Friday, June 24, 2016

Filling expansion cuts joints for epoxy coating garage floors

Customers constantly ask how to treat expansion cuts for concrete garage floors.  Do they fill them ahead of epoxy coating for a seamless look or do they fill them post coating process for a filled but conspicuous look?  Here are the answers you have been waiting for...


  • Fresh Slab (less than 10 years old) fill post coating with a Self-Leveling Sealant
  • Old Slab (11 or more years old) go seamless, use Xtreme-Set 100
  • Freeze/Thaw Zone (unheated garage) fill post coating with a Self-Leveling Sealant
  • Freeze/Thaw Zone (heated garage) go seamless, use Xtreme-Set 100
  • Below major F/T Zone: go seamless, use Xtreme-Set 100
Here are some pics (1st two are borrowed from THE GARAGE JOURNAL), they show filling these expansion cuts post epoxy coating process and a very neat outcome.  The last photo shows filling ahead of the coating process using a Legacy Industrial epoxy gel crack filler, courtesy of www.epoxyflooringorlando.com .  This method is usually ground flush ahead of the epoxy coatings or Nohr-S Polyurea application.




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