BC OWNER BUILDER EXAM REVIEW AND PREP EXAM 200 QUESTIONS
AND CORRECT ANSWERS 2026 LATEST EXAM TEST PERFECT FOR HIGH
GRADE ON BC OWNER BUILDER EXAM TEST
Order of inspections
- correct answer -1: forms, basement and crawlspace
2: Plumbing, dampproofing, foundation drainage , sanitary sewer, storm sewer, sump, water service
3: plumbing, electrical, mechanical, gas
4: framing inspection
5: insulation and vapour barrier
6: rainscreen/exterior finishs, drywall
7: building envelop inspection
8: final inspection
Which is not an acceptable method for determining the correct grading for a trench? - correct answer -
An experienced excavator says it's ok
At what depth is shoring required? - correct answer -1.2m/4ft
Which best describes the principle of rain waterterm-0 deflection? - correct answer -Design and
construction that prevents water from ever entering
What lighting safety certifications are required in Canada? - correct answer -CSA safety certification
What grit of sandpaper would get the smoothest result? - correct answer -Higher grit with get a
smoother finish
What is the maximum rise in a flight of stairs? - correct answer -The vertical height of any flight of stairs
should not exceed 3.7m
,What is the minimum distance that a ladder must extend above a parapet wall or landing? - correct
answer -3ft
What heights are end dams to be on windows and door flashings? - correct answer -25mm/1 inch
End dam use - correct answer -Stop water from coming in
When should you call for inspectors to make them efficient as possible? - correct answer -Group
inspectors together when possible and call when work is complete
When is an HRV required? - correct answer -Almost always
What can you build under the owner-builder HPO process? - correct answer -Single detached home
under a single title. Single dwelling attached to pre-existing building older than 10 years. Single dwelling
attached to a new non-residential building.
Who issues permits for a gas fireplace? - correct answer -Safety Authority (call Technical Safe BC)
Can an owner builder take out their own electrical permit? - correct answer -Yes, up to 200A
What is the best way to apply asphalt waterproofing on a foundation? - correct answer -Spray-on or roll
on dry foundation with 2in. below grade
When is the appropriate time to backfill a foundation? - correct answer -After damp-proofing
What do you need to do when applying a peel and stick waterproof membrane foundation? - correct
answer -Use an approved primer before installing
What are gas meter installation requirements? - correct answer -The distance from the gas vent to the
roof must be greater than the overhang of the roof, nothing can be with in 1m either side or 4.5m above
a gas meter
, When do you need to install a handrail or have fall protection? - correct answer -10ft, 4ft if no fall
protection
How high does a construction fence around a site need to be? - correct answer -6ft
When installing the footer, it was dug down 2in. deeper than what the elevation should be. What needs
to happen? - correct answer -Install the footing form at proper elevation and fill with extra concrete
When installing flashing for a roof valley how much do the asphalt shingles need to overlap? - correct
answer -6in.
What would cause a blister on a flat roof? - correct answer -Moisture trapped under roof
Water is backing up in a skylight, what do you do to fix it? - correct answer -Clear drainage
What needs to be done first when starting to install asphalt shingles on a roof? - correct answer -Install
eve protection
What kind of fastener can you use in a wood that has been treated with chromated copper arsenate? -
correct answer -Lumber manufacturer approved fastener
When should there be insulation under a basement slab? - correct answer -When there is in floor
heating
How deep should the control joint be in a concrete slab? - correct answer -1/4 of the slab
What kind of insulation should be installed under slab? - correct answer -XPS
What kind of insulation has the least moisture permeability? - correct answer -XPS
AND CORRECT ANSWERS 2026 LATEST EXAM TEST PERFECT FOR HIGH
GRADE ON BC OWNER BUILDER EXAM TEST
Order of inspections
- correct answer -1: forms, basement and crawlspace
2: Plumbing, dampproofing, foundation drainage , sanitary sewer, storm sewer, sump, water service
3: plumbing, electrical, mechanical, gas
4: framing inspection
5: insulation and vapour barrier
6: rainscreen/exterior finishs, drywall
7: building envelop inspection
8: final inspection
Which is not an acceptable method for determining the correct grading for a trench? - correct answer -
An experienced excavator says it's ok
At what depth is shoring required? - correct answer -1.2m/4ft
Which best describes the principle of rain waterterm-0 deflection? - correct answer -Design and
construction that prevents water from ever entering
What lighting safety certifications are required in Canada? - correct answer -CSA safety certification
What grit of sandpaper would get the smoothest result? - correct answer -Higher grit with get a
smoother finish
What is the maximum rise in a flight of stairs? - correct answer -The vertical height of any flight of stairs
should not exceed 3.7m
,What is the minimum distance that a ladder must extend above a parapet wall or landing? - correct
answer -3ft
What heights are end dams to be on windows and door flashings? - correct answer -25mm/1 inch
End dam use - correct answer -Stop water from coming in
When should you call for inspectors to make them efficient as possible? - correct answer -Group
inspectors together when possible and call when work is complete
When is an HRV required? - correct answer -Almost always
What can you build under the owner-builder HPO process? - correct answer -Single detached home
under a single title. Single dwelling attached to pre-existing building older than 10 years. Single dwelling
attached to a new non-residential building.
Who issues permits for a gas fireplace? - correct answer -Safety Authority (call Technical Safe BC)
Can an owner builder take out their own electrical permit? - correct answer -Yes, up to 200A
What is the best way to apply asphalt waterproofing on a foundation? - correct answer -Spray-on or roll
on dry foundation with 2in. below grade
When is the appropriate time to backfill a foundation? - correct answer -After damp-proofing
What do you need to do when applying a peel and stick waterproof membrane foundation? - correct
answer -Use an approved primer before installing
What are gas meter installation requirements? - correct answer -The distance from the gas vent to the
roof must be greater than the overhang of the roof, nothing can be with in 1m either side or 4.5m above
a gas meter
, When do you need to install a handrail or have fall protection? - correct answer -10ft, 4ft if no fall
protection
How high does a construction fence around a site need to be? - correct answer -6ft
When installing the footer, it was dug down 2in. deeper than what the elevation should be. What needs
to happen? - correct answer -Install the footing form at proper elevation and fill with extra concrete
When installing flashing for a roof valley how much do the asphalt shingles need to overlap? - correct
answer -6in.
What would cause a blister on a flat roof? - correct answer -Moisture trapped under roof
Water is backing up in a skylight, what do you do to fix it? - correct answer -Clear drainage
What needs to be done first when starting to install asphalt shingles on a roof? - correct answer -Install
eve protection
What kind of fastener can you use in a wood that has been treated with chromated copper arsenate? -
correct answer -Lumber manufacturer approved fastener
When should there be insulation under a basement slab? - correct answer -When there is in floor
heating
How deep should the control joint be in a concrete slab? - correct answer -1/4 of the slab
What kind of insulation should be installed under slab? - correct answer -XPS
What kind of insulation has the least moisture permeability? - correct answer -XPS
