Wsrca suggests for walls 24 inches and taller that wall cladding be considered in lieu of membrane wall flashings per detail tp 8a.
Flash parapit wall to high roof wall.
The roofing squares are locked into a 20 oz.
No vapor control layer and thermal bridging everywhere.
On walls greater than 36 inches high membrane wall flashing sheets are suggested to be strapped i e installed vertically.
On the inside face of a parapet or wherever a masonry wall intersects a lower roof i have seen cases where the masonry flashing exits the wall one or more courses above the top of the retaining bar for the roof base flashing.
No air control in either the roof assembly or the wall assembly.
I recommend 12 in wide step flashings bent for a 5 in.
No membrane under the parapet flashing.
See sbs roof systems 12 6 cap flashings base flashings and reglets parallel standards are shown.
The counterflashing laps the base flashing a minimum of 3.
Accounting for roof penetrations when dealing with parapet walls the extra material needed to cover the vertical surface of the inside face of the parapet isn t the only added factor to take into consideration.
This detail may be used where wall heights are 24 48 inches above roof surface.
Air leakage into and out of everything and everywhere.
And to make matters worse structurally we also tend to have some issues.
How to attach flashing to a parapet wall.
Copper base flashing which extends at least 8 up the wall.
Many apartments and condominiums have flat sections of roof designed for air conditioning or other roof mounted equipment.
Fabrication procedure 1 metal cap flashing.
Roof leg and a 7 in.
The installation of the coping to wall termination provides waterproofing protection and allows for differential movement between the two construction components.
Prior to the installation of the parapet coping a metal flashing material shall be adhered to the structural wall.
This detail shows a flashing condition at a vertical wall or parapet.
Water may be entering the coping at the top of the parapet or entering the roof side of the parapet.
The profile of specific components their.
Cut to form a 25mm 1 wide flange for seam fabrication at cap flashing wall transitions.
The metal flashing shall lap the parapet wall.
Ah but not in the way you think.
Water from either of these locations may bypass flashing and enter the backup wall directly.
Mortar bridges below the through wall flashing may be allowing water to cross the cavity into the backup wall.
Architects of ultra modern.
Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.
Bigger step flashing is better.
