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Old 03-08-2020, 04:48 PM   #1
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Will this pass inspection?


I am required to have the insulation inspected as part of my bathroom remodel. I have no idea what the inspector will look for. Any pros on here that can tell me if this looks ok?

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Old 03-08-2020, 07:00 PM   #2
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Re: Will this pass inspection?


I've never incurred an insulation inspection...

Where are you....are you in Cali with Title 24.

(I guess your electrical/plumbing/mecanical has allready been completed.)

I'd just honestly ask your building official as to what code you need to comply.....
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Old 03-08-2020, 07:40 PM   #3
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Re: Will this pass inspection?


Where I am that is an acceptable method for walls. That said, there are several other requirements for insulating depending on the type of tub/shower unit you are installing.
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Old 03-08-2020, 07:40 PM   #4
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Re: Will this pass inspection?


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Originally Posted by dgfit View Post
I am required to have the insulation inspected as part of my bathroom remodel. I have no idea what the inspector will look for. Any pros on here that can tell me if this looks ok?

(Sorry for the flipped image)

Yes, need to know where you are. Where I live, that wouldn't pass. You need a 4 mil poly air/vapor barrier and r-19 insulation minimum, though they might cut you a little slack in a remodel situation.
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Old 03-08-2020, 07:52 PM   #5
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Re: Will this pass inspection?


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Originally Posted by dgfit View Post
I am required to have the insulation inspected as part of my bathroom remodel. I have no idea what the inspector will look for. Any pros on here that can tell me if this looks ok?

(Sorry for the flipped image)
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Old 03-08-2020, 08:53 PM   #6
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Re: Will this pass inspection?


It seems to be an acceptable method but in my house the wood will have a vapor barrier / retarder or whatever that paper is called.
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Old 03-08-2020, 09:08 PM   #7
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Re: Will this pass inspection?


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I've never incurred an insulation inspection...

Where are you....are you in Cali with Title 24.

(I guess your electrical/plumbing/mecanical has allready been completed.)

I'd just honestly ask your building official as to what code you need to comply.....
No just this small town in Ohio. I am hoping he just wants to see that its there. I may send him a pic just so he doesnít waste a visit. Yes, plumbing and electrical inspections are done. Insulation is the last step.
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Old 03-08-2020, 09:10 PM   #8
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Re: Will this pass inspection?


Thanks all - the inspector specifically does not want the plastic barrier. He said R13 is all I need in 2x4 wall. I will be waterproofing the tub/shower walls.

I am in north central ohio.
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Old 03-09-2020, 08:08 AM   #9
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Re: Will this pass inspection?


Inspection passed . Thanks everyone.
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Old 03-09-2020, 03:43 PM   #10
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Re: Will this pass inspection?


Glad it passed. I was an inspector in NY and I would have passed it.
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Old 03-09-2020, 05:29 PM   #11
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Re: Will this pass inspection?


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Originally Posted by dgfit View Post
Thanks all - the inspector specifically does not want the plastic barrier. He said R13 is all I need in 2x4 wall. I will be waterproofing the tub/shower walls.

I am in north central ohio.


Did he say why he didnít want the plastic barrier. I figured that would be beneficial.
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Old 03-09-2020, 05:53 PM   #12
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Re: Will this pass inspection?


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Did he say why he didn’t want the plastic barrier. I figured that would be beneficial.
He had told me a while back when he was here for framing inspection, but I forget the details now. I will try to remember to ask him on the final.
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Old 03-09-2020, 06:00 PM   #13
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Re: Will this pass inspection?


If you put a plastic vapor barrier over what is there, you end up with two vapor barriers....
Which is not good. Ron
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Old 05-12-2020, 10:48 AM   #14
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Re: Will this pass inspection?


This may be way too late, but I will weigh in on the issue. I am a licensed home inspector in FL and also construct/install custom showers. First and foremost you must comply with the authority having jurisdiction.

Now, the generalities:
1 - The paper backing on the insulation IS a/the vapor barrier, that is why it is to be installed towards the conditioned space.
2 - If you are truly "waterproofing" (i.e. Kerdiboard, epdm's like Redguard, Hydroban, Aquadefense) your shower walls you do/should not need a vapor barrier behind your substrate.
》BTW backer boards are not waterproof, they remain stable when/after wet.
3 - IF you are not "waterproofing" your shower walls I would recommend installing the 4 mil sheathing (as previously suggested), or 40# felt instead of paper-backed insulation, though, still having insulation on your exterior wall.

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Old 05-12-2020, 05:01 PM   #15
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Re: Will this pass inspection?


The energy code in NY has 2 options. One is the prescriptive method where the code spells out what to put in walls, ceilings, etc. Almost no one uses that method. Most use the performance method, where values for windows, walls, ceilings, HVAC efficiency, etc. are entered into a computer program and it passes or fails. That works well because it allows trade offs. Want more glass then bump up walls or ceilings or use more efficient equipment. It is interesting changing values to see what works that is easiest and/or cheapest.
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