sliding glass doors with blinds

Product Details

The DERCHI Q15 Heavy Large Sliding Door is designed for architectural projects where expansive glazing, structural integrity, and environmental performance must coexist. Built with 6063-T5 thermal break aluminum profiles at 2.2mm thickness, the system provides a rigid frame that resists deformation under high wind loads while maintaining a slim 43mm frame face width for a clean, minimalist appearance. The thermal break technology interrupts conductive heat paths through the aluminum, helping the system achieve a verified U-Factor of 0.28 U.S./I-P, which directly contributes to lower heating and cooling energy consumption in the building.

For buyers evaluating sliding glass doors with blinds, the Q15 offers an alternative approach: rather than integrating mechanical blinds between glass panes, the system provides glass options such as tinted, reflective, and Low-E that deliver varying levels of privacy, solar control, and daylight management. These glass types reduce the maintenance concerns associated with internal blinds — such as dust accumulation, mechanism failure, and condensation between panes — while still achieving the light-filtering and visual-screening functions that blinds provide. Buyers whose projects specifically require integrated between-glass blinds should confirm availability with the supplier before ordering, as the standard configuration does not include this feature.

Structurally, the Q15 employs a frame-and-panel construction with an embedded micro-gap track and brand-customized double-row quiet rollers, ensuring smooth and stable operation even for large, heavy panels. The anti-sway positioning wheel prevents lateral panel movement during sliding, and the hidden drainage system manages water runoff without compromising the exterior aesthetic. With wind pressure resistance rated at 4.5 kPa and water tightness at 450 Pa, the system is built for exterior exposure in regions that experience severe weather. Sound insulation of 35 dB makes it suitable for properties near traffic corridors or urban noise sources, contributing to quieter interior environments.

Product Features

• Embedded Micro-gap Track Design: The track system uses an embedded micro-gap construction that minimizes the clearance between the sliding panel and the track surface. This design reduces debris accumulation that can cause jerky or uneven panel movement over time, and it contributes to a tighter seal when the door is closed. For procurement evaluation, buyers should confirm the track material specifications and expected service life under the anticipated frequency of use, especially for high-traffic commercial installations where the track will bear repeated opening and closing cycles throughout each day.

• Frame-and-Panel Structure: The Q15 uses a frame-and-panel construction method rather than a simple sash-and-rail approach, which distributes structural loads more evenly across the door system. This contributes to the panel stability required for large-format openings up to 4000mm x 6000mm. Buyers assessing this system for high-rise or wind-exposed installations should request documentation on how the frame-and-panel interface performs under sustained wind load conditions, and confirm that the structural calculations align with local building code requirements for the intended application.

• Siliconized Felt Sealing Strip: High-quality siliconized felt sealing strips are applied at critical contact points between the frame and panels to enhance weatherproofing and thermal insulation. The siliconized treatment improves the strip's resistance to moisture absorption and UV degradation compared to standard felt materials. Buyers should verify the expected service life of these sealing strips in their specific climate conditions, particularly in regions with extreme temperature swings or high humidity, and confirm whether replacement strips are available through the supplier's after-sales service network.

• Hidden Drainage Design: The drainage system is integrated into the frame profile in a way that conceals the drainage channels from view, preserving the minimalist exterior appearance while effectively channeling infiltrated water away from the interior. This is particularly important for large sliding doors where the glass area is substantial and water runoff volume during heavy rain can be significant. Buyers should confirm the drainage capacity relative to local rainfall intensity data and verify that the installation method specified for their project allows proper drainage flow without water pooling at the sill.

• Brand-Customized Double-Row Quiet Rollers: The roller system features a double-row configuration that distributes the panel weight across a wider contact area on the track, reducing point loading and wear. The quiet operation design minimizes operational noise, which matters in residential settings and hospitality environments where acoustic comfort is a priority. Buyers should confirm the roller load rating against the weight of their specified glass configuration — heavier glass types such as triple-glazed or laminated panels will require rollers rated for the corresponding panel weight to maintain long-term performance.

