Mirka Polarshine 45 Heavy Cut Compound
From $32.18
250 ml.1 liter2.8 liter17 liter

Mirka Sanding Discs & Abrasives for Boats

Mirka discs and systems for marine sanding—gelcoat leveling, fairing blend, and paint prep with dust-extraction-friendly cut. Spec’d for pro detailers and fiberglass repair techs.

1) Gelcoat & marine paint restoration

  • Abranet and related discs that resist loading in humidity
  • Grit progressions from fairing to finish sand
  • Interface pads and backup systems for consistent contact

2) Fiberglass repair & fairing

After filler and fairing compound, Mirka grit steps blend the repair edge into surrounding gelcoat before polish.

3) Yard repair bays

Yards running haul-out sanding tickets stock Mirka for predictable cut rates across crews—fewer swirl traps before the polish aisle.

Ships nationwide · Free US shipping over $200 · Or pick up at MDSC Fort Myers (Jetport).