Creating a quiet space can be challenging if your room lacks a door. Whether it’s an open doorway, an archway, or a partitioned area, noise can easily travel in and out. Fortunately, there are several effective ways to soundproof a room and block unwanted sound and improve privacy without installing a door.
1. Use Soundproof Curtains or Blankets
Heavy, dense curtains or blankets can act as a temporary sound barrier. Acoustic curtains, designed to absorb sound, work best and can be hung across the doorway. Moving blankets are another budget-friendly option.
2. Install a Room Divider with Soundproofing Properties
Folding screens or sliding partitions with soundproofing materials, such as mass-loaded vinyl (MLV) or acoustic foam, can help block noise while maintaining flexibility in your space.
3. Hang Acoustic Panels or Foam
Attaching acoustic panels or foam around the doorway helps absorb sound waves and reduce echoes. Placing them on walls adjacent to the opening further enhances soundproofing.

4. Use a Bookshelf or Heavy Furniture
Positioning a tall bookshelf or a heavy cabinet across or near the opening can help act as a physical sound barrier. Filling the shelves with books and soft materials enhances noise absorption.
5. Apply a Soundproofing Sheet or MLV
Mass-loaded vinyl (MLV) is a dense material designed to block sound. You can hang an MLV sheet over the opening or attach it to a curtain rod for a removable solution.
6. Add Weatherstripping and Draft Stoppers
If noise is leaking through small gaps, using weatherstripping tape around the doorway’s edges can help seal sound leaks. Placing a draft stopper at the bottom also minimizes noise transfer.
7. Use White Noise Machines or Sound Masking
While not a direct soundproofing method, white noise machines or soft background music can help mask unwanted sounds, making them less noticeable.
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Conclusion
Even without a door, you can effectively reduce noise with creative soundproofing solutions. Whether using curtains, panels, or furniture, these methods help improve privacy and create a quieter space.