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Omiyama

by Zwarthout | Shou Sugi Ban · Netherlands · WOO543 · Published 17 Feb 2026
About this material

Omiyama’s hard charred layer gets a beautiful bronze glow in the sun. The charred layer is burnt deep and has a natural uneven structure. This variant is resistant to heavy weather conditions. This makes Omiyama very suitable as a durable finish on facades. Omiyama is also a powerful eye-catcher indoors. Fixated, Omiyama becomes deep matt black in colour.

Omiyama is made from Frake; a fast-growing limba from Cameroon. For Omiyama, a hydrothermally modified variant of Frake is used. By heating up the wood, the cell structure changes, making it more sustainable.

For more project photos, see Zwarthout’s website.

Material properties

Sensorial

Glossiness:SatinTranslucence:0%Structure:ClosedTexture:VariableHardness:HardTemperature:MediumAcoustics:GoodOdour:NoneWeight:Medium

Technical

Fire resistance:GoodUV resistance:GoodWeather resistance:GoodScratch resistance:ModerateChemical resistance:Good

Environmental

Renewable:Yes

Keywords

  • facades
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