Parapet Wall Roof To Wall Flashing Detail

Paraguard expansion joint roof to roof with parasolo flashing.

Parapet wall roof to wall flashing detail.

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. Copper base flashing which extends at least 8 up the wall. No air control in either the roof assembly or the wall assembly. Parapet removal involves modification to both the wall and roof.

Detail drawing pdf pdf 187 kb en thru wall counterflashing. 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. The counterflashing laps the base flashing a minimum of 3. The roofing squares are locked into a 20 oz.

Parapet walls are a difficult detail with a long history of failure. Furthermore parapets are often inadvertently connected to interior space via balloon framing gaps in structure or penetrations for wiring and mechanicals introducing warm moist. Flashing over rooang fascia sheatiiing 2 x 4 sleepers aligned w rafters provide. 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.

Unlike standard exterior walls parapet walls are exposed to the elements on three sides. Paraguard expansion joint roof to wall with parasolo flashing. High wall flashing detail 10 wide sheets. Air leakage into and out of everything and everywhere.

Roof wall flashing detail specifications snafus. Wall base termination. High wall flashing detail 5 wide sheets. No membrane under the parapet flashing.

Capping or parapet flashing. Figure 8 flashing single wythe walls at roof parapet intersection ref. Skylight roof hatch flashing. Ah but not in the way you think.

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. This detail shows a flashing condition at a vertical wall or parapet. Detail drawing dwg dwg 425 kb en. And to make matters worse structurally we also tend to have some issues.

No vapor control layer and thermal bridging everywhere. Roof area divider curb type. Change of pitch flashing sits on batten roof fixing seal seal ensure that the underlap length is sufficient to prevent wind driven rain from. In our page top photo my grandson tanner gilligan points out the white caulk that was installed as a stopgap.

Exterior wall parapet rafters prep.