Porch Roof Flashing Detail

Mc11 head wall metal flashing.

Porch roof flashing detail.

The flashing on the wall should be flush against it and the porch roof portion should be on top of the shingles. Mc11a head wall metal flashing 2. Mc10d double lap tile. 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.

The flashing shall be a minimum of 4 inches 102 mm high and 4 inches 102 mm wide. Mc12 pan flashing roof to sidewall. Mc10c low slope ventilated eave detail. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.

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. Most flashing is 8 inches wide. The corner cut should be facing upwards. To emphasize the importance of proper roof and deck flashing and to provide typical and enhanced flashing techniques for coastal homes.

Mc12a pan flashing roof to sidewall 2. Lay the cut flashing down at the corner over a shingle that is already in place. Nail the flashing securely in place using roofing nails. Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.

Try to keep the nails as flush as possible to the edges. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. 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. Mc12b metal flashing options.

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. Place the flashing between the joint of the house and the roof. Roof to wall and deck to wall flashing www fema gov technical fact sheet no. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.

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. Flashing is installed to surround roof features such as vents chimneys and skylights. Details roofing wrb flashing storm proof roof 2.