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Old 08-27-2012, 04:50 PM   #16
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screen porch tile CDX subflooring


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Jazz make sure to factor in how low that door threshold is, the fact that now the walls are forming a dam with no drain when figuring this out for them.

Thank you everyone for your help. I will have to get time to go out and get the exact measurements that Jaz asked for. I don't know how to tell the difference between pressure treated and dried lumber. Any advise on that part?

Saru

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Old 08-27-2012, 04:57 PM   #17
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screen porch tile CDX subflooring


Pressure treated is green and will have grade stamps right on the faces of the wood.
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Old 08-27-2012, 05:01 PM   #18
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Pressure treated is green and will have grade stamps right on the faces of the wood.

The joists are 8 years old. I don't think there would be any markings at this point.
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Old 08-27-2012, 05:55 PM   #19
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screen porch tile CDX subflooring


To tell the difference go to the lumber department next time you're at a lumber yard or HD, Lowes, or Menards.

Besides needing the proper framing and subfloor you need a slope for rain water to drain off. ( I don't see that ). You also need a second layer of plywood or blocking under the seams of that square-edge CDX. In addition you need 'real' concrete backer under Ditra if you go that way. A few more things too.

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Old 08-27-2012, 06:14 PM   #20
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To tell the difference go to the lumber department next time you're at a lumber yard or HD, Lowes, or Menards.

Besides needing the proper framing and subfloor you need a slope for rain water to drain off. ( I don't see that ). You also need a second layer of plywood or blocking under the seams of that square-edge CDX. In addition you need 'real' concrete backer under Ditra if you go that way. A few more things too.

Jaz
Thank you all for your input. You have given me a lot to think about. Now I wish I hadn't thought of tiling in the first place.
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Old 08-27-2012, 06:55 PM   #21
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Now I wish I hadn't thought of tiling in the first place.
Sorry to hear that. Tile would be a great way to go.

Jaz
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Old 08-27-2012, 07:35 PM   #22
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Sorry to hear that. Tile would be a great way to go.

Jaz

It is so much more work than I thought it would be and now I'm completely confused. Should I use cement board and then go under the porch and put in cross sections between the joists? Then use the Detra on top of that and then the tile?

Looking for a contractor at this point to see how much it is going to cost to have someone do it for me.
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Old 08-27-2012, 07:38 PM   #23
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You need to answer my questions about the framing first. We have to start with the framing regardless of who does the work. Then is there a slope and a way for water to drain. One step at a time.

Jaz
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Old 08-27-2012, 08:13 PM   #24
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You need to answer my questions about the framing first. We have to start with the framing regardless of who does the work. Then is there a slope and a way for water to drain. One step at a time.

Jaz

OK. I will get my husband to help me measure the joists this weekend and I will calculate the slope if there is one. Wish you lived closer to NC.

Saru
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Old 08-28-2012, 09:09 AM   #25
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OK. I will get my husband to help me measure the joists this weekend and I will calculate the slope if there is one. Wish you lived closer to NC.
Sometimes I do too. Well I did a job in northern VA/DC area last month.

Jaz

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