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1/2 drywall on 24 Centers Ceiling

1/2 drywall on 24 Centers Ceiling
1/2 drywall on 24 Centers Ceiling

It may be difficult and stressful to install a new ceiling in your house. Taking on the job independently without hiring a professional may become more complex. In addition to other factors, the thickness of the drywall will affect cost and structural soundness.

The bulk of ceilings should be covered with 12″ type drywall, the standard thickness. The installation will be simple for the home improvement, with or without help, and there will be the least drooping between the joists.

While most homes benefit from using 12″ drywall for ceilings, many variables will determine if this particular drywall is suitable for your property. Where required by construction regulations and rafter space, 5/8″ drywall is needed to be used.

Can You Use ½” drywall On the Ceiling?

In some cases, thicker drywall may be required due to fire requirements or larger joist spacing, but generally, 12″ drywall size is your best choice for most ceiling applications. For several reasons, half-inch drywall is the typical thickness for most interior walls and ceilings.

Firstly, this drywall thickness for ceilings is relatively simple to carry, hang up, and join to the roof structure above. The 12″ lightweight panels, which will be covered later in this article, are an even more reasonable choice.

The typical 4 by 8-foot, 57-pound standard half-inch drywall ceiling panels are the most common size utilized in ceiling installations. Unfortunately, any DIY enthusiast will only be able to handle and raise this size and weight of the panel into position by themselves.

Factors influencing the choice of drywall thickness

Many factors will affect your choice of drywall thickness.

  • First, the project’s size will have an impact since it will inevitably impact the total cost of replacing the ceiling.
  • The thickness of the ceiling drywall you choose will also depend on how much assistance you have since working alone with thicker and heavier panels would make the process much more difficult.

It will be simpler to work with and hoist into position if you choose the thinner drywall for your ceiling, but there is also a danger that it may flex and droop. Therefore, thicker sheets are often saved for situations where the ceiling joists are spaced substantially wider than is typical.

When attached to ceiling joists sixteen inches apart, half-inch drywall ceiling panels perform at their best. Nails or screws should be placed every seven inches or every twelve inches, respectively, to avoid sagging.

An insulated half-inch drywall with a sturdy “polyfoam” core is also offered; in most cases, this version will keep the panels from warping.

When Are Other Drywall Thicknesses Required?

When plaster ceilings need to be restored, drywall is often utilized. This is accomplished by using 3/8″ drywall, which may be used to patch any sizeable holes in plaster that is the same thickness.

5/8′′ drywall is a preferable choice in a home with ceiling trusses that are 24 inches apart. This is because using thinner drywall, like 12″, when the trusses are that wide apart, can cause the lighter drywall material to sag significantly. Because thicker drywall is more solid and less prone to drooping, it is.

A thicker 5/8′′ drywall sheet is better if you build a fire barrier between a garage and a home’s living area. This is often a code requirement and will guarantee that, in the case of a fire in the garage, the drywall will provide the appropriate level of fire protection for the home.

Where the ceiling is covered in a texture or skim coat, thicker drywall panels can also be necessary. This is because any sizable texture or coating on a ceiling would increase the ceiling’s total weight. The ceiling will therefore grow more prone to drooping due to this.

As a result, thicker drywall in the ceiling will stop the drooping that was previously mentioned but may otherwise happen with a thickly coated ceiling.

Drywall Panel Sizes

A key factor affecting the whole installation procedure is the size of the sheets you want to utilize for your ceiling drywall applications. The number of joints in the ceiling will be greatly reduced if you ensure the right size for your application.

This will make the installation procedure simpler. Also, remember that larger drywall sheets will be more challenging to handle and install the drywall. Moving them upstairs, around corners, or even through doorways could be more difficult.

Ultra-Light Drywall Panels

Using innovative manufacturing techniques, ultralight drywall is about 25 percent lighter than regular drywall. Compared to traditional 12″ thick sheetrock, an ultralight sheet of the same thickness will weigh about 13 pounds less.

Sheetrock Ultralight, one of the product’s manufacturers, describes the features and structure of this type of drywall.

According to the manufacturer, their lightweight drywall panels are made of gypsum, calcium dihydrate, cellulose, and glass fiber. In addition, a higher concentration of maize starch and a specific surfactant contribute to the product’s lightness and durability.

Even though ultra-light drywall panels are inherently lighter and hence simpler to lift and transport, making them eventually easier to install, they are much more expensive than regular drywall and have worse soundproofing capabilities while also being more brittle.


In most cases, 12″ drywall is the material for ceiling installation. There are other widely used choices, such as 5/8″ drywall and newer, thinner options.

The distance between the joists or rafters and the weight of the drywall material itself often determines the thickness of drywall used on ceilings. A thorough evaluation of the roof’s structure and the local building requirements can help you identify which drywall solution is best for your circumstances.


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