Code calls for p.t. rim joist w/26 ga. g.i. flashing.

I'd add a ice & watershield type membrane over that and isolate it with 15# felt below.

http://www.altereagle.com/

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Alter Eagle Construction & Design

galvanized flashing right but what does the i. stand for?

26 gauge galvanized iron sheet.. basically any galv. material would work here is a pdf detail I found:

http://www.co.el-dorado.ca.us/building/PDF/Porch_High_Fndn_Wall_DTL.pdf

http://www.altereagle.com/

http://decks-ca.com

http://kingofcrown.com

Alter Eagle Construction & Design

Thank You!!!!