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supporting a new tile floor- plywood depth, backer board depth?

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supporting a new tile floor- plywood depth, backer board depth? K Ruck 07-02-2005
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Posted by Evodawg on July 3, 2005, 1:08 pm
G Henslee wrote:
> Rudy once more attempts justification when he wrote:
>
>>
>>
>> Ours is 3/4" "structurefloor" an engineered OSB type product which is
>> attached to the 16" OC 11.5" TJI's by screws and construction adhesive.
>> Over that, the tile guy glued and stapled (used almost 2 boxes ~10,000
>> staples) 3/8" ply and then tiled. In some of the $500K- 1M homes in
>> the area, the General has him use a 3/8" dense medium grained
>> chipboard (not MDF, Hardibacker or OSB) the name of which I can't
>> recall right now, over the 3/4 stuff. The stuff is dense alright but
>> has little structural strength. You can snap it with your hands. It
>> runs about $ 7.00 a sheet so I went with the ply for a few bucks more
>> for the added strength.
>> Been in the house for over a year and it works for us.
>
>
> Dear Rudy the Screwed homeowner,
> Technically, you don't have a clue what you're talking about. Your
> advice is flawed at best, and your ignorance shows every time you wail
> about using plywood or chipboard as you attempt to justify the screwing
> you got regarding your tile substrate.
>
> <For the OP>
> The purpose of an acceptable tile substrate is not to provide structural
> strentgh. Structural strength is designed and built-in to the subfloor
> prior to the finish floor substrate. The finish floor substrate needs
> to supply an even, flat, and flex-free base for the tile or stone. The
> TCA, tile manufacturers worldwide, and every engineer/ architect, tile
> professional, etc, I've ever known or dealt with advises against using
> chipboard, particle board, luan, most plywoods, etc for tile substrates.
>
> <For the screwed homeowner>
> $500K- 1M doesn't mean shit. To think that the price of the house (in
> todays world) means one is guaranteed that non-inferior workmanship and/
> or materials will be produced throughout the house is absurd. Once
> again, your justification(s) for having an inferior tile substrate are
> worthless.
>
> You're developing quite an inferiorioty complex about the inferior
> substrate your 'General' stuck you with Rudy. I bet we'll never here a
> peep out of you around here when the grout starts cracking. If this is
> a tract development, you and your neighbors will be screaming class
> action law suit very soon.
>
>>
>> BTW, Some of the "experts" here said the 3/8 wasn't adequate. I'm sure
>> they'll sound off here.
>>
>
> Always glad to help the ignorant, correct the morons that sound off
> here, and support and add to those that give correct advice based upon
> experience and knowledge of home building and repair. If that's an
> 'expert' then so be it and I am one. You're not.
>
> Meantime, check out some decent attorneys and for pete's sake Rudy, quit
> showing us your ass about this topic every time it comes up.
>
> -end of conversation-

geeee I hope I gave the right advice, would hate to get flamed by
you. hahaha ... I do this type of work and yes I have had to
replace bath floors which were installed wrong by Jose and Jos B. If
the floor is not sturdy the grout will crack. 3/4" and 1/4" hardy
should be ok if the floor joist are 16" on centers.

Rich
--
"You can lead them to LINUX
but you can't make them THINK"
Linux user #291570
Remove "nospam" to email

Special 468x60
Posted by G Henslee on July 3, 2005, 1:52 pm
Evodawg wrote:
> G Henslee wrote:
>
>> Rudy once more attempts justification when he wrote:
>>
>>>
>>>
>>> Ours is 3/4" "structurefloor" an engineered OSB type product which
>>> is attached to the 16" OC 11.5" TJI's by screws and construction
>>> adhesive.
>>> Over that, the tile guy glued and stapled (used almost 2 boxes
>>> ~10,000 staples) 3/8" ply and then tiled. In some of the $500K- 1M
>>> homes in the area, the General has him use a 3/8" dense medium
>>> grained chipboard (not MDF, Hardibacker or OSB) the name of which I
>>> can't recall right now, over the 3/4 stuff. The stuff is dense
>>> alright but has little structural strength. You can snap it with your
>>> hands. It runs about $ 7.00 a sheet so I went with the ply for a few
>>> bucks more for the added strength.
>>> Been in the house for over a year and it works for us.
>>
>>
>>
>> Dear Rudy the Screwed homeowner,
>> Technically, you don't have a clue what you're talking about. Your
>> advice is flawed at best, and your ignorance shows every time you wail
>> about using plywood or chipboard as you attempt to justify the
>> screwing you got regarding your tile substrate.
>>
>> <For the OP>
>> The purpose of an acceptable tile substrate is not to provide
>> structural strentgh. Structural strength is designed and built-in to
>> the subfloor prior to the finish floor substrate. The finish floor
>> substrate needs to supply an even, flat, and flex-free base for the
>> tile or stone. The TCA, tile manufacturers worldwide, and every
>> engineer/ architect, tile professional, etc, I've ever known or dealt
>> with advises against using chipboard, particle board, luan, most
>> plywoods, etc for tile substrates.
>>
>> <For the screwed homeowner>
>> $500K- 1M doesn't mean shit. To think that the price of the house (in
>> todays world) means one is guaranteed that non-inferior workmanship
>> and/ or materials will be produced throughout the house is absurd.
>> Once again, your justification(s) for having an inferior tile
>> substrate are worthless.
>>
>> You're developing quite an inferiorioty complex about the inferior
>> substrate your 'General' stuck you with Rudy. I bet we'll never here
>> a peep out of you around here when the grout starts cracking. If this
>> is a tract development, you and your neighbors will be screaming class
>> action law suit very soon.
>>
>>>
>>> BTW, Some of the "experts" here said the 3/8 wasn't adequate. I'm
>>> sure they'll sound off here.
>>>
>>
>> Always glad to help the ignorant, correct the morons that sound off
>> here, and support and add to those that give correct advice based upon
>> experience and knowledge of home building and repair. If that's an
>> 'expert' then so be it and I am one. You're not.
>>
>> Meantime, check out some decent attorneys and for pete's sake Rudy,
>> quit showing us your ass about this topic every time it comes up.
>>
>> -end of conversation-
>
>
> geeee I hope I gave the right advice, would hate to get flamed by you.
> hahaha ... I do this type of work and yes I have had to replace bath
> floors which were installed wrong by Jose and Jos B. If the floor is not
> sturdy the grout will crack. 3/4" and 1/4" hardy should be ok if the
> floor joist are 16" on centers.
>
> Rich

