OWNER BUILDER EXAM 2026 NEWEST EXAM
PREP |COMPLETE QUESTIONS AND CORRECT
ANSWERS WITH RATIONALES | ALREADY
GRADED A+| |BRAND NEW VERSION!!
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 wood)?
Lumber manufacturer approved fastener
When should there be insulation under a basement slab?
When there is in-floor heating or above the frost line
How deep should the control joint be in a concrete slab?
1/4 of the slab
What can be done to eliminate differential shrinkage?
Control joints
,How can you apply a control joint in concrete without a plastic tool
something etc?
Saw cut
What kind of insulation should be installed under slab?
XPS
Kind of insulation types has the least moisture permeability?
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
When framing an engineered flooring system for a residential house,
what information is required to fasten the two double joists
carrying the stair headers?
Check the specs on the manufacturer's drawings and fasten accordingly
What document must the owner submit to WorkSafe BC prior to starting
construction?
Notice of Project
,What is the nailing/screw pattern for backer board?
Manufacturer approved pattern
When installing a bi-fold door, the door binds at the side jamb on the
top what can be done?
Adjust the top pivot point
What should be done when joist and beams have contact with bare
concrete wall?
Use pressure treated wood and leave 12 mm air space
Protection for joists and beams that touch concrete?
Pressure treated wood, air space or poly barrier
What is the minimum depth for a beam support? (beam pocket in
foundation wall)
Not less than 89mm, 3-inch
When is a footing needed?
Footings shall be provided under walls, pilasters, columns, piers,
fireplaces and chimneys that bear on soil or rock, whereas footings may
be omitted under piers and monolithic concrete walls if the safe
loadbearing capacity is not exceeded
When is a footing inspection conducted?
When the forms and steel reinforcing, if used, for the footings are
complete but prior to placing any concrete
, When fitting a casement window, the window will not close all the way
what do you do?
Ensure casement is plump and square
Sash hinged windows are called what?
Casement
What is the moisture permeability of 6mil poly?
0.03 US perm (1.7 SI perm) or 1.7 ng
New fire places come with an air box around the fire box what is it for?
they are referring to the air heating chamber, where cold air is drawn in
near the bottom (interior) of the fireplace, circulates around
the firebox, and then are vented out the top. Sometimes there is a
blower installed to control the airflow. This provides more controlled
distribution of heat.
When can BC Work Safe authority come to your construction site?
Anytime
The moisture content of framing lumber at the time of installation must
not exceed what percentage?
19 %
PREP |COMPLETE QUESTIONS AND CORRECT
ANSWERS WITH RATIONALES | ALREADY
GRADED A+| |BRAND NEW VERSION!!
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 wood)?
Lumber manufacturer approved fastener
When should there be insulation under a basement slab?
When there is in-floor heating or above the frost line
How deep should the control joint be in a concrete slab?
1/4 of the slab
What can be done to eliminate differential shrinkage?
Control joints
,How can you apply a control joint in concrete without a plastic tool
something etc?
Saw cut
What kind of insulation should be installed under slab?
XPS
Kind of insulation types has the least moisture permeability?
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
When framing an engineered flooring system for a residential house,
what information is required to fasten the two double joists
carrying the stair headers?
Check the specs on the manufacturer's drawings and fasten accordingly
What document must the owner submit to WorkSafe BC prior to starting
construction?
Notice of Project
,What is the nailing/screw pattern for backer board?
Manufacturer approved pattern
When installing a bi-fold door, the door binds at the side jamb on the
top what can be done?
Adjust the top pivot point
What should be done when joist and beams have contact with bare
concrete wall?
Use pressure treated wood and leave 12 mm air space
Protection for joists and beams that touch concrete?
Pressure treated wood, air space or poly barrier
What is the minimum depth for a beam support? (beam pocket in
foundation wall)
Not less than 89mm, 3-inch
When is a footing needed?
Footings shall be provided under walls, pilasters, columns, piers,
fireplaces and chimneys that bear on soil or rock, whereas footings may
be omitted under piers and monolithic concrete walls if the safe
loadbearing capacity is not exceeded
When is a footing inspection conducted?
When the forms and steel reinforcing, if used, for the footings are
complete but prior to placing any concrete
, When fitting a casement window, the window will not close all the way
what do you do?
Ensure casement is plump and square
Sash hinged windows are called what?
Casement
What is the moisture permeability of 6mil poly?
0.03 US perm (1.7 SI perm) or 1.7 ng
New fire places come with an air box around the fire box what is it for?
they are referring to the air heating chamber, where cold air is drawn in
near the bottom (interior) of the fireplace, circulates around
the firebox, and then are vented out the top. Sometimes there is a
blower installed to control the airflow. This provides more controlled
distribution of heat.
When can BC Work Safe authority come to your construction site?
Anytime
The moisture content of framing lumber at the time of installation must
not exceed what percentage?
19 %
