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1 Window Insulation Kit

Indoor Shrink Window Insulation Kit 42" x 62"

Experience a cozy and energy-efficient home with our Indoor Shrink Window Insulation Kit 42" x 62" from Randall Manufacturing Co., Inc WK series. This kit, featuring a 1.5mil clear plastic sheet, offers seamless installation and exceptional insulation, ensuring a snug fit without wrinkles.

Key Features:

  • Effortless Shrinkage: The 1.5mil clear plastic sheet in each kit shrinks tight and without wrinkles with the simple use of an ordinary hairdryer, providing a crystal-clear view and effective insulation.
  • Versatile Compatibility: Easily install the window kits on metal, painted, wood, varnished wood, or vinyl-clad. Window frames using the double-face tape provided, ensuring compatibility with various window types.
  • Generous Size: kit includes 1 piece of  42" x 62" sheet, providing ample coverage for your windows. The double-sided tape is included for a hassle-free installation process.


  • Enhanced Insulation: The thicker 1.5Mil plastic ensures superior insulation and minimizes heat loss, surpassing many major brands in performance.
  • Durability and Ease: Our product is highly durable, ensuring long-lasting performance, and its user-friendly design makes it exceptionally easy to install.

Transform your living space into a haven of warmth and energy efficiency with the Indoor Shrink Window Kit by Randall Manufacturing Co., Inc WK series. Say goodbye to drafts and heat loss, and enjoy a more comfortable home. Experience the unmatched quality and convenience of our window insulation solution today.

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