raise shower base?


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Old 01-12-20, 08:35 AM
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raise shower base?

I'm helping my sister who has a slab foundation tract home from the 60's here in Dallas. The to of the main drain line is a whopping 7 inches below grade and made of cast iron. Drain lines of this type, in this area are notorious for being fragile so the general rule is don't mess with them.
She wants to convert from a standard tub to a tile ready shower pan. The problem we are having is that after putting in the needed adapters to switch from the house's up pipe to the shower drain we are about an inch higher than what is needed for the shower pan to settle.
The only solution I can come up with is to pour a bed of concrete to raise the floor level where the shower pan will sit. Any thoughts or suggestions? Am I totally off or does this sound realistic?
 
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Old 01-12-20, 08:50 AM
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The problem we are having is that after putting in the needed adapters to switch from the house's up pipe to the shower drain
So maybe the first question, what size drain do you have, tubs typ take 1 1/2" where showers are 2"?
 
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Old 01-12-20, 10:30 AM
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Yes, the pipe coming up is 1 ½ and the shower base is 2 inches. The up pipe is also about 6 inches closer to the wall than where the shower drain lines up.
 
 

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