Sashco 30-Oz Cartridge Buff Log Jam Chinking Caulk

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30-Oz Cartridge Buff Log Jam Chinking Caulk


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* Estimated stock levels as of Sat, Sep 30, 2023. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

  • Stretches up to 250% of original joint size without tearing - moves with your logs when they move
  • Textured to simulate old-time mortar
  • Easy-to-smooth and cleans up with water
  • Great early water-resistance
  • Wont melt Styrofoam® bead board, no more bumpy, unsightly chink lines
  • Tested by you - used on thousands of homes worldwide since 1985
  • Freeze-thaw stable - ok to leave in your truck or garage overnight


Davy Crockett's log cabin was cozy except that it wasn't. He spent a good amount of time plastering mortar into those chinking joints every year. Old-time mortar cracks and crumbles, allowing in wind, bugs, dust, rain and pollen. That's why Sashco created Log Jam® chinking, the standard in synthetic chinking. Its texture recreates that old-time mortar look while sealing your log home from vermin and wind alike. It stretches and won't let go when your logs move. With Log Jam® chinking, you can keep the cozy feel and rustic look without compromise.



Boiling point 212° F
Color Buff
Compositions Limestone, Ethylene Glycol, Quartz
Container Type Cartridge
Flash Point >212° F
Form Liquid
Net Content 30 oz
Odor/Scent Slight Ammonia
Specific Gravity 1.1
Viscosity 300,000 cPs Dynamic

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