BC OWNER BUILDER Exam Questions
With 100% Correct Answers A+ Latest
Update 2025
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
When framing a header of a staircase where does the framer get the
nailing pattern? - CORRECT-ANSWER-Use the BC code section 9 nailing
pattern
What document must the owner submit to WorkSafe BC prior to
starting construction? - CORRECT-ANSWER-Notice of project
,What is the nailing/screw pattern for backer board? - CORRECT-
ANSWER-Manufacturer approved pattern
When installing a bi-fold door the door bings at the side jamb on the
top. What can be done to fix this? - CORRECT-ANSWER-Adjust the top
pivot point
What should be done when joist and beams have contact with bare
concrete walls? - CORRECT-ANSWER-Use pressure treated wood and
leave 12mm air space
What is the minimum depth for a beam support? - CORRECT-ANSWER-
Not less than 89mm
When is a footing required? - CORRECT-ANSWER-Under walls, pilasters,
columns, piers, fireplaces and chimneys that bear on soil or rock
, When is a footing inspection conducted? - CORRECT-ANSWER-When
the forms and steel reinforcing are complete, but prior to placing any
concrete
What is the moisture permeability of 6mm poly? - CORRECT-ANSWER-
0.03 US perm or 1.7 ng
When can WorkSafe BC come to your construction site? - CORRECT-
ANSWER-Anytime
What is the maximum moisture percentage you can have in framing
lumber? - CORRECT-ANSWER-19%
What is your liability for you subcontractor on your site? - CORRECT-
ANSWER-You must abide by the Workers Compensation Act and obtain
a clearance letter from each contractor to ensure they are in good
standing with WorkSafe BC
With 100% Correct Answers A+ Latest
Update 2025
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
When framing a header of a staircase where does the framer get the
nailing pattern? - CORRECT-ANSWER-Use the BC code section 9 nailing
pattern
What document must the owner submit to WorkSafe BC prior to
starting construction? - CORRECT-ANSWER-Notice of project
,What is the nailing/screw pattern for backer board? - CORRECT-
ANSWER-Manufacturer approved pattern
When installing a bi-fold door the door bings at the side jamb on the
top. What can be done to fix this? - CORRECT-ANSWER-Adjust the top
pivot point
What should be done when joist and beams have contact with bare
concrete walls? - CORRECT-ANSWER-Use pressure treated wood and
leave 12mm air space
What is the minimum depth for a beam support? - CORRECT-ANSWER-
Not less than 89mm
When is a footing required? - CORRECT-ANSWER-Under walls, pilasters,
columns, piers, fireplaces and chimneys that bear on soil or rock
, When is a footing inspection conducted? - CORRECT-ANSWER-When
the forms and steel reinforcing are complete, but prior to placing any
concrete
What is the moisture permeability of 6mm poly? - CORRECT-ANSWER-
0.03 US perm or 1.7 ng
When can WorkSafe BC come to your construction site? - CORRECT-
ANSWER-Anytime
What is the maximum moisture percentage you can have in framing
lumber? - CORRECT-ANSWER-19%
What is your liability for you subcontractor on your site? - CORRECT-
ANSWER-You must abide by the Workers Compensation Act and obtain
a clearance letter from each contractor to ensure they are in good
standing with WorkSafe BC
