BI-FOLD DOORS
WeatherMaster Plus™ BI-FOLD DOOR SYSTEM
Sunspace continues to innovate with cutting edge solutions that integrate wall systems, ventilation, insect protection, passage doors, bi fold doors, and customizable options for both seasonal and year round use. Introducing the WeatherMaster™ Plus Bi Fold System – the ultimate solution for enhanced comfort and versatility in your outdoor living space.
Inspired by sleek European design, this system features a bottom running, above ground mechanism with multiple threshold options. Its custom hardware components maximize load capacity, enabling expansive doors with slim profiles and elegant sightlines.
Designed for ease of fabrication, the system accommodates doors that open either inward or outward using the same profiles. Matching sash and outer frame depths deliver superior thermal performance, while the inline design and precision engineered hardware create a high performance, visually stunning solution. The WeatherMaster™ Plus comes standard with WeatherMaster™ Vertical 4 Track windows and is available with single glazed tempered glass or fully thermal insulating glass options.


TECHNICAL INFO
- Maximum Panel Weight: Each panel can support up to 120 kg
- Panel Dimensions: Up to 3000 mm in height and 1200 mm in width per panel
- Threshold Choices: Multiple customizable threshold options available
- Adjustable Jamb: Designed for flexible and adaptable installation
- Smooth Glide: Runs on a bottom-rolling mechanism for effortless operation
- Modern Look: Slim sightlines provide a clean and stylish appearance
- Finish Variety: Offered in dual-color and specialized finish options
- Intermediate Door Features: Includes hidden shoot bolt locks with a single-point handle; key-locking is optional
- Exterior Access: Available in any chosen configuration
- Matching Accessories: Comes with handles and magnetic door holders in matching colors
- Flexible Configurations: Supports up to 7 panels on each side using a bottom-rolling setup
- Dual Opening Options: Can open inward or outward using the same profiles
- Thermal Performance: Built with a 30 mm polyamide thermal break, achieving a U-value of 1.4 W/(m²·K)
- Inline Profile System: Ensures the sash and outer frame align for a uniform and seamless finish
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Features & Benefits
Bi-folding doors have evolved to become slimmer and more discreet, thanks to advancements in materials that enable smaller yet robust frames. Unlike sliding patio doors, they fold neatly away, opening up an entire wall to deliver expansive views and effortless access to your garden.
Bi-folding doors boast a slim frame profile, enabling larger window surfaces that invite more natural light than conventional windows or doors. Even when closed, they let in an impressive amount of light without compromise. When open, they provide a fully unobstructed view and abundant daylight, making them ideal for brightening rooms or creating inviting spaces where you’ll love spending time.
While bi-folding doors replace a brick wall with glass, they maintain robust security. Commonly utilized in commercial spaces, these doors are equipped with advanced features like multi-point locks, heavy-duty hinges, and, in some cases, laminated triple-glazed glass. The durable glass is highly resistant to breakage, and the doors are designed to prevent prying off their hinges, providing reliable protection against intruders.
Bi-folding doors enhance your home’s aesthetic appeal and value, whether you’re planning to sell or not. They complement various architectural styles, from Victorian to contemporary and minimalist. With their sleek and functional design, they brighten dimly lit areas and create a seamless connection to your garden, effortlessly blending indoor and outdoor living spaces.
Bi-folding doors, particularly those made from aluminum, are highly resistant to extreme temperature fluctuations, ensuring they won’t warp or bend. They provide exceptional thermal efficiency and durability, even in strong winds, while requiring only minimal maintenance. Occasional cleaning and a light application of oil to the hinges can help extend their lifespan.

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