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You are here: Experts > Industry > Construction Industry > Building Homes or Extensions > reinforce foundation
Expert: Bruce E. Johnson - 10/30/2009
Question
old house in Calif.with weak foundation (not slab; 8 inch concrete 'curb' to which mudsill bolted). we had 1 corner reinforced (repoured concrete w/ rebars around existing foundation)some years ago. we want to do other corners: do we just pour concrete around old foundation? how do we bolt new concrete to mudsill? if old foundation still there, is surrounding it really effective?
Answer
Hi Kathy, if you had similar work done before what is preventing you from having the same type of work repeated in this case? I have reinforced footings before by undermining them and repouring concrete underneath. Pouring alongside a footing may work with proper doweling with reinforcing bars. As far as bolting old mudsill to new concrete? You can have the mudsill in place and the bolt already in it, then you pour up the concrete to the bottom of the mudsill and the anchor will be included. Otherwise you can drill into the concrete through the mudsill and epoxy a bolt into the concrete. When the epoxy sets you tighten the nut to secure the mudsill..I hope this information helps, please feel free to write again regarding this or other matters, sincerely bruce e johnson..bejohnsonconsulting.com
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