Iroko

Kambala Chlorophora excelsa

Appearance

Iroko

Shown with water-based finish (top), and oil-based finish (bottom)

Color: Light to medium brown when newly installed; has a significant color change and turns to brown/dark brown over time.

Grain: Interlocked medium to coarse texture.

Species & Grade Variations: Dramatic difference between quartersawn and flatsawn products.

Properties

Hardness (Janka): 1260 (2% softer than Northern red oak).

Dimensional Stability: Excellent (3.8; 66% more stable than Northern red oak).

Workability

Sawing/Machining: Somewhat stringy—may split and splinter when resanding or ripping.

Sanding: No known problems.

Suggested Sequence:

  • First Cut: 50 at a 7-15 degree angle with the grain
  • Second Cut: 60 or 80 straight with the grain
  • Third Cut: 100
  • Hard Plate: 120
  • First Screen: 100
  • Second Screen: 120

Nailing: No known problems.

Finishing: Staining and/or bleaching this species may be difficult. No finish compatibility problems are known.

Comments: Dust is known to cause both contact dermatitis and respiratory reactions.

Origin

Africa.

Availability

Moderately available.