Flooring and Framing Quiz

What is the primary function of a subfloor in flooring assembly?

• To provide aesthetic appeal

• To support and distribute the weight of flooring and occupants

• To act as an insulation layer

• To cover gaps in the framing

Which term describes a horizontal structural element that supports flooring?

• Beam

• Joist

• Rafter

• Stud

What type of wood is commonly used for floor joists due to its strength and cost-effectiveness?

• Cedar

• Southern Yellow Pine

• Mahogany

• Walnut

What does the term “OSB” stand for in construction materials?

• Oriented Strand Board

• Outer Structural Base

• Oversized Subflooring Board

• Original Surface Board

What marking on lumber indicates it has been graded for structural use?

• Knot density

• Stamp showing grade and species

• Painted ends

• Manufacturer's logo

Which type of fastener is most commonly used to attach subflooring to joists?

• Screws

• Staples

• Nails

• Bolts

What is the role of bridging or blocking between floor joists?

• To support wall studs

• To prevent joists from twisting and add stability

• To hold subflooring in place

• To act as insulation

What is the main characteristic of engineered hardwood flooring?

• Made entirely from solid wood

• Constructed with a plywood base and hardwood veneer

• Resistant to all water damage

• Cheaper than laminate flooring

Which of the following is a common framing technique for walls?

• Tongue and groove

• Balloon framing

• Subfloor sheathing

• Concrete slab

Which wood grade is most suitable for structural framing?

• Select Grade

• Common Grade

• No. 2 or better

• Finish Grade