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SL155 Thermal Break Sliding Door
SL155 Thermal Break Sliding Door
SL155 Thermal Break Sliding Door

SL155 Thermal Break Sliding Door

Profile Thickness:2.2-2.5mm
Profile Grade:6060-T66
Frame Wall Width:Four Track 155mm
Glass Sash Thickness:54.5mm
Sash Width:44.5mm
Frame Width:62mm
Opening Method:Sliding
Optional Configuration:Glass Railing / Manual Roll Screen
Description
Scenarios
Colour
Glass
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⌈Passive Check Valve Drainage⌋


▶︎ Passive check valve drainage technology accelerates water removal during heavy downpours, efficiently channeling rainwater outward through precision-engineered channels.

The check valve design prevents backflow, ensuring water stays outside even in strong winds. This reliable system maintains dry interiors and long-term structural integrity, delivering consistent performance in all weather conditions.

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⌈Integrated Handle for Easier & Smoother Sliding⌋


▶︎ Integrated handle design blends seamlessly with the frame for a sleek, minimalist look, while delivering effortless control over large sliding panels.

The ergonomic, flush-mounted construction ensures a comfortable grip and reduces resistance during operation, making even heavy-duty doors slide smoothly with minimal effort. This integrated approach eliminates protruding hardware, enhancing both safety and aesthetic coherence for modern residential and commercial spaces.

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▶︎ The Four-Sealing Design Can Withstand All-Weather Environments

A sealing strip installed between the hooks and door frame forms a four-layer sealing structure, significantly elevating the door’s waterproof performance to block rainwater intrusion. This robust multi-layer barrier also dampens excessive impact forces, while enhancing sound insulation and airtightness for a quieter, more comfortable interior.


▶︎ Engineered to Meet New National Standards

The main load-bearing profile boasts a thickness of 2.2mm, complying with the latest national standards for structural integrity. This reinforced construction ensures the system remains stable and secure, even in harsh weather conditions, combining reliable sealing with durable performance.
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⌈Providing Tighter Sealing and More Stable Safety⌋


▶︎ Recessed sash design creates a flush, integrated fit between the sash and frame, eliminating gaps to deliver a tighter, more reliable seal. This structure enhances protection against drafts, moisture, and noise, while the recessed geometry improves overall stability for safer, more durable performance.

Beyond functional benefits, the flush, streamlined appearance elevates the aesthetic coherence of modern architectural installations, blending seamlessly with contemporary design styles.
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⌈Dual-Matrix Eight-Layer Sealing⌋

High Load-Bearing, Large-Area Opening Sash


▶︎ The single-panel, double-rail self-balancing pulley effectively distributes pressure across its 20-wheel system, making pushing and pulling smoother, quieter, and safer. With a load-bearing capacity of up to 400kg, it effortlessly supports expansive panels.

A single sash can reach a maximum width of 2800mm and height of 2600mm, creating an opening area of up to 7.5㎡. This dual-track design delivers exceptional stability and performance, making it ideal for large-scale architectural installations that demand both function and visual impact.



Ultra-Slim Framed Sliding Doors

Elevate Modern Living with Seamless Transparency

Ultra-slim framed sliding doors erase the line between indoor and outdoor spaces, turning panoramic views of mountain forests, poolside villas, and sunlit terraces into an extension of your interior.

With minimalistic aluminum frames and expansive glass panels, these doors flood rooms with natural light while maintaining a sleek, uncluttered aesthetic that complements contemporary architectural design. Precision-engineered hardware ensures smooth, quiet operation, and advanced multi-point sealing delivers exceptional wind resistance and waterproofing—perfect for luxury homes that demand both style and performance.

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Colour Options


▶︎ Ice Cream White: A clean, soft neutral that brightens modern and minimalist interiors, creating an airy, welcoming feel.


▶︎ Aurora Gray: A deep, near-black tone with subtle cool undertones, ideal for creating bold, 

contemporary contrast in urban or industrial spaces.   

           

▶︎ Starry Sky Gray: A sophisticated medium gray with a smooth, matte finish, 

perfect for understated elegance in both residential and commercial projects.   

           

▶︎ Brown Coffee: A warm, rich brown with a hint of espresso depth, adding timeless charm and warmth to classic and rustic designs.


*Beyond our standard palette, we offer full custom colour matching services to meet your exact project requirements

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Glass Options


A variety of glass color and type options allow you to add unique details to your windows and doors while balancing the privacy and natural light you prefer and delivering superior quality and thermal performance.


*We also have many different types of glass styles, please contact us if you would like to find out more.

Project Experience
Luxury Aluminum Windows & Doors Villa Project | Saudi Arabia
Dec 30 2025
ALPES Windows & Doors completed a luxury residential villa project in Saudi Arabia, providing customized aluminum windows and doors designed for high temperatures, durability, and elegant architectural style.
High-End Aluminum Windows & Doors Villa Project | Dubai, UAE
Dec 30 2025
Premium aluminum windows and doors for a high-end residential villa, combining strong structural performance, thermal insulation, and modern design.
Residential Villa Aluminum Windows & Doors Project | Middle East
Dec 30 2025
Customized aluminum windows and doors solutions for residential villas across the Middle East, tailored to local climate conditions and architectural requirements.
Modern Aluminum Windows & Doors Villa Project | Australia
Dec 30 2025
High-performance aluminum windows and doors for a modern residential villa, designed to meet Australian standards with a focus on energy efficiency and safety.
Contact Us
We can custom made to any project unique window and door designs with our professional and experienced sales & technical team.
WhatsApp / Tel: +86 15878811461
Email: windowsdoors@dejiyp.com
Address: Building 19, Shenke Chuangzhi Park, No. 6 Xingye East Road, Shishan Town, Nanhai District, Foshan City China
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