How to Tape and Mud Drywall around Windows: The Easiest Way to Get a Professional Finish

Last Updated on October 2, 2023

Drywall is a popular material for home construction because it’s cheap, easy to install, and looks good. However, one downside of drywall is that it can be difficult to get a professional-looking finish around windows.

The fact is, drywall is a somewhat finicky material. So, it’s easy to mess up the finish around windows, which can be both unsightly and difficult to fix. 

Many people try to avoid taping and mudding drywall around windows because it can be a challenging job. Often, they will just leave the drywall unfinished or patch it with a joint compound which can lead to an inferior finish.

In this article, we will show you how to tape and mud drywall around windows. We will also give you some tips on how to avoid common mistakes. By following our simple steps, you can learn how to tape and mud drywall around windows like a pro. This will give you a smooth, finished look that will last for years.

How to Tape and Mud Drywall Around Windows

You’ll Need:

Before you get started, you will need a few supplies:

• Tape measure
• Circular saw
• Plywood
• Ruler or a straight edge
• High-density foam roller
• Paintbrush
• Joint compound
• Knife
• Drywall screws
• Strap clamp
• Crowbar
• Chisel

How to Do It

If you’re looking to learn how to tape and mud drywall around windows like a pro, you’ve come to the right place. In this article, we will show you how to do it step-by-step. Let’s get started.

Prepping the Window for Tape and Mud

The first step is to prep the window for tape and mud.

1. Remove the trim and sand down any rough edges.
2. You will also need to fill in any holes or cracks with putty.

Measure and Cut the Drywall

1. Measure the window opening and cut the drywall to size using a circular saw.
2. If the drywall is not square, use a ruler or a straight edge to draw a line across the drywall that is perpendicular to the longest side of the window opening.
3. Cut along the line using a chisel and a hammer.
4. Repeat steps 1-3 for the other side of the window opening.

Install the Plywood

1. If you are not using pre-made drywall corners, install a piece of plywood around the window opening using drywall screws.
2. The plywood should be flush with the inside edge of the window opening.
3. If the plywood is not flush, use a chisel and a hammer to adjust it until it is.

Tape the Drywall

1. Apply a thin layer of joint compound to the inside edge of the window opening using a paintbrush.
2. Apply tape to the drywall using a high-density foam roller.
3. Start by cutting a piece of tape that is about 2 inches longer than the seam.
4. Then, fold the tape in half so that the adhesive is on the inside.
5. Press the tape into the joint compound using a roller.
6. Apply a second thin layer of joint compound to the inside edge of the window opening.
7. Smooth out the joint compound with a drywall knife.

Mud the Drywall

1. Apply a thin layer of joint compound to the entire window opening using a high-density foam roller.
2. Smooth out the joint compound with a drywall knife.
3. Allow the joint compound to dry overnight.
4. Repeat steps 1-3 for the other side of the window opening.

Sand the Seams of the Drywall

1. Sand the joint compound using a sanding block
2. Start with a coarse grit sandpaper and work your way up to a finer grit.
3. Make sure to sand the seams evenly. Apply a final thin layer of joint compound to the entire window opening.
4. Smooth out the joint compound with a drywall knife.
5. Allow the joint compound to dry overnight.

Prime and Paint the Area Around the Window

1. Prime and paint the area around the window using a paintbrush.
2. Make sure to get into all the nooks and crannies.
3. Allow the primer and paint to dry overnight.
4. Repeat steps 1-3 for the other side of the window opening.

Apply Trim to the Window

1. Apply trim to the window using a strap clamp.
2. Make sure to get into all the nooks and crannies.
3. Apply a second coat of trim if necessary.
4. Allow the trim to dry overnight.
5. Repeat steps 2-4 for the other side of the window opening.

Tips for Taping and Mudding Drywall Around Windows

Now that you know how to tape and mud drywall around windows, you can do it yourself with ease! Remember to follow these tips for the best results:

• Adjust drywall flush with the window edge using a chisel and hammer.
• Press down any bubbled tape with a roller.
• Wait for the joint compound to dry fully before sanding.
• Apply a thin layer of joint compound to the window opening.
• Correct mistakes with a damp cloth.
• Let the compound dry overnight before sanding.
• Ensure pre-made drywall corners are correctly installed.
• Attach trim using a strap clamp; adjust with a chisel if not flush.
• Apply a second coat of trim if needed and let it dry overnight.
• If not using pre-made corners, fix plywood flush with the window opening.
• Adjust plywood with a chisel if needed.
• Apply joint compound to the window’s inside edge with a brush.
• Tape the drywall using a foam roller and press it into the compound.

FAQs

How Do I Adjust the Drywall so it’s Flush With the Window Opening?

Using a chisel and hammer, gently chip away excess drywall. Continually check to ensure it aligns well with the window frame.

How Do I Get Rid of Bubbles in the Tape?

To eliminate bubbles, firmly press a roller or taping knife over the affected area. Ensure the tape adheres smoothly.

What Type of Trim Should I Use?

Choose a trim that complements the room’s design. Ensure it’s flush with the window opening for a seamless appearance.

Can I Sand the Joint Compound Before it Dries?

No, always allow the joint compound to dry fully, typically 24 hours, before sanding to achieve a smooth finish.

What Type of Primer and Paint Should I Use?

Opt for a quality primer designed for drywall. For paint, select one that matches the room’s purpose and look.

Can I Install Pre-Made Drywall Corners?

Yes, pre-made corners are convenient. Ensure proper installation by following the manufacturer’s guidelines.

How Do I Make Sure the Trim is Flush With the Edge of the Window Opening?

Adjust the trim using a chisel and hammer. Check frequently to ensure it’s flush and straight.

What Should I Do if I Make a Mistake?

For joint compound errors, wipe away with a damp cloth if wet, or sand if dried. Always aim for precision and patience.

Final thoughts

So there you have it your complete guide on how to tape and mud drywall around windows like a pro. Now your home improvement projects will be easier than ever.

By following these simple steps, you’ll be able to get a beautiful, finished look that will last for years. Just remember to follow our tips for the best results. We guarantee you’ll be happy with the finished product!

Thanks for reading! We hope this article was helpful. For more home improvement tips and tricks, be sure to check out our blog.

Have a great day!