Parapet Roof Flashing Details

Mf 13 3 1 1 metal cap flashing joints mf 13 3 1 2 metal cap flashing inside corner mf 13 3 1 3 metal cap flashing parapet to wall transition site formed note.

Parapet roof flashing details.

Parapet with plywood sheathing and parasolo flashing. Any modifications or changes to the certainteed drawings are the sole responsibility of the roof consultant architect designer or builder and certainteed assumes no responsibility or liability for any such modifications or changes. Detail drawing pdf pdf 195 kb. The roof composition flashing extends up the cant strip over the coping and part way down its face under the copper flashing.

This detail shows a flashing condition at a vertical wall or parapet. Water control layer continuity. High wall flashing detail 5 wide sheets. Membranes continuous under the parapet flashing.

Detail drawing dwg. The roof side of the copper is cleated to the nailable cant strip. 3 3a surface mounted counter flashing detail. On walls greater than 36 inches high membrane wall flashing sheets are suggested to be strapped i e installed vertically.

On the opposite side a continuous copper edge strip is attached to the coping and the lower edge is bent to form a drip. Parapet with coping and parasolo flashing. Wsrca suggests for walls 24 inches and taller that wall cladding be considered in lieu of membrane wall flashings per detail tp 8a. The drawing below shows how the parapet wall meets with the sloped roof note that the flashing extends up the parapet wall a minimum of 8.

Where parapets are being retained flashing the top is essential. Air control layer continuity. Wall base termination detail. High wall flashing detail 10 wide sheets.

This detail may be used where wall heights are 24 48 inches above roof surface. Copper base flashing which extends at least 8 up the wall. Typical roofing details autocad files. Roof area divider curb type.

Where no structural damage has occurred and the cladding is sound the parapet should be cap flashed as shown below. The parapet wall needs to be tall enough for both the base flashing and the cap flashing to work together and provide the required venting. Roofing cad details. Under e2 as1 all parapets must be flashed with a cap flashing having a 5 cross fall to prevent water accumulation.

All of the good series of parapet details presented follow the baker principles and a little bit of other stuff figure 12a figure 12b figure 13 figure 14 and figure 15. The roofing squares are locked into a 20 oz. Paraguard expansion joint roof to roof with parasolo flashing. Parapet with paraguard coping and parasolo flashing.

The counterflashing laps the base flashing a minimum of 3. Ct 06 base flashing wall cover on wood parapet wall.