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Types of seasoning
Stock forms
Rough sawn, planned square edge (PSE), Planed all round (PAR)
Rough sawn doesn't need to be trimmed making it cheaper cuz less processes
Why is it good for a wood to have a straight grain?
Easier to work with and cut with along the grain, Stronger along the grain
Hardwood
BOAT BM
Natural timbers warp and twist
Softwood
LPS DC
Natural timbers warp and twist
Soft woods grow quicker TMT cheaper
Manufactured Board
MAP FCM
waste less wood
Beech
hardwood
smth
Oak
Hardwood
smth
Ash
Hardwood
smth
Teak
Hardwood
smth
Birch
Hardwood
smth
Mahogany
Hardwood
smth
Larch
softwood
hard, attractive reddish brown colour
resistant to insects and rot
colour fades in sunlight and it has a high resin content which can clog up cutting blades

Pine (European redwood)
softwood
light weight, straight grain but has knots
it will absorb moisture and warp if not treated
used for frames, furniture and wooden flooring

Spruce
softwood
straight grain, lightweight and flexible
used for indoor furniture
Douglas Fir
Softwood
smth

Cedar
softwood
high oil content (waterproof, resistant to decay and weathering)
has no knots and is lightweight
used for sheds, exterior cladding and interior panels
Marine Plywood
Manufactured Board
smth
Aeroply
Manufactured Board
smth
Plywood
Manufactured Board
smth
Flexible Plywood
Manufactured Board
smth
Chipboard
Manufactured Board
smth
MDF
Manufactured Board
smth