Lowes: 60lb concrete mix $2, 80lb $3.90

[JEDI]

60lb: http://www.lowes.com/pd_10387-286-110160_4294858248__?productId=3006078&Ns=p_product_price|0

80lb: http://www.lowes.com/pd_10385-286-110180_4294858248__?productId=3006075&Ns=p_product_price|0

confirmed instore so it's not just a website error.
weird pricing...

and didnt know a 60lb bag only does 1/2 sq foot x 2" thick?
Would have figured ALOT more coverage since the bag is bigger than that plus you're adding water.

 

[rcpratt]

The 80lb is $3.65 for me. Not that it matters.

 

[IronWing]

Anything 70lb+ seems to get extra shipping/handling charges.

 

[SearchMaster]

I noticed the same thing at Home Depot yesterday but I didn't look closer to see if the 60# was quick set or something like that.

 

[highland145]

and didnt know a 60lb bag only does 1/2 sq foot x 2" thick?
Would have figured ALOT more coverage since the bag is bigger than that plus you're adding water.

2" thick concrete pour will cover 2.6 sq.ft. I think that's the min area recommended, .45'. Craps still heavy.

 

[edro]

I remember being amazed at how many bags I needed when I had to fill the 20 pier holes for my deck.
There isn't much water in there, so what you see dry is pretty much what you get volume-wise.

It took 2 loads in my truck, with the springs about fully compressed.

 

[JEDI]

hm.. just add water? no mixing needed?
http://www.quikrete.com/athome/Video-Setting-Posts.asp

wonder if that method will work w/the $2 kwikcrete in my OP?

 

[Zargon]

yeay been there done that 3 years ago, fence still standing


also home depot is showing me the same price as lowes

 

[LTC8K6]

I get $3.27 and $3.95 at your links for my area...

 

[jupiter57]

hm.. just add water? no mixing needed?
http://www.quikrete.com/athome/Video-Setting-Posts.asp

wonder if that method will work w/the $2 kwikcrete in my OP?

Not exactly like they show here, but you can do it.
My method: dig hole to desired depth, center & plum post, add minute amount of water, maybe 2 cups (saturate post & surrounding ground), add dry mix, lightly mist dry mix on top to smooth, PROFIT!

(The moisture in the ground will "wick" into the dry mix over a few hours and it will set super strong. Remember, the dryer the mix, the stronger your concrete will be.)

 

[HydroSqueegee]

shhhh... dont tell the wife or i'll have to put in that concrete walkway shes been wanting.

 

[bonkers325]

60lb: http://www.lowes.com/pd_10387-286-110160_4294858248__?productId=3006078&Ns=p_product_price|0

80lb: http://www.lowes.com/pd_10385-286-110180_4294858248__?productId=3006075&Ns=p_product_price|0

confirmed instore so it's not just a website error.
weird pricing...

and didnt know a 60lb bag only does 1/2 sq foot x 2" thick?
Would have figured ALOT more coverage since the bag is bigger than that plus you're adding water.

this will help. one bag does not equal 2" x 1/2 sq.ft
http://www.quikrete.com/calculator/main.asp

 

[weadjust]

We throw dry bags of quikrete into the water along the edge of our neighborhood boat ramp where the soil gets washed away. The bags of quikrete will become a brick in the shape of the bag once it sets. You can stack the dry bags where ever and water them down with the hose or wait for rain. How much water you use mixing doesn't really matter it just works.

Here is a picture from the web of a quikrete retaining wall.

 

[highland145]

That looks kind of cool.

 

[bonkers325]

We throw dry bags of quikrete into the water along the edge of our neighborhood boat ramp where the soil gets washed away. The bags of quikrete will become a brick in the shape of the bag once it sets. You can stack the dry bags where ever and water them down with the hose or wait for rain. How much water you use mixing doesn't really matter it just works.

Here is a picture from the web of a quikrete retaining wall.

whatever you do, dont do what is in that picture!

 

[weadjust]

I posted the picture to show that it could be done. I'm not saying it was smart. That thing has failure written all over it.

 

[JEDI]

this will help. one bag does not equal 2" x 1/2 sq.ft
http://www.quikrete.com/calculator/main.asp

just going by the Lowes site.

from your link it looks like 1 sq feet x 4" = 60lb bag
thus 2 sq ft x 2"?

 

[wirednuts]

I remember being amazed at how many bags I needed when I had to fill the 20 pier holes for my deck.
There isn't much water in there, so what you see dry is pretty much what you get volume-wise.

It took 2 loads in my truck, with the springs about fully compressed.

yikes! yeah you might have wanted to hire that one out! a truck could have came in there and dumped it right in the holes

i did 2 holes for an addition on my house, and i think i used like 12 bags. it was crazy... you buy 5 at first then it ends up being 12

 

[wirednuts]

I posted the picture to show that it could be done. I'm not saying it was smart. That thing has failure written all over it.

does it?

the bags solidified in a settled position. granted, the concrete wont be as strong as it would if it were properly mixed at let to cure, but i bet that wall stays until someone tears it down...

 

[vi edit]

does it?

the bags solidified in a settled position. granted, the concrete wont be as strong as it would if it were properly mixed at let to cure, but i bet that wall stays until someone tears it down...

Unless there's some hidden rebar in there it's going to eventually bulge and give out. Retaining walls need a lip to hold the stagger and then ideally some kind of reinforcement to keep the walls from pushing out.

 

[Kreon]

Unless there's some hidden rebar in there it's going to eventually bulge and give out. Retaining walls need a lip to hold the stagger and then ideally some kind of reinforcement to keep the walls from pushing out.

Yes and no, assuming you're talking about the footing as the lip. It depends on the type of retaining wall. For a gravity wall, it doesn't need the lip (just a ton of weight). The footings (both slope and not-slope side) provide extra weight and moment forces, effectively replacing extra concrete with soil (making it significantly cheaper.

Block walls can be built, rather effectively, without cementing the pieces together. MSE retaining walls generally have stacked block. That said, I highly doubt that wall is an MSE wall, as I see no horizontal reinforcement anchors and the friction between the bags will not be high enough.

Also, that wall will be ugly as hell when the paper bags wash off.

 

[wirednuts]

Also, that wall will be ugly as hell when the paper bags wash off.

thats what i was thinking. it will probably look like swiss cheese too, cause the concrete was never mixed and cures unevenly.

 

[weadjust]

The paper is already washed off. The concrete will retain the shape of the bag even it thrown into the water.

 

[Kreon]

The paper is already washed off. The concrete will retain the shape of the bag even it thrown into the water.

Unless they stained or dyed the concrete, no, the paper is still there.

And it will retain the shape of the bag if thrown in water, because it will get fully hydrated. By building said wall and spraying it down, it may not fully hydrate (depending how much water is put on it). If it doesn't get fully hydrated, it's going to be wicked weak in many areas.

It doesn't look like that wall has been wetted yet though.

 

[wirednuts]

The paper is already washed off. The concrete will retain the shape of the bag even it thrown into the water.

did they paint it then? or is it like a clay based cement? it doesnt look like a bag of cement that sat outside (i know.. ive done it! )