Heyco Plugs Insulation Plugs
Insulation Plug

Material: Nylon 6/6

Flammability Rating: 94V-2

Temperature Range: -40°F to 221°F (-40°C to 105°C)

  • 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.
  • Holds securely in the hole.
  • Quick and easy installation with fingertip pressure (no tool required).
Heyco® Insulation Plugs
No Maximum Panel Thickness
Panel Dimensions Part Number Description Part Dimensions
Hole Diameter
Color A
Head Diameter
Overall Height
in. mm. in. mm. Black White in. mm. in. mm.
No Max. 1.00 25,4 3149 3150 IPW 1 1.234 31,3 .687 17,5