Metal Roof Flashing Diagram

These problem areas include the edges of skylights and chimneys soil stacks vent fans and roof valleys as well as the intersection of the roof deck and dormer walls.

Metal roof flashing diagram.

The most common flashing for metal roofing is the ridge cap which is used at the peak of a roof where two opposing roof slopes join. Open valleys have metal flashing to protect this critical area of the roof. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Other flashings include transition flashing end wall and sidewall flashings and valleys see diagram on right for application.

Eave flashings include gable flashing and eave trim either of which are often. Flashing provides the extra protection these spots need. 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. 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.

The flashing shall be a minimum of 4 inches 102 mm high and 4 inches 102 mm wide.