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Old 08-16-2012, 09:45 AM   #16
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NOT DIY RELATED: Hired Contractor Question - Is this normal


3/4" variation of flatwork throughout a basement? That's not horrible (not good though), AS LONG as its not drastic, in other words it takes 20' to get that 3/4". I've never seen a basement with dead flat flatwork, it's a lot harder to get everything dead flat and perfect when you're surrounded by walls, an exterior slab where you can screed off well is a lot easier. When we framed basements 3/8-1/2" was fairly common and I've seen worse than 3/4.

I can't quite figure out what is going on outside, is that a deck built with plywood and then is he planning on sheathing it again? What is supposed to be the final finish on that?

BTW I'm not trying to defend this guy, he seems to be a moron, however some expectations might be a little high.

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Old 08-16-2012, 10:01 AM   #17
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NOT DIY RELATED: Hired Contractor Question - Is this normal


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Originally Posted by robertcdf View Post
3/4" variation of flatwork throughout a basement? That's not horrible (not good though), AS LONG as its not drastic, in other words it takes 20' to get that 3/4". I've never seen a basement with dead flat flatwork, it's a lot harder to get everything dead flat and perfect when you're surrounded by walls, an exterior slab where you can screed off well is a lot easier. When we framed basements 3/8-1/2" was fairly common and I've seen worse than 3/4.

I can't quite figure out what is going on outside, is that a deck built with plywood and then is he planning on sheathing it again? What is supposed to be the final finish on that?

BTW I'm not trying to defend this guy, he seems to be a moron, however some expectations might be a little high.

I was thinking tongue and groove over the subfloor and strips. What ever happens that subfloor outside has a limited life span to say the least, and I see dirt a few inches under it..
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Old 08-16-2012, 10:21 AM   #18
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NOT DIY RELATED: Hired Contractor Question - Is this normal


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Originally Posted by robertcdf View Post
3/4" variation of flatwork throughout a basement? That's not horrible (not good though), AS LONG as its not drastic, in other words it takes 20' to get that 3/4". I've never seen a basement with dead flat flatwork, it's a lot harder to get everything dead flat and perfect when you're surrounded by walls, an exterior slab where you can screed off well is a lot easier. When we framed basements 3/8-1/2" was fairly common and I've seen worse than 3/4.

I can't quite figure out what is going on outside, is that a deck built with plywood and then is he planning on sheathing it again? What is supposed to be the final finish on that?

BTW I'm not trying to defend this guy, he seems to be a moron, however some expectations might be a little high.
I'm trying to make sure I know what's going on, which is why I asked and value all the opinions I'm getting.

It's not off 3/4" - 1" from one side of the room to the next, it's a different height at every measurement when I measure from the bottom of the floor joist to the concrete. The slab also pitches away from the sump pump and towards the existing house. Probably not a problem because the basement is dry, but if we ever got water, it would be a problem.

To answer your other question, yes it's plywood on top of the floor joists, then he put ribs on that slope away from the house and he put plywood on top of that. He then put three coats of some white roofing waterproofing on it. I'm going to put down a rubber membrane and then outdoor carpet over it.

The porch will eventually be screened in and my plan is that in the winter, I will plastic it off to keep snow off it.
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Old 08-16-2012, 10:25 AM   #19
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I was thinking tongue and groove over the subfloor and strips. What ever happens that subfloor outside has a limited life span to say the least, and I see dirt a few inches under it..
The dirt is a foot under it but it's meant to be three feet under it. He backfilled and then over filled because he didn't know what to do with the extra dirt he dug out of the basement. He told me all along that we had enough, but I kept seeing huge piles of dirt in the basement that needed to go. He planned on grading all the dirt out throughout my yard. I told him from the getgo that we wanted the grade level to remain the same as it was before he touched it, kind of like the theory you leave it as well as you found it or better. It's not better, well that part isn't anyway.

Get this, originally he told me he was going to put a 4" slab there, that porch hangs over the basement, with no support. I never heard of someone putting a slab on top of plywood over a basement before. When I mentioned it he said, no way, we can't do concrete. I reminded him that was what he told me but he denied it, saying that would be crazy.

This whole thing is crazy.
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Old 08-16-2012, 02:52 PM   #20
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The dirt is a foot under it but it's meant to be three feet under it. He backfilled and then over filled because he didn't know what to do with the extra dirt he dug out of the basement. He told me all along that we had enough, but I kept seeing huge piles of dirt in the basement that needed to go. He planned on grading all the dirt out throughout my yard. I told him from the getgo that we wanted the grade level to remain the same as it was before he touched it, kind of like the theory you leave it as well as you found it or better. It's not better, well that part isn't anyway.

Get this, originally he told me he was going to put a 4" slab there, that porch hangs over the basement, with no support. I never heard of someone putting a slab on top of plywood over a basement before. When I mentioned it he said, no way, we can't do concrete. I reminded him that was what he told me but he denied it, saying that would be crazy.

This whole thing is crazy.
Is the basement living space below the "deck" framing? I've seen people put slabs over living space in basements and they usually leak, making that connection waterproof is critical and not really an easy thing to do.

Just for kicks and grins and perspective, I went and measured my unfinished basement, and had 5/8" variation in the few spots that I measured. If I went all over the place I would not be surprised to see 3/4"+ variation.
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Old 08-16-2012, 09:05 PM   #21
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NOT DIY RELATED: Hired Contractor Question - Is this normal


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Originally Posted by Weekend Warrior DIY View Post
The dirt is a foot under it but it's meant to be three feet under it. He backfilled and then over filled because he didn't know what to do with the extra dirt he dug out of the basement. He told me all along that we had enough, but I kept seeing huge piles of dirt in the basement that needed to go. He planned on grading all the dirt out throughout my yard. I told him from the getgo that we wanted the grade level to remain the same as it was before he touched it, kind of like the theory you leave it as well as you found it or better. It's not better, well that part isn't anyway.

Get this, originally he told me he was going to put a 4" slab there, that porch hangs over the basement, with no support. I never heard of someone putting a slab on top of plywood over a basement before. When I mentioned it he said, no way, we can't do concrete. I reminded him that was what he told me but he denied it, saying that would be crazy.

This whole thing is crazy.

that type of exterior installation will definitely test the strength of the interior rated advantech subflooring over the long term...
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Old 08-16-2012, 11:05 PM   #22
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NOT DIY RELATED: Hired Contractor Question - Is this normal


You can do that anywhere. Flat work isn't usually all that flat. One thing I noticed is the jamb thickness of your doors seem to be for a 2x4 framed wall. It looks like it's framed 2x6 you need jambs 6 9/16". As for the rest I dunno. It sounds to me he's trying his best to complete a fairly unorthodox plan. You have alot of Experience here on this board and nobody could figure out what the heck you were talking about.

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