new toilet instal over floating subfloor

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Old 08-18-13, 06:32 AM
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new toilet instal over floating subfloor

I have to instal a toilet in a new basement over a floating subfloor and vinyl flooring.I want to know if I bolt through the subfloor into the concrete or just into subfloor?The subfloor is 5/8 and has plastic "knob" glued underneath to keep it of the concrete for airflow. "subfloor" is the brand name and is similiar to "dricore" flooring. Also Iam assuming that the toilet flange sits on top of my vinyl and not recessed level to it?
 
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Old 08-18-13, 06:38 AM
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Yes, I would use wood screws and just secure to the 5/8" sub....

What pipe is coming out of the floor? Cast, PVC? What material flange?
 
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Old 08-18-13, 06:45 AM
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3" abs and I don't have the flange bought yet.Any particular type of flange?
 
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Old 08-18-13, 07:00 AM
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How much pipe is coming through the floor? How did you get the old flange off?

Pics would help see what you got there...
 
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Old 08-18-13, 04:50 PM
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this is a new install.Got plenty of pipe to work with.Had contractor recessed cement around the pipe to give me room to install flange.Should i use metal flange or go with the ordinary plastic version? flange just sits on top of finished floor right?
 
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Old 08-18-13, 05:15 PM
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Flange on top of finished floor...

Unfortunate that you need an inside glue flange now... Makes opening smaller...

Us PVC flange... Secure with cement mollys....

May need an inside cutter( PITA) ... Flange needs to go in pipe and pipe technically would be below floor level... You"ll see.

Dry fit...dry fit...dry fit...
 
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Old 08-18-13, 05:21 PM
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ok thanks,the flange I have glues on outside of the 3"abs pipe. What are cement mollys? Also another question,was going to lay down a good vinyl flooring over the wooden subfloor,this should be good enough or should I lay down cement board before vinyl,then glue flange to pipe and fasten to subfloor with stainless screws?
 
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Old 08-18-13, 05:33 PM
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the flange I have glues on outside of the 3"abs pipe.
How you going to do that? Is there room around the pipe where there is no cement??? I think you will be using a inside flange...

Take a pic... Possibly you have something else...I would like to see..


Yes I am sorry..... Screw to sub is good.... No need to go to the cement....
 
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Old 08-18-13, 05:44 PM
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lol yeah I had the contractor dig a hole around the pipe so when he poured his floor I still had 4 " of concrete when he scooped out some cement around the pipe it left me with about 2" below cement floor.Hope I explained that right to you .I knew there wasnt going to be much room between subfloor and cement floor to glue flange so thats what I had them do. I need atleast 11/2" below top of flange to glue.
 
 

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