Lumber
What does a 2x4 describe?
Nominal Lumber Size
What does OSB stand for?
Oriented Strand Board
Which fastener has threads: Nails or Screws
Screws
What tool is commonly used to drive a nail?
Hammer
You need to cut a 2x4. Name one tool you could use.
Circular Saw or Miter Saw
What is the actual size of a 2x4?
1 1/2 x 3 1/2
Name one common sheet material used for wall or roof sheathing
OSB or plywood
Which generally proves greater holding power: a nail or a screw?
Screw
What fasteners is commonly used with a nut?
Bolt
A screw head is stripping. What should you Check first?
Correct driver/bit size and/or type
What does SYP stand for?
Southern Yellow Pine
A standard sheet of plywood is what size?
4x8
Why are galvanized fasteners used outdoors?
What is placed under a nut to spread the load over a larger area?
Washer
You’re framing a wall. Would you normally choose finish nails or framing nails?
framing nails
What lumber defect is a curve along the length of a board?
Bow
Which is made from thin layers of wood glued together: PLYWOOD or OSB?
Plywood
What type of nail has a small head designed to be less visible in finished work?
Finish nail
What fasteners can be installed into concrete/masonry to provide an attachment point?
Masonry/Concrete anchor
You’re installing exterior material where moisture is present. What type of fastener should you consider?
Corrosion resistant/galvanized fasteners
What is the difference between nominal and actual lumber dimensions?
Nominal is the name/designated size; Actual is the finished measured size.
Why should panel edges normally land on framing/support?
To provide proper support and a fastening surface
Give one reason nails may be preferred over screws in some framing applications.
Nails can tolerate shear/bending and are fast to install
What determines the correct fastener for a construction job?
Material, load/application, environment and manufacturer/code requirements.
You have a 2x4 that is badly warped. Use it in an important straight wall or replace it? Explain.
Replace or select a straighter board because warped lumber can affect alignment and finish.