BC Owner Builder Question and Answer
[2026] | UPDATED ACTUAL Exam | Final
Review
• Which best describes the design principle of rain water deflection? -✓✓ Design
and construction that prevents water from ever entering
• What is the required light certification? -✓✓ CSA Authorized
• What grit of sandpaper would get smoothest result -✓✓ 600
• What is the maximum rise in a flight of stairs? -✓✓ 3.7m
• What is the minimum distance that a ladder must extend above a parapet wall or
landing? -✓✓ 3ft
• What heights are end dams on window /door flashings? -✓✓ 25mm/1inch
• When do you request an inspection? -✓✓ Once work is complete
• How do you increase inspection efficiency? -✓✓ Group Inspections as closely
together as possible
• When is an HRV (Heat Recovery Ventilator) required? -✓✓ Almost always
,• Which of the following is not allowed under the HPO owner-builder program? -
✓✓ New dwelling unit attached to building less than 10 years old
• Who issues permits for a gas fireplace? -✓✓ Technical Safety BC
• Maximum electrical permit for an owner builder? -✓✓ 200 amp
• What is the best practice to apply asphalt waterproofing on a foundation? -✓✓
Spray-on or roll on dry foundation with 2inch (max) below grade
• What do you need when applying a peel/stick waterproof membrane foundation?
-✓✓ Apply an approved primer prior to installation
• The distance from a gas vent to the roof must be? -✓✓ Greater than the overhang
of the roof
• How high does a construction fence around a site need to be? -✓✓ 6ft
• When do you need to install a handrail or wear fall protection? -✓✓ 10 ft. above
grade
• When installing the footer, it was dug down 2 inches deeper then what the
elevation should be. What needs to happen? -✓✓ 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 it? -✓✓ 6in
, • What would cause a blister on a flat roof? -✓✓ Moisture trapped under the roof
• Water is backing up in a skylight what do you do to fix it? -✓✓ Clear drainage
• What needs to be done first when starting to install asphalt shingles on a roof? -
✓✓ Install eve protection
• What kind of fastener can you use in a wood that had been treated with
chromated copper arsenate (pressure treated)? -✓✓ Lumber manufacturer approved
fastener
• When should there be insulation under a basement slab? -✓✓ When there is
heating or above frost line
• How deep should the control joint be in a concrete slab? -✓✓ 1/4 of the slab
• What kind of insulation should be installed under the slab? -✓✓ XPS extruded
poly styrene
• When framing a header of a staircase, the framer needs to know the nailing
pattern. Where does he get it? -✓✓ Use the BC code section 9 nailing pattern for
the header
• What document must the owner submit to WorkSafe BC prior to starting
construction? -✓✓ Notice of project
[2026] | UPDATED ACTUAL Exam | Final
Review
• Which best describes the design principle of rain water deflection? -✓✓ Design
and construction that prevents water from ever entering
• What is the required light certification? -✓✓ CSA Authorized
• What grit of sandpaper would get smoothest result -✓✓ 600
• What is the maximum rise in a flight of stairs? -✓✓ 3.7m
• What is the minimum distance that a ladder must extend above a parapet wall or
landing? -✓✓ 3ft
• What heights are end dams on window /door flashings? -✓✓ 25mm/1inch
• When do you request an inspection? -✓✓ Once work is complete
• How do you increase inspection efficiency? -✓✓ Group Inspections as closely
together as possible
• When is an HRV (Heat Recovery Ventilator) required? -✓✓ Almost always
,• Which of the following is not allowed under the HPO owner-builder program? -
✓✓ New dwelling unit attached to building less than 10 years old
• Who issues permits for a gas fireplace? -✓✓ Technical Safety BC
• Maximum electrical permit for an owner builder? -✓✓ 200 amp
• What is the best practice to apply asphalt waterproofing on a foundation? -✓✓
Spray-on or roll on dry foundation with 2inch (max) below grade
• What do you need when applying a peel/stick waterproof membrane foundation?
-✓✓ Apply an approved primer prior to installation
• The distance from a gas vent to the roof must be? -✓✓ Greater than the overhang
of the roof
• How high does a construction fence around a site need to be? -✓✓ 6ft
• When do you need to install a handrail or wear fall protection? -✓✓ 10 ft. above
grade
• When installing the footer, it was dug down 2 inches deeper then what the
elevation should be. What needs to happen? -✓✓ 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 it? -✓✓ 6in
, • What would cause a blister on a flat roof? -✓✓ Moisture trapped under the roof
• Water is backing up in a skylight what do you do to fix it? -✓✓ Clear drainage
• What needs to be done first when starting to install asphalt shingles on a roof? -
✓✓ Install eve protection
• What kind of fastener can you use in a wood that had been treated with
chromated copper arsenate (pressure treated)? -✓✓ Lumber manufacturer approved
fastener
• When should there be insulation under a basement slab? -✓✓ When there is
heating or above frost line
• How deep should the control joint be in a concrete slab? -✓✓ 1/4 of the slab
• What kind of insulation should be installed under the slab? -✓✓ XPS extruded
poly styrene
• When framing a header of a staircase, the framer needs to know the nailing
pattern. Where does he get it? -✓✓ Use the BC code section 9 nailing pattern for
the header
• What document must the owner submit to WorkSafe BC prior to starting
construction? -✓✓ Notice of project
