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Exam (elaborations)

Drywall & Plaster Questions And Quality Solutions

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  • Course
  • Drywall
  • Institution
  • Drywall

What penetration are face layers sheetrock fastener, GWB-54, required by code to provide - Correct Answer 3/4" penetration What causes cracking or wrinkling at taped edges of drywall - Correct Answer Very rapid drying Where should the first nails be spaced in the double nailing method for a...

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  • September 3, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Drywall
  • Drywall
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Victoria108
Drywall & Plaster Questions And Quality
Solutions
What penetration are face layers sheetrock fastener, GWB-54, required by code to
provide - Correct Answer 3/4" penetration

What causes cracking or wrinkling at taped edges of drywall - Correct Answer Very
rapid drying

Where should the first nails be spaced in the double nailing method for attaching
sheetrock board to wood framing. - Correct Answer 12" on center along the supports in
the field in sheetrock

What type of lath is used as the plaster base, when plastering ceilings in garages -
Correct Answer Metal lathe

three coat work requires...
finish coat, brown coat, scratch coat, all the above - Correct Answer all the above

for what period of time must the scratch coat be cured - Correct Answer not less than
48 hours

how is chicken wire ordered - Correct Answer by the roll

the lath used for plaster finish is...
metal, gypsum, insulation fiberboard, all the above - Correct Answer all the above

which of the following has the greatest insulating value?
fibers, gypsum lath, insulating fiberboard - Correct Answer Insulating fiberboard

stucco adheres best to which of the following?
mineral laths, wire laths, plaster boards, gypsum laths - Correct Answer Wire laths

Over which types of bases may Portland cement plaster be applied? A) Wire B)
Masonry C) Gypsum D) both Wire and Masonry - Correct Answer both Wire and
Masonry - not gypsum

Gypsum is what type of Lath - Correct Answer Mineral lath

Gypsum mortar sets - Correct Answer Faster than lime mortar

Metal lath is usually applied with the long dimension of the sheet in a/an - Correct
Answer horizontal direction

What is the principle binder in gypsum products - Correct Answer Lime

, Metal lath is ordered by the bundle. How many pieces are in a bundle - Correct Answer
12 pieces in a bundle

What is an advantage of plaster acoustical ceilings over other acoustical ceilings -
Correct Answer Its fire resistant

What are the best nails for drywall - Correct Answer Annular ring

How many nails should be ordered if you need 2,500 for a job, plus a 10% allowance, if
the nails come 150 to the pound? 21, 19, 17, 15 - Correct Answer 19 boxes,
2500 x 10% = 250
2500 + 250 = 2750
per lbs = 18.3 rounded to 19

The nails should be placed no more than how far on center, when installing drywall on a
ceiling - Correct Answer 7" on center

The nails should be placed no more than how far on center, when installing drywall on
sidewalls - Correct Answer 8" on center

what does the term "drywall" most usually refer to? - Correct Answer Gypsum
Wallboard

Ridging refers to - Correct Answer Conspicuous wrinkling of joint tape at treated edges

Usually drywall should first be installed - Correct Answer On the ceiling

What is the recommended head diameter for drywall nails - Correct Answer 19/64"

Which of the following statements is false.
1) the edge of a sheet of drywall that is slightly depressed is called the taped edge
2) In perpendicular installation, the short side of the drywall is attached perpendicular to
the studs
3) All drywall joint material is casein based
4) Ridging and cracking are prevented by back blocking - Correct Answer In
perpendicular installation, the short side of the drywall is attached perpendicular to the
studs

What is the best hammer for drywall - Correct Answer Convex

How do you get a clean cut on drywall - Correct Answer first score the front

What is the most important advantage of installing drywall with screws - Correct Answer
It holds more securely

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