Parapet Wall Roof To Wall Flashing Detail

Furthermore parapets are often inadvertently connected to interior space via balloon framing gaps in structure or penetrations for wiring and mechanicals introducing warm moist.

Parapet wall roof to wall flashing detail.

And to make matters worse structurally we also tend to have some issues. Parapet removal involves modification to both the wall and roof. Ah but not in the way you think. Air leakage into and out of everything and everywhere.

Unlike standard exterior walls parapet walls are exposed to the elements on three sides. Parapet walls are a difficult detail with a long history of failure. Paraguard expansion joint roof to roof with parasolo flashing. Detail drawing dwg dwg 425 kb en.

Roof wall flashing detail specifications snafus. Change of pitch flashing sits on batten roof fixing seal seal ensure that the underlap length is sufficient to prevent wind driven rain from. Wall base termination. Capping or parapet flashing.

The roofing squares are locked into a 20 oz. Parapet with paraguard coping and parasolo flashing. Detail drawing pdf pdf 187 kb en thru wall counterflashing. This detail shows a flashing condition at a vertical wall or parapet.

The counterflashing laps the base flashing a minimum of 3. No membrane under the parapet flashing. Roof area divider curb type. To wall sloped roof no overhang ledger support.

Figure 8 flashing single wythe walls at roof parapet intersection ref. Exterior wall parapet rafters prep. Skylight roof hatch flashing. Paraguard expansion joint roof to wall with parasolo flashing.

Parapet wall with edge grip. 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. No vapor control layer and thermal bridging everywhere.

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. 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. 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. 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.

No air control in either the roof assembly or the wall assembly.