Decking

Ridgewood supplies a curated range of premium decking options — from durable Australian hardwoods to advanced composite boards by NewTechWood for a maintenance-free finish. For a more architectural look, we also offer acetylated Accoya timber, combining natural beauty with minimal maintenance, exceptional stability, and enduring longevity.

Filter
Name
Origin
  • All
  • Asia Pacific
  • Australia
  • China
  • Europe
  • New South Wales
  • North America
  • Queensland
  • Victoria
  • Western Australia
Durability
  • All
  • 1
  • 2
  • 3
  • 4
Suitability
  • All
  • Flooring
  • Joinery
  • Cabinets
  • Furniture
  • Decking
  • Staircase
  • Cladding
  • External
  • Structural
  • Boating

NewTechWood

Origin: China
Durability: 1
Suitability:
  • Cladding
  • Decking

NewTechWood

The Most Natural-Looking Composite Timber on The Market.

Suitability:

  • Cladding
  • Decking
FinishExcellent
StabilityGood
DurableYes
Sapwood Lyctid SusceptibleYes
Growing Regionchina
AvailabilityWidely

American Cherry

Origin: North America
Durability: 3
Suitability:
  • Cabinets
  • Decking
  • Flooring
  • Joinery
  • Staircase

American Cherry

Prunus Serotina

The heartwood varies from rich red to reddish brown and will darken on exposure to light in contrast the sapwood is creamy white.

The wood has a fine uniform straight grain, smooth texture, and can contain brown pith flecks and small gum pockets.

Also known as Black Cherry

Suitability:

  • Cabinets
  • Decking
  • Flooring
  • Joinery
  • Staircase
Density (kg/m3 dry)561
Specific Gravity0.5
Modulus of Rupture (MPa dry)84
Modulus of Elasticity (GPa dry)11
Radial Shrinkage % 3
Tangential Shrinkage %4
Hardness (Janka) (kN)4
FinishExcellent
StabilityGood
DurableNo
Sapwood Lyctid SusceptibleNo
MachiningExcellent
Resistance to Split in NailingGood
Resistance to Split in ScrewingGood
GluingGood
Growing Regionna
AvailabilityWidely

Accoya

Origin: Europe
Durability: 1
Suitability:
  • Boating
  • Cabinets
  • Cladding
  • Decking
  • Furniture
  • Joinery

Accoya

Accoya

Accoya® is modified timber using acetylation, which enables it to resist rot and defy the elements. Guaranteed for 50 years above ground and 25 years in ground. From joinery for the home to bridges submerged in water, Accoya® long life wood is a leading material that stands up to every application challenge.

Suitability:

  • Boating
  • Cabinets
  • Cladding
  • Decking
  • Furniture
  • Joinery
Density (kg/m3 dry)515
Specific Gravity0.51
Modulus of Rupture (MPa dry)90
Modulus of Elasticity (GPa dry)9
Radial Shrinkage % 0.4
Tangential Shrinkage %0.8
Hardness (Janka) (kN)4.1
FinishExcellent
StabilityGood
DurableYes
Sapwood Lyctid SusceptibleNo
MachiningExcellent
Resistance to Split in NailingFair
Resistance to Split in ScrewingGood
GluingGood
Growing Regioneur
AvailabilityWidely

Jarrah Decking

Origin: Western Australia
Durability: 2
Suitability:
  • Decking

Jarrah Decking

Eucalyptus Marginata

The striking deep red to light pink colours
of Jarrahhas proven to be a popular choice
for decking.

Jarrah is very hard-wearing and when treated with clear oil, its interlocking grain and vibrant colour add a touch of class to domestic decking and commercial applications.

A low-maintenance timber, Jarrah is versatile and can be used creatively in large or small areas to enhance landscaped areas and courtyards.

The classic, rich tone of Australian Jarrah is perfect where high-quality decking is required to complement thoughtful home
and garden design.

