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Redwood

January 25th, 2009

Scandinavian Pine (also referred to as ‘redwood’ to differentiate it from ‘whitewood’ such as Spruce) is imported from Sweden, Finland and Russia. The grades vary for different uses. Knots are common but their size and quality vary according to the part of the tree from which boards are converted.
 
It should be noted that the timber is kilned prior to shipping but the moisture content is often about 18%, and therefore higher than most kiln dried hardwood moisture contents.
 
The diameter of such pines normally result in board widths of 100mm - 225mm.
 
Edge-glued panels are imported in large volumes for pine furniture manufacturers, with lamination widths usually about 45mm.
 

Working Properties

  Machines well
  Glues well and takes nails and screws satisfactorily
  Stains and paints to an excellent finish
  Does not bend well
  Dries well and only shrinks a little

 

Physical Properties

  Medium overall strength
  Not stiff
  Low shock resistance
  Stable

 

Durability

  The heartwood is moderately resistant to preservative treatment, and the sapwood is permeable
  Moderately resistant to decay

 

Main Uses

  Suggested as a teak substitute
  Furniture
  Mouldings
  Joinery
  Kitchen cabinets
  Doors
  Panelling
  Construction
  Flooring

Wenge

January 25th, 2009

West African Wenge is very dark brown with close ‘black’ veins alternating with ‘pale’ bands and is therefore favoured by furniture makers. It is also used for turnery and joinery (for interior and exterior use) and can be used for flooring due to natural resistance to abrasion.
 
Sizes stocked at present are 26mm, 40mm and 52mm. Widths mainly 100 - 200mm and lengths 2m - 3m. Subject to availability at time of order.
 
Zebrano available to order, minimum 1m3 per thickness.
 

Working Properties

  Sawing and machining somewhat difficult
  Rapid blunting of cutting edges occurs
  Turns well
  Difficult to glue if resinous
  Requires pre-boring for nailing

 

Physical Properties

  High strength, stiffness and weight properties
  Moderate hardness
  Good bending properties
  Wenge dries slowly but without much distortion
  Movement in service is rated as small

 

Durability

  Heartwood is rated as very durable and resistant to termite attack
  Heartwood extremely resistant to impregnation; sapwood moderately resistant to permeable

 

Main Uses

  Flooring
  Interior and exterior joinery
  General construction work
  Panelling and veneers for furniture and cabinets

Meranti

January 25th, 2009

Malaysian dark red Meranti varies in colour from pale pink / white to dark red / purple. The density can also vary substantially as there are numerous sub-species.
 
It is generally easy to machine, and imported grade is mainly Selects & better.
 
Occasionally Meranti is affected by ambrosia beetle (visible as pinhole) when logs have been lying in tropical forests, but are killed off in kilning process.
 
Often used as a false ‘mahogany’ for products such as windows, conservatories and doors.
 
Thicknesses 1″, 1¼”, 1½”, 2″, 2½”, 3″ & 4″. Widths 4″ - 12″, mainly 6″ - 8″. Lengths 7′ - 18′ ,average about 12′.
 

Working Properties

  Easy to work with hand and machine tools
  Good nailing and gluing properties
  Smooth finishes but some tearing of interlocked grain
  Takes finishes well
  Moderately slow drying with a tendency to warp, thick material may check and end split
  Little movement in performance

 

Physical Properties

  Average overall strength and hardness
  Stable

 

Durability

  Heartwood is moderately durable
  In general, Meranti is naturally resistant to decay and insects
  Sapwood liable to attack by powder-post beetle
  Not resistant to marine borers
  Generally rated as resistant to preservative treatments, sapwood reported to be moderately resistant to permeable, varying with species

 

Main Uses

  Veneer and plywood
  Joinery
  Flooring
  Furniture and cabinetwork
  General construction
  Boatbuilding

Utile

January 25th, 2009

West African Utile is a ’sister’ species to Sapele but usually has a more interesting grain and gives a better ‘finish’, albeit at a higher price. Widths and lengths may be a little smaller than Sapele.
 

