On Jul 15, 1:21*pm, BradMM wrote:
Should I go above the slab with a raised platform or jack hammer out a
space to put level with top of foundation slab? *I'm going to have to
go out through a cinderblock wall if it's above the level of the slab
or I could jack hammer out the entire "slot" to run it out through the
slab. *Not sure how I would patch the slab afterwards so I'm leaning
to the raised floor.

Brad

If you have access to an outside wall I would strongly recommend that
you go with one of these, they’re great.

http://common.csnstores.com/common/p.../ASD5881_l.jpg