BC OWNER BUILDER EXAM STUDY GUIDE
2026/2027 ACCURATE QUESTIONS WITH
CORRECT DETAILED SOLUTIONS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. Purpose of the BC Building Code - ANSWER ✔ To establish minimum
standards for construction
2. Owner Builder - ANSWER ✔ A person who builds their home and lives in
it
3. Minimum required ceiling height for habitable rooms - ANSWER ✔ 7 feet
4. Required fire-resistance rating for walls separating a garage from living
spaces - ANSWER ✔ 1 hour
5. Maximum allowable slope for a residential driveway - ANSWER ✔ 20%
6. Minimum size of a bedroom - ANSWER ✔ 70 square feet
7. Permit required for electrical work in a residential building - ANSWER ✔
Electrical permit
8. Frequency of smoke alarm testing - ANSWER ✔ Monthly
9. Minimum required thickness for a concrete slab foundation - ANSWER ✔
4 inches
10.Minimum required height for guardrails - ANSWER ✔ 36 inches
,11.Minimum distance required between a septic tank and a well - ANSWER
✔ 5 meters
12.Required minimum width for an exterior door - ANSWER ✔ 32 inches
13.Required depth for footings on undisturbed soil - ANSWER ✔ 12 inches
14.Required clearance for a wood stove from combustible materials -
ANSWER ✔ 36 inches
15.Minimum required insulation value for walls - ANSWER ✔ R-20
16.Purpose of a vapor barrier in residential construction - ANSWER ✔ To
prevent moisture migration
17.Required clearance for a gas appliance from combustible materials -
ANSWER ✔ 24 inches
18.Minimum required spacing for electrical outlets in a living room - ANSWER
✔ 6 feet
19.Order of inspections - 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
20.Which is not an acceptable method for determining the correct grading for a
trench? - ANSWER ✔ An experienced excavator says it's ok
21.At what depth is shoring required? - ANSWER ✔ 1.2m/4ft
,22.Which best describes the principle of rain waterterm-0 deflection? -
ANSWER ✔ Design and construction that prevents water from ever
entering
23.What lighting safety certifications are required in Canada? - ANSWER ✔
CSA safety certification
24.What grit of sandpaper would get the smoothest result? - ANSWER ✔
Higher grit with get a smoother finish
25.What is the maximum rise in a flight of stairs? - ANSWER ✔ The vertical
height of any flight of stairs should not exceed 3.7m
26.How should you store propane cylinders on a job site? - ANSWER ✔
Upright and secured
27.What is the most appropriate bridging / blocking for a non-engineered floor?
- ANSWER ✔ Cross-bridging at 7' OC max
28.How do you properly install rigid insulation in a cavity wall? - ANSWER
✔ Directly against the concrete
29.When are sprinklers required in a SFD? - ANSWER ✔ Only required if
local bylaws require them
30.Minimum horizontal overlap for building paper? - ANSWER ✔ 100mm or
4"
31.How do you square up a wall when framing? - ANSWER ✔ Measure
diagonals
32.Which two materials most affect the strength of concrete? - ANSWER ✔
Cement and water
33.When do you call for a framing inspection? - ANSWER ✔ When the
framing is complete, and HVAC and plumbing are roughed in
, 34.When can you apply for an occupancy permit? - ANSWER ✔ Upon
substantial completion
35.If you omit the edge covering for a concrete tile roof, what will happen? -
ANSWER ✔ Edge of tiles no longer protected against corrosion
36.Which product is used before applying latex paint to new drywall?
a. Water based primer sealer
b. Water based eggshell paint
c. Oil based primer
d. Water based semi-gloss paint - ANSWER ✔ a
37.Some high efficiency windows have a gas injected between the panes. This
gas is?
a. Nitrogen
b. Oxygen
c. Argon
d. Hydrogen - ANSWER ✔ c
38.Storage of materials that have a WHMIS label should be in?
a. In their approved containers in a locker or locked room
b. In their approved containers secured outside
c. Inside an isolated room in an off-site building
d. At your tool crib - ANSWER ✔ a
39.What is used to prevent mitre joints from opening?
a. Air dried lumber and sufficient glue
b. Air dried lumber and biscuits
c. Biscuits and silicone
d. Kiln dried lumber or engineered material and sufficient glue -
ANSWER ✔ c
40.Where a roof structure requires ventilation, where can a vent for air flow
NOT be?
