Quarter round molding is a finishing touch that adds a polished look to baseboards, giving them a seamless transition to the floor. Using a nail gun to attach quarter round molding is not only efficient but also ensures a secure and professional installation. In this guide, we’ll walk you through the steps to properly nail quarter round molding using a nail gun.

Tools and Materials Needed:
Before you begin, gather the following tools and materials:

1. Quarter round molding: Measure and cut it to the required lengths.
2. Nail gun: Choose one appropriate for finish nails or brads (18-gauge nail gun is commonly used).
3. Finish nails or brads: Typically 1 to 1.25 inches in length, depending on the thickness of the quarter round.
4. Safety glasses: Always prioritize safety when working with power tools.

Step 1: Measure and Cut the Quarter Round
Measure the lengths of quarter round molding needed for your project and use a miter saw or coping saw to make precise cuts at the appropriate angles, such as 45-degree angles for corners.

Step 2: Position the Quarter Round
Place the cut pieces of quarter round molding along the baseboard, ensuring they fit snugly against the wall and the floor. Check for gaps and make any necessary adjustments.

Step 3: Load the Nail Gun
Load the nail gun with finish nails or brads of the appropriate length. Consult your nail gun’s user manual for specific loading instructions.

Step 4: Position and Angle
Hold the nail gun at a slight angle, approximately 15 degrees, and position it so that the nail will penetrate the quarter round molding and go into the baseboard or wall stud beneath.

Step 5: Nail Placement
Begin nailing by aiming for the center of the quarter round molding and spacing the nails approximately every 12 to 16 inches along its length. Avoid placing nails too close to the edge of the molding to prevent splitting.

Step 6: Nail Depth
Ensure that the nails are driven slightly below the surface of the quarter round to allow for wood filler or putty. This creates a smooth, finished appearance.

Step 7: Repeat for All Sections
Repeat the nailing process for each piece of quarter round molding, paying careful attention to achieving tight, gap-free joints at the corners.

Step 8: Fill Nail Holes
Once all the quarter round is attached, fill the nail holes with wood filler or putty. Sand the filled holes after the filler has dried for a seamless finish.

Conclusion:
Using a nail gun to secure quarter round molding is a quick and efficient way to achieve a professional-looking finish for your baseboards. By following these steps, you can ensure a secure installation that enhances the aesthetic appeal of your room. Always prioritize safety when using power tools and take your time to ensure precise cuts and nail placements.