Sizes

Pencil Round Four Corners
65mm×20mm
85mm×20mm
130mm×20mm

BAL

Bush-fire Attack Level 29
All AS 3959 Required Applications

Suitability:

  • Decking
Density (kg/m3 dry)820
Specific Gravity0.8
Modulus of Rupture (MPa dry)112
Modulus of Elasticity (GPa dry)13
Radial Shrinkage % 5
Tangential Shrinkage %8
Hardness (Janka) (kN)8.5
FinishGood
StabilityGood
Sapwood Lyctid SusceptibleYes
MachiningFair
Resistance to Split in NailingFair
Resistance to Split in ScrewingFair
GluingGood
Growing Regionwa
AvailabilityWidely

Jarrah

Origin: Western Australia
Durability: 2
Suitability:
  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
  • Structural

Jarrah

Eucalyptus Marginata

Heartwood is a rich dark brownish red, sometimes marked by short, dark brown radial flecks on the end grain and boat shaped flecks on flat sawn surfaces which enhance it’s decorative value.

The grain is usually straight but often interlocked or wavy. The texture is even but moderately coarse.

Also known as Western Australian Jarrah

Suitability:

  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
  • Structural
Density (kg/m3 dry)820
Specific Gravity0.8
Modulus of Rupture (MPa dry)112
Modulus of Elasticity (GPa dry)13
Radial Shrinkage % 5
Tangential Shrinkage %8
Hardness (Janka) (kN)8.5
FinishGood
StabilityGood
DurableYes
Sapwood Lyctid SusceptibleYes
MachiningFair
Resistance to Split in NailingFair
Resistance to Split in ScrewingFair
GluingGood
Growing Regionwa
AvailabilityWidely

Ironbark Red

Origin: New South Wales & Queensland
Durability: 1
Suitability:
  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase

Ironbark Red

Eucalyptus Sideroxylon

Heartwood dark red. Sapwood pale yellow.

Texture medium and even. Grain interlocked.

Suitability:

  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
Density (kg/m3 dry)1130
Specific Gravity1.1
Modulus of Rupture (MPa dry)135
Modulus of Elasticity (GPa dry)17
Radial Shrinkage % 3.5
Tangential Shrinkage %7
Hardness (Janka) (kN)13
FinishFair
StabilityFair
DurableYes
Sapwood Lyctid SusceptibleYes
MachiningFair
Resistance to Split in NailingFair
Resistance to Split in ScrewingFair
GluingPoor
Growing Regionnsw & qld
AvailabilityLimited

Ironbark Grey

Origin: New South Wales & Queensland
Durability: 1
Suitability:
  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase

Ironbark Grey

Eucalyptus Paniculata

Heartwood colour varies from pale brown to dark chocolate brown and also dark red.

Texture moderately coarse and even. Grain usually interlocked.

Suitability:

  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
Density (kg/m3 dry)1120
Specific Gravity1.1
Modulus of Rupture (MPa dry)181
Modulus of Elasticity (GPa dry)24
Radial Shrinkage % 4.5
Tangential Shrinkage %8
Hardness (Janka) (kN)14
FinishPoor
StabilityFair
DurableYes
Sapwood Lyctid SusceptibleNo
MachiningFair
Resistance to Split in NailingFair
Resistance to Split in ScrewingFair
GluingPoor
Growing Regionnsw & qld
AvailabilityLimited

Damar Minyak

Origin: Asia Pacific
Durability: 1
Suitability:
  • Cabinets
  • Cladding
  • Decking
  • Flooring
  • Furniture
  • Joinery
  • Staircase

Damar Minyak

Agathis Dammer, Agathis Borneensis

Heartwood pale yellowish brown, sometimes with a pinkish tinge. Sapwood often hard to distinguish from the heartwood.

Texture very fine and even. Grain straight. No figure. Free of brittleheart.

Also known as East Indian Kauri, Indonesian Kauri.

