Roof To Wall Flashing Detail

Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.

Roof to wall flashing detail.

See fact sheet nos. Step flashing to a brick wall involves. Do not seal housewrap or building paper to step flashing. Galvanized steel is a trusted low maintenance product that is known for durability.

Illustrates durable roof flashing details and shows how to flash roofs right in the real world. Top edge of adhesive membrane is taped to drainage plane with sheathing tape. 7 2 and 7 3 for rake and eave details. 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.

Roof to wall flashing is bent at a 110. 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. At roof to wall intersections see figure 1. 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.

Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5. Most simply use a nominal 6 piece of lumber. To emphasize the importance of proper roof and deck flashing and to provide typical and enhanced flashing techniques for coastal homes. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.

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. The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material. 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. Alternatively a cap flashing can be regletted into the foam sheathing with tape forming a transition to the cap flashing.

Use step flashing that has a 2 to 4 inch longer vertical leg than normal.