Cumaru Wood is commonly known as Brazilian Teak. It is a very hard known for Cumaru exterior decking & cladding. Cumaru Wood is often used as a less expensive hardwood alternative in decking. Cumaru wood is extremely stiff, strong, and hard, lending itself well to a variety of applications.
Cumaru Wood, available in the sizes of the length of 3 feet to 6 feet, 140 and 100 mm of width & 21 mm of thickness.
Color: Before exposure to UV light, Brazilian teak is a reddish brown with yellowish brown streaks in it. After exposure, it will be a light brown in color or yellow brown throughout.
Grain: The Brazilian Teak grain is fine, interlocked, and has an oily or waxy feel.
Janka Hardness: 3,330 lbf (14,800 N)
Cumaru has superb dimensional stability, high resistance to decay and climatic fluctuations.
Shrinkage: Radial: 5.3%, Tangential: 7.7%, Volumetric: 12.6%, T/R Ratio: 1.5
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.
Odor: Cumaru has a faint, vanilla or cinnamon-like odor when being worked.