Flashing A Roof Ledger Board

Then slip flashing behind the siding covering the top edge of the ledger.

Flashing a roof ledger board.

Metal or plastic cap flashing covers the top of the ledger with a drop leg of 1 2 in. Start by making an outline on the siding where you want to position the ledger board. You then attach the ledger board to the wall using approved through bolts not lag bolts. These 18 articles will teach you how to install flashing and bolt the ledger connection to the house rim.

Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides. Or more on the face of the ledger and a 6 in. Or taller wall leg. Properly installing a ledger board for your deck is one of the most important structural components of building a safe and strong deck.

This will ensure water doesn t infiltrate behind the flashing. Snap a chalk line cut out the siding and tack up the ledger board. When slipping the flashing under the siding be sure to slide the flashing to the left or right of the ledger by at least 2. 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.