Parapet Wall Roof To Wall Flashing Detail

Ah but not in the way you think.

Parapet wall roof to wall flashing detail. Skylight roof hatch flashing. Change of pitch flashing sits on batten roof fixing seal seal ensure that the underlap length is sufficient to prevent wind driven rain from. And to make matters worse structurally we also tend to have some issues. No air control in either the roof assembly or the wall assembly.

Copper base flashing which extends at least 8 up the wall. Paraguard expansion joint roof to wall with parasolo flashing. High wall flashing detail 5 wide sheets. Roof to wall intersections.

Paraguard expansion joint roof to roof with parasolo flashing. There have always been problems with the flashing details at the roof to wall intersections of head walls rake walls and chimneys especially if brick or stone veneer or stucco is used. Parapet wall with edge grip. Where this is unavoidable use an overflashing between the penetration and the ridge or parapet for roof sheet drainage design refer to the stramit roof slope design guide.

Parapet walls are a difficult detail with a long history of failure. Parapet removal involves modification to both the wall and roof. Wall base termination. Roof area divider curb type.

No vapor control layer and thermal bridging everywhere. This detail shows a flashing condition at a vertical wall or parapet. The counterflashing laps the base flashing a minimum of 3. Parapet with paraguard coping and parasolo flashing.

No membrane under the parapet flashing. Furthermore parapets are often inadvertently connected to interior space via balloon framing gaps in structure or penetrations for wiring and mechanicals introducing warm moist. To emphasize the importance of proper roof and deck flashing and to provide typical and enhanced flashing techniques for coastal homes. 23 roof to wall and deck to wall flashing home builder s guide to coastal construction page 1 of 3 purpose.

The omittance of the termination metal leaves an opening at the top of the coping and allows for moisture infiltration at the space between the parapet. Detail drawing dwg dwg 425 kb en. A critical and often overlooked design detail is at the termination of a parapet coping at a wall. Roof to wall and deck to wall flashing www fema gov technical fact sheet no.

Unlike standard exterior walls parapet walls are exposed to the elements on three sides. Air leakage into and out of everything and everywhere. Where the roof slope is parallel to the parapet or at right angles to the apex of the roof the reconstruction detail after removing the parapet can be relatively simple by incorporating a cavity behind the cladding and flashing the top of the parapet. Detail drawing pdf pdf 187 kb en thru wall counterflashing.

High wall flashing detail 10 wide sheets.