Working Properties

  Difficult to machine due to irregular grain
  Glues and nails well
  Interlocked grain may cause tearing in planing and shaping
  Good finishing but filing necessary

 

Physical Properties

  Moderate hardness and weight
  Medium bending and crushing strengths, not recommended for steam bending
  Wood bending difficult
  Kiln-dries satisfactorily, usually with only slight degrade
  Air-dries at a slow to moderate rate with a slight to marked tendency to end-check and warp
  Movement in service is rated as medium

 

Durability

  Heartwood is moderately resistant to attack by decay, fungi and termites
  Sapwood is liable to attack by powder-post beetle
  Heartwood is extremely resistant to treatment; sapwood is easy to treat

 

Main Uses

  Furniture and cabinetwork
  Joinery
  Decorative veneers
  Plywood
  Boat construction

Iroko

January 25th, 2009

West African Iroko is imported at grade FAS, mainly kiln dried. It is yellow when freshly machined which quickly changes to medium then darker brown (interior use). When used for exterior joinery such as garden furniture it will become silver-grey if left untreated. When machined, despite careful pre-straightening, some products may twist shortly after processing.
 
Thicknesses; 25mm, 32mm, 38mm, 50mm, 63mm, 75mm & 100mm. Widths mainly 130mm - 350mm, average about 230mm. Lengths; generally 2m - 4.5m, average 3m.
 

Working Properties

  Works fairly easily with hand or machine tools (some tearing of interlocked grain)
  Occasional deposits of calcium carbonate severely damage cutting edges
  Good nailing and gluing characteristics
  Moderate steam-bending properties
  May cause dermatitis in working wet wood
  Dries rapidly with minimum degrade
  Little movement in performance

 

Physical Properties

  Medium hardness, weight, bending and crushing strength
  Very low stiffness and shock resistance
  Moderate steam bending
  Good stability

 

Durability

  The heartwood is very durable
  The heartwood is reported to be naturally resistant to decay
  Heartwood is susceptible to attack by dry-wood insects
  Sapwood is susceptible to attack by powder-post beetle
  Sapwood has been reported to be highly resistant to termite attack in Africa

 

Main Uses

  Suggested as a teak substitute
  Joinery
  Boatbuilding
  Piling and marine work
  Domestic flooring
  Furniture
  Veneer
  Railroad crossties
  Cabinetwork
  Shop fittings

Balau

January 25th, 2009

Yellow Balau is stocked as an exterior ‘decking’ profile. This is a Malaysian hardwood with natural durability and will gradually weather to a silver-grey colour. Size is 28mm x 145mm profiled with small ‘ripple’ grooves on one face and deeper grooves on the reverse, allowing a choice of which side faces up.
 

Working Properties

  Machines well

 

Physical Properties

  Excellent overall strength
  Excellent weather resistance

 

Durability

  Little tendency to warp or twist
  20 - 30 years life span

 

Main Uses

  Heavy duty outdoor furniture
  Flooring
  Construction

Redwood

January 25th, 2009

Scandinavian Pine (also referred to as ‘redwood’ to differentiate it from ‘whitewood’ such as Spruce) is imported from Sweden, Finland and Russia. The grades vary for different uses. Knots are common but their size and quality vary according to the part of the tree from which boards are converted.
 
It should be noted that the timber is kilned prior to shipping but the moisture content is often about 18%, and therefore higher than most kiln dried hardwood moisture contents.
 
The diameter of such pines normally result in board widths of 100mm - 225mm.
 
Edge-glued panels are imported in large volumes for pine furniture manufacturers, with lamination widths usually about 45mm.
 

