Premium Aluminum Folding Windows by EPAI
Open up your living spaces with EPAI's premium aluminum bi-fold window systems — accordion-folding panels that stack neatly to one side for a fully open, frameless connection between indoors and outdoors. Custom manufactured for kitchens, living rooms, and commercial applications worldwide.
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What Are EPAI Aluminum Folding Windows?
EPAI aluminum folding windows — also known as bi-fold or accordion windows — are multi-panel window systems where all panels fold and stack accordion-style to one or both sides of the opening. Unlike sliding or casement windows, folding windows provide a completely unobstructed opening with no fixed panels blocking the view or airflow.
Our folding windows are manufactured from high-grade 6063-T5 aluminum alloy with optional thermal break profiles. Available in two-panel, three-panel, four-panel, five-panel, and six-panel configurations with inward or outward folding, double or triple glazing, and hardware in chrome, brushed nickel, matte black, and anodized finishes.
With over 15 years of manufacturing expertise, EPAI delivers folding window systems trusted by architects, interior designers, and homeowners across 100+ countries for kitchen pass-throughs, living room garden views, commercial bar counters, and hospitality applications.
Request A ConsultationOur Folding Window Series
Explore our full range of aluminum folding windows — from white kitchen pass-through bi-folds to grey living room panoramic windows, black upward-folding awning systems, and multi-panel garden view configurations. All custom manufactured to your exact specifications.
White Kitchen Pass-Through Folding Window
White aluminum bi-fold window for kitchen pass-through and counter service applications. Panels fold outward and stack to one side for a fully open counter connection to outdoor dining areas, bars, and terraces.
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White Three-Panel Living Room Folding Window – Open
White aluminum three-panel bi-fold window fully open above a window seat, creating a seamless connection to a lush garden wall. Inward-folding panels stack neatly for an unobstructed panoramic opening.
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White Double-Panel Upward-Folding Awning Window
White aluminum double-panel upward-folding awning window with gas strut support arms. Both panels fold outward simultaneously for maximum ventilation. Compact design ideal for kitchens, bathrooms, and utility rooms.
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Black Grid Bi-Fold Pass-Through Window
Black aluminum grid bi-fold window for kitchen pass-through and interior partition applications. Full-height grid pattern panels fold open to create a wide service counter connection with a distinctive industrial-chic aesthetic.
Free QuoteBlack Two & Four-Panel Folding Window Set
Black aluminum folding window system shown in two-panel and four-panel configurations on white background. Slim profiles with large glass panels and lever handles. Available in any panel count and RAL color.
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Black Steel-Frame Grid Bi-Fold Window – Full Height
Black steel-frame grid bi-fold window with full-height glass panels and slim grid mullions. Panels fold and stack to one side for a wide, unobstructed opening — a refined industrial aesthetic ideal for living rooms, home offices, and interior partition walls.
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White Multi-Panel Stacked Folding Window – Interior
White aluminum multi-panel folding window shown fully stacked open in a classic interior setting with wooden shelving. All panels compress into a single stack for a completely unobstructed opening — ideal for living rooms and study spaces.
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Black Upward-Folding Kitchen Pass-Through Window – Outdoor
Black aluminum upward-folding awning window installed as a kitchen pass-through to an outdoor terrace with marble countertop. Panels fold upward and lock open for a wide, weather-protected service counter connection.
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Black Awning Folding Window – Café Storefront
Black aluminum awning-style folding window installed across a café storefront facade. Panels fold outward and upward to create an open-air dining connection between interior and exterior seating areas — popular for restaurants and retail.
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Silver Awning Folding Window – Commercial Shopfront
Silver aluminum awning folding window on a commercial shopfront with wooden counter. Panels fold upward on a track system to fully open the facade — ideal for cafés, juice bars, and street-facing retail counters.
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Bronze Upward-Folding Bar Counter Window
Bronze-finish aluminum upward-folding window installed at a specialty coffee bar counter. Single panel folds upward with gas strut support to reveal the full service counter — a sleek, space-efficient solution for boutique retail and café fitouts.
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Red Custom RAL Folding Awning Window – Showroom
Bold red RAL custom-color aluminum folding awning window with brass support arms, installed on a showroom facade. Demonstrates full RAL color customization capability — available in any color to match your architectural or brand identity.
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White Narrow Multi-Panel Folding Window – Stacked Open
White aluminum narrow multi-panel folding window shown fully stacked to one side in a classic interior. Slim vertical panels fold and compress into a tight stack, maximizing the clear opening width — ideal for narrow wall openings and partition applications.
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Black Multi-Panel Balcony Folding Window – High-Rise
Black aluminum multi-panel folding window installed on a high-rise balcony enclosure with city views. Panels fold and stack to one side for a fully open balcony experience — combined with louvered ventilation panels for year-round climate control.
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Red Multi-Panel Upward-Folding Awning Window
Bold red aluminum multi-panel upward-folding awning window with brass support arms. Both upper and lower panels fold outward simultaneously for maximum ventilation and dramatic visual impact. Available in any RAL color — ideal for commercial storefronts, showrooms, and statement architectural projects.
