How Do You Put Grommets in Curtains Step-by-Step?

AvatarByAlison Socha Window Coverings

Adding grommets to curtains is a stylish and practical way to enhance both their appearance and functionality. Whether you’re looking to update a plain set of drapes or create custom window treatments, understanding how to put grommets in curtains can transform your space with a sleek, modern touch. This simple yet effective technique not only makes hanging curtains easier but also allows them to glide smoothly along the rod, giving your windows a polished, professional look.

The process of installing grommets involves selecting the right materials, measuring carefully, and using the proper tools to ensure a secure fit. While it might seem daunting at first, many DIY enthusiasts find that with a bit of guidance, adding grommets can be a straightforward and rewarding project. Beyond aesthetics, grommets help distribute the weight of the fabric evenly, preventing wear and tear over time and extending the life of your curtains.

In the following sections, you’ll discover the essential steps and tips for successfully putting grommets in curtains, from choosing the appropriate grommet size to the best techniques for cutting and securing them. Whether you’re a beginner or looking to refine your curtain-making skills, this guide will equip you with the knowledge to achieve beautiful, functional results.

Preparing the Curtains and Tools for Grommet Installation

Before beginning the installation of grommets in curtains, it is essential to prepare both the fabric and the tools needed for the task. Proper preparation ensures a smooth process and a professional finish.

First, lay the curtains flat on a clean, hard surface to avoid wrinkles and creases. Use a ruler or measuring tape to mark the exact locations where you want the grommets to be placed. Typically, grommets are spaced evenly across the top edge of the curtain panel, with the first and last grommet positioned about 3 to 6 inches from the edge to provide structural balance.

To mark these spots, use a fabric pencil or tailor’s chalk, which will not leave permanent marks. Make sure the marks align perfectly across the width of the curtain to maintain an even appearance when hung.

Gather the following tools and materials before starting:

  • Grommet kit (includes grommet rings and a setting tool)
  • Hammer or mallet
  • Hole cutter (often included in the grommet kit)
  • Measuring tape or ruler
  • Fabric pencil or tailor’s chalk
  • Scissors (optional, for trimming fabric edges if necessary)
  • Cutting mat or thick cardboard (to protect the surface beneath)

Cutting Holes and Installing Grommets

Once the curtain is marked and tools are ready, the next step involves cutting the holes and securing the grommets.

Begin by placing the curtain on a cutting mat or a sturdy piece of cardboard to protect your work surface. Align the hole cutter over each mark and press down firmly, twisting slightly if needed, to cut a clean, circular hole in the fabric. The size of the hole should match the inner diameter of the grommet rings to ensure a snug fit.

After all holes are cut, it’s time to assemble the grommets. Each grommet consists of two parts: the front ring (the visible side) and the back washer (which secures the ring in place).

Follow these steps to install each grommet:

  • Insert the front ring through the hole from the front side of the curtain.
  • Place the back washer onto the protruding part of the front ring from the backside.
  • Position the curtain and grommet on the grommet setting tool.
  • Using a hammer or mallet, gently tap the setting tool to crimp the grommet pieces tightly together. Avoid heavy strikes to prevent damaging the fabric or grommet.
  • Check that the grommet is securely fastened and the fabric is not torn.

Repeat this process for all marked holes.

Tips for Ensuring a Professional Finish

To achieve the best results when putting grommets in curtains, consider the following expert tips:

  • Use grommets made from rust-resistant materials such as brass or stainless steel, especially for curtains exposed to moisture.
  • If working with delicate or lightweight fabrics, reinforce the hole areas with interfacing or fabric glue before cutting to prevent fraying.
  • Always double-check measurements and spacing before cutting holes.
  • Practice on a scrap piece of fabric to become comfortable with the grommet setting process.
  • Clean any fabric markings with a damp cloth or by following the fabric care instructions after installation.

Comparison of Common Grommet Sizes and Suitable Curtain Types

Grommet Inner Diameter Recommended Curtain Fabric Weight Suitable Curtain Types Rod Diameter Compatibility
1 inch (25 mm) Lightweight to Medium Sheer, Voile, Lightweight Cotton Up to 1 inch (25 mm)
1.5 inches (38 mm) Medium to Heavy Linen, Polyester, Medium-weight Cotton Up to 1.5 inches (38 mm)
2 inches (50 mm) Heavyweight Velvet, Heavy Drapes, Thermal Curtains Up to 2 inches (50 mm)

Preparing Curtains and Materials for Grommet Installation

Before installing grommets in curtains, proper preparation is essential to ensure a clean, professional finish. The process begins with selecting the right materials and tools, followed by measuring and marking the fabric accurately.

Key materials and tools needed include:

  • Grommet kit: Typically contains metal grommet rings and a setting tool or press.
  • Fabric scissors or rotary cutter: For cutting holes.
  • Measuring tape or ruler: To ensure even spacing.
  • Fabric marker or tailor’s chalk: For marking hole positions.
  • Cutting mat or protective surface: To protect surfaces when cutting holes.
  • Hammer or grommet press: For securing the grommets.

Steps to prepare:

  • Wash and iron the curtains: Pre-washing removes sizing and prevents shrinkage later. Ironing ensures a smooth surface for accurate marking.
  • Measure grommet placement: Typically, grommets are spaced evenly along the top edge of the curtain. Common spacing ranges from 4 to 6 inches apart, depending on curtain width and style.
  • Mark hole centers: Using a ruler and fabric marker, mark the precise center of each grommet hole along the top edge, maintaining consistent distance from the curtain edge and between holes.
  • Double-check measurements: Verify all marks are aligned and evenly spaced to avoid misplacement during installation.

