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21 Drywall Questions Answered

I think the invention of drywall is one of the most significant additions to the construction world in the last hundred years. It reduces building costs, saves time, and is easy to work with.

If you’re a DIYer looking to renovate at home but aren’t sure about using drywall, here are some of the most common questions I’ve heard over the years.

What is Drywall, and How is it Used in Construction?

Drywall, also known as gypsum board or sheetrock, is a simple building material used for walls and ceilings. It is made of gypsum plaster sandwiched between two thick sheets of paper or fiberglass.

How is Drywall Installed?

Drywall installation typically involves attaching the drywall sheets to the framing using drywall screws or nails, then covering the joints and fastener heads with joint compound, and finally, sanding and painting the surface.

What are the Different Types of Drywall Available?

That’s right; there are different types of drywall, including regular drywall, fire-resistant drywall, moisture-resistant drywall, and soundproof drywall. Each one has its purpose and intended use.

  • Regular Drywall: For standard use in spaces like bedrooms, living rooms, and ceilings.
  • Fire-Resistant Drywall: Best used in kitchens, around fireplaces, etc.
  • Moisture-Resistant Drywall: Meant for bathrooms, basements, and other high-moisture areas.
  • Soundproof Drywall: For offices, studios, etc.

What are the Benefits of Using Drywall?

All drywall types offer several benefits, including ease of installation, cost-effectiveness, and versatility.

How Do You Repair Drywall Holes and Cracks?

Drywall holes and cracks can be repaired by cutting out and around the damaged area, so you create lean lines and edges, attach a patch, and cover the patch with a joint compound. Let it dry, sand smooth, then prime and paint.

How Do You Finish Drywall to Achieve a Smooth Surface?

Finishing drywall involves applying thin layers of joint compound over the joints and screw heads, allowing it to dry, then sand the surface smoothly and applying paint or other finish. I always recommend a coat of primer on all new drywall.

What are the Standard Drywall Sizes and Thicknesses?

Standard drywall sheet sizes are 4’x8,’ and 4’x12′, and they come in thicknesses of 1/4″, 3/8″, and 1/2″, with ½” being the most common.

How Do You Calculate the Number of Drywall Sheets Needed for a Project?

To calculate the number of drywall sheets you’ll need for a project, I’d advise you to measure the square footage of the walls and then divide it by the square footage of a single sheet of drywall. Also, always add at least 10% more than you need to allow for mistakes.

How Do You Hang Drywall on Ceilings?

It’s no simple task and requires a bit of muscle. Hanging drywall on a ceiling involves lifting each sheet over your head and holding it in place while attaching the drywall to the framing using drywall screws or nails, then covering the joints and fastener heads with joint compound, and finally, sanding and painting the surface. I recommend you get the help of a friend or partner.

How Do You Attach Drywall to Metal Studs?

You can attach drywall to metal studs using drywall screws or metal fasteners designed explicitly for metal studs. Don’t worry; you can find them at your local hardware store.

What are the Proper Tools and Materials Needed for Drywalling?

The tools you’ll need for drywalling include a drywall saw or knife, utility knife, drywall trowel, drywall mud pan, and sanding tools.

How Do You Properly Cut Drywall?

To cut drywall, I consistently score the surface with a utility knife and snap the board along the scored line. You get an excellent, clean cut that way.

What are the Best Drywall Screws and Anchors to Use?

The best drywall screws are specifically designed for drywall and come in different lengths. They’re usually black. Anchors suitable for drywall include toggle bolts, Molly bolts, and self-drilling anchors.

How Do You Deal with Uneven Walls When Installing Drywall?

Even in a brand-new home, you will run into uneven walls. It’s just the nature of the game. Shimming or furring can be used to level the surface before installation to deal with uneven walls when installing drywall.

What are Fire-Rated Drywall Options?

Fire-rated drywall is often called Type X drywall, which is more fire-resistant than regular drywall, and you can find it at any home and hardware store.

How Do You Install Drywall Over Existing Walls?

To install drywall over existing walls, you’ll need to attach the sheets to the existing wall using drywall screws or nails, then cover the joints and fastener heads with joint compound, and finally, sand and paint the surface.

I always recommend homeowners remove any old drywall materials first; otherwise, you lose floor space.

What is the Best Way to Soundproof Drywall?

You can use soundproofing materials like acoustic insulation, soundproofing drywall, and soundproofing compounds.

How Do You Deal with Moisture and Mold Issues on Drywall?

Moisture and mold issues on drywall can be addressed by identifying the source of moisture, fixing it, and cleaning and treating the affected areas with a mold-resistant solution.

How Do You Remove Drywall Without Damaging the Wall Underneath?

Removing drywall without damaging the wall underneath is essential because you want an excellent surface to install new drywall. So, start by cutting the drywall into smaller pieces, removing the fasteners, and not damaging the framing or any electrical or plumbing behind the drywall.

What are the Common Mistakes to Avoid When Drywalling?

Common mistakes to avoid when drywalling include not adequately securing the drywall, not properly finishing the joints, and not correctly sanding the surface.

How Do You Paint Drywall to Achieve a Professional Finish?

To achieve a professional finish when painting your new drywall, it’s important to prepare the surface by cleaning, filling any holes or cracks, and sanding until it’s smooth.

I always use high-quality paint and primer and apply it in multiple thin coats, allowing each coat to dry before applying the next. Use a paint roller and brush to achieve a smooth finish and a quality paint brush for the corners and edges.

All Finished!

I hope these 21 questions about drywall help you better understand the product and how to work with it. As I mentioned, it’s an essential product with tons of different uses and is super easy to work with.