I need to rip out my shower and re tile it. I was thinking of making it bigger and adding a second shower head and separate control.
I was just planning to extend the pipes and T out to the new shower valve. I don't think there is an issue with any of that as far as code, but if there is could someone tell me.
Where I thought I may have the issue is with the drain. I was just planning on using the existing drain that is there, maybe move it a bit if I could to the centre so it's easier for my tile guy to mortar the floor slope. Will the existing drain be big enough and be able to handle the extra flow from the double tap? Is there actually any extra flow considering I am just branching off an existing half inch line? The house is pretty new 5 years or so, so the ABS is 1.5 inch.
I am in Burlington Ontario by the way.
Also, when moving the drain, it would be a no-no to notch out the floor joists right? I wouldn't think I should do it, but if I am allowed, and if it makes for a nice centred drain one joist over I would consider it.