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Red Oak

Quercus spp.

Known also as Northern red oak and Southern red oak.

Where it grows

Red oak grows widespread throughout Eastern USA.

Appearance
Sapwood	white to light brown
Heartwood	pinkish reddish brown
Grain	straight
Height	60-75 ft with diameter 3'

Properties
	N.R.O.*	S.R.O.*
Average weight at 12% M.C ( kg/m³)	705	753
Specific gravity at 12 % M.C.	0,63	0,68
Average Volumetric Shrinkage Green to 6 % M.C (%)	10,8	-
Crushing strength	high	high
Bending strength	medium	medium
Modulus of Elasticity (Mpa)	12,549	15,721
Hardness (N)	5738	6583

* N.R.O. = northern Red Oak
* S.R.O. = Southern Red Oak

Processing
	« Poor Good »
Drying
Machining
Wood Bending
Gluing
Nailing
Finishing

End Uses

Construction, flooring, internal joinery and mouldings, panelling, doors, cabinets, furniture and caskets.

Remarks

Moderately easy to treatment with preservatives. Red oak can vary in colour and properties according to the growing region. It is a hard and heavy wood and it grows more abundantly than the white oaks.

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Published in Hardwood

White Oak

Quercus spp.

Known also as Northern white oak and Southern white oak.

Where it grows

White Oak grows throughout Eastern USA.

Appearance
Sapwood	light coloured
Heartwood	light to dark brown
Grain	straight
Height	80-100 ft with diameter 3'-4'

Properties
Average weight at 12% M.C ( kg/m³)	769
Specific gravity at 12 % M.C.	0.68
Average Volumetric Shrinkage Green to 6 % M.C (%)	12.6
Crushing strength	medium
Bending strength	medium
Modulus of Elasticity (Mpa)	12,273
Hardness (N)	6049

Processing
	« Poor Good »
Drying
Machining
Wood Bending
Gluing
Nailing
Finishing

End Uses

Construction, flooring, joinery, mouldings, panelling, doors, cabinets, furniture, railway sleepers, bridges, barrel staves and caskets.

Remarks

The heartwood is very resistant to preservative treatment and the sapwood is moderately resistant to treatment. A hard and heavy wood similar in colour and appearance to European oak. The most important hardwood for export.

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Published in Hardwood

Black Walnut

Juglans nigra

Known also as American walnut.

Where it grows

Walnut grows throughout Eastern USA, but main region is the Central States.

Appearance
Sapwood	creamy white
Heartwood	light brown to dark brown
Grain	straight
Height	70-130 ft with diameter 2'-6'

Properties
Average weight at 12% M.C ( kg/m³)	609
Specific gravity at 12 % M.C.	0,55
Average Volumetric Shrinkage Green to 6 % M.C (%)	10,2
Crushing strength	moderate
Bending strength	moderate
Modulus of Elasticity (Mpa)	11,584
Hardness (N)	4492

Processing
	« Poor Good »
Drying
Machining
Wood Bending
Gluing
Nailing
Finishing

End Uses

Joinery, panelling, flooring, doors, cabinets, furniture and architectural interiors.

Remarks

Black walnut is a tough hard timber of medium density and it is one of the most durable woods even under conditions favourable to decay. It can be supplied steamed or unsteamed. Walnut is planted as well as naturally regenerated.

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Published in Hardwood

Hard Maple

Acer saccharum, A. Nigrum

Known also as Sugar maple and black maple.

Που ευδοκιμεί

Hard Maple grows throughout Eastern USA, but the main areas are Mid-Atlantic and Lake States.

Appearance
Sapwood	creamy white
Heartwood	light to dark reddish brown
Grain	straight
Height	70-100 ft with diameter 2'-3'

Properties
Average weight at 12% M.C ( kg/m³)	705
Specific gravity at 12 % M.C.	0,63
Average Volumetric Shrinkage Green to 6 % M.C (%)	11,9
Crushing strength	-
Bending strength	-
Modulus of Elasticity (Mpa)	12,618
Hardness (N)	6450

Processing
	« Poor Good »
Drying
Machining
Wood Bending
Gluing
Nailing
Finishing

End Uses

Joinery, doors, cabinets, panelling, furniture and flooring.

