Porch Roof Flashing Detail

To emphasize the importance of proper roof and deck flashing and to provide typical and enhanced flashing techniques for coastal homes.

Porch roof flashing detail.

Roof to wall and deck to wall flashing www fema gov technical fact sheet no. At the end of the vertical sidewall the step flashing shall be turned out in a manner that directs water away from the wall and onto the roof and or gutter while this is a nice diagram of how these flashings work don t forget our 5 th design rule. Mc10c low slope ventilated eave detail. Mc12 pan flashing roof to sidewall.

Mc10d double lap tile. Details roofing wrb flashing storm proof roof 2. The corner cut should be facing upwards. Edge flashing and starter strip roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing details roofing wrb flashing.

Mc12a pan flashing roof to sidewall 2. Mc12b metal flashing options. Flashing is installed to surround roof features such as vents chimneys and skylights. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.

Most flashing is 8 inches wide. Lay the cut flashing down at the corner over a shingle that is already in place. Flashing details for decks porches. Try to keep the nails as flush as possible to the edges.

Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. Mc11 head wall metal flashing. This article explains critical deck flashing details for decks in order to avoid rot and leaks at the deck ledger board and at the building to which a deck is attached and we provide deck or balcony design and construction details for waterproofing at door jambs and sills. 23 roof to wall and deck to wall flashing home builder s guide to coastal construction page 1 of 3 purpose.

Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge. The flashing shall be a minimum of 4 inches 102 mm high and 4 inches 102 mm wide. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. Gently hammer the 45 degree cut around the corner of the porch roof.

Mc11a head wall metal flashing 2. Place the flashing between the joint of the house and the roof. To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width.