Key Facts


LePage PL 300 is a high grab, premium grade foam board insulation adhesive specially developed for bonding all types of polystyrene and polyurethane insulation materials. PL 300 exhibits superior bonding to most common building construction materials and is waterproof. For indoor and outdoor use. Unaffected by water, moisture or temperature fluctuations when fully cured. Will not harm foam board if used as directed. 

Product Features:

  • Weather Resistant
  • High Grab
  • Gap-Filling Capabilities
  • No Burn-Through or Foam Board Attack 

Recommended For:

LePage PL 300 is fully compatible with polystyrene and urethane foams, including Styrofoam® SM, Celfort® and white Styrofoam®. Bonds foam to concrete, wood, brick and drywall. Recommended for cold storage unit construction and for blocking below grade exterior applications with foam. For best results one surface should be porous.

For Best Results:

Not suitable for the following applications:

  • Bonding two pieces of foam board (one surface should be porous)
  • Applications requiring temperature resistance greater than 60°C (140°F) 


  • 295 ml
  • 825 ml



Clean Up:

Clean tools and uncured adhesive residue immediately with mineral spirits in a well-ventilated area to the outdoors. Cured adhesive may be carefully cut away with a sharp-edged tool.