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Heritiera utilis = Tarrietia utilis
Known also as nyankom (Ghana), ogoue (Gabon), yami (Sierra Leone), whismore (Liberia), anguekong and kwaeduma.
Where it grows
Niangon grows in the West African coastal forests from Sierra Leone through Liberia and the Ivory Coast to Ghana. A closely allied species occurs in Gaboon and it is shipped under the same name.
| Appearance | ||
|---|---|---|
| Sapwood | white to grevish white |  |
| Heartwood | pink brown to red brown, darkening on exposure | |
| Grain | slightly interlocked | |
| Height | 60 ft with diameter of about 2'-3' | |
| Properties | |
|---|---|
| Green weight kg/m³ | 900-1000 |
| Specific gravity at 12 % M.C. (kg/m³) | 700 medium |
| Volumetric swelling for 1% M.C. variation V% | 0,44 medium |
| Crushing strength (N/mm²) C12 | 55 |
| Static bending strength (N/mm²) F12 | 118 |
| Modulus of Elasticity (N/mm²) E12 | 9900 |
| Processing | |
|---|---|
|
« Κακή
Καλή »
| |
| Sawing |  |
| Drying | |
| Machining | |
| Wood Bending | |
| Gluing | |
| Nailing | |
| Finishing | |
End Uses
Exterior joinery, window frames, doors, drawer sides, boat construction, vehicle bodies, furniture, veneer and plywood.
Remarks
Medium strength, moderate durability and resistant to preservative treatment. An alternate to menkular for some end-uses. Ogoue from Gabon is heavier.
Aucoumea klaineana
Known also as okume and n’goumi (Equat. Guinea), angouma (Gabon) and n’kumi (Congo).
Where it grows
Oukoume grows mostly in Equatorial Guinea, Gabon and the Congo Republic.
| Appearance | ||
|---|---|---|
| Sapwood | Demarcated, frevish white |  |
| Heartwood |
light pink to dark pink, darkening to pink-brown on exposure |
|
| Grain | slightly interlocked | |
| Height | 200 ft with diameter of about 3'-6,5' | |
| Properties | |
|---|---|
| Green weight kg/m³ | 550-650 |
| Specific gravity at 12 % M.C. (kg/m³) | 440 light |
| Volumetric swelling for 1% M.C. variation V% | 0,33 small |
| Crushing strength (N/mm²) C12 | 36 |
| Static bending strength (N/mm²) F12 | 87 |
| Modulus of Elasticity (N/mm²) E12 | 7800 |
| Processing | |
|---|---|
|
« Poor
Good »
| |
| Sawing | |
| Drying | |
| Machining | |
| Wood Bending | |
| Gluing | NO DATA |
| Nailing | |
| Finishing | |
End Uses
Interior joinery, plywood, blockboard, laminboard, facings and mouldings a substitute for mahongy, interior frames for furniture, boxes and crates.
Remarks
Weak timber of light density, moderate durability and moderately resistant to preservative treatment. Okoume is exported more than any other African wood.
Morus mesozygia
Known also as difou and kankate (Zaire).
Where it grows
Ghana and from Senegal to Cameroon and Gabon.
| Appearance | ||
|---|---|---|
| Sapwood | pale |  |
| Heartwood | yellowish mellowin to yellow brown | |
|
Grain |
straight / slightly interlocked |
|
| Properties | |
|---|---|
| Specific gravity at 12 % M.C. (kg/m³) | 825 heavy |
| Strength | high |
| Durability | low |
| Shrinkage | medium |
| Processing | |
|---|---|
|
« Poor
Good »
| |
| Sawing | |
| Machining | |
| Finishing | |
End Uses
General construction, structural joinery, woodware and flooring.
Remarks
Hard, heavy, good resistance to wear and high strength structural timber. Some resemblance to Odum.
