BC OWNER BUILDER EXAMINATION SCRIPT
2026 COMPLETE QUESTIONS WITH
ACCURATE ANSWERS
◉ Stair rise max.
Answer: 200mm
◉ Sheathing should be.
Answer: Staggered
◉ If subfloor joints are faulty.
Answer: Add blocking
◉ Distance between external in and out vents? (HRV).
Answer: 6'
◉ Window CSA coding does not designate?.
Answer: Type
◉ Can owner builder pull a permit for plumbing?.
,Answer: Yes; owner builders can pull a plumbing permit provided
they do not possess a tradesman qualification certification as a
plumber.
◉ Exterior wraps are WRB.
Answer: Water resistant barrier, They are water resistant to bulk
water
(rain) but will allow moisture to diffuse through (so water in the
wall can escape to the exterior
◉ Vapour barriers.
Answer: Vapour barriers, which
go on the warm side of the wall, should have a low permeability (1.7
SI perms). A typical VB is poly. *Note that a house
wrap / WRB is not vapour proof.
◉ Basically, mixing and matching physical qualities of barrier
materials. Something like this. Which state is note true?.
Answer: b. Barrier materials only provide one function each, air,
moisture or vapour
◉ Which product is used before applying latex paint to new
drywall?.
Answer: Water based primer sealer
, ◉ Some high efficiency windows have a gas injected between the
panes. What is the gas?.
Answer: Argon
◉ Storage of materials that are hazardous, are combustible,
corrosive, toxic etc. should be safely stored. Where can they be
stored.
Answer: In their approved containers inside a locked room
◉ What is used to prevent mitre joints from opening?.
Answer: Biscuits and silicone
◉ What is the best way to make an expansion joint without plastic
strip or tooling?.
Answer: Sawing
◉ Where a roof structure requires ventilation, where can a vent for
air flow NOT be placed?.
Answer: Fascia
◉ The owner-builder's brother in law is a licensed builder. What are
the restrictions regarding his involvement?.
2026 COMPLETE QUESTIONS WITH
ACCURATE ANSWERS
◉ Stair rise max.
Answer: 200mm
◉ Sheathing should be.
Answer: Staggered
◉ If subfloor joints are faulty.
Answer: Add blocking
◉ Distance between external in and out vents? (HRV).
Answer: 6'
◉ Window CSA coding does not designate?.
Answer: Type
◉ Can owner builder pull a permit for plumbing?.
,Answer: Yes; owner builders can pull a plumbing permit provided
they do not possess a tradesman qualification certification as a
plumber.
◉ Exterior wraps are WRB.
Answer: Water resistant barrier, They are water resistant to bulk
water
(rain) but will allow moisture to diffuse through (so water in the
wall can escape to the exterior
◉ Vapour barriers.
Answer: Vapour barriers, which
go on the warm side of the wall, should have a low permeability (1.7
SI perms). A typical VB is poly. *Note that a house
wrap / WRB is not vapour proof.
◉ Basically, mixing and matching physical qualities of barrier
materials. Something like this. Which state is note true?.
Answer: b. Barrier materials only provide one function each, air,
moisture or vapour
◉ Which product is used before applying latex paint to new
drywall?.
Answer: Water based primer sealer
, ◉ Some high efficiency windows have a gas injected between the
panes. What is the gas?.
Answer: Argon
◉ Storage of materials that are hazardous, are combustible,
corrosive, toxic etc. should be safely stored. Where can they be
stored.
Answer: In their approved containers inside a locked room
◉ What is used to prevent mitre joints from opening?.
Answer: Biscuits and silicone
◉ What is the best way to make an expansion joint without plastic
strip or tooling?.
Answer: Sawing
◉ Where a roof structure requires ventilation, where can a vent for
air flow NOT be placed?.
Answer: Fascia
◉ The owner-builder's brother in law is a licensed builder. What are
the restrictions regarding his involvement?.
