Liquidation Sale

Cobblecrete

Hardeners: now $19
a bucket (16lb)
Limited Colors

Releases: now $30
a bucket (30lb)

Limited Colors

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Sale of the Month

ZIPLEVEL PRO-2000

$899 NOW $799

Ziplevel is rugged, high tech, labor saving alternative to builder's optical or laser levels. It displays elevation directly, sees around obstructions, needs just one operator and has powerful built-in functions designed to boost profits on the job site

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Evaporation Retardant or Evaporation Retarder Guide

“A long chain organic material such as cetyl alcohol which, when spread on a water film on the surface of concrete, retards the evaporation of bleed water.”

What Evaporation Retardants are not:

  • Concrete surface retarders
  • To be used in the final finishing operations
  • “..not to be used for the purpose of making it easier to finish concrete surfaces (materials designed for such purpose are often referred to as finishing aids)...”


When to use an evaporation retardant:

  • When it is windy or breezy
  • When the humidity is low
  • When in direct sunlight
  • When using a low w/cm concrete
  • When placing dry-shake hardeners
  • When placing concrete with silica fume/micro silican

 


J-74 Sure-Film: Sure Film is a proprietary emulsion of unique organic compounds designed to minimize moisture loss from fresh concrete.



Guide to evaporation retardants