NASCLA EXAM UPDATED Exam
Questions and CORRECT Answers
lightweight, 5/8" that is up to 15% lighter than standard Type X wallboard - CORRECT
ANSWER Gysum Panel- Firecode Type X
What is an advantage of veneer plasters? - CORRECT ANSWER Veneer plaster is more
durable
Least expensive stud for gypsum framing? - CORRECT ANSWER 25 gauge steel studs
18 GAUGE TIES are used for what in gypsum framing? - CORRECT ANSWER TO
ATTACH CHANNEL TO FURRED AREAS
Why USE SHORTER SHANK NAILS in framing with Gypsum? - CORRECT
ANSWER TO PREVENT NAIL POPS
With gypsum wall framing, how should studs be installed? - CORRECT ANSWER ALL
STUDS SAME DIRECTION
How should resilient channels be installed with respect to distance from floor and ceiling? -
CORRECT ANSWER INSTALL RESILIENT CHANNELS 2" FROM FLOOR, 6"
FROM CEILING
How should furring channels be installed? - CORRECT ANSWER PERPENDICULAR
TO JOIST
What is the SPACING OF FURRING CHANNEL FASTENERS? - CORRECT
ANSWER 24" OC
,Temperature of hanging drywall? - CORRECT ANSWER TEMPERATURE TO HANG
DRYWALL SHOULD BE MORE THAN 50 DEGREES, ACCLIMATED FOR 24 HOURS AT
55-70 DEGREES
What is the width of a gypsum control joint? - CORRECT ANSWER GYPSUM
CONTROL JOINT WIDTH IS 1/2"
Job conditions of finishing veneer plaster? - CORRECT ANSWER GREATER THAN 55
DEGREES, HUMIDITY 20-50 %
THE SPACING OF FASTENERS FOR CORNER BEAD MUST NOT BE MORE THAN.... -
CORRECT ANSWER 12" OC
Storage Temperature of Gyspum... - CORRECT ANSWER Above 55 degrees, products
start to deteriorate at 125 degrees
When stacking gyspum, how far should the base of the stack be from the wall? - CORRECT
ANSWER 4"-6" FROM WALL
When can a door be used as a wall control joint? - CORRECT ANSWER THE DOOR
MAY BE USED AS A WALL CONTROL JOINT IF THE JOINT GOES FROM THE
CORNER UP
Some purposes of roofing underlayment? - CORRECT ANSWER It protects roof
sheathing before the roof is applied, and it gives added weather protection
What is used to keep water from getting inside the roof? - CORRECT ANSWER Ice Dams
The membrane of an ice dam should be HOW MANY inches inside the wall line? - CORRECT
ANSWER 24 inches inside the wall line
,What is the term for flashing built into the vertical surface and bent down over the base flashing -
CORRECT ANSWER counter flashing
What is the flashing built right up on the chimney and butts the chimney and the shingles? -
CORRECT ANSWER Step flashing
How much exposure should be given when roll roofing? - CORRECT ANSWER 17
inches
How many pounds per square are required of vapor barriers on built up roofs? - CORRECT
ANSWER 45 to 80 lbs per square
What are some purposes of aggregate on built up roofs? - CORRECT ANSWER Protects
the underlying roof system from weather and protects from damage caused by foot traffic
When installing rafters, how much air space should be left for ventilation? - CORRECT
ANSWER 1 inch minimum
In roofing, what is a major reason to install vapor barriers? - CORRECT
ANSWER Prevent condensation
What is the term used to describe the ability of a vapor barrier to resist vapor penetration? -
CORRECT ANSWER "Perms"
What is the maximum height of carpet? - CORRECT ANSWER 1/2 inch
What is the max vertical change in level? - CORRECT ANSWER 1/4"
What is the max bevel allowed? - CORRECT ANSWER 1:2
, Max slope of any floor surface is... - CORRECT ANSWER 1:48
Objects may protrude how many inches into the path of travel? - CORRECT ANSWER 4
inches
Max pressure for operable parts is what? - CORRECT ANSWER 5 lbs
Clear width of an interior accessible route is.... - CORRECT ANSWER 36 inches
minimum
What is the max height of a threshold? - CORRECT ANSWER 1/2 FOOT (6 in)
Door hardware should be placed.... - CORRECT ANSWER 34 to 48 inches above finished
floor
Opening door force should be.... - CORRECT ANSWER 5 lbs
Minimum ramp loading length? - CORRECT ANSWER 60 inches
Ramps higher than HOW MANY inches shall have handrails? - CORRECT ANSWER 6
inches
Ramp surface must extend how many inches outside the railing? - CORRECT
ANSWER 12 inches
Curbs at ramps shall be at least how many inches high? - CORRECT ANSWER 4 inches
Parking space access aisles should be at least how many inches wide? - CORRECT
