Dayton Superior AquaFilm Concentrate J74 is a water-based evaporation retardant in a 5 gallon pail, diluted 9 to 1, for concrete finishing in hot or windy weather. The film slows moisture loss during finishing so plastic shrinkage has less time to open.
Dayton Superior AquaFilm Concentrate J74 is a water-based evaporation retardant for fresh concrete finishing. It is used on hot, windy, or low-humidity placements to slow surface moisture loss and reduce plastic shrinkage cracking. This 5 gallon pail dilutes 9 to 1 with potable water. After dilution, coverage is about 200 to 400 sq ft per gallon. A blue fugitive dye shows coverage, then fades.
| Property | Value |
|---|---|
| Chemistry | Water-based evaporation retardant concentrate |
| Dilution | 9 parts water to 1 part concentrate |
| Coverage after dilution | 200 to 400 sq ft/gal |
| Yield | 1 gal concentrate makes 10 gal finished |
| VOC | Less than 50 g/L |
| Dye | Blue fugitive, fades |
| Pack | 5 gallon pail |
| Product code | 69731 |
| Shelf life | 12 months; keep from freezing |
| Apply | After screeding, as a fine mist |
Product documents: Dayton Superior AquaFilm Concentrate J74 Data Sheet (PDF)
What finishing work is Dayton Superior AquaFilm J74 used on?
Fresh concrete flatwork in hot, windy, low-humidity, or heated-interior conditions, including silica-fume mixes and shake-on hardeners.
What pail size is Dayton Superior AquaFilm J74?
This listing is the 5 gallon pail, code 69731. Dilute 9 parts potable water to 1 part concentrate.
What coverage does Dayton Superior AquaFilm J74 typically give?
About 200 to 400 sq ft per gallon after dilution. One concentrate gallon makes 10 gallons of finished spray.
What dye does Dayton Superior AquaFilm J74 have?
A blue fugitive dye for coverage checks. The color fades and does not stain the concrete.
What VOC content does Dayton Superior AquaFilm J74 have?
Less than 50 g/L. The concentrate is water based and has no odor.
What re-spray does Dayton Superior AquaFilm J74 allow?
In severe drying, a second mist can go down between finishing passes. Place it after screeding with a low-pressure sprayer.
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