Remarks

The heartwood is resistant to treatment with preservatives. Sapwood is permeable. The wood is hard and heavy and its fire resistant properties are reported to be higher than the average timber.

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Published in Hardwood

Soft Maple

Principally acer rubrum, A. Saccharinum

Known also as Red maple and silver maple.

Where it grows

Soft Maple grows throughout Eastern USA.

Appearance
Sapwood	grevish white
Heartwood	light to dark reddish brown
Grain	straight
Height	60-90 ft with diameter 2'

Ιδιότητες
Average weight at 12% M.C ( kg/m³)	609
Specific gravity at 12 % M.C.	0,54
Average Volumetric Shrinkage Green to 6 % M.C (%)	10,5
Crushing strength	medium
Bending strength	medium
Modulus of Elasticity (Mpa)	11,308
Hardness (N)	4226

Processing
	« Poor Good »
Drying
Machining
Wood Bending
Gluing
Nailing
Finishing

End Uses

Joinery and moulding, doors, cabinets, panelling, furniture and turning.

Remarks

The heartwood is moderately resistant to treatment with preservatives. Sapwood is permeable. The wood of soft maple is similar to hard maple. It can be substitute for beech.

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Published in Hardwood

Poplar

Liriodendron tulipifera

Known also as Yellow poplar, tulip poplar and canary whitewood.

Where it grows

Tulipwood grows widespread throughout Eastern USA.

Appearance
Sapwood	creamy white
Heartwood	pale yellowish brown to olive green, darkening on exposure
Grain	straight
Height	200 ft with diameter 6'

Properties
Average weight at 12% M.C ( kg/m³)	449
Specific gravity at 12 % M.C.	0,42
Average Volumetric Shrinkage Green to 6 % M.C (%)	9,8
Crushing strength	-
Bending strength	-
Modulus of Elasticity (Mpa)	10,894
Hardness (N)	2402

Processing
	« Poor Good »
Drying
Machining
Wood Bending
Gluing
Nailing
Finishing

End Uses

Joinery and mouldings, light construction, turning and carving, panelling, doors, cabinets and furniture and edged-glued panels.

Remarks

The heartwood is moderately resistant to treatment with preservatives. Sapwood is permeable. The characteristics of wood can vary according to growing regions. The wood is has many desirable characteristics.

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Published in Hardwood

Tropical hardwood

Tropical hardwood is different types of sawn timber and the main use is for constructions and furnitures.

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Published in Hardwood

European hardwood

European hardwood is different types of timber and the main use is for constructions and furnitures.

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Published in Hardwood

American hardwood

American hardwood is different types of timber and the main use is for constructions and furnitures.

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Published in Hardwood

Southern Yellow Pine

Pinus spp.

Known also as pitch pine and Southern pine. Four main species: shortleaf, longleaf, loblolly and slash.

Where it grows

Southern Yellow Pine grows in a vast band across the Southern USA from Texas to Virginia.

Appearance
Sapwood	yellowish white
Heartwood	light yellow/orange to red brown or yelowish brown
Grain	wide closed
Height	100-120 ft with diameter 2' - 2,5'

Properties
Average weight at 12% M.C ( kg/m³)	537-626
Specific gravity at 12 % M.C. (kg/m³)	0,51-0,61

Processing
	« Poor Good »
Machining
Gluing
Nailing
Finishing

End Uses

Construction, furniture, veneers and plywood.

Remarks

Southern Yellow Pine’s high density gives it natural strength, weight and wearing resistance. It is comparable to hardwood species such as oak, ash and hickory. The wood is amenable to treatment with chemical preservatives.

Tagged under:

Published in Softwood

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Bitumen / Membranes

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