Product Details
The DERCHI four panel sliding glass door is a heavy-duty balcony and patio door system engineered for projects that demand both thermal performance and structural resilience. Constructed with thermal break aluminum frames and double-glazed tempered glass, it reduces heat transfer by 40% compared to standard aluminum doors, directly lowering energy consumption in both residential and commercial buildings. The system is available in three tiers—Base, Advanced, and Pro—each offering progressively higher thermal efficiency and load capacity to match different project requirements and budgets.
Beyond energy performance, this door is designed for hurricane-prone and coastal environments, with verified wind resistance up to 140 mph exceeding EN 14351 Class 4. The inclusion of fiberglass and nylon screen netting options allows natural ventilation without compromising insect protection. For B2B buyers evaluating this product, it is important to confirm exact size requirements, model tier selection, and destination-market certification needs before placing an order, as dimensions and specific test report documentation should be validated per project.
Product Features
Thermal Break Aluminum Frame: The thermal break technology integrated into the aluminum frame reduces heat transfer by 40% compared to standard aluminum doors. This translates into measurable energy savings and improved indoor comfort, particularly relevant for projects in extreme climates. Buyers evaluating a four panel sliding glass door for energy-conscious developments should confirm which model tier (Base, Advanced, or Pro) best meets their U-value or R-value targets.
Hurricane Impact Resistance: Engineered to withstand high winds and flying debris, this door exceeds EN 14351 Class 4 with verified resistance up to 140 mph. This makes it suitable for coastal and storm-prone regions where building codes mandate impact-rated openings. Buyers should confirm local wind load requirements and verify that the selected configuration meets regional building authority approvals.
Double-Glazed Tempered Glass: The tempered double-glazed unit provides 30% better sound insulation than single-pane alternatives, achieving a 35 dB sound reduction. This benefits properties near traffic corridors or urban centers. The glass options include clear, tinted, and frosted variants, allowing specifiers to balance privacy, daylighting, and acoustic needs for each project.
Fire Resistance Rating: The door carries a CPR S3 classification with 30-minute fire resistance compliant with EN 13501-2, meeting EU fire safety regulations. This is a significant advantage for commercial projects requiring rated openings between compartments. Buyers should confirm whether this rating applies to their selected model tier and whether additional fire-rating documentation is needed for local permitting.
Screen Netting Options: Fiberglass and nylon screen netting options provide UV-resistant, insect-proof ventilation while allowing natural airflow. This feature enhances occupant comfort in balcony and patio applications. Buyers seeking a 4 panel sliding glass door with screen should confirm screen material availability and compatibility with their chosen configuration during the quotation process.
Customizable Styles
Glass Options: Clear, tinted, frosted, and double-glazed tempered glass options allow specifiers to tailor daylighting, privacy, and solar control for each project. Tinted glass reduces glare in sun-exposed facades, while frosted glass suits privacy-sensitive areas such as bathrooms or office partitions. Buyers should confirm glass thickness and whether laminated or Low-E coatings are available for enhanced performance in their specific climate zone.
Frame Material: The primary frame material is thermal break aluminum, with aluminum alloy and stainless steel components also referenced. The thermal break profile is essential for energy-efficient projects, while stainless steel elements may offer additional corrosion resistance in coastal environments. Buyers should clarify the exact frame composition for their selected model, as frame material affects both thermal and structural performance.
Color and Finish: Black is the standard finish, with the Advanced model offering over ten custom finishes and the Pro model providing fully bespoke color options. This range allows architects to match project aesthetics without compromising performance. Buyers should request color samples and confirm lead-time implications for non-standard finishes during project planning.
Model Tiers: Three performance tiers—Base (R-2.0), Advanced (R-3.0), and Pro (R-4.0)—cater to varying energy code requirements and budgets. The Advanced model achieves a U-value of 1.2 W/m²K, significantly outperforming the industry standard of 2.0. Buyers should evaluate local energy code compliance targets and select the tier accordingly, confirming R-value applicability for their specific size configuration.
Project Customization: For large-scale or architecturally driven projects, customization may include specialized glazing, unique dimensions, and specific hardware selections. Buyers pursuing four panel sliding glass door wholesale orders should discuss project-specific requirements early in the specification phase to ensure production feasibility and accurate pricing.