a. Gable
b. Roof
c. Soffits
d. Fascia - ANSWER ✔ d
2026/2027 ACCURATE QUESTIONS WITH
CORRECT DETAILED SOLUTIONS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. Purpose of the BC Building Code - ANSWER ✔ To establish minimum
standards for construction
2. Owner Builder - ANSWER ✔ A person who builds their home and lives in
it
3. Minimum required ceiling height for habitable rooms - ANSWER ✔ 7 feet
4. Required fire-resistance rating for walls separating a garage from living
spaces - ANSWER ✔ 1 hour
5. Maximum allowable slope for a residential driveway - ANSWER ✔ 20%
6. Minimum size of a bedroom - ANSWER ✔ 70 square feet
7. Permit required for electrical work in a residential building - ANSWER ✔
Electrical permit
8. Frequency of smoke alarm testing - ANSWER ✔ Monthly
9. Minimum required thickness for a concrete slab foundation - ANSWER ✔
4 inches
10.Minimum required height for guardrails - ANSWER ✔ 36 inches
,11.Minimum distance required between a septic tank and a well - ANSWER
✔ 5 meters
12.Required minimum width for an exterior door - ANSWER ✔ 32 inches
13.Required depth for footings on undisturbed soil - ANSWER ✔ 12 inches
14.Required clearance for a wood stove from combustible materials -
ANSWER ✔ 36 inches
15.Minimum required insulation value for walls - ANSWER ✔ R-20
16.Purpose of a vapor barrier in residential construction - ANSWER ✔ To
prevent moisture migration
17.Required clearance for a gas appliance from combustible materials -
ANSWER ✔ 24 inches
18.Minimum required spacing for electrical outlets in a living room - ANSWER
✔ 6 feet
19.Order of inspections - 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
20.Which is not an acceptable method for determining the correct grading for a
trench? - ANSWER ✔ An experienced excavator says it's ok
21.At what depth is shoring required? - ANSWER ✔ 1.2m/4ft
,22.Which best describes the principle of rain waterterm-0 deflection? -
ANSWER ✔ Design and construction that prevents water from ever
entering
23.What lighting safety certifications are required in Canada? - ANSWER ✔
CSA safety certification
24.What grit of sandpaper would get the smoothest result? - ANSWER ✔
Higher grit with get a smoother finish
25.What is the maximum rise in a flight of stairs? - ANSWER ✔ The vertical
height of any flight of stairs should not exceed 3.7m
26.How should you store propane cylinders on a job site? - ANSWER ✔
Upright and secured
27.What is the most appropriate bridging / blocking for a non-engineered floor?
- ANSWER ✔ Cross-bridging at 7' OC max
28.How do you properly install rigid insulation in a cavity wall? - ANSWER
✔ Directly against the concrete
29.When are sprinklers required in a SFD? - ANSWER ✔ Only required if
local bylaws require them
30.Minimum horizontal overlap for building paper? - ANSWER ✔ 100mm or
4"
31.How do you square up a wall when framing? - ANSWER ✔ Measure
diagonals
32.Which two materials most affect the strength of concrete? - ANSWER ✔
Cement and water
33.When do you call for a framing inspection? - ANSWER ✔ When the
framing is complete, and HVAC and plumbing are roughed in
, 34.When can you apply for an occupancy permit? - ANSWER ✔ Upon
substantial completion
35.If you omit the edge covering for a concrete tile roof, what will happen? -
ANSWER ✔ Edge of tiles no longer protected against corrosion
36.Which product is used before applying latex paint to new drywall?
a. Water based primer sealer
b. Water based eggshell paint
c. Oil based primer
d. Water based semi-gloss paint - ANSWER ✔ a
37.Some high efficiency windows have a gas injected between the panes. This
gas is?
a. Nitrogen
b. Oxygen
c. Argon
d. Hydrogen - ANSWER ✔ c
38.Storage of materials that have a WHMIS label should be in?
a. In their approved containers in a locker or locked room
b. In their approved containers secured outside
c. Inside an isolated room in an off-site building
d. At your tool crib - ANSWER ✔ a
39.What is used to prevent mitre joints from opening?
a. Air dried lumber and sufficient glue
b. Air dried lumber and biscuits
c. Biscuits and silicone
d. Kiln dried lumber or engineered material and sufficient glue -
ANSWER ✔ c
40.Where a roof structure requires ventilation, where can a vent for air flow
NOT be?
a. Gable
b. Roof
c. Soffits
d. Fascia - ANSWER ✔ d
