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Oakum caulking is made with bentonite, an inorganic compound that expands over 10 times its volume when wet. It is clean from knots and yarns, is long stranded and has no lumps or ends of sacking. Oakum is the best choice for caulking wide gaps in planking.

  • The original Oakum with benonite-expands over 10 times when wet.
  • Baled in coils or cut length for easy use
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Manuals (1)
Diameter (Inches):
Length (Inches):
16 oz.
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