Parapet Wall Roof To Wall Flashing Detail

Capping or parapet flashing.

Parapet wall roof to wall flashing detail.

Exterior wall parapet rafters prep. Change of pitch flashing sits on batten roof fixing seal seal ensure that the underlap length is sufficient to prevent wind driven rain from. Paraguard expansion joint roof to wall with parasolo flashing. 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.

Skylight roof hatch flashing. Parapet wall with edge grip. High wall flashing detail 10 wide sheets. Paraguard expansion joint roof to roof with parasolo flashing.

High wall flashing detail 5 wide sheets. No air control in either the roof assembly or the wall assembly. And to make matters worse structurally we also tend to have some issues. No membrane under the parapet flashing.

Ah but not in the way you think. The roofing squares are locked into a 20 oz. Furthermore parapets are often inadvertently connected to interior space via balloon framing gaps in structure or penetrations for wiring and mechanicals introducing warm moist. Unlike standard exterior walls parapet walls are exposed to the elements on three sides.

Copper base flashing which extends at least 8 up the wall. In our page top photo my grandson tanner gilligan points out the white caulk that was installed as a stopgap. This detail shows a flashing condition at a vertical wall or parapet. Flashing over rooang fascia sheatiiing 2 x 4 sleepers aligned w rafters provide.

No vapor control layer and thermal bridging everywhere. Parapet with paraguard coping and parasolo flashing. Figure 8 flashing single wythe walls at roof parapet intersection ref. Roof wall flashing detail specifications snafus.

The counterflashing laps the base flashing a minimum of 3. Air leakage into and out of everything and everywhere. Parapet removal involves modification to both the wall and roof. 6 interior wall treatments concrete masonry walls with an interior treatment may also utilize a through wall flashing installation of flashings as shown in figure 9.

Roof area divider curb type. Detail drawing pdf pdf 187 kb en thru wall counterflashing. To wall sloped roof no overhang ledger support. Parapet walls are a difficult detail with a long history of failure.

This article illustrates and discusses alternate or rather goofy attempts at roof wall intersection flashing to prevent leaks water damage and points out where leak risks may remain.