Concrete Slab Poor Against Foundation Without A Expansion Joint - Concrete, Stone & Masonry - Page 2 - DIY Chatroom Home Improvement Forum

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Old 04-12-2013, 07:35 PM   #16
Concrete & Masonry
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Stuff like this get's me upset, I see it all too often. There should have unquestionably been expansion material between the house foundation and concrete slab, as well as the brick bar and slab. I wouldn't recommend one between the two slabs though. Also, an additional control joint off of the corner of the drain should have been a "no-brainer" for someone who does concrete for a living.

As far as retro-cutting expansion in now? I don't no how you'd do it up against the foundation and bar, every saw is going to have some kind of arbor & guard that will keep you a few inches away, and besides, it would take forever to cut. I would just keep a good eye on the slab at the foundation, make sure it doesn't settle much, as that can put a decent load on the top of the foundation........


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Old 04-13-2013, 07:12 AM   #17
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probably the color'd conc will spall & reveal some uncolor'd conc eventually,,, IF you find you need expansion jnt mtl between the 2 slabs, you'll need to cut it full-depth otherwise all you'll be doing is creating a joint sealant reservoir for whatever jnt sealant you select,,, there'll still be point contact & ' loading ' below the jnt sealant negating any benefit to jnt sealants

who's the idiot who didn't think there'd be a re-entrant crk off the drain ? there are some flush cut saws avail but they're pro ONLY equipment,,, live w/it for now


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