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Encasement

Forma Column Casings

metal column casings

Manufacture

Manufactured from aluminium, stainless steel or steel, which forms a 1.5mm or 3mm thick metal skin, the Forma range is designed for both interior and exterior use.

For additional support, a lightweight internal brace can also be supplied to give additional rigidity to the curved, square or rectangular sections.

The materials used in the Forma range conform to the following standards:

  • Aluminium - BS EN 485-2
  • Stainless steel - EN 10088-2 & BS EN 10259
  • Steel - BS EN 10051
  • Extruded products - BS EN 573 & BS EN 755

The profile’s dimensional tolerance can vary by + / - 4mm. The nominal material thickness tolerance for metal skin column casings is + / - 0.1mm.

Fire performance

As Forma casings are manufactured from ferrous and non-ferrous metals, they can be regarded as non-combustible, achieving a Class ‘O’ spread of flame to BS 476-4.

Installation

Forma casings are secured to structural columns using timber fixing battens and screws (by others) as shown on the typical installation diagrams.

All fixings are concealed using an extruded infill feature joint. This method is used as standard on all Forma column casings.

Location

Suitable for interior and exterior use, Forma casings are available in a range of shapes, including standard circular and square sections as well as custom profiles and dimensions to meet specific project requirements and installation needs.

Finish options

Polyester powder coatings (PPC) and ‘brushed’ finishes are the most regularly specified, although a wide range of options is available. In addition to patterned, embossed and perforated materials, Forma casings can also be specified with anodised, oxide tinted or polished finishes depending on the material selected.

The finishes used with the Forma range conform to the following standards:

  • Polyester powder coating to BS 6496/7 in any RAL or BS 4800/381C colour
  • Polishing - BS1134 Part 1 - Assessment of surface texture
  • Anodising - BS 3987 (25 Microns)

Please click here to go to the ‘Finishes’ section for more information.

Technical drawing downloads

A range of technical drawings in both PDF and DWG file formats are available from our website. Please click here to visit our download page and select the drawings you require.

Related information

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