What are sheet goods?
Refers to materials that come in flat sheets and also includes some sheet products that can be rolled
What are the COMMON examples of sheet goods?
- Plywood
- MDF
- Particle Board
- Plastic Laminates
- Other Plastics
What are the LESS COMMON examples of sheet goods?
- Cork
- Glass
- Insulation
- Metal
What is a Composition Board?
Sheet goods made from fibers, chips, or flakes
What are some examples of composition boards?
- MDF, HDF, LDF
- Particle Board
- OSB
- Hardboard
- Overlaid Composition Boards (Melamine & Foil or Vinyl)
What is the common trade name for MDF?
Medite or Ranger
What are the common thicknesses of MDF?
- 6mm (1/4”)
- 12mm (1/2”)
- 19mm (3/4”)
- 25mm (1”)
What is the range of thickness that you can buy MDF?
2.5mm (1/10”) to 50mm (2”)
What is the most common way to sell MDF in terms of sizing?
approximately 25mm (1”) oversized in width and length
What is the typical thickness of a particle board?
10mm (3/8”) to 41mm (1 5/8”) with door core as thick as 57mm (2 1/4”)
What is the typical thickness of a particle board for new processes?
as thin as 0.8mm (1/32”)
What is the typical thickness of a particle board for veneering?
mostly available in 2mm (1/16”)
What is the range of lengths for a particle board?
- 8’
- 10’
- 12’
- 14’
What are the common press widths for oversized particle boards?
4’ or 5’ panels
What is plywood?
A type of sheet good that has a minimum of 3 layers
What are the 3 layers of plywood?
- Front wood veneer face
- Back wood veneer face
- Core
What can the core layer of plywood be made out of?
- Wood Veneer Core
- Composition Core
- Combination Core
- Solid Wood Core
How do you construct plywood veneer?
Glue together layers of veneer at right angles and must be balanced to prevent the sheet from warping
What are the classes of plywood?
- Construction or Industrial (Softwood)
- Hardwood or Decorative (Hardwood)
Where is SOFTWOOD PLYWOOD commonly used?
- where strength is more important than appearance
- sheathing, roofing or floor underlayment in wood frame construction
Where is HARDWOOD PLYWOOD commonly used?
- where appearance is priority over strength
- mainly interior use
Which plywood class can be made with waterproof adhesive?
Softwood Plywood
Which plywood class isn’t made with waterproof glue ?
Hardwood Plywood
What is Overlay Plywood?
Used for signs and smooth concrete formwork
