Roof Ledger Board Flashing

If you are tying the roof directly to a house wall you can install a ledger board with flashing and install rafter ties to attach the rafters at the appropriate angles or use engineered trusses.

Roof ledger board flashing.

Put down ledger board s face. Or more on the face of the ledger and a 6 in. Tite seal self adhesive waterproof 9 in x 33 ft rubberized asphalt roll flashing. The amerimax 8 ft.

Start by making an outline on the siding where you want to position the ledger board. Find z flashing at lowe s today. Metal or plastic cap flashing covers the top of the ledger with a drop leg of 1 2 in. Galvanized steel and aluminum flashing can experience accelerated corrosion when in contact with treated lumber.

This will ensure water doesn t infiltrate behind the flashing. 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. Although more work it is absolutely a bullet proof solution. Then slip flashing behind the siding covering the top edge of the ledger.

Galvanized deck ledger flashing fits over deck ledger board and behind siding for protection from water damage. Or taller wall leg. If metal flashing is used holes must be drilled through the metal prior to drilling out the concrete. Painted galvanized steel features a baked on factory finish.

For a really durable job consider applying 30 felt paper or metal flashing between the ledger and the concrete. The opposite side of the porch roof will be supported by a header beam that is installed parallel to the house on top of 6x6 support posts. Add the aluminum flashing tuck the aluminum flashing underneath the bending and siding over the ledger. 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.

Snap a chalk line cut out the siding and tack up the ledger board.