Hardware Accessories
Handle: Stainless steel handle hardware provides corrosion resistance and durability in high-traffic and coastal installations. Handle style and finish can influence the overall aesthetic of a four panel sliding glass door, so buyers should confirm available handle designs and whether options such as keyed locking or multi-point latching are offered for their selected model tier.
Rollers: The sliding mechanism relies on roller assemblies that bear the weight of large double-glazed panels. Smooth, reliable operation depends on roller quality and load capacity. Given the varying load ratings across model tiers (500 to 1000 kg/m²), buyers should verify that roller specifications match panel weight and that maintenance access for roller adjustment is included in the system design.
Locking System: Security hardware is critical for both residential and commercial applications. Buyers should confirm the lock type, keying options, and whether multi-point locking is available. For hurricane-rated installations, lock engagement and strike plate reinforcement should be validated against impact test requirements to ensure the complete assembly performs as certified.
Track System: The track and guide system determines operational smoothness and long-term durability. Stainless steel guide tracks resist corrosion and maintain alignment under heavy panel loads. Buyers evaluating aluminium lift and slide doors or standard sliding configurations should confirm track material, drainage provisions, and whether the track profile suits their threshold and sill design requirements.
Optional Built-in Blinds: Integrated blinds between glass panes offer light control and privacy without external window treatments, reducing maintenance and improving aesthetics. This optional add-on may affect lead time and pricing. Buyers should confirm availability for their selected glass type and whether the blind control mechanism (manual or motorized) meets project accessibility requirements.
Basic Parameters
Performance Item | Available Information | Buyer Notes |
|---|---|---|
Thermal Insulation | 40% heat transfer reduction vs standard aluminum; Advanced U-value 1.2 W/m²K | Confirm R-value/U-value for your specific size and model tier before ordering |
Wind Pressure Resistance | Verified 140 mph; exceeds EN 14351 Class 4 | Confirm local wind load requirements; note that higher wind speed claims exist but require verification |
Water Tightness | Airtight seals included; specific water tightness class to be confirmed | Request water tightness test data for your target market and installation conditions |
Air Tightness | Airtight seals contribute to up to 30% energy consumption reduction | Confirm air permeability class documentation for building code compliance |
Sound Insulation | 35 dB reduction; 30% better than single-pane systems | Verify STC rating equivalence for your market and confirm glass configuration impact on acoustic performance |
Product Specifications
Item | Details |
|---|---|
Product Name | Heavy Duty Thermal Break Balcony Sliding Door |
Product Type | Four panel sliding glass door |
Material | Thermal break aluminum, aluminum alloy, stainless steel components |
Glass Type | Tempered double-glazed |
Glass Thickness | Confirm with supplier based on model and configuration |
Frame Option | Thermal break aluminum (primary) |
Hardware | Stainless steel hardware; optional built-in blinds |
Opening Style | Four-panel sliding |
Size Range | Available upon request; confirm project dimensions with supplier |
Application | Residential, commercial, coastal/hurricane-zone projects |
Customization | Glass type, frame finish, model tier, screen netting, hardware options |
Notes | Size specifications, MOQ, lead time, and warranty terms to be confirmed before ordering |
Advantages
Brand Strength: DERCHI backs this four panel sliding glass door with verified test standards including EN 14351, ASTM E330, ASTM B117, and EN 13501-2, providing quantifiable performance data rather than vague marketing claims. B2B buyers benefit from this transparency when specifying products for regulated projects that require documented compliance evidence.
Factory Capability: The product line spans three distinct performance tiers with specific load capacities (500 to 1000 kg/m²) and thermal ratings, indicating manufacturing flexibility to produce varied configurations. Buyers should request factory audit documentation and production capability details relevant to their order volume and customization needs.
Production Capacity: Capacity details should be confirmed with DERCHI based on order volume, model tier, and customization level. Buyers with large-scale project timelines should discuss production scheduling and allocation early in the procurement process to ensure on-time delivery.
Certifications: The door holds certifications spanning impact resistance (EN 14351), structural performance (ASTM E330), chemical resistance (ASTM D3163), salt spray corrosion (ASTM B117), fire safety (EN 13501-2), and thermal performance (ISO 10077-2). Buyers should confirm whether each certification applies to their selected configuration and target market.
