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Old 05-26-2019, 09:37 AM   #1
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Wooden deck waterproofing


I just renovated a 16 x 4' balcony and used PT 3/4" plywood for the floor. I would like to water proof it and my client left it up to me as to the type of surface. Living in Canada, weather changes from 80 to -30 so I am asking about recommended products. Are the liquid rubber products good or what might be recommended. Thanks.
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Old 05-26-2019, 09:56 AM   #2
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Re: Wooden deck waterproofing


What did you remove, maybe you should have asked before installing a wet plywood.
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Old 05-26-2019, 09:59 AM   #3
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Re: Wooden deck waterproofing


Are you enclosing it?



Or just wanting to protect the below from rain.
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Old 05-26-2019, 12:33 PM   #4
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Re: Wooden deck waterproofing


The old deck was partially rotted, un treated plywood. The new deck is a balcony with no sides (other than railing, and no roof or awning.
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Old 05-26-2019, 12:39 PM   #5
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Re: Wooden deck waterproofing


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Originally Posted by Mark Harvey View Post
The old deck was partially rotted, un treated plywood. The new deck is a balcony with no sides (other than railing, and no roof or awning.
What ever you do it should go up the wall behind the siding and paper 6 or 8 inches and under the door threshold and most if not all require dry plywood.

I would be looking at solid surface vinyl decking like tuffdeck or fiberglass
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https://www.fema.gov/media-library-d...6/chapter7.pdf
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Old 05-26-2019, 03:15 PM   #6
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Re: Wooden deck waterproofing


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Originally Posted by Nealtw View Post
What ever you do it should go up the wall behind the siding and paper 6 or 8 inches and under the door threshold and most if not all require dry plywood.

I would be looking at solid surface vinyl decking like tuffdeck or fiberglass
Thanks, That is a good consideration. There is also a liquid textured rubber that I've heard of, but don't know much about it. I am familiar with Duradeck and Tuffdeck. Thanks for the input.
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Old 05-26-2019, 03:28 PM   #7
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Re: Wooden deck waterproofing


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Originally Posted by Mark Harvey View Post
Thanks, That is a good consideration. There is also a liquid textured rubber that I've heard of, but don't know much about it. I am familiar with Duradeck and Tuffdeck. Thanks for the input.

The paint on stuff was terrible 30 years ago and it might be better now but I haven't seen it used for 30 years either.
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