Drywall
What is the scratch coat ?
Applied to the metal lath with enough pressure to force it into the mesh and form a good key
How manny kinds of fast set times are there ?
20, 40, 5, 90
Plaster over expanded metal lath or wire fabric is a ___________ coat system
3 way ( scratch coat , brown coat, and finish coat )
What are the different thicknesses of plywood ?
3/8, 1/2, 5/8, 3/4, 1" and 1 1/4
What are the standard sizes of drywall?
4' wide x 8' long or 4'wide x 12' long
What size of drywall is fire rated
5/8
When plywood has 4 lines ? 5 lines ? 3lines?
5/8 3/4 1/2
What is a non-bearing wall?
Serve only to divide not for support . For example privacy reasons
Minimum ceiling drywall single nail is _______, and screwed every _____
Spaced approx 7", screws are spaced 12'' on the ceiling
What is a bearing wall?
an interior or exterior wall that supports a load in addition to its own weight
What color of screws are used for drywall and what sizes are there ?
Black 1'' 1/4'' 1 1/2'' 5/8''
When do we do drywall repairs?
Canceling light fixtures Removing cabinets Having to open open up the wall Leaks
What color of drywall do you need for moisture barrier ?
Purple or green (gets installed behind the vanity behind kitchen sink , laundary )
What insulation is used in the walls?
R13
What insulation is used for the ceiling
R30
What are the different thicknesses of drywall ?
1/4, 1/2, and 5/8
When you have your grand total of drywall what must you do at the end?
ALWAYS add 5 more sheets to be on the safe side
To code how does drywall get installed in the ceiling ?
It's installed staggered , you don want them to align perfectly .
What is fast set?
It's mud / pasta that goes on the drywall
When does drywall get installed ?
Once insulation is done . Steps include = framing , rough electrical, rough plumbing , insulation , and then drywall
When it comes to adding new insulation to a room what must be done?
Take down the drywall install the insulation and measure for new drywall.
What is drywall joint tape and what are the 2 kinds ?
There is the paper or mesh tape