NHIE Fireplaces, Chimneys and Solid-Fuel Burning Appliances 5

Question 1

What is the typical minimum clearance for combustible mantels and trim from the fireplace opening?

Accepted Answer

Per code, combustible material within 6 inches of the opening is prohibited, with projections limited at greater distances

Answer

Combustibles may not be within 6 inches of the opening, and projecting trim is limited by distance from the opening.

Question 2

Which chimney type is designed for solid-fuel appliances and rated to withstand chimney fires?

Accepted Answer

Class A (all-fuel) chimney

Answer

Class A, or all-fuel, chimneys are listed to handle high temperatures and chimney fires.

Question 3

A pellet stove is typically vented using what?

Accepted Answer

Special pellet vent approved for the appliance

Answer

Pellet stoves use listed pellet vent pipe, usually with a fan-forced exhaust and sealed joints.

Question 4

Why is a sloped, inadequately sealed flashing at the chimney-roof junction a concern?

Accepted Answer

It allows water intrusion into the structure

Answer

Failed chimney flashing is a common source of roof leaks and hidden water damage.

Question 5

What is the primary purpose of a hearth in front of a fireplace?

Accepted Answer

Protect the combustible floor from sparks and embers

Answer

A noncombustible hearth extension protects combustible flooring from falling embers and radiant heat.

(NHIE) National Home Inspector Examination Practice Test