OKA WOOD PLANK
Wood Species Guide

Compare. Specify. Decide.

Every material we sell, side by side: two Brazilian hardwoods, two thermally modified woods and composite. Prices and lengths come straight from our live catalog.

Swipe horizontally to compare all specifications.

MaterialTypeBest forDensityDurabilityMaintenance
IpeBrazilian HardwoodDecking, cladding, fascia & trimAbout 1,030 kg/m³ air dry (sinks in water)Very durable. 25+ years outdoors, resistant to rot and insectsOptional annual oiling to keep the brown tone; otherwise weathers to silver grey
CumaruBrazilian HardwoodDecking & V-joint claddingAbout 1,090 kg/m³ air dryVery durable. 25+ years outdoors, resistant to rot and insectsOptional annual oiling to keep the golden tone; otherwise weathers to silver grey
Thermo AyousThermally Modified WoodWall & ceiling cladding, decorative panelsAbout 450 to 550 kg/m³ after thermal treatmentDimensionally stable and rot resistant above ground, with correct detailingAnnual UV oil recommended to keep the warm tone
Thermo AshThermally Modified WoodDeckingAbout 650 to 700 kg/m³ after thermal treatmentDimensionally stable and rot resistant above ground, with correct detailingAnnual UV oil recommended to keep the tone
CompositeCompositeDecking & facade claddingEngineered profile, not solid woodResists rot, insects, splinters and moistureSoap and water only. No sealing or oiling

Typical industry reference values for each material. Full specifications live on each product page.

Ipe Hardwood Decking Board 1" x 6" S4S E4E | OKA WOOD PLANK1 / 37
Brazilian Hardwood

Ipe

Dense Brazilian hardwood with a rich brown tone. Our widest range: boards, decking, grooved decking, V-joint and fascia. Lasts 25+ years untreated.

Best for
Decking, cladding, fascia & trim
From / piece
$7.77
Density
About 1,030 kg/m³ air dry (sinks in water)
Durability
Very durable. 25+ years outdoors, resistant to rot and insects
Maintenance
Optional annual oiling to keep the brown tone; otherwise weathers to silver grey
Available lengths
3 ft, 4 ft, 5 ft, 6 ft, 7 ft, 8 ft, 9 ft, 10 ft, 11 ft, 12 ft, 13 ft, 14 ft, 15 ft, 16 ft, 17 ft, 18 ft, 19 ft, 20 ft, 21 ft, 22 ft, 23 ft, 24 ft
Shop Ipe
Cumaru Hardwood Decking Board 1" x 6" | OKA WOOD PLANK1 / 25
Brazilian Hardwood

Cumaru

Brazilian hardwood with natural golden to reddish brown character, offered in standard and grooved decking, 5/4 boards and V-joint.

Best for
Decking & V-joint cladding
From / piece
$9.75
Density
About 1,090 kg/m³ air dry
Durability
Very durable. 25+ years outdoors, resistant to rot and insects
Maintenance
Optional annual oiling to keep the golden tone; otherwise weathers to silver grey
Available lengths
3 ft, 4 ft, 5 ft, 6 ft, 7 ft, 8 ft, 9 ft, 10 ft, 11 ft, 12 ft, 13 ft, 14 ft, 15 ft, 16 ft, 17 ft, 18 ft, 19 ft, 20 ft, 21 ft, 22 ft
Shop Cumaru
Thermally Modified Ayous Wood Tongue & Groove V-Joint Board 1" x 6" | OKA WOOD PLANK1 / 15
Thermally Modified Wood

Thermo Ayous

Thermally modified Ayous in S4S E4E boards, tongue and groove V-joint and decorative Grid Panels.

Best for
Wall & ceiling cladding, decorative panels
From / piece
$12.45
Density
About 450 to 550 kg/m³ after thermal treatment
Durability
Dimensionally stable and rot resistant above ground, with correct detailing
Maintenance
Annual UV oil recommended to keep the warm tone
Available lengths
3 ft, 4 ft, 5 ft, 6 ft, 7 ft, 8 ft, 9 ft, 10 ft, 11 ft, 12 ft, 13 ft, 14 ft, 15 ft, 16 ft
Shop Thermo Ayous
Thermally Modified Ash Wood Board 1" x 6" S4S E4E | OKA WOOD PLANK1 / 6
Thermally Modified Wood

Thermo Ash

Thermally modified Ash, listed as a 1 × 6 S4S E4E decking board.

Best for
Decking
From / piece
$20.40
Density
About 650 to 700 kg/m³ after thermal treatment
Durability
Dimensionally stable and rot resistant above ground, with correct detailing
Maintenance
Annual UV oil recommended to keep the tone
Available lengths
4 ft, 5 ft, 6 ft, 7 ft, 8 ft, 9 ft, 10 ft, 11 ft
Shop Thermo Ash
Royal Teak composite decking around a pool1 / 89
Composite

Composite

Composite decking in grooved and square edge profiles plus Grand Grid, Grid and Shiplap cladding, in multiple colors.

Best for
Decking & facade cladding
From / piece
$23.03
Density
Engineered profile, not solid wood
Durability
Resists rot, insects, splinters and moisture
Maintenance
Soap and water only. No sealing or oiling
Available lengths
7 ft, 8 ft, 12 ft, 14 ft, 16 ft
Colors (8)
Ash Wood, Charcoal Gray, French Oak, Mineral Black, Northern Walnut, Royal Teak, Silver Gray, White Oak
Shop Composite