Metal Roof Flashing Diagram

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.

Metal roof flashing diagram. The flashing shall be a minimum of 4 inches 102 mm high and 4 inches 102 mm wide. Flashing provides the extra protection these spots need. 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. Other flashings include transition flashing end wall and sidewall flashings and valleys see diagram on right for application.

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. Most flashing is made of galvanized metal but diy ers may prefer aluminum flashing because it s easier to bend. Eave flashings include gable flashing and eave trim either of which are often. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.

The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.