• Anti-Sway Positioning Wheel: An anti-sway positioning wheel is integrated into the panel system to stabilize the sliding panel and prevent lateral movement or racking during operation. This is especially critical for tall panels in the Q15's size range, where the height-to-width ratio can make panels susceptible to sway when moved. For commercial projects where the door may be operated frequently by building occupants, buyers should confirm the positioning wheel's durability rating and whether the wheel design accommodates the specific panel weight and dimensions planned for their installation.

• Branded Hook Locks: The security system uses branded hook locks that engage with the frame to secure the active panel in the closed position. The hook-style engagement provides a more robust lock point compared to simple latch mechanisms, making forced entry more difficult. Buyers evaluating security requirements should confirm the lock grade, keying options (including master key systems for multi-unit projects), and whether the lock hardware is compatible with access control or smart home integration systems they plan to specify in their projects.

Customizable Styles

• Glass Options: The Q15 offers a comprehensive selection of glass types including automotive grade tempered, double and triple tempered, laminated, Low-E, reflective, and tinted glass. For buyers seeking sliding glass doors with blinds functionality, tinted and reflective glass options provide varying levels of visual privacy and solar heat rejection without requiring separate blinds or curtains. Low-E glass enhances thermal performance by reflecting infrared radiation, which complements the thermal break frame to improve overall energy efficiency. Laminated glass adds a safety layer that holds together if shattered, suitable for ground-floor installations or areas requiring impact resistance. Buyers should confirm which glass configurations are available for their specific size requirements, as very large panels may have constraints on certain glass types or thickness combinations.

• Frame Options: The Q15 profile is constructed from 6063-T5 thermal break aluminum with a 2.2mm wall thickness, providing a balance between structural strength and weight. The frame face width is a slim 43mm, contributing to the minimalist aesthetic and maximizing the glass area for natural light. The thermal break profile separates the interior and exterior aluminum surfaces with a non-conductive barrier, which is essential for preventing thermal bridging in climate-controlled buildings. Buyers should confirm that the 6063-T5 alloy grade and 2.2mm thickness meet the structural requirements for their specific opening sizes and local building code wind load classifications.

• Size Options: The available width ranges from 1300mm to 4000mm and height from 2000mm to 6000mm, accommodating a wide variety of architectural openings from standard residential patio doors to expansive commercial storefronts. The two-track wall thickness is 150mm and the three-track is 234mm, which should be factored into wall cavity design. Buyers should provide their exact opening dimensions and confirm the maximum panel size for their chosen glass configuration, as larger panels with heavier glass types may require reinforced hardware or additional structural support within the frame system.

• Color/Finish Options: Surface finishes include powder coating, anodized, wooden grain transfer, and PVDF coating, all available in customized colors. Powder coating provides a durable, cost-effective finish suitable for most residential and commercial applications. Anodized finishes offer a metallic appearance with good corrosion resistance for coastal environments. Wooden grain transfers deliver the aesthetic of timber without the maintenance requirements, ideal for projects seeking a natural appearance. PVDF coating provides enhanced UV and chemical resistance for harsh exterior exposures. Buyers should request physical color samples before finalizing large orders, as on-screen color representations may differ from actual finishes, and confirm the finish warranty period for their specific climate zone.

• Track or Opening Configuration: Multiple panel configurations are available including two-track two panels, one fixed one active, two-track four panels, two fixed two active, three-track three panels, and corner options. Electric push-pull mechanisms are available for configurations including one fixed one active, two fixed two active, and mixed manual/electric panels. The manual upper track face is 60mm while the electric upper track face is 140mm, and the lower track face is 59mm. Buyers should evaluate how each configuration affects the opening width, traffic flow, and furniture placement in their planned space, and confirm the lead time impact of electric configurations versus standard manual operation.

• Project Customization: For large-scale projects, DERCHI offers project-level customization that can include custom profile dimensions, specialized hardware selections, unique color matching, and tailored packaging for site logistics. Architects and developers working on multi-unit residential towers, hotel chains, or commercial complexes should discuss their project specifications directly with the DERCHI team to understand what customization options are feasible within their project timeline and budget. OEM and ODM arrangements may be available, subject to confirmation with the supplier, enabling distributors to specify custom branding and manufacturing parameters for their market requirements.