Customization Capability: With multiple glass types, frame finishes, screen options, hardware choices, and three model tiers, the system accommodates diverse architectural requirements. Buyers should confirm the extent of customization available at each tier and any associated minimum order or lead-time adjustments.
B2B Support: Suitable for commercial contractors, architects, residential builders, hospitality developers, and coastal property developers, the product addresses multiple buyer profiles. Project-specific documentation, technical drawings, and compliance support should be confirmed with DERCHI during the quotation and specification phase.
Application Scenarios
Apartment: In multi-unit residential buildings, a four panel sliding glass door maximizes natural light in living areas while providing balcony access. The double-glazed tempered glass reduces noise transmission between units and exterior traffic, and the thermal break frame helps maintain indoor temperatures, lowering HVAC costs for residents. Property developers should confirm size compatibility with standard apartment balcony openings and whether building codes require specific impact or fire ratings.
Home Office: For home offices adjacent to patios or gardens, this door creates a visually open workspace while maintaining acoustic separation from outdoor noise. The 35 dB sound reduction helps maintain concentration, and screen netting options allow fresh air without insect intrusion. Buyers should verify that the threshold design accommodates any floor-level differences between interior and exterior surfaces.
Hotel: Hotels benefit from the door's combination of aesthetics, durability, and hurricane impact resistance for ground-floor lobbies, poolside access, and suite balconies. The sleek sliding mechanism suits high-traffic hospitality environments where smooth operation and low maintenance are essential. Hotel developers should confirm compliance with local hospitality fire codes and whether the CPR S3 fire rating meets their compartmentation requirements.
Office Building: Commercial office spaces use this thermal break sliding door to connect interior work areas with terraces or courtyards, enhancing employee wellbeing through natural light and ventilation access. The stainless steel hardware withstands heavy daily use. Facility managers should confirm wind load ratings for their building height and whether the door integrates with existing building management or access control systems.
Outdoor: For outdoor or exterior-related projects, buyers should confirm weather resistance, water tightness, wind pressure requirements, surface finish durability, and installation conditions before ordering. The door's hurricane impact rating and salt spray corrosion certification (ASTM B117) suggest suitability for exposed environments, but project-specific validation is recommended.
Residential Building: In single-family and multi-family residential construction, this door bridges indoor living spaces with outdoor areas such as courtyards and poolside zones. The three model tiers allow builders to match energy code requirements at different price points. Builders should confirm available sizes, lead times, and whether screen netting is included or ordered separately.
Exterior: As an exterior-facing product, the door must withstand weather exposure, UV radiation, and temperature cycling. The thermal break aluminum frame and powder-coated finish resist corrosion, while airtight seals prevent water and air infiltration. For exterior applications, buyers should confirm water tightness class, drainage provisions at the sill, and compatibility with local weatherproofing standards.
Villa: Luxury villas often feature large openings connecting interior living spaces with landscaped exteriors. The four-panel configuration provides expansive views and wide access, while the Pro model tier offers the highest thermal performance for energy-conscious owners. Villa developers should confirm bespoke color and finish options available on the Pro model, as well as any specialized glazing for privacy or solar control.
Request a Quote
To request a quotation for the DERCHI four panel sliding glass door, please prepare and submit the following details:
Product name and desired quantity
Opening dimensions (width and height)
Model tier preference (Base, Advanced, or Pro)
Glass type and any special glazing requirements
Frame color or finish selection
Hardware and screen netting preferences
Target market and destination country or port
Certification or compliance documentation needs
Project drawings or specifications if available
Providing complete information ensures accurate pricing and production planning for your project. Contact DERCHI directly to discuss wholesale, custom, or multi-slide doors replacement requirements.
What to Confirm Before Ordering
Size and Dimensions: No standard size range is published; confirm maximum and minimum opening dimensions with DERCHI for the four-panel configuration before finalizing project drawings.
Wind Speed Rating: Both 140 mph and 200 mph wind resistance claims exist in product data. Buyers must clarify which rating applies to their selected model and confirm it meets local building code wind load requirements.
Bullet Resistance: An NIJ Level 3A bullet resistance claim has been referenced but requires verification. Do not specify this door for ballistic-rated applications without explicit written confirmation from DERCHI on applicable models and test documentation.
