WeatherMaster™ Plus Bi-Fold Doors
Upgrade Your Space with Bi-Fold Doors
Sunspace introduces the WeatherMaster™ Plus Bi-Fold System, combining wall systems, ventilation, insect protection, and passage doors into one flexible design for seasonal or year-round use. Designed in Europe, it features an above-ground bottom-running system, versatile thresholds, and custom hardware for strong load capacity. Slim sightlines and oversized doors create a modern, open look.
The doors can open inward or outward while maintaining consistent sash and frame depth for better thermal efficiency. It includes WeatherMaster™ Vertical 4-Track windows and offers tempered or insulated glass options for comfort, durability, and stylish outdoor living.
Features Bi-Fold Doors
Compact and Stylish Design
Bi-Fold Doors have improved a lot over time and are now slimmer and more modern. Strong materials allow the frames to be thinner while still staying durable. When opened, the panels fold neatly to the side, taking up less space than traditional sliding doors. This makes it possible to open up a whole wall, giving wider access and better views. The doors stack at the edge, creating a clean, open connection to your outdoor space.
Boost Your Home’s Value
Even if you’re not planning to sell, it’s nice to know your home can grow in value over time. This is worth thinking about when planning renovations. Bi-Fold Doors suit any home style, from traditional Victorian houses to modern minimalist designs. They look stylish, work smoothly, and make your living space more enjoyable. Bi-Fold Doors also bring in more light and provide easy access to your garden, creating a natural flow between indoors and outdoors.
Bring in More Natural Light
Bi-Fold Doors have slim frames that let in far more natural light than standard doors or windows. Even when closed, the minimal frame keeps rooms bright and open. When opened, they create a wide, unobstructed space, letting daylight flow freely. These doors are ideal for areas that need extra light or for spaces where you want to enjoy the outdoors from inside.
Durable and Easy to Maintain
Bi-Fold Doors, especially aluminum ones, are built to handle all kinds of weather without bending or warping. They are energy-efficient and strong enough to resist high winds. Plus, they require very little upkeep, just occasional cleaning and light oiling to keep them lasting for years.
Strong Security and Safety
Although Bi-Fold Doors have large glass panels, they are very secure. Often used in commercial buildings, they feature multi-point locks, sturdy frames with reinforced hinges, and sometimes laminated triple-glass for extra strength. The doors are designed so they can’t be easily lifted off their hinges, making it hard for intruders to break in.
White
Black
Driftwood
Bronze
Grey
Clear
Smoke Gray
Dark Gray
Bronze
Clear Single Pane
Technical Info
- Each panel supports up to 264 lbs.
- Maximum height: 118 in.
- Maximum width: 36 in.
- Various threshold options to choose from.
- Optional adjustable frame (jamb).
- Smooth bottom-rolling operation.
- Slim frame for a modern appearance.
- Offered in two colors and special finishes.
- Center doors include concealed locking with a single handle (optional key lock).
- Can be accessed from outside in any configuration.
- Handles and door holders are color-matched.
- Customizable layout with up to 7 panels on each side.
- Same frame design allows both inward and outward opening.
- Thermal break enhances insulation (1.4 W/(m²·K)).
- Sash and frame are aligned at the same depth for a sleek finish.
Discover Our Custom Bi-Fold Door Installations
