Metal Roof Flashing Details

Flashing is installed to surround roof features such as vents chimneys and skylights.

Metal roof flashing details.

Mc12 pan flashing roof to sidewall. Include roof pitch roof geometry slope length and climatic factors such as heavy snowfall or rainfall. Mc14 chimney flashing pan type. Mc12a pan flashing roof to sidewall 2.

The extra kick at the bottom of the face directs run off away from the structure. Refer to the details. Minimum sheet lead of 2 25 lb per sq ft or minimum sheet copper of 16 oz per sq ft 2. More product details close.

The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. Soft metal pipe flashing. To provide a drip edge allow an overhang of 1 to 2 inches at the eave. Mc12b metal flashing options.

At the gable edge use a gable or sidewall flashing. Mc11a head wall metal flashing 2. Mc14a chimney flashing step type. In order to do that we re going to use the end wall flashing as a guide.

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. Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs right in the real world. If using copper flashing over an iron or steel pipe insert a separator sheet wrapped around pipe to separate the copper flashing from direct contact with pipe so as to reduce galvanic reaction. This drip edge flashing provides protection from water damage along the eaves and rake of a roof.

We ve cut our z trims and before we install them we need to know where to place them on the panel. Mc11 head wall metal flashing. I m going to take the end wall flashing put it in place and use a pencil or a sharpie to mark the tops of the ribs and the gable trim just so i know where to put those z s. Installation of sheet metal roofing panel over the gable flashing after our first metal panel is installed we use a system specific metal cap that goes around and enwraps the gable trim and the outer edge of the first metal panel which is what secures holds them together on the outer edge of the system as seen in the picture above.

Whenever possible begin trim installation at the downwind end of the roof farthest away from the source of prevailing winds to al low flashing laps to face away from wind driven rain. The most elegant expression of this concept is a flashing see roof to wall flashing with foam sheathing. This will keep weather out prevent lifting in high winds and provide a neat finished appearance.