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Old 10-21-2011, 11:27 PM   #1
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Ditra question


Question about Ditra...a product that I just became aware of that might work for my purposes.

I'm going to be putting down a subfloor in my bathroom...using Advantech...and was wondering if you could give me some advice about using Ditra with it.

1. Can I use Ditra in place of a concrete backer board?

2. Put down mortar, lay down the Ditra and let it dry and then mortar and tile.

From another thread, I think it was suggested that the process might be:

Wood or wood product subfloor, modified mortar, Ditra, unmodified mortar, and tile. (Probably ceramic) Does this look like the recipe?


Thanks, Ed


Last edited by Ed911; 10-21-2011 at 11:31 PM. Reason: clarification
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Old 10-21-2011, 11:35 PM   #2
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Wood or wood product subfloor, modified mortar, Ditra, unmodified mortar, and tile. (Probably ceramic) Does this look like the recipe?
There ya go!

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Old 10-21-2011, 11:55 PM   #3
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Thanks Bud,

This chatroom has been a wealth of information. I've only been here a couple of days, and I've picked up several useful suggestions that have changed how I'm going to go about my reno.

Ed
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Old 10-22-2011, 12:20 AM   #4
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Quote:
I'm going to be putting down a subfloor in my bathroom...using Advantech
Isn't Advantech a fiber-cement backer board?


Ditra is warranted over 5/8" wood subfloor, no real need to spend money on any other backer board.
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Old 10-22-2011, 08:06 AM   #5
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No, Advantech is an OSB wood composite put together with a polyurethane bonding agent. It carries a 50 year limited warranty and a 300 day moisture guarantee not to edge swell, or need sanding. It's very stiff and heavy...85 lbs a sheet, if I remember right. This according to Huber customer service.

I called Huber, the manufacturer of Advantech, because I wanted to know if it would be susceptible to edge swelling once it was cut...like for around toilet flanges and in smaller spaces, like bathrooms, where you couldn't just drop sheets like in new construction. I was told no, it would not swell even then, because it uses the polyurethane bonding agent throughout. It runs $22 from Lowes for 4x8', 22/32" sheets.

I've read a lot of good things about it from users...and my sub, the guy who put in my sistered floor joists and beam, suggested I use it...because that's what he's using. That's where I first heard about it.

Ed

Last edited by Ed911; 10-22-2011 at 08:27 PM.
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Old 10-22-2011, 05:39 PM   #6
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Ditra question


and the price is reasonable.
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Old 10-22-2011, 08:29 PM   #7
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Ditra question


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Originally Posted by Bud Cline View Post
Ditra is warranted over 5/8" wood subfloor, no real need to spend money on any other backer board.
Thanks for taking time to respond to my questions.

Ed
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Old 10-22-2011, 09:48 PM   #8
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No, Advantech is an OSB wood composite...
I knew that, I don't know what the hell I must have been thinking. I must have been out of it when I asked that question. Too many long days and short nights this week.

By all means use Advantech.
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Old 10-23-2011, 04:31 PM   #9
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Originally Posted by Bud Cline View Post
I knew that, I don't know what the hell I must have been thinking. I must have been out of it when I asked that question. Too many long days and short nights this week. By all means use Advantech.
You must be my age...lol.

Thanks for your help...it's much appreciated. I actually thought you must have known what it was...but, I wanted to help you as much as you've helped me...lol.

You are the funny one. Don't under estimate how much the advice that you gave me about Ditra is going to help me.

Thanks again, Bud

Ed
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Old 10-23-2011, 04:46 PM   #10
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Quote:
You must be my age...lol.
I'm old enough to get tired on a regular basis these days. It's harvest time around here and for some ungodly reason I agreed to haul grain this year for a farmer I know. I personally hauled 24,000 bushels of corn (not a typo) in three and half days and that's a lot of gear-jammin' for a guy like me let me tell you. I should have been in bed when the Advantech question arose the other day/night/whenever, but hell no-o-o-o! I was here being stupid.

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