Shop Door apron
- Thread starter man00
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Rustyiron
Super Member
There's very little "pouring" with 80# bags 
Mostly mixing.
Mostly mixing.
RNeumann
Elite Member
Yep I'm with your Lowes employee- wrong. It uncommon to mix units of measure which I assume what caught us. You guys who did catch this are right on- it isn't that many bags.
Sorry for adding to the confusion.......120"x30"x4" may help us construction folks.
Al 2
Gold Member
I came up with same answer as Hawkeye. 8.33 cu Ft. Around here I think the bags are 0.5 cu ft. so that means 16.7 bags. Possibly the guy at Lowes misplaced a decimal point and thought it was 167 instead of 16.7.
Al
Al
RedNeckRacin
Elite Member
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Don't add as much water as you think you need if that makes any sense. Mix in a little water at a time, you do not want soup as that makes much weaker concrete. I will suggest finding the biggest mechanical mixer that you can find instead of mixing in a wheel barrow or a mud tub. :thumbsup: I would plan on adding in some rebar to help keep things together.
EddieWalker
Epic Contributor
Do not get 80 pound sacks, they wear you out. Get the smaller sized one, either 50 or 60 pounds each. They are within a penny per pound of each other and the difference in handling them is night and day. Two 80 pound sacks is what my concrete mixer can handle, so I put in three of the smaller sized sacks. It's all in the picking them up, cutting them open and then pouring them into the mixer that adds up to a lot of work when it can be done a lot easier with smaller sacks.
boomer1025
Platinum Member
Drill the floor slab and installed 3/8 rebar to tie the apron to the floor. This way the apron won't heave up in the winter.
randyswanner
New member
y'all better listen to the man at Lowe's I ain't done know figuring but I bet he closer than y'all **** it takes 3bags to do a fence post. sta dad concrete is 5300 to 6000 # a yard lightwight is at least 3 000 a yard is 27 cubic ft 10 ×2.5=25 sq ft ,÷ 3=to 8 and 1/3 cu ft so about a third of a yard without a footing lightweight would be about a 1000# ÷ 80= about 13 bags I first read that at 30 ft instead of in which is probably what he figured
rustyshakelford
Veteran Member
I literally have no idea what your saying.
Op, if it's not to much trouble, I would consider making the apron maybe a scunch wider. Anything that reduces the angle helps especially with mower decks getting hung up.
Brett
EddieWalker
Epic Contributor
One more thing to add. It's very rare to have the depth correct when estimating. Most seem to dip down a fair amount, which requires more material. If the online calculator says you need 14 sacks, get 16.