Suitability:

  • Cabinets
  • Cladding
  • Decking
  • Flooring
  • Furniture
  • Joinery
  • Staircase
Density (kg/m3 dry)550
Specific Gravity0.5
Modulus of Rupture (MPa dry)67
Modulus of Elasticity (GPa dry)12
Radial Shrinkage % 1.5
Tangential Shrinkage %3
Hardness (Janka) (kN)3
FinishExcellent
StabilityGood
DurableNo
Sapwood Lyctid SusceptibleNo
MachiningExcellent
Resistance to Split in NailingExcellent
Resistance to Split in ScrewingExcellent
GluingGood
Growing Regionapac
AvailabilityWidely

Blue Gum

Origin: New South Wales & Queensland
Durability: 2
Suitability:
  • Cabinets
  • Cladding
  • Decking
  • Flooring
  • Furniture
  • Joinery
  • Staircase

Blue Gum

Eucalyptus Saligna

Heartwood dark pink to red brown. Sapwood usually sufficiently paler to be readily distinguished.

Texture moderately coarse and even. Grains straight or slightly interlocked. Gum veins common.

Also known as Sydney Blue Gum.

Suitability:

  • Cabinets
  • Cladding
  • Decking
  • Flooring
  • Furniture
  • Joinery
  • Staircase
Density (kg/m3 dry)850
Specific Gravity0.85
Modulus of Rupture (MPa dry)140
Modulus of Elasticity (GPa dry)18
Radial Shrinkage % 5
Tangential Shrinkage %9
Hardness (Janka) (kN)9
FinishGood
StabilityGood
DurableYes
Sapwood Lyctid SusceptibleYes
MachiningGood
Resistance to Split in NailingGood
Resistance to Split in ScrewingGood
GluingGood
Growing Regionnsw & qld
AvailabilityWidely

Blackbutt

Origin: New South Wales & Queensland
Durability: 1
Suitability:
  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
  • Structural

Blackbutt

Eucalyptus Pilularis

Heartwood pale brown, but northern material may sometimes display a slight pinkish tinge. Sapwood distinctively paler.

Texture medium and even. Grain usually straight. Gum veins are common.

Suitability:

  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
  • Structural
Density (kg/m3 dry)900
Specific Gravity0.9
Modulus of Rupture (MPa dry)144
Modulus of Elasticity (GPa dry)19
Radial Shrinkage % 4
Tangential Shrinkage %7
Hardness (Janka) (kN)9
FinishGood
StabilityGood
DurableYes
Sapwood Lyctid SusceptibleNo
MachiningGood
Resistance to Split in NailingGood
Resistance to Split in ScrewingGood
GluingPoor
Growing Regionnsw & qld
AvailabilityWidely

Western Red Cedar

Origin: North America
Durability: 2
Suitability:
  • Cabinets
  • Cladding
  • Decking
  • External
  • Joinery

Western Red Cedar

Thuja Plicata

Heartwood variable, from pale brown to dark brown. Sapwood is yellowish white.

Texture fine but uneven due to the prominent growth rings. Grain straight. Not resinous.

Also known as Red Cedar, American Cedar.

Suitability:

  • Cabinets
  • Cladding
  • Decking
  • External
  • Joinery
Density (kg/m3 dry)380
Specific Gravity0.38
Modulus of Rupture (MPa dry)54
Modulus of Elasticity (GPa dry)8
Radial Shrinkage % 1.5
Tangential Shrinkage %3
Hardness (Janka) (kN)2
FinishGood
StabilityExcellent
DurableYes
Sapwood Lyctid SusceptibleNo
MachiningGood
Resistance to Split in NailingGood
Resistance to Split in ScrewingGood
GluingGood
Growing Regionna
AvailabilityWidely

Spotted Gum

Origin: New South Wales & Queensland
Durability: 1
Suitability:
  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
  • Structural

Spotted Gum

Corymbia Maculata, Corymbia Citrodora, Eucalyptus Henryi

Heartwood pale to dark brown or chocolate. Sapwood is distinctively paler but there maybe a zone of intermediate wood.

