Products / Lumber / Cumaru
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Cumaru

Heartwood tends to be a medium to dark brown, and may have a reddish or purplish hue and streaks of yellowish or greenish brown. Colour lightens with exposure to light.

Thicknesses

Subject to availability

4/4
5/4
6/4
7/4
8/4
9/4
10/4
12/4
16/4
20/4
1/2"
3/4"
1"

Distribution

Northern South America

Scientific Name

Dipteryx odorata

Specific Gravity: Basic

0.86

Specific Gravity: 12% MC

1.09

Janka Hardness

3330

Colour/Appearance

Heartwood tends to be a medium to dark brown, sometimes with a reddish or purplish hue; some pieces may have streaks of yellowish or greenish brown.

Grain/Texture

Grain is interlocked, with a medium texture and a waxy feel.

Endgrain

Diffuse-porous; solitary and radial multiples; large pores in no specific arrangement, few; heartwood mineral/gum deposits present; parenchyma lozenge, aliform, confluent, and sometimes marginal; narrow rays, spacing fairly close.

Rot Resistance

Cumaru has excellent durability and weathering properties. The wood is rated as very durable regarding decay resistance, though it may be susceptible to some insect attacks.

Workability

Tends to be difficult to work on account of its density and interlocked grain. If the grain is not too interlocked, Cumaru can be surface-planed to a smooth finish. However, the wood contains silica and will have a moderate blunting effect on tool cutters. Due to its high oil content and density, Cumaru can present difficulties in gluing, and pre-boring is necessary when screwing or nailing the wood.

Odor

Cumaru has a faint, vanilla or cinnamon-like odor when being worked.

Allergies/Toxicity

Besides the standard health risks associated with any type of wood dust, no further health reactions have been associated with Cumaru.

Pricing/Availability

Should be inexpensive for an import. Cumaru, much like Jatoba, represents a great value for those seeking a low-cost lumber that has excellent strength and hardness properties.

Sustainability

This wood species is not listed in the CITES Appendices or on the IUCN Red List of Threatened Species.
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