Heyco® Insulation Plug
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Heyco® Insulation Plug

No Maximum Panel Thickness


  • Closes cavity-fill insulation holes in wood and other type siding.
  • Fills holes in surfaces of unspecified thickness including cabinetry, furniture, display cases– even masonry.
  • Convex, matte finish head blends with various surfaces.
  • Quick and easy installation with fingertip pressure (no tool required).
  • Holds securely in hole.

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