Here are examples of Ledgers for Newport Solid and Laguna Lattice aluminum patio covers.

This patio has both ledgers needed for a combination patio cover.

LedgersLedgers2x6 Ledger

After this has been done you would call the city for a ledger inspection on you permit job card for the city to send an inspector out to make sure everything in being built to code.

 

Ledger Inspection