NASCLA Exam Questions and Correct answers with Complete Solutions

NASCLA Exam Questions and Correct answers with Complete Solutions
lightweight, 5/8" that is up to 15% lighter than standard Type X wallboard - ✔✔-
Gysum Panel- Firecode Type X
What is an advantage of veneer plasters? - ✔✔- Veneer plaster is more durable
Least expensive stud for gypsum framing? - ✔✔- 25 gauge steel studs
18 GAUGE TIES are used for what in gypsum framing? - ✔✔- TO ATTACH
CHANNEL TO FURRED AREAS
Why USE SHORTER SHANK NAILS in framing with Gypsum? - ✔✔- TO
PREVENT NAIL POPS
With gypsum wall framing, how should studs be installed? - ✔✔- ALL STUDS
SAME DIRECTION
How should resilient channels be installed with respect to distance from floor and
ceiling? - ✔✔- INSTALL RESILIENT CHANNELS 2" FROM FLOOR, 6" FROM
CEILING
How should furring channels be installed? - ✔✔- PERPENDICULAR TO JOIST
What is the SPACING OF FURRING CHANNEL FASTENERS? - ✔✔- 24" OC
Temperature of hanging drywall? - ✔✔- 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? - ✔✔- GYPSUM CONTROL JOINT
WIDTH IS 1/2"
Job conditions of finishing veneer plaster? - ✔✔- GREATER THAN 55
DEGREES, HUMIDITY 20-50 %
THE SPACING OF FASTENERS FOR CORNER BEAD MUST NOT BE MORE
THAN.... - ✔✔- 12" OC
Storage Temperature of Gyspum... - ✔✔- 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? -
✔✔- 4"-6" FROM WALL
When can a door be used as a wall control joint? - ✔✔- THE DOOR MAY BE
USED AS A WALL CONTROL JOINT IF THE JOINT GOES FROM THE
CORNER UP
Some purposes of roofing underlayment? - ✔✔- 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? - ✔✔- Ice Dams
The membrane of an ice dam should be HOW MANY inches inside the wall line?
- ✔✔- 24 inches inside the wall line
What is the term for flashing built into the vertical surface and bent down over the
base flashing - ✔✔- counter flashing
What is the flashing built right up on the chimney and butts the chimney and the
shingles? - ✔✔- Step flashing
How much exposure should be given when roll roofing? - ✔✔- 17 inches
How many pounds per square are required of vapor barriers on built up roofs? -
✔✔- 45 to 80 lbs per square

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