External Flashing Roof

If a porch or bay roof intersects the wall flashing must guide water from the wall s drainage plane where it can drain from the home.

External flashing roof. Beyond the dormer and cut the top section along the dormer edge. Add shingles and additional step. This adjustable rubber pipe flashing for metal roofing this adjustable rubber pipe flashing for metal roofing accommodates roof penetrations from 1 4 in. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.

It may be formed between a roof surface and a parapet wall or between two roof surfaces. Bend the flap down and nail along the top edge. The wall s drainage plane material should overlap the flashing at this intersection guiding water from the walls to the flashing and finally to the roof. Roof flashing large roof penetration 8 small roof penetration 8 change of pitch 8 mansard 9 expansion joint 10 ridge capping 10.

Run the base flashing 4 to 5 in. Check the flashing at intersecting roofs. In modern buildings flashing is intended to decrease water penetration at objects such as chimneys vent pipes walls windows and door openings to make buildings more durable and to reduce indoor mold problems. Flap to bend around the front of the dormer.

The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Wall flashing mid wall connections 14 internal corner trim 15 internal corner moulding 15 external corner trim 16 external corner moulding 17 wall to eave s soffit 18 fascia purlin 18 bottom of wall. A purpose made external gutter which is located at the edge of an. A square or rectangular gutter that is used within the boundaries of the roof.

Open valleys have metal flashing to protect this critical area of the roof. Available with infold outfold splashback and squashfold edges. Internal flashings or concealed flashings catch water that has penetrated a masonry wall and drain it through weep holes to the outside of the wall. Nail along its upper edge.

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. This flashing provides protection for pipes cables conduits and wires. External or exposed flashings prevent moisture from penetrating into masonry walls where the wall intersects the roof. Up to 5 3 4 in.