Roof To Wall Flashing Detail

7 2 and 7 3 for rake and eave details.

Roof to wall flashing detail.

Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. Illustrates durable roof flashing details and shows how to flash roofs right in the real world. Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5. Flashing is installed to surround roof features such as vents chimneys and skylights.

Galvanized steel is a trusted low maintenance product that is known for durability. Roof to wall flashing with foam sheathing upturned leg of step flashing sealed to wall drainage plane with adhesive membrane. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. To emphasize the importance of proper roof and deck flashing and to provide typical and enhanced flashing techniques for coastal homes.

The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material. Roof to wall flashing is bent at a 110. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. At roof to wall intersections see figure 1.

Top edge of adhesive membrane is taped to drainage plane with sheathing tape. The shorter vertical plane is attached to the upper floor wall under the building paper the lower plane sits on top of the underlayment and under the shingles. Use step flashing that has a 2 to 4 inch longer vertical leg than normal. Most simply use a nominal 6 piece of lumber.

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. Step flashing to a brick wall involves. Do not seal housewrap or building paper to step flashing. Roof to wall flashing there have always been problems with the flashing details at head walls rake walls and chimneys especially if stucco brick or stone veneer is used.

See fact sheet nos.