MOQ and Lead Time: Neither minimum order quantity nor production lead time has been published. Confirm both before committing to project schedules.
Warranty Terms: Warranty coverage for frames, glass, hardware, and seals has not been specified. Request written warranty documentation before ordering.
Test Report Numbers: While certification standards are listed, actual test report numbers and certificate copies should be requested for building permit submissions and audit compliance.
FAQ
What is a four panel sliding glass door and how does it operate?
A four panel sliding glass door consists of four glass panels within a single frame, typically with two fixed end panels and two center panels that slide horizontally to create a wide opening. This configuration provides a broader access point compared to two-panel sliders, making it well-suited for patios, balconies, and commercial terraces. The DERCHI system uses thermal break aluminum frames and stainless steel hardware for smooth, durable operation. Buyers should confirm panel configuration options and whether center-opening or offset-opening designs are available for their specific project layout.
Can this door be used as a hurricane impact sliding door in coastal regions?
Yes, this door is designed as a hurricane impact sliding door with verified resistance to winds up to 140 mph, exceeding EN 14351 Class 4. It is engineered to withstand high winds and debris impact, making it suitable for storm-prone coastal areas. Additionally, the ASTM B117 salt spray corrosion certification supports longevity in marine environments. However, buyers must confirm that the specific model tier and configuration they select meets local building code requirements for their coastal zone, as wind speed and impact test criteria vary by jurisdiction.
What certifications does this thermal break sliding door hold?
This thermal break sliding door holds certifications including EN 14351 (impact resistance), ASTM E330 (structural wind load performance), ASTM D3163 (chemical resistance), ASTM B117 (salt spray corrosion), EN 13501-2 (fire safety, 30-minute rating), CPR (Construction Product Regulation), EN 1279 (insulating glass units), and ISO 10077-2 (thermal performance). While the list is extensive, buyers should confirm which certifications apply specifically to their selected model tier and whether test report numbers and certificate copies are available for building permit submissions and project audits.
What information do I need to provide for a quotation?
To receive an accurate quotation, provide the product name, required quantity, opening dimensions (width and height), preferred model tier (Base, Advanced, or Pro), glass type selection, frame color or finish, hardware preferences, screen netting requirements, target market and destination country or port, any certification or documentation requirements, and project drawings if available. Since pricing varies by configuration and volume, having this information ready ensures a more precise and timely quote response.
Is this four panel sliding glass door available with a screen?
Yes, the door offers screen netting options in fiberglass and nylon, both UV-resistant and insect-proof. This allows natural ventilation while keeping insects out, which is especially valuable in residential balcony and patio applications. Buyers looking for a 4 panel sliding glass door with screen should confirm screen material availability, whether the screen is retractable or fixed, and any impact on the frame dimensions or installation requirements during the specification process.
What are the differences between the Base, Advanced, and Pro models?
The three model tiers differ primarily in thermal efficiency and load capacity. The Base model offers standard R-2.0 thermal efficiency and 500 kg/m² load capacity. The Advanced model provides enhanced R-3.0 thermal efficiency with a U-value of 1.2 W/m²K, 700 kg/m² load capacity, and additional certifications including CPR S3 fire resistance. The Pro model delivers premium R-4.0 thermal efficiency and 1000 kg/m² load capacity with fully bespoke finish options. Buyers should evaluate their project's energy code requirements, structural loads, and aesthetic needs to select the appropriate tier.
Does DERCHI offer OEM or ODM services for this product?
OEM and ODM capability information has not been explicitly confirmed. Distributors and brand owners interested in partnership opportunities for aluminium lift and slide doors or four panel sliding glass door wholesale arrangements should discuss branding, packaging, and customization options directly with DERCHI during initial inquiries. Confirming production flexibility and intellectual property arrangements early helps streamline the partnership evaluation process.
What should I confirm before placing a bulk order for a commercial project?
Before placing a bulk order, confirm exact opening dimensions, model tier selection, glass type and thickness, frame finish and color, hardware specifications, screen requirements, certification documentation for your target market, MOQ and pricing tiers, production lead time, shipping terms and destination port, warranty terms, and whether project-specific test reports are available. Also verify packaging methods to ensure safe transit for large glass panels. Addressing these items during the quotation phase minimizes delays and misalignment during production and delivery.
