Bathroom remodel with tile floor recommendations

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Old 02-25-16, 02:44 PM
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Bathroom remodel with tile floor recommendations

Hi Guys. Name Keith. Starting a 2nd floor bathroom remodel that measures 86"x74" in our 1930s that was last updated in the 1980s. Doing double vanity, linen cabinet, and standard size 60x32x20 soaker tub acrylic 3 wall alcove with tile floor and tile tub surround. Tubs sits parallel over 1 joist that is 2x8x14? (can't tell cause it goes into the wall) but the other 6 joists are 2x8x10 16" on center, 1 end on load bearing beam, other end on 16" on center studded wall and my deflecto is L/367 to L/480 depending on the choice lumber I pick (do not know actual joist material). Subfloor is 3/4" tongue and groove, followed by 1/4" board with linoleum, and on top of that is vinyl. I plan on ripping up the vinyl. My 2 options next are:

1. leave linoleum if in good condition and glued appropriately, and add 1/4 Hardi backer after leveling
2. Leave linoleum and add 1/4" plywood followed by 1/4" Hardiebacker after leveling
3. Try to rip up linoleum and get to T&G, add 1/4" plywood and then 1/4" Hardie backer after leveling

I really don't want to try to rip up the linoleum if I don;t need to. It would be a PIA.

For the most part the floor is level, only 1 area where off 3/8"
tiles are 12x24 10mm thick
Suggestions?

Also, same tile will be used around 3 wall alcove bath tub with 1/2" Hardiebacker, and behind the backer vapor barrier.

TY in advance!
 
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Old 02-25-16, 03:19 PM
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Welcome to the forums!!

I'll let you deal with the constricted space, but most linoleum is placed over a 1/4" layer of underlayment plywood. It has to come up, so it may not be as bad as you expect, since the linoleum will come up with the underlayment. No underlayment less than 1/2" would be acceptable for tile installation. You indicate the joists are 2x8 with a 14' span. Is this span supported anywhere between. 2x8 will not span 14' independently.
 
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Old 02-25-16, 04:23 PM
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Hi!

Only 1 joist spans 14' and rests at 10' on the studied wall and this joist is the one below the tub. The rest of the joists are 10'
 
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Old 02-25-16, 05:12 PM
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Expand on the description of the subfloor as 3/4" tongue and groove. Hardwood? Plywood? OSB?

Concur with Larry, the 1/4" under the linoleum needs to go and has no place in a tile installation.
 
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Old 02-25-16, 06:32 PM
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Don't have it ripped out yet but from what I could tell liking from my kitchen with a drop down ceiling right below the bathroom looks like hardwood T&G perpindicular to the joists.

So take out all linoleum and put down 1/2" plywood and then 1/4" Hardibacker?
 
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Old 02-25-16, 07:12 PM
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First picture is of the tongue and groove 3/4"
Second picture is the 1/4" underpayment of whatever it is for the linoleum
 
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