Parapet Wall Roof To Wall Flashing Detail

Parapet wall with edge grip.

Parapet wall roof to wall flashing detail.

Parapet walls are a difficult detail with a long history of failure. High wall flashing detail 5 wide sheets. Roof wall flashing detail specifications snafus. 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 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. In our page top photo my grandson tanner gilligan points out the white caulk that was installed as a stopgap. No air control in either the roof assembly or the wall assembly. Unlike standard exterior walls parapet walls are exposed to the elements on three sides.

Air leakage into and out of everything and everywhere. Figure 8 flashing single wythe walls at roof parapet intersection ref. No vapor control layer and thermal bridging 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.

Wall base termination. This detail shows a flashing condition at a vertical wall or parapet. Skylight roof hatch flashing. Flashing over rooang fascia sheatiiing 2 x 4 sleepers aligned w rafters provide.

Furthermore parapets are often inadvertently connected to interior space via balloon framing gaps in structure or penetrations for wiring and mechanicals introducing warm moist. High wall flashing detail 10 wide sheets. 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. Copper base flashing which extends at least 8 up the wall.

No membrane under the parapet flashing. To wall sloped roof no overhang ledger support. The counterflashing laps the base flashing a minimum of 3. Paraguard expansion joint roof to roof with parasolo flashing.

Ah but not in the way you think. Parapet with paraguard coping and parasolo flashing. Roof area divider curb type. Detail drawing dwg dwg 425 kb en.

Capping or parapet 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. Parapet removal involves modification to both the wall and roof. The roofing squares are locked into a 20 oz.

Exterior wall parapet rafters prep.