CTM 3 Foundation and Structural Support Quiz

The purpose of footings and foundation walls is (a)  

• To provide load-bearing support for
• To decorate the house
• To increase the height of the build
• To add color to the foundation

What material is commonly used for foundation insulation in colder environments?

• Rigid foam insulation or spray foam

• Cotton insulation

• Wooden planks

• Metal sheets

What is the purpose of a vapor barrier on the crawl space floor?

• To prevent moisture migration from the ground

• To add color to the floor

• To make the floor slippery

• To increase the height of the crawl space

What do girder beams provide support for?

• Joists and transfer the load to the foundation walls and piers

• The roof

• The windows

• The doors

What is the purpose of concrete or steel piers in a crawl space?

• To provide support for girders at intermediate points

• To decorate the crawl space

• To increase the height of the crawl space

• To add color to the foundation

Match the following materials with their typical use in floor joists.

• Commonly used material for floor joists in residential construction

• Glass panels

• Material not typically used for structural floor joists

• Metal rods

• Material used for reinforcement but not as primary floor joists

• Plastic

• Material not used for floor joists due to brittleness

• 2x10 or 2x12 dimensional lumber or engineered I-joists

Match the following purposes with their corresponding subfloor sheathing functions.

• Reduces friction for easier movement

• To make the floor slippery

• Raises the overall level of the floor

• To increase the height of the floor

• Enhances aesthetic appeal with color

• To provide a solid surface to attach the finished flooring

• Ensures stability and support for the finished floor

• To add color to the floor

What is used to prevent squeaks in subfloor sheathing?

• Nails or screws and glue

• Tape

• Staples

• Magnets

Match the following purposes with their descriptions.

• Purpose of painting the crawl space

• To add color to the crawl space

• Purpose of crawl space ventilation

• To allow air circulation and prevent moisture buildup

• Purpose of applying lubricant to the crawl space

• To increase the height of the crawl space

• Purpose of raising the crawl space ceiling

• To make the crawl space slippery

What is the minimum thickness of a polyethylene vapor barrier?

• 6 mil

• 2 mil

• 10 mil

• 15 mil