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    bedbathaddition's Avatar
    bedbathaddition Posts: 1, Reputation: 1
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    #1

    May 26, 2008, 03:58 PM
    Connecting new concrete slab to old slab for an addition
    I want to expand my master bed room/walk in closet to house. Need to puor new slb for addition and connect to the old slab.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    May 26, 2008, 04:50 PM
    How thick is your slab? In most cases you do not try to make a mechanical connection to the old slab, leave an expansion joint and let the two slabs float on their own.
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