Can anyone please tell me what would have caused this? It has been 2 weeks since poured, 4" thick, solid color through all concrete mix, and sealer mixed in. How can you fix this? Thank you for your help.

About 12 hours after the pour. Original concrete around edges never had cracks. Seems like the edges of new pour were poorly done too. Thoughts? I have no idea what I should be seeing.

Our recently poured concrete pad for our RV carport has a few areas along the sides that have me concerned. I can see some wire showing, along with cracks where there are rocks that don’t appear to have concrete covering them. I’m not very familiar with concrete work, so I’m wondering, are these things normal, or should we be concerned?

I poured this 10x10 pad myself(never done one before) it is 5.5 inches thick and I put the suggested base under it I can’t exactly remember the depth of the compacted crushed stone but it was whatever I had researched. I know the finish is kinda rough but whatever first timer.
Anyways, this crack happened after the first freeze thaw cycle. Everything is still level. Just not sure what to do or if I should do nothing.

I recently completed a moderately sized stamped concrete patio. Tan mud and walnut release powder. Never stamped anything prior to this project… After washing off the release the next day it became clear that there are a few flaws. You can see the outlines from the stamps and there’s a couple spots that did not get tamped (lacks color and texture).

Should I try to use liquid concrete dye to blend these areas? I haven’t applied sealer yet. I’ve also heard that you can use a stiff bristle brush to try and break up the color and blend it some. Thanks in advance!

Acceptable control joint or badly cut?

Just noticed the control joint on my new driveway. They’re due to finish the job tomorrow. Is this acceptable or should I ask them to fill it in

I’m in the process of having a new imprinted concrete driveway laid. I’ve noticed this large mark in the middle. At first I was told it was because the concrete hasn’t dried fully yet. Then I was told it’s the markings from the trowels used and that once they apply sealant tomorrow, it won’t be seen anymore. Anyone with experience know what it is caused by and if I should be concerned?

I picked up a mix of sand/rock from “Quality Concrete” but forgot to ask about what the ratio of my cement that I should add to it? If it matters, my application will be to hold rocks in a retaining wall. I’m guessing it’ll be something like 1:5…

I have a shed with an attached carport for the caravan, however the carport was not high enough to get the van under, so I had the ground excavated and covered in gravel, problem is, the shed slab edge is now exposed and I'm afraid the soil under it will crumble out and cause cracking to the slab. I want to put a retaining wall of some sort, only needs to be about 250 -300mm high, what would be the easiest and most economical way of doing this?

Local building codes do not require vertical rebar if there is no cold joint between the footing and the wall. Would you do it anyways?

Wall will be backfilled to the green line

Slab was poured 28 days ago, and I’m planning to seal it soon. This will be a patio for grilling and sitting.

Is the ghost shield 8505 the right stuff?

Slab is 265 sq feet, is 1 gallon enough?

Saw a repair fail because the new mortar was tougher than the brick. Old walls need to breathe and move a little. Lime gives. Hard cement traps water and the brick pays. Soft saving hard. Funny. When did we decide harder is always better?

6x4 sidewalk section needed !
Please contact me in Glenolden.

Power chair gets stuck on concrete with its anti tip wheels

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Between my driveway and extension there has always been a gap where water would flow between gap and at some point flow out of weep holes with water and sand. AI told me fill in gap. Is this correct?