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Correct Board Type In Shower

 
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Old 04-25-2010, 10:41 AM   #21
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Re: Correct Board Type In Shower


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Originally Posted by angus242 View Post
Your statements wreak of being short sided. Saying you wouldn't use something because you're "not familiar" with it is outright silly.

Do you understand the concept of waterproofing?
Do you understand the benefit of using items designed to work together?
Are you aware CBU and thinset are NOT waterproof?

I would have respected your statement had you said you only use CBU. But to completely dismiss an entire method of building a wet location (included in the TCNA Handbook, I might add) makes you seem really inexperienced.

I looked up the Kerdi water proofing system after I made this statement as I am not experienced with the product. As stated before, I have done demo on many showers that had sheetrock behind it and makes me wonder who in the heck does that. Because of this I am reluctant to use something else but at the same time I am always open for new and different ways to do something. You never stop learning in the construction trade. I thought this product was some kind of brush on product and made me hesitent. It appears to be an interesting product and I would love the opportunity to apply it but I would have to research the proper application to do this.
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Old 04-28-2010, 08:46 AM   #22
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Re: Correct Board Type In Shower


While researching, check out the diffrent types of material to use in the shower for board....cement board (wonder board, Hardi board etc..) then Densheild, Densarmor, moisture board, etc....
You will find it quite intresting on what you find.....Here in PG i use the best that i can get, because i dont want to have problems down the line...and customers want the best they can get...some complain about the price, and i tell them, its better to spend the money now on the proper stuff, than have to rip it out later and re-do it.
We use densheild, we used to use hardi board, but found that after prolong use in wet areas, it would wick water to the backside of the board, in the stud cavity....how the water got there is beyond me...maybe the tile guy did something wrong, or had a few issues, but there was water...

J
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Old 04-28-2010, 02:45 PM   #23
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Re: Correct Board Type In Shower


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Originally Posted by AARC Drywall View Post
While researching, check out the diffrent types of material to use in the shower for board....cement board (wonder board, Hardi board etc..) then Densheild, Densarmor, moisture board, etc....
You will find it quite intresting on what you find.....Here in PG i use the best that i can get, because i dont want to have problems down the line...and customers want the best they can get...some complain about the price, and i tell them, its better to spend the money now on the proper stuff, than have to rip it out later and re-do it.
We use densheild, we used to use hardi board, but found that after prolong use in wet areas, it would wick water to the backside of the board, in the stud cavity....how the water got there is beyond me...maybe the tile guy did something wrong, or had a few issues, but there was water...

J

Durarock is what we have instant access to at our local stores. Denshield and Densarmor have popped up a few times on this thread. I am assuming it is similar to the wonderboard or durarock. I will be looking it up next to check it out.
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Old 04-28-2010, 02:51 PM   #24
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Re: Correct Board Type In Shower


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Originally Posted by frankster View Post
Denshield and Densarmor have popped up a few times on this thread. I am assuming it is similar to the wonderboard or durarock. I will be looking it up next to check it out.
No, they're not.

DensShield is a waterproofed-faced gypsum board.
DensArmor is a fiberglass-faced drywall alternative.
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Old 05-14-2010, 02:59 AM   #25
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Re: Correct Board Type In Shower


Durock works very well and is priced right.
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Old 05-14-2010, 03:01 PM   #26
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Re: Correct Board Type In Shower


The problem with bathroom remodels, is the price. If you bid it low and use ANY type of drywall based product,,, it will suck up water.

If you bid it with any type of water PROOF material, you will not get the bid. Usually.

Which leaves us at the break off point. Bid the job, but understand, IF you use ANY type of NON-water proof material, you will eventually have water problems.

Gee guys, it ain't rocket surgery , I mean, they will be useing water in their showers and baths,,,,, Okay???
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Old 05-30-2010, 12:59 AM   #27
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Re: Correct Board Type In Shower


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If you bid it with any type of water PROOF material, you will not get the bid. Usually.
I just did a bathroom remodel, Greenboard cost about $1.50 a sheet more, I needed two sheets. Three dollars more out of a $10,000 remodel isn't going to lose me the job
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Old 05-30-2010, 06:56 AM   #28
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Re: Correct Board Type In Shower


Densarmor has been out a few years & it is hard to fathom that alot of contractors/builders etc that do not know about this product. As Angus said it is Fiberglass-backed & IMO is going to beat any greenboard (which I thought was outlawed) or purpleboard which seems to be the same thing.
Blowes used to carry it but I think they dropped it. It does not cost that much more. You can go google it for Georgia Pacific website & you can put in your zip & find where they carry it in your area..............
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Old 05-30-2010, 02:56 PM   #29
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Re: Correct Board Type In Shower


none the less, basically all it comes down to is to prepare for the finish inside a bathroom the way you would prepare a house for siding, the place should be 99.999% water proof before the finish goes on, the other .001 % is the window that got left open at the end of the day that let rain inside
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Old 05-30-2010, 09:33 PM   #30
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Re: Correct Board Type In Shower


no one uses 1/2 hardie backer?

it's good stuff
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Old 05-31-2010, 07:54 AM   #31
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Re: Correct Board Type In Shower


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I don't think greenboard has the same moisture resistant characteristics as purple. I just eliminate the paper (mold food) altogether and use DensArmor

I think in Canada, CBU is mandatory (code) behind shower walls.