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Dark Walnut Four-Panel Bi-Fold Window with Textured Glass
Dark walnut wood-grain aluminum four-panel bi-fold window with privacy textured glass panels. Two panels fold to each side, creating a wide central opening with garden views. The frosted patterned glass provides natural light diffusion while maintaining privacy — ideal for bedrooms and bathrooms.
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Walnut Wood-Grain Upward-Folding Kitchen Pass-Through Window
Warm walnut wood-grain aluminum upward-folding awning window installed as a kitchen-to-dining pass-through. The single panel folds upward with electric or manual actuators, framed within a full-height wooden cabinetry surround — a seamless integration for modern Japanese-style interiors.
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Green Aluminum Upward-Folding Awning Window – Street Facade
Forest green aluminum upward-folding awning window installed on a textured concrete street facade. The panel folds outward and upward to create a shaded opening — a bold architectural statement for commercial storefronts, galleries, and street-level retail in urban settings.
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Dark Walnut Four-Panel Bi-Fold Window – Classic Living Room
Dark walnut wood-grain aluminum four-panel bi-fold window in a classic living room setting with herringbone parquet flooring. Panels fold inward to stack neatly on both sides, creating a wide, elegant opening with soft natural light — a timeless choice for traditional and transitional interiors.
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Dark Walnut Double-Panel Upward-Folding Awning Window – Study
Dark walnut wood-grain aluminum double-panel upward-folding awning window in a warm study interior. Both panels fold outward simultaneously for full ventilation — the rich wood-grain finish complements rattan furniture and bamboo decor for a refined, nature-inspired aesthetic.
Free QuoteWhy Choose EPAI Folding Windows?
Backed by 15+ years of aluminum manufacturing expertise, EPAI delivers folding windows that provide a completely unobstructed opening, superior weather sealing when closed, and elegant design for any residential or commercial application.
20,000m² Factory
State-of-the-art manufacturing facility with dedicated aluminum extrusion, precision hinge machining, glazing, and folding window assembly lines.
Fully Open Configuration
All panels fold and stack accordion-style to one or both sides — providing a completely unobstructed opening with no fixed panels blocking airflow or views.
Superior Weather Sealing
Multi-layer brush and rubber weather seals on all folding panels prevent water infiltration, air leakage, and dust ingress when closed — even in heavy rain and wind.
Thermal Break Options
Polyamide PA66 thermal break profiles available for energy-efficient folding windows in cold climates and passive house applications.
Custom Design
Available in any RAL color, anodized, or wood-grain transfer finish. Two to six panel configurations with inward or outward folding to suit any opening.
Global Delivery
Reliable worldwide shipping serving architects, designers, and homeowners in 100+ countries with professional packaging and logistics support.
EPAI Manufacturing Advantages
As a leading aluminum folding window manufacturer in China, EPAI combines precision hinge engineering, premium materials, and rigorous quality control for every project.
15+ Years of Specialization
Over 15 years focused on aluminum folding windows for residential, commercial, and hospitality markets worldwide.
20,000m² Production Facility
Large-scale factory with dedicated aluminum extrusion, CNC hinge machining, glazing, and precision folding window assembly lines.
Precision Stainless Steel Hinges
Heavy-duty stainless steel pivot hinges rated for 100,000+ open/close cycles. Adjustable in three dimensions for perfect panel alignment.
Double & Triple Glazing
In-house glazing with argon-filled double and triple glazed units for superior thermal and acoustic performance.
100+ Countries Served
Global distribution network with direct export capability and professional logistics support for international projects of any scale.
100% Pre-Shipment Inspection
Every window undergoes comprehensive quality inspection including folding operation, weather sealing, and structural integrity testing before shipment.
Inward & Outward Folding
Both inward-folding (panels fold into the room) and outward-folding (panels fold outside) configurations available to suit any installation requirement.
OEM/ODM Capability
Full OEM and ODM services for distributors and developers. Custom profile design, branding, and product development available.
How To Order Custom Folding Windows
Our streamlined process ensures your custom aluminum folding windows are manufactured and delivered with precision and efficiency.
Submit Inquiry
Share your opening dimensions, panel count, folding direction, glazing requirements, and finish preferences via our contact form or WhatsApp.
Receive Quote
Our team prepares detailed specifications and pricing within 48 hours of receiving your inquiry.
Confirm & Produce
Upon order confirmation, your custom folding windows enter production with real-time progress updates from our factory.
Ship & Install
Professionally packed and shipped worldwide with full installation drawings, hardware, and technical documentation included.
Frequently Asked Questions
Everything you need to know about EPAI aluminum folding windows. Can't find your answer? Contact our team directly.
Contact Us
We manufacture custom aluminum folding windows for any project — residential kitchens, living rooms, commercial bars, restaurant pass-throughs, and large-scale developments. Our team will guide you from specification to delivery and installation.