No chance Rich. This other guy and his "I got screwed with it so it has
to be good" attitude doesn't cut it.

Posted by Evodawg on July 3, 2005, 3:16 pm
G Henslee wrote:
> Evodawg wrote:
>
>> G Henslee wrote:
>>
>>> Rudy once more attempts justification when he wrote:
>>>
>>>>
>>>>
>>>> Ours is 3/4" "structurefloor" an engineered OSB type product which
>>>> is attached to the 16" OC 11.5" TJI's by screws and construction
>>>> adhesive.
>>>> Over that, the tile guy glued and stapled (used almost 2 boxes
>>>> ~10,000 staples) 3/8" ply and then tiled. In some of the $500K- 1M
>>>> homes in the area, the General has him use a 3/8" dense medium
>>>> grained chipboard (not MDF, Hardibacker or OSB) the name of which I
>>>> can't recall right now, over the 3/4 stuff. The stuff is dense
>>>> alright but has little structural strength. You can snap it with
>>>> your hands. It runs about $ 7.00 a sheet so I went with the ply for
>>>> a few bucks more for the added strength.
>>>> Been in the house for over a year and it works for us.
>>>
>>>
>>>
>>>
>>> Dear Rudy the Screwed homeowner,
>>> Technically, you don't have a clue what you're talking about. Your
>>> advice is flawed at best, and your ignorance shows every time you
>>> wail about using plywood or chipboard as you attempt to justify the
>>> screwing you got regarding your tile substrate.
>>>
>>> <For the OP>
>>> The purpose of an acceptable tile substrate is not to provide
>>> structural strentgh. Structural strength is designed and built-in to
>>> the subfloor prior to the finish floor substrate. The finish floor
>>> substrate needs to supply an even, flat, and flex-free base for the
>>> tile or stone. The TCA, tile manufacturers worldwide, and every
>>> engineer/ architect, tile professional, etc, I've ever known or dealt
>>> with advises against using chipboard, particle board, luan, most
>>> plywoods, etc for tile substrates.
>>>
>>> <For the screwed homeowner>
>>> $500K- 1M doesn't mean shit. To think that the price of the house
>>> (in todays world) means one is guaranteed that non-inferior
>>> workmanship and/ or materials will be produced throughout the house
>>> is absurd. Once again, your justification(s) for having an inferior
>>> tile substrate are worthless.
>>>
>>> You're developing quite an inferiorioty complex about the inferior
>>> substrate your 'General' stuck you with Rudy. I bet we'll never here
>>> a peep out of you around here when the grout starts cracking. If
>>> this is a tract development, you and your neighbors will be screaming
>>> class action law suit very soon.
>>>
>>>>
>>>> BTW, Some of the "experts" here said the 3/8 wasn't adequate. I'm
>>>> sure they'll sound off here.
>>>>
>>>
>>> Always glad to help the ignorant, correct the morons that sound off
>>> here, and support and add to those that give correct advice based
>>> upon experience and knowledge of home building and repair. If that's
>>> an 'expert' then so be it and I am one. You're not.
>>>
>>> Meantime, check out some decent attorneys and for pete's sake Rudy,
>>> quit showing us your ass about this topic every time it comes up.
>>>
>>> -end of conversation-
>>
>>
>>
>> geeee I hope I gave the right advice, would hate to get flamed by
>> you. hahaha ... I do this type of work and yes I have had to replace
>> bath floors which were installed wrong by Jose and Jos B. If the floor
>> is not sturdy the grout will crack. 3/4" and 1/4" hardy should be ok
>> if the floor joist are 16" on centers.
>>
>> Rich
>
>
> No chance Rich. This other guy and his "I got screwed with it so it has
> to be good" attitude doesn't cut it.

Got cha, I came in late on the whole thread, so not sure what has
happened in the past. ; )


--
"You can lead them to LINUX
but you can't make them THINK"
Linux user #291570
Remove "nospam" to email

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