing specifications.
Basic Parameters
Dimension | What It Measures | Product Value |
|---|---|---|
Thermal Insulation | Heat transfer through the window assembly; confirm the thermal transmittance report for the project. | ~2.5 W/(m²·K), Class 5 |
Wind Pressure Resistance | Structural deflection under wind load; confirm the wind load test report for the project. | ~5 kPa, Class 9 |
Water Tightness | Rainwater penetration under pressure differential; confirm the water penetration test report for the project. | ~450 Pa, Class 4 |
Air Tightness | Air infiltration through closed sashes; confirm the air infiltration test report for the project. | ~4.5 m³/(m·h), Class 6 |
Sound Insulation | Acoustic attenuation through the assembly; confirm the acoustic insulation test report for the project. | ~30 dB, Class 3 |
Product Specifications
Profile material | 6063-T5 thermal break aluminum |
Profile wall thickness | 1.8 mm |
Two-track frame width | approximately 94 mm |
Three-track frame width with screen | approximately 121 mm |
Sash insulation component | approximately 10 mm PA66 |
Frame/track insulation component | approximately 24 mm PA66 |
Standard glass | 5 mm + 12A + 5 mm double tempered insulating glass |
Maximum single fixed glass area | approximately 3.5 m² |
Active sash width range | 350–1100 mm |
Active sash height range | 500–2100 mm |
Edge wrapping options | approximately 47, 70, 75, 100 mm, Euro 80/110 mm |
Confirm track configuration: two-track or three-track with screen
Specify active sash width within the 350–1100 mm range
Specify active sash height within the 500–2100 mm range
Confirm glass configuration: standard 5 mm + 12A + 5 mm double tempered insulating or optional upgrade
Indicate if argon-filled glass cavity with PVDF spacer is required
Indicate required edge wrapping dimension
Select color finish from powder coating, PVDF, wood grain, or dual-color options
State project quantity
Advantages
DERCHI operates an approximately 150,000 m² modern production base equipped with an Industry 4.0 intelligent automated production line.
An annual production capacity of approximately 600,000–800,000 m² sustains large-batch stable project delivery.
A national standard testing center conducts 100% pre-shipment inspection on every order.
Products have passed NFRC, AS2047, CE, CSA, and ISO9001 certifications.
A team of 20+ professional R&D experts holds 100+ national patents covering invention, appearance, and design patents.
Project delivery documentation is generated per window number for order traceability and installation coordination.
Design-engineering collaboration supports project-specific special-shaped fixed area requirements.
One-stop service runs from product consultation, scheme design, order production to delivery.
The brand carries 15+ years of industry experience with 200,000+ completed successful cases across residential, villa, commercial, and high-end projects.
Global business covers 100+ countries with 700+ dealers and partners for international market service.
An approximately 4,000 m² showroom and 3,000 m² exhibition office space are available for project coordination.
Application Scenarios
Project Scenario | Evidenced Fit | Condition to Check Before Specifying |
|---|---|---|
Modern residences | Suitable | Whether traditional crescent locks would disrupt interior visual aesthetics |
Hotels | Suitable | Whether traditional crescent locks would disrupt interior visual aesthetics |
Fully-fitted apartments | Suitable | Whether project requires special-shaped fixed areas |
Landscape bedrooms | Suitable | Whether traditional crescent locks would disrupt interior visual aesthetics |
Designer projects | Suitable | Whether project requires special-shaped fixed areas |
Villas | Applicable | Architectural style compatibility |
Commercial buildings | Applicable | Architectural style compatibility |
High-end engineering projects | Applicable | Facade combination requirements |
FAQ
What must be confirmed technically?
Project delivery documents are output per window number and include size, divisions, track type, glass, screen, color, hardware color, guardrail, edge wrapping, and drainage direction. The two-track and three-track modular system supports project standardization, and special-shaped fixed areas can be expanded for project requirements.
What should buyers prepare for volume procurement?
Prepare per-window-number specifications covering size, divisions, track type, glass, screen, color, hardware color, guardrail, edge wrapping, and drainage direction for project delivery documents. Four-layer packaging protection supports port or door-to-door transport for large-batch delivery, and annual production capacity of 600,000–800,000 m² with 700+ dealers and partners supports stable international project delivery.
Which test reports or compliance documents must be confirmed for the project?
Request test reports and compliance documents that correspond to the confirmed configurations for size, divisions, track type, glass, screen, color, hardware color, guardrail, edge wrapping, and drainage direction, and verify that documentation covers each window number in the delivery schedule.
Which product details require confirmation before selection?
Confirm size, divisions, track type, glass, screen, color, hardware color, guardrail, edge wrapping, and drainage direction per window number, and determine whether two-track or three-track modular configuration applies to the project.
Which commercial terms and documents must be confirmed before quotation?
Prepare per-window-number delivery specifications covering size, divisions, track type, glass, screen, color, hardware color, guardrail, edge wrapping, and drainage direction, and confirm transport terms for port or door-to-door delivery under four-layer packaging protection.
Which hardware options require project-specific confirmation?
Confirm hardware color per window number and select two-track or three-track modular configuration based on project standardization requirements.
