Questions about: ledger

SIPs consist of two layers of plywood or OSB that “sandwich” an inner core of insulating rigid foam. SIP walls meet or exceed typical dimensional lumber construction structural properties. Because less framing is needed with SIP panels, there is also
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How to attached wood to concrete that is well cured. (over a Jul 24, 2012 This is a video of how I attach wood to concrete and it works very well. to attached wood to concrete that is well cured
The board that is against your house is the ledger. This runs parallel to your house you should see it bolted in. This would be load bearing (along with your posts) and is bolted into floor joists - which are not 2x4s