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Old 10-21-2010, 11:02 AM   #1
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leaks in tin roof, cannot access top side.


Howdy,
I have a 2nd story deck with a tin roof under that. I don't think the original builder was thinking too far ahead as there is no space to clean between the two.
The room below (currently using as a tool shed) is taking on some moisture and I can't find from where but I am assuming is from above. I cannot see any light through the roof from below, but the decking could be blocking the sun.

My question for y'all is:
Any suggestions on how to seal this?

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Old 10-21-2010, 11:30 AM   #2
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leaks in tin roof, cannot access top side.


Take the deck off. Replace the roof. Rebuild the deck.

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Old 10-21-2010, 12:37 PM   #3
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leaks in tin roof, cannot access top side.


Of course I thought of that, but is there any other way?
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Old 10-21-2010, 05:43 PM   #4
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leaks in tin roof, cannot access top side.


Your first step is to pull up decking and see what your dealing with, then post some pictures here.
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Old 10-21-2010, 05:50 PM   #5
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leaks in tin roof, cannot access top side.


Quote:
Originally Posted by msimmons View Post
Of course I thought of that, but is there any other way?
Oh, you mean the easy way.
Throw a tarp over the deck.
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Old 10-22-2010, 09:16 AM   #6
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leaks in tin roof, cannot access top side.


lol, k before coming here I DID try to remove the decking... its "plastic" and "slides" on a track (per plank). The problem I have with that is after an hour (and a blister starting) I had only moved 2 of them about 1 foot.
Moving them back into place is proving to be even harder as it is 2nd story (i can stand on deck and swing the hammer low to remove, have to balance on a ladder and swing hammer above my head to move back).

So thats why I would rather not remove the decking, and I'm pretty sure the girlfriend won't go for the tarp idea.

I was thinking more along the lines of something i can spray on the underside of the tin roof, or maybe a sub-roof.
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Old 10-22-2010, 10:46 AM   #7
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leaks in tin roof, cannot access top side.


Whatever you do don’t hurt yourself.

There is absolutely nothing you can spray on the bottom side of the tin to stop a roof leak

Plastic decking that slides on a tract? That’s a new one for me.

Can you post any pictures?
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Old 10-22-2010, 11:12 AM   #8
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leaks in tin roof, cannot access top side.


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Can you post any pictures?
Here are a few:

First, taken from teh deck, I still have not gotten the two I started to remove back in place, they probably slide less than half an inch per whack (hammer in pic for perspective is much lighter than the one I am using).

Second, taken from side, shows the lack of access. I thought of drilling an access hole but I don't want to compromise the deck support.

Third taken from back yard. The spacing is about 10". I attached a child's rake to a telescoping pole but there is a joist running across that I cannot get under, and of course past that joist is the area that i need to access the most.
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Old 10-22-2010, 01:17 PM   #9
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leaks in tin roof, cannot access top side.


The only proper way to deal with this was already mentioned. Remove the deck re-roof and build a new deck. And at the very least would be to remove the decking, clean and possibly repair the roof, but that would at best be just a band aid.

It would take two people to remove that decking without destroying it (if your lucky).
Someone on one end of the piece pulling with a steady pressure and someone on the other with a block of wood and a sledge hammer tapping the decking out.
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Old 10-22-2010, 01:22 PM   #10
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leaks in tin roof, cannot access top side.


Not what I wanted to hear, but what I assumed was what I have to do.

Thanks all
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Old 10-22-2010, 01:57 PM   #11
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leaks in tin roof, cannot access top side.


That decking is clearly not designed to function as a roof and stop water. There doesn't appear to be a water shedding roof under it either. There are some products on the market designed to be nailed up under decks to collect and shed water. Is that what your "tin" ceiling is? Maybe it just wasn't installed correctly.

Here is an example:
http://dryunderdecks.com/howitworks.html

A lot easier than removing that deck I immagine.

Last edited by jogr; 10-22-2010 at 01:59 PM.
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Old 10-22-2010, 02:18 PM   #12
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leaks in tin roof, cannot access top side.


If you look at the 3rd picture I posted, its a corrugated tin roof that spans the length of the house, the deck was built on top of that. The issue is that in the years since the deck was built (I've only owned the house for 6months) a few leaks have developed in the corrugated tin roof that I am thinking are caused by debris not having a way out from in between the two and holding moisture to the top of the roof.

BUT I think the product you linked might have some promise.
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Old 10-22-2010, 07:30 PM   #13
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leaks in tin roof, cannot access top side.


Is there any manufacturer name stamped on the deck boards or the track system?
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Old 10-22-2010, 07:37 PM   #14
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leaks in tin roof, cannot access top side.


Not that I have found.

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