The Ultimate Fixing Cracked Plaster Quiz

By: HowStuffWorks.com Contributors

The Ultimate Fixing Cracked Plaster Quiz
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About This Quiz

Cracks on a wall are inevitable in any home. Time alone produces hairline cracks that you may want to fix permanently. Fixing cracked plaster involves a few simple and easy steps. Take this quiz and learn how you can fix your cracked plaster for good.
What can temporarily hide hairline cracks in plaster?
paint glue
latex paint
Hairline cracks on your walls are inevitable over time. Try painting over hairline cracks with latex paint as a temporary solution.
plaster glue

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How long will a hairline plaster crack remain covered if you paint over it?
a few hours
a few months
either of the above
Painting over hairline cracks is only temporary. This solution may last anywhere from a few hours to a few months before the crack rears its ugly head again.

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What should you do to fix a small hairline crack permanently?
Fill it with superglue and sand it down.
Sand it down and paint over it.
Open up the crack and fill it properly.
It may sound counterintuitive, but it's better to open up a small crack and fill it properly.

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What type of plaster should you use to fill cracks in the wall?
plaster of paris
premixed plaster repair compound
either of the above
Fill cracks with either plaster of paris, which does not shrink when dried, or premixed plaster repair compound.

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How do you prepare a crack for plastering?
Sand it down so that it's smooth.
Open up the crack so that it has clean edges.
Before you plaster over a crack, try opening it up with a utility knife to create clean edges.
Spray it with water do bring down loose dust.

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Why do you need a vacuum cleaner when plastering a crack in the wall?
to clean leftover debris when you are done plastering
to help the plaster dry
to clear away loose debris around the crack before you begin plastering
After you open up the crack and chipped away at loose plaster, clear away the debris from the crack with a vacuum cleaner.

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When mixing plaster of paris with water it should be:
thick
Mix plaster of paris with water to make a thick paste. This thick paste should be applied to the crack with a wet paintbrush.
of medium thickness
thin

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How long should you let the crack dry after you apply wet plaster?
12 hours
24 hours
It's important to allow sufficient time for the plaster to dry. Wait a good 24 hours before you sand the plaster.
48 hours

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What type of sand paper should you use to sand the plaster?
fine sand paper
medium sand paper
either of the above
Use fine or medium sand paper to smooth out the newly plastered wall.

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What should you do once you finish sanding the newly plastered wall?
Paint over the plaster only.
Paint over the plaster and the area surrounding the plaster.
Paint the whole wall.
After the plaster is nice and even, prime and paint the whole wall.

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You Got:
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