Professional Home Inspector Exam NHIE / TREC
Questions And Answers 2025\2026
The inspector is not required to determine ____ ___ of any system or
component. - CORRECT ANSWER--Years of age
-Life expectancy
-Make model
Horizontal waste pipe should slope ____ inch per foot - CORRECT
ANSWER-1/4" per foot if < 3 inch pipe.
1/8" per foot if > or = to 3 inch pipe
Drip screed - CORRECT ANSWER-Also called weep screed.
Used at the base/bottom of stucco walls to release moisture.
Pressure Vacuum Breaker (PVB) - CORRECT ANSWER-Used for Backflow
Prevention.
Lawn Irrigation systems: installed vertically 6 to 12 inches above highest
outlet/emitter and before the irrigation system valves.
,Lintel - CORRECT ANSWER-L shaped steel installed to support brick
veneer above openings such as windows and doors.
Should bear on 6 inches or greater of the supporting veneer.
Rusted lintels may expand and cause cracks around openings.
Guardrail for decks and patios - CORRECT ANSWER-A deck 30" above
grade requires a guardrail.
Required if deck is > or = to 30 inches above grade.
Balusters and openings should not exceed 4 inches in diameter.
Rail height must be > or = to 36 inches from deck.
Minimum overlap on vertically installed fiber cement siding - CORRECT
ANSWER-1 1/4 inches overlap, and blind nailing recommended
Distance required between wall cladding and roof covering materials? -
CORRECT ANSWER-1" to 2" (1 inch minimum, some local code is 2")
What is the concern with a Double sided key lock deadbolt - CORRECT
ANSWER-All means of egress (escape), must be operable from the
inside without special knowledge or tools. A keyed lock is a danger.
Fiberglass shingle roof that is 5 years old is losing granular and cupping.
Attic insulation and venting is adequate. What is the most reasonable
,explanation? - CORRECT ANSWER-Improper installation. Sealing strip or
nailing was not done properly.
What is the last part to fail in a slate roof system? - CORRECT ANSWER-
The slate itself. Flashings eventually wear out, but long before the slate.
Metal roof has minor rust in spots. What is the corrective action? -
CORRECT ANSWER-Removing the rust, priming and painting.
What type of flashing is found on a gable edge? - CORRECT ANSWER-
Rake edge or edge flashing. A gable Edge is called a rake.
Which construction framing provides fire blocking? - CORRECT
ANSWER-a platform-framed structure
The Bottom chords of trusses were cut to fit other construction. What is
the recommendation? - CORRECT ANSWER-Recommend a structural
engineer .
What purpose does a barometric damper serve? - CORRECT ANSWER-To
control the draft
, Water is dripping from discharge piping coming from a hydronic heating
system. What is most likely the cause? - CORRECT ANSWER-A leak
Masonry Chimney is required to be _____ inches from wood framing in
the attic? - CORRECT ANSWER-2"
When new insulation is placed directly over old in the attic, what is the
correct way to place / handle Kraft paper on new insulation? - CORRECT
ANSWER-Score or remove the vapor paper
What two structural components would be tied together with hurricane
ties? - CORRECT ANSWER-Truss/rafter to the top of walls
What type of piping is used for a pool circulation system? - CORRECT
ANSWER-Schedule 40 PVC
Does the main water supply shutoff have to be above grade, below
grade, or accessible? - CORRECT ANSWER-Accessible ?
Distance between interior electrical receptacles? - CORRECT ANSWER-
12'
Questions And Answers 2025\2026
The inspector is not required to determine ____ ___ of any system or
component. - CORRECT ANSWER--Years of age
-Life expectancy
-Make model
Horizontal waste pipe should slope ____ inch per foot - CORRECT
ANSWER-1/4" per foot if < 3 inch pipe.
1/8" per foot if > or = to 3 inch pipe
Drip screed - CORRECT ANSWER-Also called weep screed.
Used at the base/bottom of stucco walls to release moisture.
Pressure Vacuum Breaker (PVB) - CORRECT ANSWER-Used for Backflow
Prevention.
Lawn Irrigation systems: installed vertically 6 to 12 inches above highest
outlet/emitter and before the irrigation system valves.
,Lintel - CORRECT ANSWER-L shaped steel installed to support brick
veneer above openings such as windows and doors.
Should bear on 6 inches or greater of the supporting veneer.
Rusted lintels may expand and cause cracks around openings.
Guardrail for decks and patios - CORRECT ANSWER-A deck 30" above
grade requires a guardrail.
Required if deck is > or = to 30 inches above grade.
Balusters and openings should not exceed 4 inches in diameter.
Rail height must be > or = to 36 inches from deck.
Minimum overlap on vertically installed fiber cement siding - CORRECT
ANSWER-1 1/4 inches overlap, and blind nailing recommended
Distance required between wall cladding and roof covering materials? -
CORRECT ANSWER-1" to 2" (1 inch minimum, some local code is 2")
What is the concern with a Double sided key lock deadbolt - CORRECT
ANSWER-All means of egress (escape), must be operable from the
inside without special knowledge or tools. A keyed lock is a danger.
Fiberglass shingle roof that is 5 years old is losing granular and cupping.
Attic insulation and venting is adequate. What is the most reasonable
,explanation? - CORRECT ANSWER-Improper installation. Sealing strip or
nailing was not done properly.
What is the last part to fail in a slate roof system? - CORRECT ANSWER-
The slate itself. Flashings eventually wear out, but long before the slate.
Metal roof has minor rust in spots. What is the corrective action? -
CORRECT ANSWER-Removing the rust, priming and painting.
What type of flashing is found on a gable edge? - CORRECT ANSWER-
Rake edge or edge flashing. A gable Edge is called a rake.
Which construction framing provides fire blocking? - CORRECT
ANSWER-a platform-framed structure
The Bottom chords of trusses were cut to fit other construction. What is
the recommendation? - CORRECT ANSWER-Recommend a structural
engineer .
What purpose does a barometric damper serve? - CORRECT ANSWER-To
control the draft
, Water is dripping from discharge piping coming from a hydronic heating
system. What is most likely the cause? - CORRECT ANSWER-A leak
Masonry Chimney is required to be _____ inches from wood framing in
the attic? - CORRECT ANSWER-2"
When new insulation is placed directly over old in the attic, what is the
correct way to place / handle Kraft paper on new insulation? - CORRECT
ANSWER-Score or remove the vapor paper
What two structural components would be tied together with hurricane
ties? - CORRECT ANSWER-Truss/rafter to the top of walls
What type of piping is used for a pool circulation system? - CORRECT
ANSWER-Schedule 40 PVC
Does the main water supply shutoff have to be above grade, below
grade, or accessible? - CORRECT ANSWER-Accessible ?
Distance between interior electrical receptacles? - CORRECT ANSWER-
12'