Entandrophragma cylindricum sprague
Known also as aboudikro (Ivory Coast), penkwa (Ghana), Assie – Sapelli(Cameroon), undianuno (Angola, Congo) and sapelli-mahagoni(Germany).
Where it grows
Sapele grows widely in the tropical rain forests of West, Central and East Africa, from the Ivory Coast through Ghana and Nigeria to Cameroon, and eastwards to Uganda, Zaire and Tanzania.
| Appearance | ||
|---|---|---|
| Sapwood | pinkish grey to whitish | |
| Heartwood | red brown to purplish brown | |
| Grain | slightly interlocked | |
| Height |
150-200 ft with diameter of about 3' |
|
| Properties | |
|---|---|
| Green weight kg/m³ | 850-950 |
| Specific gravity at 12 % M.C. (kg/m³) | 680 medium |
| Volumetric swelling for 1% M.C. variation V% | 0,47 medium |
| Crushing strength (N/mm²) C12 | 62 |
| Static bending strength (N/mm²) F12 | 142 |
| Modulus of Elasticity (N/mm²) E12 | 11200 |
| Processing | |
|---|---|
|
« Poor
Good »
| |
| Sawing | |
| Drying | |
| Machining | |
| Wood Bending | |
| Gluing | |
| Nailing | |
| Finishing | |
End Uses
Interior and exterior joinery, interior fittings and panelling, sliced veneers for cabinets, flooring, plywood, furniture and boat construction.
Remarks
High crushing strength, moderate durability and resistant to preservative treatment.
Quercus spp.
The principal species producing Europen oak are Q.petrea (sessile oak, Durmast oak in the UK and English/French/Polish/Slavonian oak according to origin) also Q.robur (UK)
| Appearance | ||
|---|---|---|
| Sapwood | lighter than heartwood |  |
| Heartwood | light tan or yellow brown | |
| Grain | straight | |
| Height |
60-100 ft with diameter of about 4-6' |
|
| Properties | |
|---|---|
| Average weight (kg/m³) | 720-750 |
| Seasoned weight (kg/m³) | 660 |
| Strength | υψηλή |
| Steam bending |
πολύ καλή |
| Processing | |
|---|---|
|
« Poor
Good »
| |
| Drying | |
| Machining | |
| Finishing | |
End Uses
Furniture, cabinets, boat building, dock and harbour work, high-class interior and exterior joinery, flooring and veneer.
Remarks
One of world’s most popular timbers.
| Dimensions | ||
|---|---|---|
| Dimensions | Quality | Length |
| 25 x 130 mm + | 4 sides clear w/out saps | 2.20 m + |
| 49 x 130 mm + |
4 sides clear w/out saps |
2.20 m + |
Fagus spp., F.sylvatica, L. produces Europen
| Appearance | ||
|---|---|---|
| Wood | pale cream to pinkish brown weathered to deep reddish bronze brown after steaming |  |
| Grain | straight | |
|
Height |
150 ft with diameter 4' |
|
| Properies | |
|---|---|
| Seasoned Weight (kg/m³) | 720 |
| Crushing Strength | high |
| Bending Strength | medium |
| Steam Bending |
very good |
| Processing | |
|---|---|
|
« Poor
Good »
| |
| Μachining | |
| Gluing | |
| Nailing | |
|
Finishing |
|
End uses
Furniture, interior joinery, when treated also exterior joinery, domestic woodware, sports goods, parts of musical instruments, plywood, veneer and flooring.
