Host David Thiel and guest Cameron Kemp with US Gypsum explain different kinds of drywall compound.
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 Figure A
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 Figure B
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 Figure C
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 Figure D
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 Figure E
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There are two basic kinds of drywall compound; powdered and ready-mix.
- Ready-mix compound (figure A) is pre-mixed and only needs to be stirred with a paddle to use. It must only be used in a 55 degree or higher climate so that it will dry properly.
- Powered compound (figure B) sets-up in a specific amount of time, rather than by temperature. It's available in various drying times.
Mixing powdered compound: - Pour water in a bucket, then add one part powdered compound.
- Mix the material with a hand mixer or paddle (figure C).
- Add more water and powder as needed to achieve a creamy consistency.
Applying compound:
- Use a knife to scoop compound out of the bucket onto a hawk or into a mud pan (figure D) for transport to the wall.
- Apply a small amount of the material on a knife.
- Run the knife along the wall at an angle, using two fingers to put pressure against the back of the knife (figure E).
- Continue to mix the material by turning it over occasionally with the knife as you work.
- This process is the same for either kind of drywall compound.
RESOURCES :
US Gypsum Company
Phone: 800-USG4YOU
GUESTS :
Cameron Kemp
US Gypsum Company
Phone: 800-874-8870 ext: 6538
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