Working Properties

  Machines well
  Glues well and takes nails and screws satisfactorily
  Stains and paints to an excellent finish
  Does not bend well
  Dries well and only shrinks a little

 

Physical Properties

  Medium overall strength
  Not stiff
  Low shock resistance
  Stable

 

Durability

  The heartwood is moderately resistant to preservative treatment, and the sapwood is permeable
  Moderately resistant to decay

 

Main Uses

  Suggested as a teak substitute
  Furniture
  Mouldings
  Joinery
  Kitchen cabinets
  Doors
  Panelling
  Construction
  Flooring

Keruing

January 25th, 2009

Keruing comprises 70 similar species (from various areas in Malaysia/Sarawak/Sabah/Indonesia) which have variations of density and weight. For example it can vary from 640 - 960 kg/m3. Texture is moderately coarse and may have shallow interlocking grain. The colouring is not an issue as it is used for exterior constructions and will weather to silver-grey.
 
Sizes we mainly stock are 50mm x 150mm sawn and 28mm x 145mm profiled Half-lap vehicle flooring, although some other sizes are available in limited quantities.
 

Working Properties

  Contains silica which has a blunting effect on tools
  Normally sold air-dried
  Some cupping may occur

 

Physical Properties

  High crushing strength
  Medium resistance to shock-loads
  Exudes resin naturally in humid or warmer temperatures

 

Durability

  Moderately durable
  Non-resistant to some termites
  Resistant to preservative-treatments

 

Main Uses

  Lorry floors
  Wharf decking

Idigbo

January 25th, 2009

West African Idigbo imported grade FAS is a yellow-coloured hardwood used mainly for paint-finish interior shop-fitting and joinery. It may have discolouration or signs of ‘pin-hole’ (ambrosia beetle.)
 
Thicknesses - 1″, 1¼”, 1½”, 2″, 2½”, 3″ & 4″. Widths 3″ & wider, mainly 4″ - 7″ & lengths 7′ - 14′.
 

Working Properties

  Easy to work with hand and machine tools
  Good nailing and gluing properties, best to pre-bore
  Finishes well
  Turns well
  Dries rapidly with minimum degrade
  Little movement in performance

 

Physical Properties

  Good overall strength
  Moderate hardness
  Natural resistance to moisture

 

Durability

  Heartwood is durable
  Heartwood is moderately resistant to termite attack
  Sapwood liable to powder-post beetles
  Heartwood highly resistant to preservative treatments; sapwood moderately resistant

 

Main Uses

  Furniture components
  Joinery
  Decorative panelling
  Veneers
  Flooring
  Light construction

Sapele

January 25th, 2009

Sapele from West Africa is a reddish-brown hardwood. Although some parts of the Sapele logs will produce straight-grain or ‘quartered’ effect, generally it has a more random grain appearance. It is used for numerous mahogany-looking products, for example conservatories, door frames and solid wood doors, furniture and counter tops.
 
It is available kiln dried in thicknesses 26mm, 32mm, 38mm, 50mm, 63mm, 76mm and 100mm. Random widths range from 100mm to about 400mm and lengths 2m to about 5m.
 
It is essential to specify the narrowest and shortest dimensions to optimise the lower priced sizes.
 

Working Properties

  Works fairly well with hand and machine tools
  Tends to tear interlocked grain in planing
  Saws easily
  Finishes well
  Good gluing and nailing properties
  Satisfactory peeling and slicing

 

Physical Properties

  Moderate hardness and weight
  Medium bending and crushing strengths, not recommended for steam bending
  Seasons fairly rapidly but with a marked tendency to warp
  Very variable in drying properties, requires careful stacking
  Movement in service is rated as medium

 

Durability

  Heartwood is moderately durable
  Resistance to termite attack is variable
  Sapwood liable to powder-post beetle attack
  Heartwood resistant, sapwood moderately resistant

 

Main Uses

  Furniture and cabinetwork
  Decorative veneers
  Plywood
  Joinery
  Flooring
  Panelling
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