DerekW
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Hello Everyone,
I have a very basic question about the right flange for a toilet install.
I am working on finishing a master bath and am about to put down underlayment and ceramic tile on the floor. The existing rough waste pipe (PVC) I need to connect to is 4" outside diameter, (3" Santee) and the inside is flared out on the end, seemingly to accept a pipe fitting inside it (see pic #1). I bought a PVC flange...a 4'' spigot flange...that fits over the outside of the rough pipe (pic #2). However, the top of the rough pipe sits approx. 1 1/4" below the surface of the subfloor, and the extension on the flange is approx. 1 3/4", giving only about 1/2" of overlap over the rough pipe.
So my newbie questions are:
1) is 1/2" enough of an overlap for the connection?
2) is it OK to have a flange that goes over the outside of the rough pipe, or should I get one that fits inside of it?
3) should I prime & cement the connection like any other PVC connection?
PS: (I am putting down a underlayment layer of 3/8" plywood, but I can put the flange directly on the sub-floor and cut the underlayment around it if I have to)
Thanks...really appreciate your help!
Derek
I have a very basic question about the right flange for a toilet install.
I am working on finishing a master bath and am about to put down underlayment and ceramic tile on the floor. The existing rough waste pipe (PVC) I need to connect to is 4" outside diameter, (3" Santee) and the inside is flared out on the end, seemingly to accept a pipe fitting inside it (see pic #1). I bought a PVC flange...a 4'' spigot flange...that fits over the outside of the rough pipe (pic #2). However, the top of the rough pipe sits approx. 1 1/4" below the surface of the subfloor, and the extension on the flange is approx. 1 3/4", giving only about 1/2" of overlap over the rough pipe.
So my newbie questions are:
1) is 1/2" enough of an overlap for the connection?
2) is it OK to have a flange that goes over the outside of the rough pipe, or should I get one that fits inside of it?
3) should I prime & cement the connection like any other PVC connection?
PS: (I am putting down a underlayment layer of 3/8" plywood, but I can put the flange directly on the sub-floor and cut the underlayment around it if I have to)
Thanks...really appreciate your help!
Derek
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