Core Materials-timber Flashcards

1
Q

Softwood

A

Grow in cooler climate (canada) ,softer and easier to work with , cone bearing-coniferous trees

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2
Q

Properties of softwood tree

A

Grow tall and straight-straight planks , looser grain structure,evergreen

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3
Q

Seasoning def

A

The drying out process of wood

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4
Q

Hardwood

A

Grow in temperate climates , harder and slightly more difficult to work with ,deciduous

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5
Q

Properties of hardwood tree

A

Broad leafed ,take 100 years to grow ,tighter grain structure , some evergreen but lode leafs in winter and autumn

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6
Q

Soft wood examples

A

Larch,pine,spruce,

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7
Q

Physical and working properties-larch

A

Pale with a darker,grainy knot

Durable,high sap content for water resistance, exterior building and flooring

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8
Q

Physical and working properties-pine

A

Pale coloured,aesthetically pleasing knot

Lightweight,easy to form , used for construction and decking

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9
Q

Physical and working properties-Spruce

A

Pale cream with even grain

Easy to form,takes stain well, used for construction and furniture

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10
Q

Physical and working properties-ash

A

Pale coloured narrow grain

Flexible and good for steam bending,tough,sports equiptment

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11
Q

Physical and working properties-Beech

A

Slight pink tint,close grain

Tough,durable,smooth to finish

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12
Q

Physical and working properties-mahogany

A

Dark-reddish colour,very close grain cuts and polishes easily,fine finish,high quality furniture

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13
Q

Physical and working properties-oak

A

Moderate brown colour with attractive grain marks

Tough and durable ,polishes well ,good quality furniture

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14
Q

Physical and working properties-balsa

A

Pale and widely spaced grain

Very soft and easy to form ,used to make models

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15
Q

Conversion def

A

After being felled ,the bark is stripped and rest is cut into panks

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16
Q

Why do we do seasoning

A

Otherwise moisture could cause split,warp or rot

17
Q

What is fsc

A

Forest stewardship Council makes sure trees are sustainably cut down and people who rely on forest do not suffer.they track wood to the stores

18
Q

What would a modern high end kitchen cupboard doors be made of

A

MDF-smooth and easy to finish,can be veneered, used for kitchen and flat pack furniture

18
Q

What would be suitable for heavy duty sub floor

A

Plywood-engineered with many layers 90 ° to each other for strength. Easy to cut and finish , can be stained/painted .

Used for shelving ,construction and toys

19
Q

What wood is under laminated kitchen surfaces

A

Chipboard-compacted wood chips,end cuts difficult to finish ,strong ut absorbant to water ,used for worktops and flooring

20
Q

How is fsc helping business

A

It is a marketing strategy to encourage people to buy environmentally friendly wood rather than otherwise