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Unread 01-17-2017, 10:21 AM   #2
Todd Groettum
Join Date: Nov 2016
Location: Great White North
Posts: 275
get 5 80# bags of sand mix..400 lbs should be plenty with 30+ s/f ( you might get by with 4 but get 5)....that long run should run an 1/8" per foot of slope minimum...Your slope will be a bit more severe on the short end which is one of the downsides of this type setup and why so many are going to Trench drains with the larger showers...

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