Timber Rack Arm Systems

Rack Arms – Timber

Timber Rack Arm Systems integrate seamlessly with any building façade, providing a natural timber element to a building exterior and introduces a warm filter of light to interiors. Timber louvre slats offer a natural and coordinating finish to any architectural design. The louvre systems are non-retractable, with the slats made from high quality timber. Rack Arms are suited for internal and external installations on horizontal, vertical, sloping, or unusual shaped windows.

Horiso selects timber from sustainably managed forests, for the manufacturing of Western Red Cedar slats.

Key Features

Durability

Designed to withstand the harsh Australian weather conditions.

Heat Gain

Reduces thermal heat gain.

Lighting

Allows natural light, making buildings less reliant on artificial lighting.

All Shapes

Customised to the shape and size of each façade. Triangles, trapezoids, arches and even circles are possible.

Timber Slats

Choice of timber stains are available.

Low Maintenance

Provides years of reliable operation with minimal maintenance.

Green Building Rating

Contributes to achieving a high environmental green building rating.

Energy Efficient

Decreases air conditioning usage, overall energy costs and consumption.

Sun Protection

Prevents potential UV damage, optimises shading at varying sun angles reducing eye irritation by controlling glare.

Installation

Can be installed on any direction vertical, flat or sloped.

Control Options

Fixed, manual crank and motorised controls available.

Slat Options

With a width of 74 mm the timber slat system is suited for internal and external installations to horizontal, vertical, sloping, or unusual shaped windows. The 74W louvre system can be fixed, crank operated or motorised.

With a width of 87 mm the timber slat system is suited for internal and external installations to horizontal, vertical, sloping, or unusual shaped windows. The 87W louvre system can be fixed, crank operated or motorised.

With a width of 98 mm the timber slat system is suited for internal and external installations to horizontal, vertical, sloping, or unusual shaped windows. The 98W louvre system can be fixed, crank operated or motorised.

With a width of 148 mm the timber slat system is suited for internal and external installations to horizontal, vertical, sloping, or unusual shaped windows. The 148W louvre system can be fixed, crank operated or motorised.

With a width of 153 mm the timber slat system is suited for internal and external installations to horizontal, vertical, sloping, or unusual shaped windows. The 153W louvre system can be fixed, crank operated or motorised.

Western Red Cedar

A dimensionally stable timber under most weather conditions and is not prone to shrinkage or swelling.

Due to its versatility, it can be used for both internal and external applications.

Width – 84x4mm

Timber Species, colours and grains will vary as they are a natural product. 

All oil finishes have either a clear, one or double coating of oil (as seen above)

Images are supplied by our supplier

Marupa

A lightweight and resilient timber with a straight uniform grain used for interior installations.

Operating Strip

The operating strip is attached to the rack arms ensuring alignment for the smooth operation of the system.

Polycarbonate Components

These weather-resistant and long-wearing components are manufactured from UV stabilised nylon 6 and include –

  • Pivots
  • Rack arm
  • Slat clip
  • Bearing bracket & tilt arm- standard system

Standard Clip Colours

  • Light grey and black

Pivot Arms

The pivots are inserted into the notches of the rack arm extrusions.

Brushes

Brushes are an optional component that help achieve blackout when the system is closed. They slot into an angle bracket that is fixed onto the building structure or window mullion. 21mm (5/6”) x 118mm (1/9”)

Side Support With Edge Pivots

There additional supports are incorporated into irregular-shaped rack arm installations to ensure the smooth operation of the systems.

Operating Systems

Fixed rack arm systems deliver dependable, low‑maintenance shading through a streamlined, durable design that requires no manual adjustment. Engineered for consistent sun protection throughout the day, they suit both residential and commercial settings, offering homeowners effortless comfort while providing building designers with a stable, predictable shading solution.

The most efficient and effective way to control the rack arms. The system can be opened tilted at various degrees for light filtration or completely open at 90° for maximum daylight by a press of a button. The electric motor incorporates internal thermal protection against overheating. Various control options and levels of sophistication are available.

The system using any size slat can be manually operated using a gear box which connects to the tilt shaft and turned by a detached crank handle. The handle lengths can be specified for your projects.

Smart, Sustainable & Made For You

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