How To Flash A Shed Roof To A Wall

The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.

How to flash a shed roof to a wall.

Above this start your wall strapping and cladding. In this video isaac illustrates installation of an 18 w. To do the job properly the flashing should go right through the block wall and thereby keep the lower wall dry. Ensure the vent is nailed at each edge 2 in.

The rough side will be down against the roof and wall and nailed at 2 in from ends along the black nail line in the fabric and two nails evenly spaced between them. Above a lower roof where it abuts the wall in all cases make sure to detail the flashing membrane so that it sheds water. Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5. One common method is to lay the edge metal under the eaves membrane and over the rake.

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. 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. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.

Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it. 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. Two ways to flash roof edges. Step flashing is a rectangular piece of flashing bent 90 degrees in the center.

If installed along the foundation the membrane should cover the joint where the sill meets the foundation. Nail the vent to the wall with matching spacing of nails. I cut the tape so that it laps onto the housewrap above and 3 in. Flexible flashing tape seals the eave to the wall.

Nail length should penetrate through roof decking. Iws is used in conjunction with step flashing or 4x5 wall flashing to create a water tight junction. Details roofing wrb flashing. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.

Most simply use a nominal 6 piece of lumber. It is used for roof to wall flashing. It should tuck under the sheathing wrap above and over the flashing below. The base flashing or apron flashing is the bottom piece.