Sheet Goods

Question 1

What are sheet goods?

Answer 1

Refers to materials that come in flat sheets and also includes some sheet products that can be rolled

Question 2

What are the COMMON examples of sheet goods?

Answer 2

• Plywood
• MDF
• Particle Board
• Plastic Laminates
• Other Plastics

Question 3

What are the LESS COMMON examples of sheet goods?

Answer 3

• Cork
• Glass
• Insulation
• Metal

Question 4

What is a Composition Board?

Answer 4

Sheet goods made from fibers, chips, or flakes

Question 5

What are some examples of composition boards?

Answer 5

• MDF, HDF, LDF
• Particle Board
• OSB
• Hardboard
• Overlaid Composition Boards (Melamine & Foil or Vinyl)

Question 6

What is the common trade name for MDF?

Answer 6

Medite or Ranger

Question 7

What are the common thicknesses of MDF?

Answer 7

• 6mm (1/4”)
• 12mm (1/2”)
• 19mm (3/4”)
• 25mm (1”)

Question 8

What is the range of thickness that you can buy MDF?

Answer 8

2.5mm (1/10”) to 50mm (2”)

Question 9

What is the most common way to sell MDF in terms of sizing?

Answer 9

approximately 25mm (1”) oversized in width and length

Question 10

What is the typical thickness of a particle board?

Answer 10

10mm (3/8”) to 41mm (1 5/8”) with door core as thick as 57mm (2 1/4”)

Question 11

What is the typical thickness of a particle board for new processes?

Answer 11

as thin as 0.8mm (1/32”)

Question 12

What is the typical thickness of a particle board for veneering?

Answer 12

mostly available in 2mm (1/16”)

Question 13

What is the range of lengths for a particle board?

Answer 13

• 8’
• 10’
• 12’
• 14’

Question 14

What are the common press widths for oversized particle boards?

Answer 14

4’ or 5’ panels

Question 15

What is plywood?

Answer 15

A type of sheet good that has a minimum of 3 layers

Question 16

What are the 3 layers of plywood?

Answer 16

• Front wood veneer face
• Back wood veneer face
• Core

Question 17

What can the core layer of plywood be made out of?

Answer 17

• Wood Veneer Core
• Composition Core
• Combination Core
• Solid Wood Core

Question 18

How do you construct plywood veneer?

Answer 18

Glue together layers of veneer at right angles and must be balanced to prevent the sheet from warping

Question 19

What are the classes of plywood?

Answer 19

• Construction or Industrial (Softwood)
• Hardwood or Decorative (Hardwood)

Question 20

Where is SOFTWOOD PLYWOOD commonly used?

Answer 20

• where strength is more important than appearance
• sheathing, roofing or floor underlayment in wood frame construction

Question 21

Where is HARDWOOD PLYWOOD commonly used?

Answer 21

• where appearance is priority over strength
• mainly interior use

Question 22

Which plywood class can be made with waterproof adhesive?

Answer 22

Softwood Plywood

Question 23

Which plywood class isn’t made with waterproof glue ?

Answer 23

Hardwood Plywood

Question 24

What is Overlay Plywood?

Answer 24

Used for signs and smooth concrete formwork

Question 25

What are the two grades of overlay plywood?

Answer 25

• Medium Density Overlay (MDO)
• High Density Overlay (HDO)

Question 26

What are the characteristics of High Density Overlay (HDO)?

Answer 26

Smooth, Hard & Chemically Resistant Face

Question 27

Which overlay plywood is the most common?

Answer 27

Medium Density Overlay (MDO)