How to Stop Light from Coming Through Curtains: Fast-Track Guide to Block Out Unwanted LightSarah ThompsonJan 19, 2026Table of Contents1. Use Curtains with a Liner2. Add Curtain Weights3. Use Curtain Clips or Hooks4. Install a Rod with a Wraparound Design5. Opt for Blackout Shades6. Install a Valance7. Choose the Right FabricFAQFree Smart Home PlannerAI-Powered smart home design software 2025Home Design for FreeIf you struggle with light coming through the tops of your curtains, you’re not alone. Many homeowners face this issue, especially in bright bedrooms or living rooms where sunlight interrupts sleep. But don’t fret! There are several effective strategies to stop light from sneaking in at the top of your curtains.1. Use Curtains with a LinerOne of the best ways to block light is by installing lined curtains. These curtains feature an additional layer that helps to reduce light penetration. When selecting lined curtains, ensure they extend slightly beyond the window frame to cover any gaps where light might seep in.2. Add Curtain WeightsAdding weights to the bottom of your curtains can help them hang better and reduce gaps at the top where light may come through. This can be as simple as sewing in weights or purchasing ready-made weighted curtains. A well-draped curtain is much less likely to let light through.3. Use Curtain Clips or HooksUsing curtain clips or hooks can provide a tighter fit at the top of your curtains. These accessories help secure the curtain fabric against the wall or window frame, limiting light leakage. Ensure the clips are spaced evenly to maintain a clean look.4. Install a Rod with a Wraparound DesignConsider using a curtain rod designed to wrap around corners. This type of rod not only gives a polished appearance but also brings the curtains closer to the wall, effectively blocking light from entering around the edges.5. Opt for Blackout ShadesIf curtains alone are not doing the trick, consider adding blackout shades behind your curtains. These shades are designed to completely block out light and can be a game-changer for creating a darkened space without sacrificing style.6. Install a ValanceA decorative valance placed above your curtains can also help block light from entering through the top. By covering the space between the curtain rod and window frame, a valance can create a seamless look while minimizing light leakage.7. Choose the Right FabricThe type of fabric you choose can significantly impact light filtration. Thicker, heavier materials tend to block light more effectively than lighter fabrics. Velvet or thick cotton are excellent choices that blend aesthetic appeal with functionality.FAQQ: What are the best types of curtains to block out light?A: Lined curtains, blackout curtains, and heavy fabric drapes are excellent choices for blocking out light.Q: How can I make my curtains block light better?A: Use clips to secure the fabric, add weights to the bottom, or layer them with blackout shades for better light blocking.Home Design for FreePlease check with customer service before testing new feature.