Interior (Wall ceiling floor) Flashcards
A wall board can be made out of what three materials?
Gypsum board
Drywall
Sheetrock
What is the most common wall board size and up to what size can they come?
Most common size 4’x 8’ but comes in other sizes up to 4’x16
Joint Compound, also called____ must be applied to _______ with _____ (fiberglass or paper) imbedded into the ____ . Why?
Joint Compound (mud) must be applied to all joints with tape (fiberglass or paper) imbedded into the mud to prevent cracks from showing
Nail/screw heads must be coated with joint compound. True or false?
True
- What is the most often used type of gypsum board?
- What type of gypsum board has fire resistance?
- What type of gypsum board can be used under wall tile but not in showers and is typically green?
- Regular- Type use most often in residential construction
- Type-X- Fire resistant core
- Moisture resistant- May be used under wall tile but not in showers! Typically green color.
Gypsum board Sizes Widths are normally \_\_\_\_feet. Lengths vary from \_\_\_\_to \_\_\_feet. Thickness \_\_\_\_ to \_\_\_\_\_ Regular gypsum typically \_\_\_\_ most residential settings Type-X typically \_\_\_\_\_ 1 hr. fire rating Fasteners may be \_\_\_\_\_, \_\_\_\_\_ or \_\_\_\_\_\_\_, Most often screws are used
Sizes
Widths are normally 4 feet.
Lengths vary from 8 to 16 feet.
Thickness ¼ to 1”
Regular gypsum typically ½” most residential settings
Type-X typically 5/8” 1 hr. fire rating
Fasteners may be screws, nails or adhesives, Most often screws are used
Cutting Drywall
____________ is used to cut through the paper then the sheet easily breaks then the back paper is cut
Cutting Drywall
Utility Knife is used to cut through the paper then the sheet easily breaks then the back paper is cut
Use a ________ and utility knife for most cuts when cutting drywall.
Use a T-square and utility knife for most cuts
A ________ is used for small cuts especially curved cuts
A jab saw is used for small cuts especially curved cuts
The _______ works well to cut out receptacles, the bit will trace the outside of a box behind the drywall
The Roto-zip works well to cut out receptacles, the bit will trace the outside of a box behind the drywall
When applying dry wall:
May be applied ________ or ________.
__________ across framing provides the best strength but it may require more taping & spackling
When applying dry wall:
May be applied horizontally or vertically.
Horizontally across framing provides the best strength but it may require more taping & spackling
Sheetrock is first placed on the _______,
Next, ____pieces are placed and hold up the sheetrock at edges of the room.
Sheetrock is first placed on the ceilings, in this case not fastened within 7-12” of the wall. If fastening to the bottom chord of a truss 16”-18” from the wall.
Next wall pieces are placed and hold up the sheetrock at edges of the room
Most drywall is ______ into place, the same technique is used to fasten it to steel studs
Most drywall is screwed into place, the same technique is used to fasten it to steel studs
_______ can allow one person to hang drywall on ceilings & walls
Drywall lifts can allow one person to hang drywall on ceilings & walls
When hanging drywall, it is best to avoid _________, they are more difficult to ______ due to the lack of a ________
Thin sheets – ____ can be ____ and applied on a curved wall. Typically in ____ layers
When hanging drywall, it is best to avoid butt (end) joints, they are more difficult to tape due to the lack of a tapered edge
Thin sheets – 3/8” can be bent and applied on a curved wall. Typically in 2 layers