No vapor control layer and thermal bridging everywhere.
Parapet wall roof to wall flashing detail.
No membrane under the parapet flashing.
Roof area divider curb type.
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.
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.
The roofing squares are locked into a 20 oz.
Ah but not in the way you think.
Parapet removal involves modification to both the wall and roof.
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 roof with parasolo flashing.
Parapet wall with edge grip.
To wall sloped roof no overhang ledger support.
Detail drawing pdf pdf 187 kb en thru wall counterflashing.
Flashing over rooang fascia sheatiiing 2 x 4 sleepers aligned w rafters provide.
Wall base termination.
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.
And to make matters worse structurally we also tend to have some issues.
The counterflashing laps the base flashing a minimum of 3.
High wall flashing detail 5 wide sheets.
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.
Roof wall flashing detail specifications snafus.
Paraguard expansion joint roof to wall with parasolo flashing.
Figure 8 flashing single wythe walls at roof parapet intersection ref.
Parapet walls are a difficult detail with a long history of failure.
Air leakage into and out of everything and everywhere.
Copper base flashing which extends at least 8 up the wall.
Capping or 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.
Exterior wall parapet rafters prep.
Parapet with paraguard coping and parasolo flashing.
Detail drawing dwg dwg 425 kb en.