Hardware Accessories

• Handle: The Q15 sliding door system is compatible with handle hardware from GU Brand, select German brands, and Chinese top-brand manufacturers. Handle selection affects both the daily user experience and the visual character of the installed door — a streamlined handle complements the minimalist frame design, while a more substantial handle may be preferred for heavy panels. Buyers should confirm handle material (aluminum alloy, stainless steel, or zinc alloy), finish options to match the door frame color, and ergonomic considerations for the intended users, particularly in hospitality or accessible-design projects where handle shape and operation force matter for compliance with accessibility standards.

• Rollers: Brand-customized double-row quiet rollers are specified for the Q15 system, engineered to provide smooth, low-noise operation even with heavy large-format panels. The double-row design spreads the panel load over a wider track surface, reducing localized wear and extending roller service life. Buyers should verify the roller load capacity against the calculated weight of their specified panel configuration — for example, a 3000mm x 4000mm panel with 8mm+21A+8mm double glazing will have a significantly different weight than a panel with triple-glazed or laminated glass. Requesting the roller specification sheet before ordering is recommended for projects with non-standard panel sizes.

• Buffer/Soft-Close System: Soft-close or buffer mechanisms for large sliding doors help prevent panel slamming, which can damage glass, hardware, and frames over time. Buyers should confirm whether a soft-close system is included in the standard Q15 configuration or available as an add-on option. For commercial projects where doors are operated by the general public, a buffer system can reduce maintenance calls and extend the service life of the entire door system. Confirm compatibility with the chosen panel configuration and whether the buffer mechanism is field-adjustable for different closing speeds.

• Lock: Branded hook locks provide the primary security function for the Q15 system. The hook-style engagement creates a robust mechanical interlock between the active panel and the frame, offering greater resistance to forced entry compared to simple latch or shoot-bolt mechanisms. Buyers specifying the Q15 for commercial or multi-residential projects should confirm the lock's grade classification, availability of master keying or cylinder interchangeability, and whether the lock is compatible with electronic access control systems they may be integrating into the building management system.

• Track System: The track system includes the upper track (60mm face for manual, 140mm face for electric operation) and a 59mm face lower track. The embedded micro-gap design enhances sealing and operational precision. The two-track configuration requires 150mm wall thickness and the three-track requires 234mm, which must be accommodated in the wall design. Buyers should confirm the track material hardness and surface treatment specifications, as track durability directly affects long-term sliding performance. For installations in coastal or corrosive environments, verifying the track's corrosion resistance rating is essential for accurate lifecycle cost estimation.

• Sealing/Connection Hardware: High-quality siliconized felt sealing strips provide the primary weather seal between panels and frame. These strips contribute to the system's air tightness rating of 4.5 m³/(m·h) and its water tightness of 450 Pa by maintaining consistent contact pressure along the full perimeter of each panel. The siliconized treatment resists moisture absorption and UV degradation. Buyers should confirm the sealing strip replacement schedule and availability, particularly for projects in extreme climates where seal degradation may accelerate. Additionally, panel-to-panel connection hardware and corner joint components should be reviewed for structural adequacy in the specified configuration.

Basic Parameters

Product Specifications

Advantages

• Brand Strength: DERCHI brings over 15 years of focused experience in aluminum window and door manufacturing, supported by a portfolio of more than 100 national patents covering inventions, designs, and product appearances. The company has received over 50 industry awards, reflecting sustained recognition within the building materials sector. For B2B buyers evaluating supplier reliability, this track record provides a degree of confidence in the company's ability to deliver consistent product quality and honor warranty commitments over the long term. Buyers should still conduct their own due diligence, including factory audits and reference project verification, particularly for large or strategically important procurement decisions.

• Factory Capability: DERCHI operates a 70,000 m² manufacturing facility with a 4,000 m² showroom and a workforce exceeding 600 employees. The factory holds ISO9001 certification, indicating a formalized quality management system. Every product undergoes comprehensive quality inspection before shipment, according to the company's stated process. Buyers planning to place significant orders or requiring custom manufacturing should consider scheduling a factory visit to assess production capabilities firsthand, review quality control documentation, and verify that the manufacturing capacity and process controls align with their project quality standards and delivery timeline requirements.

