10:22AM | 09/01/04
Member Since: 07/15/04
14 lifetime posts
I am trying to detail how to connect a new foundation to an existing. I am thinking of drilling 5/8" dia. holes to epoxy #4 rebar into. The new wall will tie into it and then I am thinking of spec'ing simpson crack injection to seal the joint between the two. Does this sound reasonable or am I missing anything?

Thanks in advance.


11:43AM | 09/03/04
Member Since: 12/01/02
93 lifetime posts
I think these are referred to as dowels and they are detailed as rebar connecting the old foundation to the new. Just as you'd pin a footing to bedrock, the rebar would be inserted into the old foundation and the new walls would be poured around them. I don't know the vertical spacing but this was just done on my house and my neighbor's. Neither of them had a sealant applied but that doesn't mean it's a bad idea. Note that I am not a builder and I'm just telling you what I've seen.

Good luck.


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