Flashing A Roof Ledger Board

Properly installing a ledger board for your deck is one of the most important structural components of building a safe and strong deck.

Flashing a roof ledger board. This first piece of flashing needs to extend up at least 2 inches behind the deck ledger board. These 18 articles will teach you how to install flashing and bolt the ledger connection to the house rim. Or taller wall leg. Or more on the face of the ledger and a 6 in.

Snap a chalk line cut out the siding and tack up the ledger board. Flashing a patio roof ledger unless it will be protected from rain by the house s eaves or a solid roof a roof ledger that is fastened directly to a house with wood siding should be capped with galvanized metal z flashing that tucks up under siding to prevent water from seeping in behind it. Galvanized steel and aluminum flashing can experience accelerated corrosion when in contact with treated lumber. Start by making an outline on the siding where you want to position the ledger board.

Slip the siding up and around the door slip the back flashing under the siding at least 3 at the top and the sides. Then slip flashing behind the siding covering the top edge of the ledger. You then attach the ledger board to the wall using approved through bolts not lag bolts. This will ensure water doesn t infiltrate behind the flashing.