# Vapor Barrier Installation for a Ceiling Under Drywall
A vapor barrier is intended to keep moisture from penetrating into the house and against the walls. The reasons for this are varied but moisture can cause sagging ceilingss and mold. Both can be dangerous. If drywall ceiling gets too mooist it will crumbe and can fall. Mold can causse even greater problems because it can actually be harmful to children. A vapor barrier will reduce this
Things You'll Need
- Scaffold
- Tape measure
- Staple gun
- Vapor barrier
- Scissors
Instructions
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Hanging a Vapor Barrier
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1
Set up scaffolding. Make sure it is assembled correctly, otherwise it will fall apart. Measure the surface you are hanging the vapor barrier.
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2
Calculate how much vapor barrier you will need. Cut that amount. It is okay to overlap.
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3
Hang the first sheet of vapor barrier stapling it on the ceiling joists. The staples should be about 12 inches apart. Continue doing this until the entire surface is covered.
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1
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