ANSWER 60 inches
Questions and CORRECT Answers
lightweight, 5/8" that is up to 15% lighter than standard Type X wallboard - CORRECT
ANSWER Gysum Panel- Firecode Type X
What is an advantage of veneer plasters? - CORRECT ANSWER Veneer plaster is more
durable
Least expensive stud for gypsum framing? - CORRECT ANSWER 25 gauge steel studs
18 GAUGE TIES are used for what in gypsum framing? - CORRECT ANSWER TO
ATTACH CHANNEL TO FURRED AREAS
Why USE SHORTER SHANK NAILS in framing with Gypsum? - CORRECT
ANSWER TO PREVENT NAIL POPS
With gypsum wall framing, how should studs be installed? - CORRECT ANSWER ALL
STUDS SAME DIRECTION
How should resilient channels be installed with respect to distance from floor and ceiling? -
CORRECT ANSWER INSTALL RESILIENT CHANNELS 2" FROM FLOOR, 6"
FROM CEILING
How should furring channels be installed? - CORRECT ANSWER PERPENDICULAR
TO JOIST
What is the SPACING OF FURRING CHANNEL FASTENERS? - CORRECT
ANSWER 24" OC
,Temperature of hanging drywall? - CORRECT ANSWER TEMPERATURE TO HANG
DRYWALL SHOULD BE MORE THAN 50 DEGREES, ACCLIMATED FOR 24 HOURS AT
55-70 DEGREES
What is the width of a gypsum control joint? - CORRECT ANSWER GYPSUM
CONTROL JOINT WIDTH IS 1/2"
Job conditions of finishing veneer plaster? - CORRECT ANSWER GREATER THAN 55
DEGREES, HUMIDITY 20-50 %
THE SPACING OF FASTENERS FOR CORNER BEAD MUST NOT BE MORE THAN.... -
CORRECT ANSWER 12" OC
Storage Temperature of Gyspum... - CORRECT ANSWER Above 55 degrees, products
start to deteriorate at 125 degrees
When stacking gyspum, how far should the base of the stack be from the wall? - CORRECT
ANSWER 4"-6" FROM WALL
When can a door be used as a wall control joint? - CORRECT ANSWER THE DOOR
MAY BE USED AS A WALL CONTROL JOINT IF THE JOINT GOES FROM THE
CORNER UP
Some purposes of roofing underlayment? - CORRECT ANSWER It protects roof
sheathing before the roof is applied, and it gives added weather protection
What is used to keep water from getting inside the roof? - CORRECT ANSWER Ice Dams
The membrane of an ice dam should be HOW MANY inches inside the wall line? - CORRECT
ANSWER 24 inches inside the wall line
,What is the term for flashing built into the vertical surface and bent down over the base flashing -
CORRECT ANSWER counter flashing
What is the flashing built right up on the chimney and butts the chimney and the shingles? -
CORRECT ANSWER Step flashing
How much exposure should be given when roll roofing? - CORRECT ANSWER 17
inches
How many pounds per square are required of vapor barriers on built up roofs? - CORRECT
ANSWER 45 to 80 lbs per square
What are some purposes of aggregate on built up roofs? - CORRECT ANSWER Protects
the underlying roof system from weather and protects from damage caused by foot traffic
When installing rafters, how much air space should be left for ventilation? - CORRECT
ANSWER 1 inch minimum
In roofing, what is a major reason to install vapor barriers? - CORRECT
ANSWER Prevent condensation
What is the term used to describe the ability of a vapor barrier to resist vapor penetration? -
CORRECT ANSWER "Perms"
What is the maximum height of carpet? - CORRECT ANSWER 1/2 inch
What is the max vertical change in level? - CORRECT ANSWER 1/4"
What is the max bevel allowed? - CORRECT ANSWER 1:2
, Max slope of any floor surface is... - CORRECT ANSWER 1:48
Objects may protrude how many inches into the path of travel? - CORRECT ANSWER 4
inches
Max pressure for operable parts is what? - CORRECT ANSWER 5 lbs
Clear width of an interior accessible route is.... - CORRECT ANSWER 36 inches
minimum
What is the max height of a threshold? - CORRECT ANSWER 1/2 FOOT (6 in)
Door hardware should be placed.... - CORRECT ANSWER 34 to 48 inches above finished
floor
Opening door force should be.... - CORRECT ANSWER 5 lbs
Minimum ramp loading length? - CORRECT ANSWER 60 inches
Ramps higher than HOW MANY inches shall have handrails? - CORRECT ANSWER 6
inches
Ramp surface must extend how many inches outside the railing? - CORRECT
ANSWER 12 inches
Curbs at ramps shall be at least how many inches high? - CORRECT ANSWER 4 inches
Parking space access aisles should be at least how many inches wide? - CORRECT
ANSWER 60 inches
