National Home Inspector Examination
Question and answers rated A+
2025/2026
A poured concrete retaining wall with weep holes is rotating. What is the most likely reason for the
rotation? - correct answer ✔There is no gravel behind the wall.
A poured concrete basement wall has a 1/4" wide crack where the wall is bowing slightly. Brown stains
are below the crack. What is the most likely reason for this condition? - correct answer ✔The gutters
are blocked.
A concrete block basement wall has significant efflorescence. What is the most likely reason for this
condition? - correct answer ✔The soil has settled at the foundation.
A concrete driveway is 1/2" higher than the adjacent concrete walkway. What is the most likely reason
for this condition? - correct answer ✔The soil under the walkway was not compacted.
Which is the most acceptable fastener for connecting a deck ledger to a band board? - correct answer
✔A 1/2" diameter hot-dipped galvanized steel machine bolt.
A movement joint should be installed in brick veneer: - correct answer ✔At support by different
structural components.
Adhered masonry veneer is installed in the same manner as: - correct answer ✔Stucco
Which roof covering is most appropriate for a roof with a slope of 1 1/2:12 above a single family house?
Assume standar installation of any required underlayment. - correct answer ✔Modified Bitumen
, What is the most appropriate fastener material for a slate shingle roof covering? - correct answer
✔Copper nails
A scupper would most likely be located in: - correct answer ✔A parapet wall.
A sidewall extends past a roof. Hardboard siding is water damaged a few inches beyond where the roof
and sidewall meet. The roof covering is asphalt strip shingles. What is the most likely cause of this
condition? - correct answer ✔Kick out flashing was not installed.
A 1/2" wide gap exist between the drywall wall and ceiling. The seller reports that this gap opens in the
winter and closes in the summer. What is the most likely cause of this condition? - correct answer
✔Truss uplift.
A collar tie would most likely be found in: - correct answer ✔The upper part of an attic.
A concrete basement wall has a crack that varies in width between 3/8 inch at the floor to 1/8 inch 2
feet down from the wall top. What is the most likely cause of this condition? - correct answer ✔The soil
is unstable under the footing.
A notch in a 12' long 2x10 floor joist is located 5 feet from the joist end. What is the MAXIMUM allowed
notch depth? - correct answer ✔0 inches.
Racking is most likely to occur from failure to install: - correct answer ✔Wall bracing
You see a ceramic tile floor with numerous cracks running through the grout and the tiles. The floor
system is constructed using 2x10 floor joists. Which is the most likely cause of this condition? - correct
answer ✔The floor joist span is too long.
You see uniform width cracks at both upper corners of all windows along one top story wall. Which is
the most likely cause of this condition? - correct answer ✔The wall is improperly braced.
Question and answers rated A+
2025/2026
A poured concrete retaining wall with weep holes is rotating. What is the most likely reason for the
rotation? - correct answer ✔There is no gravel behind the wall.
A poured concrete basement wall has a 1/4" wide crack where the wall is bowing slightly. Brown stains
are below the crack. What is the most likely reason for this condition? - correct answer ✔The gutters
are blocked.
A concrete block basement wall has significant efflorescence. What is the most likely reason for this
condition? - correct answer ✔The soil has settled at the foundation.
A concrete driveway is 1/2" higher than the adjacent concrete walkway. What is the most likely reason
for this condition? - correct answer ✔The soil under the walkway was not compacted.
Which is the most acceptable fastener for connecting a deck ledger to a band board? - correct answer
✔A 1/2" diameter hot-dipped galvanized steel machine bolt.
A movement joint should be installed in brick veneer: - correct answer ✔At support by different
structural components.
Adhered masonry veneer is installed in the same manner as: - correct answer ✔Stucco
Which roof covering is most appropriate for a roof with a slope of 1 1/2:12 above a single family house?
Assume standar installation of any required underlayment. - correct answer ✔Modified Bitumen
, What is the most appropriate fastener material for a slate shingle roof covering? - correct answer
✔Copper nails
A scupper would most likely be located in: - correct answer ✔A parapet wall.
A sidewall extends past a roof. Hardboard siding is water damaged a few inches beyond where the roof
and sidewall meet. The roof covering is asphalt strip shingles. What is the most likely cause of this
condition? - correct answer ✔Kick out flashing was not installed.
A 1/2" wide gap exist between the drywall wall and ceiling. The seller reports that this gap opens in the
winter and closes in the summer. What is the most likely cause of this condition? - correct answer
✔Truss uplift.
A collar tie would most likely be found in: - correct answer ✔The upper part of an attic.
A concrete basement wall has a crack that varies in width between 3/8 inch at the floor to 1/8 inch 2
feet down from the wall top. What is the most likely cause of this condition? - correct answer ✔The soil
is unstable under the footing.
A notch in a 12' long 2x10 floor joist is located 5 feet from the joist end. What is the MAXIMUM allowed
notch depth? - correct answer ✔0 inches.
Racking is most likely to occur from failure to install: - correct answer ✔Wall bracing
You see a ceramic tile floor with numerous cracks running through the grout and the tiles. The floor
system is constructed using 2x10 floor joists. Which is the most likely cause of this condition? - correct
answer ✔The floor joist span is too long.
You see uniform width cracks at both upper corners of all windows along one top story wall. Which is
the most likely cause of this condition? - correct answer ✔The wall is improperly braced.
