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July 9, 2019

Metal Craft News

Bespoke Exterior Aluminium Finishes: Proprietary Grinding and Anodization

Kikukawa develops new finishes in order to best achieve the designer’s intent. That is inclusive of finishes that were typically considered difficult to achieve.

One example of this is the anodization of decorative grinding finishes. As the anodization process includes chemical etching to clean the aluminium for quality control, the grind marks were thought to fade in the etching process. Kikukawa overcame this difficulty by developing its own grinding and anodizing technology. We provide various finishes that combine anodization and bespoke decorative grinding (or polished) finishes, as exemplified by the picture below.

Vibration (deep PHL) and anodized finished aluminium (D-PHL-E1). The anodization is available in silver, champagne gold, brown and black.
Vibration (deep PHL) and anodized finished aluminium (D-PHL-E1). The anodization is available in silver, champagne gold, brown and black.

The following pictures are from a project that utilizes such a finish. The 3mm thick aluminium exterior panels with cut-edge details are finished with vibration (deep PHL), anodization and matte electrodeposited clear coating. As opposed to simple anodization, the matte clear coating provides a chic ambiance, and a unique reflective surface.

Exterior aluminium panels with vibration (deep PHL) and anodized finish (D-PHL-E1)
Exterior aluminium panels with vibration (deep PHL) and anodized finish (D-PHL-E1)
The consistency of the finish, the fabrication quality of the panels, and the installation precision is apparent
The consistency of the finish, the fabrication quality of the panels, and the installation precision is apparent

The details of the exterior panels are either long 525~625mm (W) by 2400~3085mm (H), or wide with 1435~2280mm (W) by 845~1415mm (H), installed with 15mm joints.

Exterior aluminium panels coated with "wood grain" style, flame resistant approved decorative adhesive sheets
Exterior aluminium panels coated with “wood grain” style, flame resistant approved decorative adhesive sheets

Kikukawa fabricated the aluminium panels at the entrance of the same project; panels with wood-grain patterned flame-resistant approved decorative adhesive sheets. In total, these panels cover 5855mm (W) by 3000mm (H) area.

Kikukawa is able to respond to various bespoke finishing requests, by developing or combining its technologies and expertise. Other grinding (or polished) and anodized finish samples can be viewed from the link below.
Click here to view “Kikukawa’s Aluminium Finish Samples”

Other examples of grinding and anodized finish. From the left, vibration (VIB or PHL) + anodization in champagne gold, black, and hairline (D-HL) + anodization in silver.
Other examples of grinding and anodized finish. From the left, vibration (VIB or PHL) + anodization in champagne gold, black, and hairline (D-HL) + anodization in silver.

Please do not hesitate to contact us for consultation or to develop new finishes that best achieve the design intent.