Proper installation of ledger board
flashing is critical, say decking experts.
Deck ledger boards
are a common source of water infiltration, and it can be years before you discover the damage caused by water finding its way behind the ledger and into your home.
Otherwise, the hangers can pull loose from the ledger board or rim joist.
Over time, the joists can pull away from the rim joist or ledger board and twist out of their vertical position, which weakens them.
A Start by making an outline on the siding where you want to position the ledger board
Make the outline large enough to include space for the deck boards on top, the ledger and any trim boards on the sides.
Use 16d stainless steel or double-dipped galvanized nails for all of the joist framing and to attach the joist hangers to the ledger board
If you have brick, stucco or block walls, you can skip this step and hang the ledger board directly against the face of the masonry.
Lag-screw the ledger board to the house rim joist (Photos 1 and 2).
Place the joist hanger around the 2x4 and nail 16d galvanized nails through all the holes into the ledger board
The screws are available in a variety of sizes for a variety of applications, from masonry to decking--longer screws can even replace lag screws on deck ledger boards
longer than the side pond ledger boards
, then center them on the pond and slide them under the ledger ends.
To build the shell, start by fastening 2x6 ledger boards
to the studs with 5/16-in.