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Garage Floor - CONCRETE R&R... Need Advice.

What about the fiberglass additive? Is that what the "Super P" is? :dunno:


-G

Yes tell them you want fiber in it. Super P is super plasticizer. It will allow you to pour the concrete at a 7 slump without taking any strength out of it making it easier to work with.


Grinder with a concrete wheel for the areas you can`t get close enough to with the saw.


WORST ATTEMPT AT QUOTING EVER. :haha:


So do I truly need to cut all the way through the existing slab (4" - 6") or would it be acceptable if the saw only reached down a couple of inches?? It sounds like the reason for the straight edge is not so much for effective bonding of the new cement, but to simplify the troweling and blending of the new cement to the old without making a big, sloppy mess across the jagged seam? :dunno:

I guess I'll find out tomorrow. The cement finishing guy will be here in the morning and I'm sure he will tell me how concerned he is about it.


-G[/QUOTE]

Concrete must be at a minimum 2in thick. I would still recommend fully removing anything you want to go over.
 
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