Wood Deck Alternatives - Roll on Stucco

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Old 04-28-07, 02:53 PM
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Wood Deck Alternatives - Roll on Stucco

I have a 10x20 deck that is attached to the back of my house. Underneath it is a storage room, that once held wood. It has a viranda style roof over it, and is supported by 4 6x6 wood beams.

Now, my problem is waterproofing it. I currently have 3/4 tongue and groove plywood over the studs, then tar over that, tar paper over the tar, and then tongue and groove red pine decking, painted over to finish it off. Water is getting through this and rotting out the deck. So, Ive got 4 (Or More) options:

- Re-do the tar and plywood, then more wood decking.
- Composite (Fake) wood
- Vinyl Decking
- Roll-On stucco-style decking

My current plan is to pull off the red pine decking, then put down 3/4 good one side fir, with the waterproof glue (Or 5/8 pressure treated plywood - which is better?). Once the plywood is down, I will finish it, and put that roll-on stucco type stuff made for decks.


So, my question is:

Of the above 4 options, which is the best (Considering price and other factors), and if I'm going to put plywood underneath whatever decking I choose, should it be 3/4 Good One Side Fir (With waterproofing glue), or 5/8 pressure treated plywood?


Thanks!
 
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Old 04-28-07, 03:39 PM
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carsonauto,

Your terminolgy is confusing me. You are talking about a deck and a roof, and THEN you mention "studs" -- WHAT STUDS??

If you are wanting to make the are under the deck dry, then look into products like Dry Below or UnderDeck. (There are other similar systems as well.) These are vinyl or similar panels that are placed between the joists of the deck with their own unique channeling system along the sides of the joists.

The 3/4" T&G plywood is where? Is that your decking? And all of this other stuff is laid on top of that? If so, then the T&G is laying on the joists of your deck. Reomove it, and everything above it. Install one of the systems I mentioned above between the joists, then install your new deck boards. The new deck boards may be wood, or a composite, or a vinyl. "Roll-on stucco-style decking" -- What's that??
 
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Old 04-28-07, 07:22 PM
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Sorry, Im actually posting this for my Dad, and I'm kind of inept at these sorts of things. I suppose the "studs" are called joists, I just wasn't aware.

Anyways, I'll look into those products.

I can't seem to find an example of that deck "stucco" I was talking about.

It's like an acrylic garage floor coating. I think you put a primer down first, then you smooth the "stucco" across the deck with a trowel, and then you roll a sealant onto it. And heres the order of my decking from top to bottom.

-Tongue and groove red pine boards
-Tar paper
-Tar
-3/4 tongue and groove plywood
-Joists
-(Oh, and I forgot) Blue Spray foam

I forgot to mention. From inside the storage room, you used to be able to see through the joists, and see the plywood directly. We got someone to spray the entire room with about 4 inches of this blue insulation foam. All over the walls and roof. So, we don't necessarily have to worry as much about water getting THROUGH, but we do have to worry about the deck rotting.


Oh, and might I add, I looked at the Underdeck and Dry Below, but the room underneath is in the basement. We do not have a second level deck. This deck is about 2 feet off the ground, level with the ground floor of the house. The storage room I'm talking about is underneath the deck, in the basement.
 
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Old 04-28-07, 07:38 PM
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Can you take a picture of it and post a link to that?
 
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Old 05-06-07, 04:20 PM
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Ah, sorry. I couldnt get onto the site for the last while. Heres the pics:

The deck:

http://img.photobucket.com/albums/v446/carsonauto/DSC00502.jpg

There's a lot of caulking and new paint over the part's I redid in the fall, merely as a temporary solution.

http://img.photobucket.com/albums/v446/carsonauto/DSC00504.jpg

The older stuff is to the left, and the redid stuff is on the left.

And here's an example of that deck stucco stuff:

http://www.homehardware.ca/en/exclusive/21_hardrock.php
http://www.homehardware.ca/en/exclusive/HardRock%20Data%20Sheet.pdf
 
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Old 05-12-07, 11:50 AM
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Does anyone know if the stuff works?
 
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Old 05-12-07, 12:45 PM
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I looked at the ad for the product, and it's nothing that I would use, or even suggest using, for decking.

I would use a system like Under Deck or Dri-B-Low between the joists of the deck to keep the area under the deck dry.
 
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