How To Flash A Shed Roof To A Wall

The base flashing or apron flashing is the bottom piece.

How to flash a shed roof to a wall.

Ensure the vent is nailed at each edge 2 in. Flexible flashing tape seals the eave to the wall. To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width. Two ways to flash roof edges.

Vent the shed roof by installing the end wall flashing on top of strips of your wall strapping cut the same height as the vertical leg of the flashing. The flashing only going part way into the wall will merely stop excess water running down the outside of the wall and between the wall and roof. It should tuck under the sheathing wrap above and over the flashing below. Iws is used in conjunction with step flashing or 4x5 wall flashing to create a water tight junction.

Above this start your wall strapping and cladding. I cut the tape so that it laps onto the housewrap above and 3 in. The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material. If installed along the foundation the membrane should cover the joint where the sill meets the foundation.

It is used for roof to wall flashing. Nail length should penetrate through roof decking. Details roofing wrb flashing. One common method is to lay the edge metal under the eaves membrane and over the rake.

That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. Most simply use a nominal 6 piece of lumber. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it. Above the roof sheathing.

In this video isaac illustrates installation of an 18 w. Above a lower roof where it abuts the wall in all cases make sure to detail the flashing membrane so that it sheds water. To do the job properly the flashing should go right through the block wall and thereby keep the lower wall dry. Above this install a counter flashing back on your sheathing with a return wide enough to allow air movement.

Placed opposite to base flashing or above base flashing counter flashing completes the two part team. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall. Nail the vent to the wall with matching spacing of nails. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.