Texture moderately coarse. Grain variable, the frequent presence of wavy grain produces an attractive fiddleback figure.

Slightly greasy nature. Gum veins common. Northern material is usually slightly denser, stronger and more durable than southern.

Also known as Lemon Scented Gum.

Suitability:

  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
  • Structural
Density (kg/m3 dry)950
Specific Gravity0.95
Modulus of Rupture (MPa dry)150
Modulus of Elasticity (GPa dry)23
Radial Shrinkage % 4.5
Tangential Shrinkage %6
Hardness (Janka) (kN)11
FinishGood
StabilityFair
DurableYes
Sapwood Lyctid SusceptibleYes
MachiningGood
Resistance to Split in NailingGood
Resistance to Split in ScrewingGood
GluingPoor
Growing Regionnsw & qld
AvailabilityAvailable

Rosewood

Origin: Asia Pacific
Durability: 1
Suitability:
  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase

Rosewood

Pterocarpus Indicus

Heartwood can be either golden brown or a dark blood red. Sapwood pale yellow.

Texture medium. Grain variable.

The freshly cut wood has a fragrant odour often highly figured.

Also known as New Guinea Rosewood, Solomon Islands Rosewood.

Suitability:

  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
Density (kg/m3 dry)650
Specific Gravity0.65
Modulus of Rupture (MPa dry)95
Modulus of Elasticity (GPa dry)12
Radial Shrinkage % 1
Tangential Shrinkage %2
Hardness (Janka) (kN)5
FinishExcellent
StabilityExcellent
DurableYes
Sapwood Lyctid SusceptibleNo
MachiningExcellent
Resistance to Split in NailingGood
Resistance to Split in ScrewingGood
GluingGood
Growing Regionapac
AvailabilityAvailable

Merbau

Origin: Asia Pacific
Durability: 1
Suitability:
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
  • Structural

Merbau

Instia Palembanica, Bijuga

Sapwood is well defined and pale yellow in colour. Heartwood is yellowish to orange brown when fresh, weathering to brown or dark red brown.

Grain is interlocked. Texture is coarse but even. Growth rings are distinct.

Vessels are often filled with a yellow or a white deposit. which is conspicuous on surface. The dark brown gummy substance readily leaches out in water.

Also known as Kwila.

Suitability:

  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
  • Structural
Density (kg/m3 dry)830
Specific Gravity0.83
Modulus of Rupture (MPa dry)147
Modulus of Elasticity (GPa dry)18
Radial Shrinkage % 1.5
Tangential Shrinkage %2.5
Hardness (Janka) (kN)9
FinishGood
StabilityGood
DurableYes
Sapwood Lyctid SusceptibleYes
MachiningGood
Resistance to Split in NailingFair
Resistance to Split in ScrewingGood
GluingGood
Growing Regionapac
AvailabilityAvailable

Silvertop Ash Decking

Origin: New South Wales & Victoria
Durability: 2
Suitability:
  • Decking

Silvertop Ash Decking

Eucalyptus Sieberi

Silvertop Ash is a lighter decking material than some other species, but it is durable and easily nailed, which makes it an attractive decking option.

It is a straight-grained timber that often features gum veins, ambrosia,growth rings and pencil steaks which add individuality to any decking project. The colour palette ranges from pale to medium browns with a hint of pink.

Silvertop is a native Australian timber which is sustainably harvested from forests stretching from the mid-north of New South Wales to Tasmania in the south.

Silvertop Ash provides good fire resistance, and is one of seven hardwood species that was found suitable for construction in bush-fire prone areas.