• Production Capacity: With an annual output exceeding 400,000 units and a reported 200,000+ successful installations, DERCHI has the manufacturing scale to support both single-project orders and ongoing distribution agreements. This production volume suggests the ability to handle large orders without excessive lead times, though actual lead times depend on order complexity, customization level, and current production scheduling. Buyers with time-sensitive projects should discuss production planning and delivery milestones with the DERCHI team during the quotation phase to ensure alignment with their construction schedule.

• Certifications: The Q15 system holds product-level certifications from NFRC and AAMA, market-specific certifications including CE (Europe), CSA (Canada), and AS2047 (Australia), and the factory holds ISO9001 certification. This multi-market certification coverage simplifies compliance documentation for international projects. However, buyers should confirm whether the required certification documents apply to the selected product configuration and target market, as certification scope can vary by glass type, size, and hardware configuration. Requesting copies of the relevant certificates before placing an order is recommended to ensure they meet the specific requirements of the project's building code authority.

• Service Capability: DERCHI provides after-sales service including online technical support and return and replacement options, backed by a warranty period exceeding 5 years. A dedicated R&D team of over 20 professionals supports continuous product development and technical problem-solving. For international buyers, the service model may differ by region and distributor, so it is important to clarify the local service and warranty support structure before committing to a purchase, especially for projects in regions where DERCHI does not have a direct presence or authorized service agent.

• Customization Capability: The Q15 system offers extensive customization across glass type, frame finish, panel configuration, track layout, and operation method (manual or electric). Project-level customization for architects and developers, including custom dimensions and specialized hardware, can be discussed with the DERCHI team. OEM and ODM arrangements may also be available, subject to confirmation, allowing distributors to tailor products to their brand and market requirements. Buyers should present their customization requirements early in the quotation process to assess feasibility, cost implications, and any impact on production lead times.

• B2B Support: DERCHI's network of over 700 distributors serving customers in more than 100 countries provides a foundation of global market presence and local support. For architects, contractors, distributors, and property developers, this network can facilitate logistics, installation guidance, and after-sales service in many regions. However, the depth of local support varies by market, so buyers should confirm the availability and capability of DERCHI's distributor or representative in their specific geography before placing orders, particularly for projects that require on-site technical assistance or warranty service coordination.

Application Scenarios

• Apartment: In multi-unit residential buildings, the Q15 sliding door can serve as a balcony or terrace access point where space constraints make swinging doors impractical. The sliding operation requires zero swing clearance, preserving interior floor area for furniture placement. The 35 dB sound insulation rating helps reduce traffic and neighborhood noise entering living spaces, which is a significant quality-of-life factor in dense urban apartment settings. For property developers specifying doors across hundreds of units, the availability of multiple glass options allows different privacy levels for ground-floor versus upper-floor units without changing the door system itself. Buyers should confirm the specific fire rating requirements for apartment building exterior doors in their jurisdiction, as these may not be covered by the standard Q15 configuration.

• Home Office: A home office separated from outdoor space by a Q15 sliding door benefits from the thermal break aluminum construction and Low-E glass options, which help maintain a stable interior temperature conducive to comfortable working conditions throughout the year. The tinted and reflective glass options provide privacy for the office interior without requiring curtains or blinds that would block natural light — an important consideration for video calls and screen-based work where glare control and privacy are both needed. Buyers setting up a home office should evaluate which glass option best balances daylight transmission with visual screening, and confirm whether the door configuration allows adequate natural ventilation for the space when opened.

• Hotel: Hospitality projects demand doors that combine aesthetic appeal, guest comfort, and long-term durability under frequent use. The Q15's minimalist frame design with a 43mm face width maximizes views from guest rooms and common areas, while the double-row quiet rollers ensure smooth, low-noise operation that does not disturb adjacent rooms. The branded hook locks provide the security guests expect, and the range of glass options allows designers to specify different privacy levels for guest rooms versus lobby or restaurant areas. Hotel project buyers should confirm the availability of master keying systems compatible with their property management standards, and discuss the expected maintenance schedule for roller and track components under high-frequency use conditions.