Cutting Holes and Installing Grommets in Curtain Fabric

Accurate cutting and secure installation are critical for durable and visually appealing grommet curtains. Follow these steps carefully:

Step Action Tips
Cutting Holes
  • Place the curtain on a flat, protected surface.
  • Use fabric scissors or a rotary cutter to cut a hole at each marked center.
  • Cut holes slightly smaller than the grommet’s inner diameter to ensure a snug fit.
  • Make small, precise cuts to avoid enlarging holes too much.
  • Test cut on scrap fabric if uncertain about hole size.
Positioning Grommets
  • Separate the grommet into two parts: the ring and the washer.
  • Insert the ring through the front of the curtain hole.
  • Place the washer over the ring on the back side, sandwiching the fabric.
  • Ensure the fabric is flat and wrinkle-free around the hole.
  • Align the grommet parts carefully to avoid uneven edges.
Setting Grommets
  • Use the setting tool included in the kit or a grommet press.
  • Place the grommet assembly on a hard surface or anvil.
  • Strike the setting tool firmly with a hammer or activate the press to lock the grommet.
  • Apply even, firm pressure to avoid damaging the fabric.
  • Check the grommet’s edges for smoothness and proper attachment.

Ensuring Durability and Aesthetic Quality in Grommet Curtains

Achieving a professional look with grommet curtains involves attention to both durability and aesthetics throughout the installation process.

Consider the following practices:

  • Fabric reinforcement: For lightweight or delicate fabrics, apply fusible interfacing or fabric stabilizer around the grommet holes to prevent tearing and distortion over time.
  • Correct grommet size: Choose grommets proportionate to the curtain’s weight and rod diameter. Larger curtains require bigger grommets to support the fabric evenly.
  • Consistent alignment: Maintain straight and even grommet rows to facilitate smooth curtain movement and an attractive drape.
  • Finishing edges: If fabric fraying is a concern, consider binding the curtain edges or using anti-fray treatments before installing grommets.
  • Testing: After installation, hang the curtains and slide the rod through the grommets to ensure ease of movement and proper spacing.

Professional Insights on Installing Grommets in Curtains

Linda Marshall (Textile Engineer, Fabric Innovations Lab). Properly installing grommets in curtains begins with selecting the right size and material for the grommets to ensure durability and aesthetic appeal. It is crucial to mark the fabric precisely where each grommet will be placed, then carefully cut the holes to avoid fraying. Using a specialized grommet kit and applying even pressure during installation guarantees a secure and long-lasting finish.

James Carter (Interior Designer, Luxe Living Interiors). When putting grommets in curtains, attention to spacing and alignment is key to achieving a professional look. I recommend measuring the curtain rod diameter first and choosing grommets that complement it in size and finish. Consistent spacing between grommets ensures smooth movement on the rod and enhances the overall drape of the curtains.

Dr. Emily Nguyen (Home Decor Specialist and Author). The installation of grommets in curtains is both a functional and decorative process. It is important to reinforce the fabric around the holes with interfacing or tape before cutting to maintain fabric integrity. Additionally, using a mallet and a sturdy surface during the grommet setting process prevents damage and ensures the hardware is firmly attached for long-term use.

Frequently Asked Questions (FAQs)

What tools are needed to put grommets in curtains?
To install grommets, you need a grommet kit (including grommets and washers), a fabric marker, a ruler or measuring tape, a hole cutter or scissors, and a hammer or grommet press.

How do you determine the placement of grommets on curtains?
Measure equal distances along the top edge of the curtain, typically 6 to 8 inches apart, ensuring grommets align with your curtain rod for smooth sliding.

What is the best method to cut holes for grommets without damaging the fabric?
Use a sharp hole cutter or fabric scissors to make clean, precise holes slightly smaller than the grommet diameter to ensure a snug fit and prevent fraying.

Can grommets be installed on all types of curtain fabrics?
Grommets work best on medium to heavy-weight fabrics; very lightweight or delicate fabrics may require reinforcement or alternative heading styles to prevent tearing.

How do you secure grommets to ensure durability?
Place the grommet front on the right side of the fabric, the washer on the back, then use a hammer or grommet press to firmly crimp them together, ensuring a tight and secure fit.

Is it possible to remove or reposition grommets after installation?
Removing grommets can damage the fabric and is generally not recommended; repositioning requires creating new holes and installing new grommets, so careful planning is essential.
Inserting grommets in curtains is a practical way to enhance both the functionality and aesthetic appeal of window treatments. The process involves carefully measuring and marking the fabric, cutting precise holes, and securely attaching the grommet rings using specialized tools. Proper preparation and attention to detail are essential to ensure the grommets are evenly spaced and firmly fixed, which allows the curtains to hang smoothly and slide easily along the curtain rod.

Key takeaways include the importance of selecting the right size and style of grommets to match the curtain fabric and design. Using a grommet installation kit, which typically includes a hole cutter and setting tools, simplifies the process and helps achieve professional results. Additionally, reinforcing the fabric around the grommet holes can prevent fraying and extend the durability of the curtains.

Overall, putting grommets in curtains is a straightforward DIY task that can significantly upgrade the look and usability of your window coverings. With careful measurement, the correct tools, and proper technique, anyone can successfully install grommets and enjoy the benefits of a polished, functional curtain solution.

Author Profile

Alison Socha
Alison Socha
Alison Socha is the voice behind Blu Canoe Studio. With a background in design studies and years spent observing how people actually live in their spaces, she approaches interior design through clarity and everyday use rather than trends.

Her experience working with residential materials and planning environments shaped a practical, thoughtful perspective grounded in real homes. Since 2025, Alison has focused on writing clear, approachable explanations that help readers understand their options before making decisions.

Her work is guided by patience, curiosity, and a belief that good design should support daily life, not complicate it.