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Need More Water in Quikrete than Recommended

I am pouring a series of concrete slabs for a patio and I’m using standard 80lb Quikrete bags (https://www.homedepot.com/p/100318511). The directions recommend 3qts of water per bag and a max of 4....
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1answer
101 views

Would a concrete ramp added to an existing slab be less durable?

To remediate a situation my concrete company caused by changing the layout without consulting me, they propose to add a ramp partially on an existing (though new ~10 days) slab. I'm worried that it ...
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1answer
2k views

How thick to pour slab over existing brick patio

I have an old brick patio, cracked in some places. I want to pour concrete over it and stamp the concrete with a texture. What is the thinnest I can go? 1 inch? 2 inch? I have 5000 square feet and ...
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159 views

base for patio with concrete slabs

I'm planning to build a fairly small patio at the back (2.5m x 2.5m), and instead of pavers I will place concrete slabs (60cm x 60cm x 4cm). Would it be fine to use construction waste, such as ...
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3answers
59 views

Unsure if structure is solid concrete

My home was built in 1957. It has a 10x10 3foot high brick patio with a concrete slab on top. We are replacing the deck which is much bigger. The deck on the slab rotted due to water pooling in a ...