![]() Also, boards of highly figured and/or curly Koa can command fantastic prices. Pricing/Availability: With the tree endemic to Hawaii only, and with supplies dwindling, Koa is likely to be rather expensive. ![]() See the articles Wood Allergies and Toxicity and Wood Dust Safety for more information. However, several species of Acacia, including the closely related Australian Blackwood, have been reported to cause eye, skin, and respiratory irritation. Koa turns, stains, and finishes well.Īllergies/Toxicity: Besides the standard health risks associated with any type of wood dust, no further health reactions have been associated with Koa. However, figured wood, or pieces with heavily interlocked grain can be difficult to plane or machine without tearing or chipping of the grain also, Koa can occasionally give problems in gluing, though this is somewhat uncommon. Workability: In most circumstances, Koa is easy to work, and sands well. Rot Resistance:Rated as non-durable to perishable regarding decay resistance, Koa is also susceptible to termite attack. Grain/Texture:Grain is usually slightly interlocked, and sometimes wavy. Boards figured with wavy and/or curly grain are also not uncommon. There are usually contrasting bands of color in the growth rings, and it is not uncommon to see boards with ribbon-like streaks of color. Color/Appearance: Color can be highly variable, but tends to be medium golden or reddish brown, similar to Mahogany.
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