Sizes

Pencil Round Four Corners
90mm × 22mm
140mm × 32mm

BAL

Bush-fire Attack Level 12.5, 19 & 29

All AS 3959 Required Applications

Suitability:

  • Decking
Density (kg/m3 dry)850
Specific Gravity0.68
Modulus of Rupture (MPa dry)136
Modulus of Elasticity (GPa dry)17
Radial Shrinkage % 5
Tangential Shrinkage %10.6
Hardness (Janka) (kN)10.6
FinishGood
StabilityGood
Sapwood Lyctid SusceptibleNo
MachiningFair
Resistance to Split in NailingFair
Resistance to Split in ScrewingFair
GluingGood
Growing Regionnsw & vic
AvailabilityAvailable

Accoya Grey

Origin: Europe
Durability: 1
Suitability:
  • Boating
  • Cabinets
  • Cladding
  • Decking
  • External
  • Furniture
  • Joinery

Accoya Grey

Accoya Grey

Accoya Grey is an ultra-high performance product that combines the beauty and benefits of 100% real wood, but without the drawbacks. Coloured through completely from surface to core, the gorgeous colour grey delivers a premium look for decking and cladding that lasts.

Suitability:

  • Boating
  • Cabinets
  • Cladding
  • Decking
  • External
  • Furniture
  • Joinery
Density (kg/m3 dry)515
Specific Gravity0.51
Modulus of Rupture (MPa dry)90
Modulus of Elasticity (GPa dry)9
Radial Shrinkage % 0.4
Tangential Shrinkage %0.8
Hardness (Janka) (kN)4.1
FinishExcellent
StabilityExcellent
DurableYes
Sapwood Lyctid SusceptibleNo
MachiningExcellent
Resistance to Split in NailingFair
Resistance to Split in ScrewingGood
GluingGood
Growing Regioneur
AvailabilityWidely

Karri

Origin: Western Australia
Durability: 2
Suitability:
  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
  • Structural

Karri

Eucalyptus Diversicolor

Heartwood is reddish brown, paler in colour than Jarrah when fresh, but maturing to a more uniform brown.

The grain is interlocked with some wavy grain, the texture is even and moderately coarse.

Suitability:

  • Cabinets
  • Cladding
  • Decking
  • External
  • Flooring
  • Furniture
  • Joinery
  • Staircase
  • Structural
Density (kg/m3 dry)900
Specific Gravity0.88
Modulus of Rupture (MPa dry)132
Modulus of Elasticity (GPa dry)19
Radial Shrinkage % 4.5
Tangential Shrinkage %10
Hardness (Janka) (kN)9
FinishGood
StabilityGood
Sapwood Lyctid SusceptibleNo
MachiningFair
Resistance to Split in NailingFair
Resistance to Split in ScrewingFair
GluingFair
Growing Regionwa
AvailabilityWidely

Karri Decking

Origin: Western Australia
Durability: 2
Suitability:
  • Decking

Karri Decking

Eucalyptus Diversicolor

Hard-wearing Karri decking from Ridgewood Timber is a popular choice among builders and renovators. Karri is a dense, tough timber and its attractive, pink to reddish brown hues bring a touch of class to decking projects.

Karri is naturally good-looking and the use of natural oils helps bring out its even, interlocking grain and rich textures. 

Karri grows straight and tall in its natural environment and this uniformity can be used to great effect on new decks or those being integrated with classic renovations.

This versatile Australian timber adds value and practicality to a broad range of decking applications.

Sizes

Pencil Round Four Corners
65mm × 20mm
85mm × 20mm
135mm × 20mm

BAL

Bush-fire Attack Level 29
All AS 3959 Required Applications

Suitability:

  • Decking
Density (kg/m3 dry)900
Specific Gravity0.88
Modulus of Rupture (MPa dry)132
Modulus of Elasticity (GPa dry)19
Radial Shrinkage % 4.5
Tangential Shrinkage %10
Hardness (Janka) (kN)9
FinishGood
StabilityGood
Sapwood Lyctid SusceptibleNo
MachiningFair
Resistance to Split in NailingFair
Resistance to Split in ScrewingFair
GluingFair
Growing Regionwa
AvailabilityWidely