If this is your first visit, be sure to
check out the FAQ by clicking the
link above. You will be required to register
before you can post: click the register link above to proceed. To start viewing messages,
select the forum that you want to visit from the selection below.
Could be from a previous tub replacement and the original shoe was too low.
So instead of digging out the tub box, a new one was added to the top & the old one capped.
Perhaps the tub box was sealed with tar or mortar making it an undesirable job to dig out.