Foundation & Subflooring Quiz Review

How many types of grading take place with all dimensional lumber?

• 1

• 2

• 3

• 4

The higher the grade of lumber, the more defects per square inch the lumber has.

• True

• False

Dimensional lumber is sold in _____ foot increments of length.

• 1

• 2

• 3

• 4

Wood hardness is measured by the ______ test.

• Mohs

• H Factor

• Density Grading

• Janka

As a rule of thumb, you should add about _____ percent to the amount of lumber needed for a project in order to account for waste.

• 5

• 8

• 10

• 12

When using power tools you should wear ________ at all times.

• a hard hat

• gloves

• steel-toed boots

• safety glasses

The number one tools you need when laying out a subfloor are a _____________ and _____________.

• hammer and nails

• saw and level

• tape measure and pencil

• speed square and carpenters square

You should use _________ lumber to ensure against rot or insects.

• soft pine

• fir

• number 2 grade

• pressure treated

Plywood decking is always installed ___________ to the joists.

• vertically

• perpendicular

• inline with

• at a 45 degree angle

The lowest portion of the framing is the _________.

• Mudsill

• Header

• Bridging Material

• Joist