Roof Underlayment Flashing Detail

Usually you won t see much of drip edge as it s under the roof shingles under the underlayment and behind the roof gutter.

Roof underlayment flashing detail.

To make corner flashing take your tin snips and cut a 45 degree line from an outside corner to the center fold. Valley flashing for roofs. Install your underlayment completely and your shingles up to where the wall begins so that the first piece of flashing or the corner flashing will rest on a shingle. Two ways to flash roof edges.

One common method is to lay the edge metal under the eaves membrane and over the rake. Synthetic underlayment and ice barrier membrane readily fold at this wall to roof joint. Open valley closed cut valley and woven roof valley and we include roof valley underlayment and nailing specifications. In every case the top edge of the flashing passes underneath the underlayment the upper pieces of flashing pass over the lower pieces and the lower edge of the flashing always passes over the top of the roofing material.

Our photo above shows what we ask of roof edges. But where no gutters are installed you might get a peek. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Details roofing wrb flashing.

We describe how to construct three common styles of roof valley.