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re: conventional vs post tension slabs?
Posted on 3/15/14 at 11:23 am to 4LSU2
Posted on 3/15/14 at 11:23 am to 4LSU2
quote:
You do not have sales tax figured on your concrete pricing nor do you have labor for concrete placement in your analysis, fwiw.
You are right about the sales tax on the concrete. So The labor price on the form and finish will be the same. PT will end up being about $2000 cheaper overall.
I want to know who has seen foundation issues with PT. Dont just say its overkill or you dont trust it.
1
Posted on 3/15/14 at 3:58 pm to vettegc
(Puts hand up in air)
One bad concrete load ruins entire slab.
You can't cheaply effect a fix, it's a system which has to have no defects.
Poorly consolidated concrete around PT anchors.
PT cables missing, misplaced, misrouted, cut or otherwise compromised.
Huge full-depth cracks in slab occurring before stressing. Does stressing "heal" them? I wouldn't want a slab like that.
It isn't enough difference between them to risk the lesser quality option. We have 150 years+ of conventional slab history to look back on; how does PT age? Not well if chlorides are present in the concrete.
Ask WalMart's Construction division what they think of PT.
One bad concrete load ruins entire slab.
You can't cheaply effect a fix, it's a system which has to have no defects.
Poorly consolidated concrete around PT anchors.
PT cables missing, misplaced, misrouted, cut or otherwise compromised.
Huge full-depth cracks in slab occurring before stressing. Does stressing "heal" them? I wouldn't want a slab like that.
It isn't enough difference between them to risk the lesser quality option. We have 150 years+ of conventional slab history to look back on; how does PT age? Not well if chlorides are present in the concrete.
Ask WalMart's Construction division what they think of PT.
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