Specie rating chart

Specie NFPA – fire rating Janka Hardness Rating Average Weight

Ipê (ee-pay)

A  (the same as concrete)

3680

72 lbs./cu. ft.

Cumaru

A

3540

67 lbs./cu. ft.

Massaranduba (massa)

A

3190

66 lbs./cu. ft.

Garapa

A

1700

50 lbs./cu. ft.

Cypress

C

570

32 lbs./cu. ft.

Inland Red Cedar

B

350

23 lbs./cu. ft.

Atlantic White Cedar

B

350

24 lbs./cu. ft.

Red Oak

C

1260

45 lbs./cu. ft.

White Oak

C

1360

50 lbs./cu. ft.

NFPA is the National Fire Protection

The Janka rating is a measure of the amount of force required to push a .444″ diameter steel ball half way into a piece of wood.