ICC Residential Building Inspector Certification Actual Exam 2026 ||
Most Recent Exam 2026|2027 Actual Complete Real Exam Questions
And Correct Answers (Verified Answers) Already Graded A+ |
Guaranteed Success!! Newest Exam | Just Released!!
IRC Applicability -ANSWER-Applies to townhomes and regular houses
up to three stories. Structures exceeding this fall under the
International Building Code (IBC).
Clothes Dryer Duct -ANSWER-Maximum length is 35 feet.
Equivalent length for 90-degree elbow -ANSWER-5 feet.
Bathroom Ventilation -ANSWER-20 CFM (cubic feet per minute)
continuous or 50 CFM intermittent with a switch.
Galvanized Duct Thickness -ANSWER-Minimum 0.013 inches.
Duct Height (Above Dirt) -ANSWER-4 inches (unless protective features
are in place).
Furnace Air Temperature -ANSWER-Air blowing from a furnace can be
greater than 200°F.
,Fuel Storage Container (Basement) -ANSWER-Maximum 660 gallons.
If more than 10 gallons -ANSWER-Must be 5 feet away from any flame
source.
Vent must be -ANSWER-2 feet away from any opening (to the outside).
Appliance Location (Gas) -ANSWER-Cannot be located in sleeping
rooms.
Building Self-Vented (No Specific Vent/Outdoor Opening) -ANSWER-
Requires 50 cubic feet of volume per 1,000 BTU.
Combustion Air Opening Size (Top & Bottom) -ANSWER-1 square inch
per 1,000 BTU for each opening (effectively 2 square inches per 1,000
BTU for the room). Minimum 10x10 inch opening for top and bottom.
Metal Louvers (Free Air) -ANSWER-25% effective.
Piping Slope (Water/Freezing) -ANSWER-Minimum 1/4 inch slope per
15 feet.
Appliance Shut-off Valves (Gas) -ANSWER-Must be in the same room,
within 6 feet, and readily accessible.
, Iron Pipe Supports (Nominal 1 inch) -ANSWER-8-foot minimum support
distance.
Sauna Temperature -ANSWER-Magic number is 194°F.
Water Heater for Space Heating -ANSWER-Must use potable water.
Fuel-Fired Water Heaters -ANSWER-Not allowed in closets.
Hydronic Piping -ANSWER-Must be sleeved if going through masonry or
concrete.
Whirlpool Bathtub Access -ANSWER-12x12 inch opening to access the
pump. If the pump is more than 2 feet away, an 18x18 inch opening is
required.
Non-Potable Water Identification -ANSWER-Irrigation water not
potable needs to be identified (inferred: with a metal tag).
Gooseneck Faucet Air Gap -ANSWER-1 1/2 inches minimum.
Water Pressure -ANSWER-If above 80 PSI, a pressure reducer is
required.
Most Recent Exam 2026|2027 Actual Complete Real Exam Questions
And Correct Answers (Verified Answers) Already Graded A+ |
Guaranteed Success!! Newest Exam | Just Released!!
IRC Applicability -ANSWER-Applies to townhomes and regular houses
up to three stories. Structures exceeding this fall under the
International Building Code (IBC).
Clothes Dryer Duct -ANSWER-Maximum length is 35 feet.
Equivalent length for 90-degree elbow -ANSWER-5 feet.
Bathroom Ventilation -ANSWER-20 CFM (cubic feet per minute)
continuous or 50 CFM intermittent with a switch.
Galvanized Duct Thickness -ANSWER-Minimum 0.013 inches.
Duct Height (Above Dirt) -ANSWER-4 inches (unless protective features
are in place).
Furnace Air Temperature -ANSWER-Air blowing from a furnace can be
greater than 200°F.
,Fuel Storage Container (Basement) -ANSWER-Maximum 660 gallons.
If more than 10 gallons -ANSWER-Must be 5 feet away from any flame
source.
Vent must be -ANSWER-2 feet away from any opening (to the outside).
Appliance Location (Gas) -ANSWER-Cannot be located in sleeping
rooms.
Building Self-Vented (No Specific Vent/Outdoor Opening) -ANSWER-
Requires 50 cubic feet of volume per 1,000 BTU.
Combustion Air Opening Size (Top & Bottom) -ANSWER-1 square inch
per 1,000 BTU for each opening (effectively 2 square inches per 1,000
BTU for the room). Minimum 10x10 inch opening for top and bottom.
Metal Louvers (Free Air) -ANSWER-25% effective.
Piping Slope (Water/Freezing) -ANSWER-Minimum 1/4 inch slope per
15 feet.
Appliance Shut-off Valves (Gas) -ANSWER-Must be in the same room,
within 6 feet, and readily accessible.
, Iron Pipe Supports (Nominal 1 inch) -ANSWER-8-foot minimum support
distance.
Sauna Temperature -ANSWER-Magic number is 194°F.
Water Heater for Space Heating -ANSWER-Must use potable water.
Fuel-Fired Water Heaters -ANSWER-Not allowed in closets.
Hydronic Piping -ANSWER-Must be sleeved if going through masonry or
concrete.
Whirlpool Bathtub Access -ANSWER-12x12 inch opening to access the
pump. If the pump is more than 2 feet away, an 18x18 inch opening is
required.
Non-Potable Water Identification -ANSWER-Irrigation water not
potable needs to be identified (inferred: with a metal tag).
Gooseneck Faucet Air Gap -ANSWER-1 1/2 inches minimum.
Water Pressure -ANSWER-If above 80 PSI, a pressure reducer is
required.
