How much drywall do I need for a 12×12 room

How to Estimate Drywall or Sheetrock

You can both estimate the total square feet of drywall, also known as gypsum board, you’ll need and the number of sheets. For an estimate, use the calculator above or follow these steps:

Drywall needed = total area/sheet size.

  1. Multiply the length and height of one wall.
    • Don’t worry about excluding windows and doors, they’ll get trimmed later.
  2. Record the area.
  3. Repeat this process for all walls.
    • Don’t forget to measure each side of a wall that needs covering.
  4. Multiply the length times the width of each ceiling area and combine them.
    • Measure the floor directly below the ceiling area.
  • Add together all wall and ceiling areas.
  • This is the total square feet of your project.
  • Divide this number by the square feet of each drywall sheet

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Sheet SizeSquare Feet

How much does it cost to drywall a 12×12 room?

The cost to install drywall is about $2 per square foot. After material and labor are added in, the cost per panel ranges from $60 to $90. A typical 12 by 12-foot room, for example, will use 18 panels. This would put the cost somewhere between $1,000 and $1,600.
What’s the average cost to hang and finish drywall?

Cost To Hang And Finish Drywall

The average cost to hang and finish drywall in a standard 12′ x 12′ room is $872. *Expect to pay an extra 15%–20% on labor if a contractor oversees the project.

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Should you hang drywall vertically or horizontally?

On commercial jobs, fire codes often require seams to fall on the entire length of the framing, so the drywall must be hung vertically. … For walls nine feet high or shorter, hanging the drywall horizontally has a number of benefits. Fewer seams. Horizontal hanging reduces the lineal footage of seams by about 25%

Should drywall touch the floor?

Always leave a 1/2-inch gap on the floor. This allows for floor and wall expansion without cracking the drywall. It also helps prevents moisture-wicking if the floor floods

Do you put flooring down before drywall?

Drywall is installed, finished a primed before the flooring is installed so that the flooring isn’t damaged during the drywall installation and finishing process. … This means less chance of paint spills on the new floor, and allows us to do a thorough cleaning before the flooring is put down.

Measure Doors and Windows

Apply the tape measure to any doors or windows in the wall so you can later subtract these measurements from the overall square footage of the wall. Write these measurements down.

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Determine the Ceiling’s Square Footage

Use the tape measure to calculate the width and length of the floor area, which will be the same as the ceiling area if you have a flat ceiling. If you have a sloped ceiling where you plan to install drywall, use the ladder to access and determine the height and width measurements. Write these measurements down.

Add Your Measurements Together

Add the square footage of the walls and ceiling to get the total square footage of drywall required. For instance, our example room has four walls that equate to 128 square feet for each of four flat surfaces. A flat ceiling would total 256 square feet, as it is 16 by 16 feet. Multiply the wall square footage by four and add the total square footage for the ceiling to a total of 768 square feet.

If one wall had a 6-by-4-foot window and a door 3 feet wide and 6 feet 8 inches tall, subtract these measurements from the overall square footage. To make the door measurement easier to calculate, round up to 7 feet tall. Subtract the door area, 21 feet, and the window area, 24 feet, from the overall 768 square footage to arrive at a total of 723 square feet needed in drywall coverage.

Example of estimating drywall for a single room

15′ by 15′ room with 8’ceilings
Wall A15’x8’=120ft2
Wall B15’x8’=120ft2
Wall C15’x8’=120ft2
Wall D15’x8’=120ft2
Total Square Footage705ft2

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