Angus, as far as I know, there is no code requirement for CBU in showers. If there is, then the inspectors in this neck of the woods have been missing a lot of it!! Ontario has an OK building code, but, for what I do, I would be embarrassed to say "I build to code" I build waaaay over what the code calls for
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Old 06-04-2010, 12:37 PM   #32
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Re: Correct Board Type In Shower


Denshield or Durock best choice for any wet areas. rest of the bathroom should be MR.
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Old 06-04-2010, 12:50 PM   #33
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Re: Correct Board Type In Shower


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Angus, as far as I know, there is no code requirement for CBU in showers. If there is, then the inspectors in this neck of the woods have been missing a lot of it!! Ontario has an OK building code, but, for what I do, I would be embarrassed to say "I build to code" I build waaaay over what the code calls for
I have seen our buddy Holmes mention the code thing as well as our new code man from the North, John Whipple.

Quote:
Originally Posted by drywallsystems View Post
Denshield or Durock best choice for any wet areas. rest of the bathroom should be MR.
Why are only those 2 materials the "best choice". If you waterproof, aren't there more choices?
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Old 06-09-2010, 12:29 PM   #34
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Re: Correct Board Type In Shower


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no one uses 1/2 hardie backer?

it's good stuff
We do.
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Old 06-09-2010, 04:18 PM   #35
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Re: Correct Board Type In Shower


i wouldnt use hardi in a shower if they paid me triple. i will use regular sheetrock in a shower and cover it with kerdi... Or use durock and cover it hydroban by laticrete...also alot of people say just slpa ole durock up and go with it. Ya have to put a layer of tar paper behind that beofre ya hang the durock if you go that route.



I thought green board was outlawed in wet area as in a tub hop or shower stall......
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Old 06-09-2010, 06:33 PM   #36
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Re: Correct Board Type In Shower


Just finished (mudded) a basement today. The builder that had the work hung green board through out (ceiling too) and hardi on the shower walls.

It looked darker green than I remember, I haven't used it in a coons age. He said it came from Manards. Maybe it's not the old green board.

If it's my job than it's Densheild throughout. Kerdi on the shower walls. I'm with Angus on this one.
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Old 06-09-2010, 09:53 PM   #37
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Re: Correct Board Type In Shower


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I have seen our buddy Holmes mention the code thing as well as our new code man from the North, John Whipple.

Who knows what Holmes is talking about. I looked through (although kinda briefly) and could not find anything on it in the Ontario Building Code.
Toronto may have different rules
British Columbia will definately have different rules
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Old 06-11-2010, 10:50 AM   #38
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Re: Correct Board Type In Shower


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Why are only those 2 materials the "best choice". If you waterproof, aren't there more choices?
First of all , there is a consideration called "cost and time effectiveness" between the type of wall to be built , (for water proofing ).
When we talk about drywall that means we are talking about framed walls.
For framed walls of the wet areas, (where there is a direct water contact)the use of DG or Cement Board , is either a quality requirement, specification or code requirement. And it is considered to be the best choice by the construction professionals .
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Old 06-11-2010, 07:03 PM   #39
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Re: Correct Board Type In Shower


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so im on another board and currently having a heated debate with another member as to what the correct type of board is to use in a custom shower/bath.

i responded to the post stating to use greenboard on the ceiling and walls around the shower but to use either durock or densesheild within it and end the board the next stud past the shower. another member responded to this stating that regular drywall is perfectly fine as long as schluter membrane is used. how do you get the message to someone that regular drywall is not acceptable and wont pass an inspection

so whos using durock and who's using densesheild. on our jobs we use densesheild. we usually go above code whenever possible, the only issues we've had with inspectors is getting them onsite when we want them there and having engineers paperwork ready when they do arrive
My friend you have not herd of the best drywall solutions yet???? try gypsum board bro it is water and mold proof ...

best of luck ....
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Old 07-09-2010, 02:08 AM   #40
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Re: Correct Board Type In Shower


Here in North Vancouver you need to keep that drywall out of the wet zone. Regardless if it's covered with Kerdi, Hydro Ban, Aqua Defense or Red Guard.

Many will tell you different and many companies back these installs - BUT...

..."What does your inspector want to see at inspection time?"

I showed my inspector 5' of Green EBoard (taped and set) that had been around the entire bath tub surround. At 5' I switched to regular drywall and taped this seam as well. With 2 coats of Hydro Ban this bath tub shower surround is Good To Go!

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