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