WeatherMaster Plus

Aluminum Bi-fold Door Systems

Our European-inspired system boasts above-ground bottom running alongside a range of threshold options. Engineered with custom-designed hardware, it guarantees optimal weight-bearing capacity, sleek sightlines, oversized doors, and minimalistic profiles.

This versatile system is easily fabricated, allowing doors to swing inward or outward using identical profiles. Consistency in depth between the sash and outer frame ensures exceptional thermal efficiency. Operating as an inline system with tailored hardware, it achieves superior performance while maintaining an appealing aesthetic.

Included in the Sunspace WeatherMaster Plus package are WeatherMaster Vertical-4-Track windows as standard, with choices between single-glazed tempered glass and full thermal insulating glass options.

Technical Info

  • Each panel accommodates a maximum weight of 120KG.
  • The system supports a maximum height of 3000mm and a maximum width of 1200mm.
  • Various threshold options are available.
  • Adjustable jamb option provided.
  • Boasting ultra-smooth bottom running and slim sightlines.
  • Offers Dual Colour & Special Finishes options.
  • Intermediate doors feature concealed shoot bolt locking with single-point handle, with key locking as an optional addition.
  • Access from outside is possible for any configuration.
  • Handles and magnetic door holders are color-matched.
  • Accommodates various configurations, up to a maximum of 7 Left and 7 Right with bottom rolling.
  • Opening either inward or outward utilizes the same profiles.
  • Features a 30mm polyamide thermal break for enhanced thermal efficiency, achieving a rating of 1.4 W/(m2.K).
  • An inline system where the sash and outer frame share the same depth.

The WeatherMaster Plus Bi-Fold

Available Colors







Available Tints



Smoke Gray

Dark Gray



Clear Single Pane

Clear Low E Argon

Features & Benefits

Sunspace WeatherMaster Plus includes WeatherMaster Vertical-4-Track windows, offering choices between single-glazed tempered glass and full thermal insulating glass. Furthermore, our bi-folding doors offer a host of practical advantages, introducing a touch of luxury, comfort, and convenience to any residence.


Compact and aesthetically pleasing profile

Bi-folding doors, with a sleeker and sturdier design, conserve space while also opening up entire walls for optimal visibility and seamless garden access.

Add value to your home

Bi-folding doors elevate both the value and visual appeal of a home, complementing diverse architectural styles while providing practicality and effortless integration between indoor and outdoor spaces.

Allow for more natural light

Bi-folding doors optimize the entry of natural light, thanks to their slender frame design, ensuring abundant brightness even when in the closed position.

Minimal upkeep yet exceptionally resilient.

Aluminum bi-folding doors are built to endure temperature fluctuations, guaranteeing durability in both hot and cold climates, as well as resilience against strong winds.

Sleek and visually appealing design with a compact profile.

Bi-folding doors, featuring multi-point locks and laminated glass for enhanced security, serve as an effective deterrent against burglars, frequently employed in commercial environments.

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