Home Inspector Test Home Inspector Insulation and Ventilation 2

Question 1

A home inspector observes dark staining on attic rafters and sheathing with no visible roof leaks. What is the most likely cause?

Accepted Answer

Inadequate attic ventilation causing condensation

Answer

Roof sheathing aging

Answer

Insect activity

Answer

UV degradation

Question 2

What does 'thermal bridging' refer to in the context of building insulation?

Accepted Answer

Heat transfer through a conductive structural element bypassing insulation

Answer

A bridge connecting two insulated walls

Answer

The transfer of heat via radiant energy

Answer

Air movement between insulated cavities

Question 3

What is the correct installation orientation for kraft-faced fiberglass batt insulation in an exterior wall?

Accepted Answer

Kraft facing toward the interior (warm-in-winter side)

Answer

Kraft facing toward the exterior

Answer

Kraft facing can face either direction

Answer

Kraft facing should be removed before installation

Question 4

Which of the following is a sign that bathroom exhaust fans are NOT properly vented?

Accepted Answer

Moisture staining or mold near the fan or in the attic above

Answer

Fan runs loudly

Answer

Fan has a backdraft damper

Answer

Fan is ENERGY STAR rated

Question 5

A home inspector notes missing insulation baffles at the eaves. Why is this a deficiency?

Accepted Answer

Without baffles, insulation can block soffit vents and restrict ventilation

Answer

Baffles are cosmetic only and not required

Answer

Baffles improve R-value directly

Answer

Baffles are only required in new construction

Question 6

What type of insulation is typically required to be covered with a thermal barrier (such as drywall) when installed in living spaces?

Accepted Answer

Spray polyurethane foam (SPF)

Answer

Fiberglass batt

Answer

Mineral wool batt

Answer

Rigid mineral wool board

A home inspector observes dark staining on attic rafters and sheathing with no visible roof leaks.What is the most likely cause?