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Old 06-10-2012, 12:19 AM   #1
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Metal Building Sweating


I have a new metal garage that meets the slab but is not sealed to it causing water to leak into the garage when it rains heavy. It isn't a lot of water but I would prefer no water at all. What can I use to seal the slab to the building?

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Old 06-10-2012, 07:56 AM   #2
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Metal Building Sweating


Post a picture.
I'll make a few guesses.
The shed is smaller then the slab so the slab is sticking out past the shed forming a flat area for water to lay and get in.

Slab is even or at least close to grade.

There is no area dig out around the slab with stone in it for drainage.

Little late now to go back and "fix" it, about the best you could have done to slow down the leaking was put silicone under the bottom plates before the shed was built. Not a great way but it would have helped some.

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Old 06-21-2013, 02:54 AM   #3
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Metal Building Sweating


I had a metal building installed last year and it has no insulation. The only time I am really getting any sweating is during the winter months. It is a pretty good amount during that time. How should I get rid of the moisture? Insulate or ventilate? If I insulate, what type of insulation should I use. I do work out in the garage during the winter and was planning on adding a stove or propane heater. Thanks for your help?
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Old 06-21-2013, 06:40 AM   #4
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Metal Building Sweating


Got a picture?
Venting would make a big difference and would need to be done if you insulated anyway.
Propane heat puts out a lot of moisture, make sure if you do go with propane it's a direct vent.
Is this on a slab? No form insulation or vapor barrier added under the pore?
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Old 06-21-2013, 07:17 AM   #5
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Metal Building Sweating


+1

We are going to need to seem some pictures or a bunch more information.

What are you using the space for?
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Old 06-21-2013, 07:26 AM   #6
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Metal Building Sweating


There is vapor barrier under the pour. I am using the space to store my boat, reload ammunition, and work on things.
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Old 06-21-2013, 08:39 AM   #7
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Metal Building Sweating


Are you heating the building in the winter?
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Old 06-21-2013, 01:40 PM   #8
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Metal Building Sweating


I am going to be this winter but only when I am working in the building.
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Old 06-22-2013, 09:06 AM   #9
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Metal Building Sweating


If you are heating the building, you will be creating moisture inside the space an therefore have the same sweating issue.

Is the space insulated across the roof or walls?
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Old 06-22-2013, 11:18 AM   #10
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Metal Building Sweating


Quote:
Originally Posted by Windows on Wash View Post
If you are heating the building, you will be creating moisture inside the space an therefore have the same sweating issue.

Is the space insulated across the roof or walls?

No insulation at all.
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Old 06-23-2013, 08:25 AM   #11
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Metal Building Sweating


If you don't have any insulation and/or vapor control, the building will sweat if you heat it.

How much use are you going to get out of it and how much of an issue is the sweating.

Depending on the size and scope of the building, that is going to be an expense of some undertaking.
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Old 06-23-2013, 09:18 AM   #12
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Metal Building Sweating


Like Joe said, don't use any form of heat that adds moisture to the air inside the building. I would think spray on foam would be a good option. I have always stayed away from metal buildings just because of the sweating problems.
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Old 06-23-2013, 10:39 AM   #13
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Metal Building Sweating


tucker -

Without a location on your profile, it is difficult to give a specific answer.

I think you are seeing condensation that happens when warm moist air rises and hits a cool surface (your uninsulated tin roof with zero insulating properties) and runs down or drips on everything. Get rid of the moisture (just about impossible for that type of building and use) by sealing every possible joint and totally venting every heat source to the outside. If you have a climate with humidity, just opening a door for a few minutes will destroy a previous efforts without some effective insulation on the bottom of the roof panels.

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Old 06-23-2013, 01:20 PM   #14
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Metal Building Sweating


I live in Charlotte, NC. That is my question. Should I insulate it? If so, what should I use for insulation?
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Old 06-23-2013, 01:46 PM   #15
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Metal Building Sweating


If you are going to insulate, SPF will be your easiest and unfortunately most expensive as well.

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