KOOL-ROD – Backer Rod for Cold-Applied Sealants

KOOL-ROD is a closed cell, polyethylene, flexible, rope-like foam joint backing material. This material is virtually non-absorbent and chemically inert to most solvents. KOOL-ROD will not stain or adhere to sealant materials. It is fully compatible with acrylic, butyl, polyurethane, polysulfide, silicone, and most other cold-applied sealant compounds. KOOL-ROD is specifically designed as a compressible backing material to be used in conjunction with a wide variety of cold-applied joint sealants.

  • Controls depth of sealant/Ensures proper joint design ratio.
  • Forces sealant against joint sidewalls/Provides maximum sidewall adhesion.
  • Sealants will not adhere to KOOL-ROD/ Eliminates three-sided joint adhesion failure.
  • Closed-cell foam technology/Does not allow air or moisture entrapment.
  • Easily compressible, lightweight/Installs quickly, stays in place.
  • Easy to handle, smaller packaging/Added contractor convenience.
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