NASCLA Exam Questions With 100% Correct Answers

NASCLA Exam Questions With 100% Correct Answers lightweight, 5/8" that is up to 15% lighter than standard Type X wallboard - answerGysum Panel- Firecode Type X What is an advantage of veneer plasters? - answerVeneer plaster is more durable Least expensive stud for gypsum framing? - answer25 gauge steel studs 18 GAUGE TIES are used for what in gypsum framing? - answerTO ATTACH CHANNEL TO FURRED AREAS Why USE SHORTER SHANK NAILS in framing with Gypsum? - answerTO PREVENT NAIL POPS With gypsum wall framing, how should studs be installed? - answerALL STUDS SAME DIRECTION How should resilient channels be installed with respect to distance from floor and ceiling? - answerINSTALL RESILIENT CHANNELS 2" FROM FLOOR, 6" FROM CEILING How should furring channels be installed? - answerPERPENDICULAR TO JOIST What is the SPACING OF FURRING CHANNEL FASTENERS? - answer24" OC Temperature of hanging drywall? - answerTEMPERATURE 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? - answerGYPSUM CONTROL JOINT WIDTH IS 1/2" Job conditions of finishing veneer plaster? - answerGREATER THAN 55 DEGREES, HUMIDITY 20-50 % THE SPACING OF FASTENERS FOR CORNER BEAD MUST NOT BE MORE THAN.... - answer12" OC Storage Temperature of Gyspum... - answerAbove 55 degrees, products start to deteriorate at 125 degrees When stacking gyspum, how far should the base of the stack be from the wall? - answer4"- 6" FROM WALL When can a door be used as a wall control joint? - answerTHE DOOR MAY BE USED AS A WALL CONTROL JOINT IF THE JOINT GOES FROM THE CORNER UP Some purposes of roofing underlayment? - answerIt 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? - answerIce Dams The membrane of an ice dam should be HOW MANY inches inside the wall line? - answer24 inches inside the wall line What is the term for flashing built into the vertical surface and bent down over the base flashing - answercounter flashing What is the flashing built right up on the chimney and butts the chimney and the shingles? - answerStep flashing How much exposure should be given when roll roofing? - answer17 inches How many pounds per square are required of vapor barriers on built up roofs? - answer45 to 80 lbs per square What are some purposes of aggregate on built up roofs? - answerProtects 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? - answer1 inch minimum In roofing, what is a major reason to install vapor barriers? - answerPrevent condensation What is the term used to describe the ability of a vapor barrier to resist vapor penetration? - answer"Perms" What is the maximum height of carpet? - answer1/2 inch What is the max vertical change in level? - answer1/4" What is the max bevel allowed? - answer1:2 Max slope of any floor surface is... - answer1:48 Objects may protrude how many inches into the path of travel? - answer4 inches Max pressure for operable parts is what? - answer5 lbs Clear width of an interior accessible route is.... - answer36 inches minimum What is the max height of a threshold? - answer1/2 FOOT (6 in) Door hardware should be placed.... - answer34 to 48 inches above finished floor Opening door force should be.... - answer5 lbs Minimum ramp loading length? - answer60 inch