slab cut

04-02-2009, 05:06 PM	#1
7echo Member   Join Date: Aug 2008 Location: coastal georgia Posts: 369	slab cut The slab is cut out for the tub drain, about 20" x 18". I reckon that hole needs some kind of seal after the plumbing work is done these days, but apparently in 1953 they left these holes open to the ground. What is the best way to handle sealing this up?

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04-02-2009, 10:11 PM	#2
JDC Plumbing Contractor     Join Date: Mar 2008 Location: Cincinnati, OH Posts: 377	slab cut you dont seal it up. its left open so that if the trap needs to be worked on, you dont have to bust up concrete to get to it. that being said however, 20X18 seems rather a large section. If you still want to seal it up, I'd box out the piping then just use a bag of concrete mix.