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Unread 10-12-2005, 10:51 PM   #1
wazoo
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Location: Nanaimo B.C. Beautiful Vancouver Island
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tile over exterior wood framed balcony

Hi: I am a renovation contractor on Vancouver Island BC Canada. We get a lot of rain and occasional sub-zero temp. in the winter and dry 70 to 90 degree temp. in the summer. I have a client with a south facing non covered wood framed second story balcony that is currently sloped for drainage and covered with an old 60 mill vinyl such as "Duradeck". The deck construction is 5/8" ply over 2"x10" at 16" oc spanning about 15' over the living room below. My question is how can I install frost resistant ceramic tile over this substrate while making it both watertite and ridgid enough to support tile? My thoughts were to build up the existing plywood to 1" after removing the vinyl coating by glueing and screwing 3/8" sanded ply over top without overlapping seams. Then installing a waterproof membrane such as torch or some other peal and stick product and then installing the frost proof tile. But what about bonding to the membrane? or here's a new idea, what about the new "Kardi" by "Schluter" shower pan system? Would it be suitable for an exterior application?.......Any thoughts appreciated
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Unread 10-13-2005, 06:56 AM   #2
bbcamp
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Instead of tile, consider brick pavers over a membrane roof deck.
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Unread 10-13-2005, 05:13 PM   #3
John Bridge
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Hi Wazoo, Welcome aboard.

I think Bob means loose laid pavers. Not sure.

Bob, what about if we were to add a two-inch thick mud bed?

Wazoo, please give us a first name.
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Unread 10-13-2005, 06:42 PM   #4
cx
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Sounds like a perfect job for Schluter Man. (Only sayin' that on accounta I'm currently at Schluterizing school and we discussed a method for that very application this very day.

The 5/8ths ply is a little wimpy to my mind, but with some of Schluter's Troba (I think), a nice mud bed like JB is suggestin', some Ditra, some Kerdi Band, and a nice proprietary edge trim, you'd be in bidness.

I don't know what all that costs, of course, but it would make a fine tiled deck.

My opinion; worth price charged.

OK, OK, I didn't notice that joist span, but ......
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Unread 10-13-2005, 10:50 PM   #5
wazoo
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My Name

Sorry for not introducing myself, my name is gary Richardson
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Unread 10-20-2005, 07:41 PM   #6
4Seasons
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another alternative

Just throwing one out there. I did a balcony on a 3.4 million dollar house so leaks were a serious concern, so I used a crack supression / water barrier trowlable membrane. I used triple flex from TEC but most companies have a comparable alternative. I installed 1/2" ccbd then flat troweled the membrane two coats over the entire balcony to waterproof the entire thing. Then I used the same membrane as a setting material as added precaution. It's held up for 4 years now and no complaints.
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