Residential Contractor Practice
Exam – 2025 Study Guide &
Test Prep real exam
What is the MINIMUM overlap for joints in polyethylene film moisture barrier applied over the exterior
of a below grade foundation wall? - ANSWER ✔---6 inches
What is the MINIMUM height required for a nonabsorbent wall surface above a bathtub? -
ANSWER ✔---6 feet
Nails used to fasten concrete roofing tiles must penetrate the deck a MINIMUM of how many inches or
through the thickness of the deck, Whichever is less? - ANSWER ✔---3/4 inch
How must rafters be framed to each other? - ANSWER ✔---with a gusset plate
All of the following are benefits of platform construction as compared to balloon construction EXCEPT. -
ANSWER ✔---easier installation of plumbing and wiring
Exam – 2025 Study Guide &
Test Prep real exam
What is the MINIMUM overlap for joints in polyethylene film moisture barrier applied over the exterior
of a below grade foundation wall? - ANSWER ✔---6 inches
What is the MINIMUM height required for a nonabsorbent wall surface above a bathtub? -
ANSWER ✔---6 feet
Nails used to fasten concrete roofing tiles must penetrate the deck a MINIMUM of how many inches or
through the thickness of the deck, Whichever is less? - ANSWER ✔---3/4 inch
How must rafters be framed to each other? - ANSWER ✔---with a gusset plate
All of the following are benefits of platform construction as compared to balloon construction EXCEPT. -
ANSWER ✔---easier installation of plumbing and wiring