• Office Building: Commercial office environments benefit from the Q15's large-format capability, which enables floor-to-ceiling glazing that maximizes daylight penetration into deep floor plates and reduces reliance on artificial lighting. The thermal break construction and Low-E glass options contribute to the building's overall energy performance, which can factor into green building certification efforts. For interior applications, the sliding operation allows flexible space division without the swing clearance required by hinged doors. Buyers specifying the Q15 for office projects should confirm the system's compatibility with building automation and access control systems, and verify that the hardware options include locks suitable for commercial-grade security requirements and high-traffic operation.

• Outdoor: For outdoor-facing applications such as pool enclosures, garden access, or semi-enclosed patios, the Q15's weather resistance becomes a critical evaluation factor. The 450 Pa water tightness rating and 4.5 kPa wind pressure resistance provide a meaningful level of protection against wind-driven rain and storm conditions. The hidden drainage system channels water away from the interior even during heavy precipitation. 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 PVDF coating option may be appropriate for outdoor applications where UV exposure and chemical resistance are concerns, and buyers should confirm the finish warranty for outdoor exposure conditions.

• Residential Building: In single-family and low-rise residential construction, the Q15 serves as a primary patio or garden access door where large glass areas create a visual connection between interior living spaces and the outdoors. The thermal break construction and double-glazed standard configuration help homeowners manage heating and cooling costs, while the tinted and reflective glass options provide daytime privacy without curtains. The more-than-5-year warranty provides homeowners with a degree of confidence in long-term performance. Residential project buyers should confirm the installation method and whether the supplier provides installation guidance or approved installer referrals in their area, as proper installation is essential for achieving the rated weather performance.

• Exterior: As an exterior door system, the Q15 must withstand sustained exposure to temperature fluctuations, UV radiation, wind pressure, and precipitation. The 6063-T5 aluminum profile with thermal break technology addresses thermal performance, while the siliconized felt sealing strips and hidden drainage system manage weather sealing and water management. For exterior applications in coastal or industrial environments, buyers should discuss the appropriate surface finish (anodized for coastal corrosion resistance or PVDF for enhanced UV and chemical resistance) and confirm the expected finish lifespan under their specific environmental conditions. Wind pressure resistance should also be verified against the site-specific design wind speed for the building height and exposure category.

• Villa: Villa projects often feature expansive openings that blur the boundary between interior living spaces and landscaped exteriors, making the Q15's large-format capability (up to 4000mm x 6000mm) particularly relevant. The minimalist 43mm frame face width preserves clean sightlines that complement contemporary villa architecture, while the corner configuration options enable dramatic open-corner designs for seamless indoor-outdoor transitions. The range of glass options allows villa owners to customize privacy levels for different facades — reflective glass for street-facing elevations and clear glass for private garden aspects. Buyers should confirm the structural requirements for large corner-opening configurations, including any additional reinforcement needed in the frame system, and discuss motorized operation options for heavy panels that may be difficult for some users to operate manually.

B2B Project Support

DERCHI supports B2B buyers including architects, contractors, distributors, and property developers through several channels. The company's 4,000 m² showroom allows visiting buyers to evaluate product quality, operation, and finish options in person. For large projects, DERCHI can provide project-specific documentation including performance certificates, structural calculations, and installation guidelines. A dedicated R&D team of over 20 professionals is available to address technical questions and customization requirements. The global distributor network of over 700 partners in 100+ countries can facilitate local logistics and after-sales support in many markets. Buyers planning significant procurement should discuss their project scope, timeline, and support requirements with the DERCHI team to establish a clear communication and service plan before production begins.

Installation and Maintenance Notes

Proper installation is essential for the Q15 to achieve its rated performance for weather resistance, thermal insulation, and structural stability. The two-track system requires a 150mm wall cavity and the three-track requires 234mm, which must be accurately prepared before installation. The lower track face of 59mm should be set at the correct height relative to the finished floor level to ensure proper drainage flow and accessibility compliance. For electric configurations, the 140mm upper track face and power supply requirements must be accommodated in the structural opening design. Regular maintenance includes cleaning the track channels to prevent debris accumulation, inspecting the siliconized felt sealing strips for wear or compression set, lubricating the roller mechanisms according to the manufacturer's recommendations, and checking the hook lock engagement and operation. Buyers should confirm the