Manufactured Board and Finishing Woods

Manufactured Boards
Sizes
8 foot x 4 foot, 2.42 metres x 1.22 metres

Plywood
- strong, layered up of different veneers (grains counteract)
- Mareen ply, water proof

MDF
- medium density fibreboard
-wood chippings mashed up and adhesive added and then compressed to form wood
- glue will cause blades to blunt
-cheap

Hardboard
- Usually used for filling gaps
- Weak fibres will separate if it gets wet
- Furniture blacks

Chipboard
-Kitchens, table
-Made of thicker chipping, glue and compressed
- Add coating to make it stronger

Blockboard
-Sections of timber joined together with 2 venners (aesthetic reasons)
- scraps used

Aeroply
- Designed to bend
- used in aeroplanes

Maplex
- "posh" mdf
- used for furniture
- easier to machine

ALL A JOINT MIX OF DIFFERENT MATERIALS!

Veneers- slice of wood
Slice veneering, cutting a thin layer of wood off a sqaured sheet of wood
Rotery veneer, wood is spun so when the blade is put in you get a thin sheer of veneer, like pulling paper off a toilet roll.


Finishing Woods
- water or oil based
- When you varnish you brush a plastic coat onto it
- Must finish when ANY material is used

Plyurethane Varnish
- Plastic based varnish
- Most common
- Glass satin

Wood Stain
- changes the colour
- also a varnish
- no varnish? add it!

Oils
- used for furniture

Preservatives
- Applied to timber outdoors

Paint
- to ismply apply colour to timber

Injected preservative (tranalise = processed)
- Processed= injected with tranalise
- Processed where wood is dried out
- Shed fencing
- Only injected into 5mm of walls of timber, on face
- Legthens life by 4x