How to insulate windows from noise

Written by steve bradley
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How to insulate windows from noise
Soundproof your window. (Red brick and white curtains image by MPfoto from

Everyone needs a good night's sleep. Unfortunately many of us live in areas where the ambient noise from outside can prevent that. One way to protect your room from noise pollution is to soundproof the windows. While making a room completely silent may not be possible, you should be able to mask or muffle the vast majority of noise coming from the outside with a few simple steps.

Skill level:

Things you need

  • Window caulk
  • Room-darkening shades
  • Foam
  • Insulated curtains

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  1. 1

    Seal the windows by purchasing and applying a standard caulk around the window seams. Not only does this product keep down your heating costs, but it will also block some of the noise bleeding through the windows.

  2. 2

    Hang room-darkening shades by removing any vertical or horizontal blinds and replacing them with a standard window shade. The room-darkening varieties are thick and, therefore, will block more of the sound.

  3. 3

    Apply foam covers to the windows. Measure the dimensions of the window -- height and width. Then use a utility knife to cut the foam to size. Carefully place foam into the window frame. Leave some space between the foam and the glass; this empty air pocket will further insulate the window from sounds.

  4. 4

    Put up insulated curtains. The final protection against ambient noise disturbing your sleep is a heavy, flannel-backed curtain. Measure correctly and buy enough material to cover and overlap the window on all four sides.

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