I had to repour my automatic bay a couple years ago. I used fiber in the concrete and the floor heat has no issues.
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Pour new concrete over old ?
- Thread starter washnvac
- Start date
I had to repour my automatic bay a couple years ago. I used fiber in the concrete and the floor heat has no issues.
DiamondWash
Well-known member
OMG I starting to hate concrete right now, our slabs are finally settling and the cracks are appearing everywhere in my lots n,e,s,w, had a company come out to quote me "just my backlot" at 4,925 Sq Ft with 6" thick C4 concrete $35,050.00 and that doesn't include the areas with floor heat, so I ask this if you had to demo out your concrete would you replace with asphalt I know the price of oil dictates the cost of it but $35k 
MEP001
Well-known member
You shouldn't need 6" concrete unless you have fully loaded dump trucks going over it regularly. A proper base and 4 1/2" is the standard here. Asphalt needs an even sturdier base to not shift and crack, so your cost won't be a lot less if asphalt is done right, and if it's in an area that will get wet a lot it won't last 20 years.
DiamondWash
Well-known member
Majority of our business is commercial traffic such as: FedEx, UPS, Construction vehicles, RV's, Etc were going on 16 yrs here, so we are at that time to probably replace the concrete because I think we have hot poured the cracks over the years to the point of no return. I've seen some wash owners just pour a slab in the front and rear of the bays and have gravel for the parking lot LOL.