Remarks
Beech is most popular general purpose timber. Beech is classified as permeable for preservative treatment. It dries rapidly and well but is moderately refractory and shrinks considerably in service.| Dimensions | |
|---|---|
| Quality | Dimensions |
|
Super Extra |
26(23.8) x 130 & up x 2200, 2450, 2750 mm |
| Super Extra |
26(23.8) x 130 & up x 3100, 3400, 3800, 4000 mm |
| Super Extra |
52(48.5) x 130 & up x 2200, 2450, 2750 mm |
| Super Extra | 52(48.5) x 130 & up x 3100, 3400, 3800, 4000 mm |
STEAMED PLANED, 4 SIDES CLEAR 90%, KD 8-10%
Betula pendula
| Appearance | ||
|---|---|---|
| Wood | creamy white to pale brown |  |
| Grain | straight | |
| Height |
60-70 ft with diameter 2''-3'' |
|
| Properties | |
|---|---|
| Seasoned weight (kg/m³) | 660 |
| Crushing strength | high |
| Bending strength |
high |
| Processing | |
|---|---|
|
« Poor
Good »
| |
| Μachining | |
| Gluing | |
|
Nailing |
|
| Finishing | |
End Uses
Plywood, upholstery framing, interior joinery, furniture, turnery, decorative veneer for doors and paneling.
Remarks
Birch can be found further north than any other broadleaved tree. It is sold according to its country of origin. It is heavy dense wood.
| Dimensions | ||
|---|---|---|
| Dimensions | Quality | Length |
| 26 x 75/100/125 mm | 3 sides clear | 0.90 - 5.50 m |
| 26 x 75/100/125 mm |
4 sides clear |
0.90 - 5.50 m |
Fraxinus spp
Known also as Northern ash and Southern ash.
Where it grows
Ash grows throughout Eastern USA.
| Appearance | ||
|---|---|---|
| Sapwood | light copoured nearly white |  |
| Heartwood |
grayish brown to light brown and pale yellow streaked with brown |
|
| Grain | straight | |
| Height |
70-80 ft with diameter 2'-4' |
|
| Properties | |
|---|---|
| Average weight at 12% M.C ( kg/m³) | 673 |
| Specific gravity at 12 % M.C. | 0,60 |
| Average Volumetric Shrinkage Green to 6 % M.C (%) | 10,7 |
| Crushing strength |
very good |
| Bending strength | very good |
| Modulus of Elasticity (Mpa) | 11,977 |
| Hardness (N) | 5871 |
| Processing | |
|---|---|
|
« Poor
Good »
| |
| Drying | |
| Machining | |
| Wood Bending | |
| Gluing | |
| Nailing | |
| Finishing | |
End Uses
Flooring, joinery and moulding, panelling, doors, cabinets and furniture.
Remarks
The heartwood is moderately resistant to treatment with preservatives. The sapwood is permeable. It has excellent shock resistance. The properties of ash can vary according to the growing region. American ash is similar in appearance to European ash.
Prunus serotina
Known also as American black cherry.
Where it grows
Cherry grows throughout Eastern USA. Main areas are Virginia, West Virginia, Pennsylvania and New York States.
| Appearance | ||
|---|---|---|
| Sapwood | creamy white |  |
| Heartwood |
red to reddis brown, darkening on exposure |
|
| Grain | straight | |
| Height |
100 ft with diameter 2'-5' |
|
| Properties | |
|---|---|
| Average weight at 12% M.C ( kg/m³) | 561 |
| Specific gravity at 12 % M.C. | 0,50 |
| Average Volumetric Shrinkage Green to 6 % M.C (%) | 9,2 |
| Crushing strength |
medium |
| Bending strength | medium |
| Modulus of Elasticity (Mpa) | 10,274 |
| Hardness (N) | 4226 |
| Processing | |
|---|---|
|
« Poor
Good »
| |
| Drying | |
| Machining | |
| Wood Bending | |
| Gluing | |
| Nailing | |
| Finishing | |
End Uses
Flooring, joinery and moulding, turning and carving, panelling, doors, cabinets and furniture.
Remarks
The heartwood is moderately resistant to treatment with preservatives. The wood has medium density and good bending properties.
Bitumen / Membranes
Vernikos Lines Oy - World Timber | 42, Nik. Plastira str., 14671 Nea Erythrea, Greece
Tel.: +30 210 807 4029 | Fax: +30 210 807 4977 | e-mail: info@vernikoslines.gr
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