When Calculating the RSI of a wall which layer/s is often forgotten?

• outside/inside air film
• RIS Parallel
• PVB/air barrier
• exterior sheeting

What division is concrete in?

• Division 05
• Division 09
• Division 7
• Division 03

What is backing?

• A portion of molding
• A piece that is placed behind a wedge
• A spacer
• Wood used behid finishes.

What is the percentage of mositure content in seasoned piece of lumber?

• 13% or less
• 25% or less
• 19% or less
• 12% or less

A higher moisture content is needed for nonstructural lumber use.

• True
• False

What is an example of a class 2 vapor retarder?

• Extruded polystyrene
• Polyethylene
• Nonperforated aluminum foil
• Building Paper

Sheet Membrane are overlapped ________mm to form a waterproof joint

• 120mm
• 100mm
• 110mm
• 80mm

What is the RSI converstion constant to convert to an R-Value?

• 6.789
• 4.567
• 5.678
• 8.769

Which component is NOT a part of a concrete mix?

• Aggregate
• Water
• Sodium Chloride
• Portland Cement

Isolation joints are required between the concrete slab on groud and the structural members.

• True
• False