Pouring Forms



  • Am planning to pour a form seven feet in length, 20 inches tall and 30 inches wide with a 4 inch wall. Will use 40 gallon batches. Can anyone tell me how much time it takes for the aircrete to begin setting up. I figure it will take about a half hour between batches with a total of about 4 to 5 batches needed. I'm used to working with aggregate concrete but not sure if this stuff sets up quicker. Appreciate any help.


  • Major Contributor

    You don't have to wait for it to begin setting up. Just continue to pour your aircrete till you fill your form. You can pour up to 8 feet tall at a time. As for setting time about 6-7hrs before it begins to firm up depending on the weather in your area.

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  • Thank you for your reply. Very helpful. I was more concerned that it would start to set up before I finished filling the entire form so a three or four hour window is more than enough. Will be doing this in 60 to 70 degree weather so should have plenty of time. Appreciate your help.