Roof Wall Flashing Inspection

This series covers roof framing roofing materials the attic and the conditions that affect the roofing materials and components including wind and hail.

Roof wall flashing inspection.

Open valleys have metal flashing to protect this critical area of the roof. The purpose of the series mastering roof inspections is to teach home inspectors as well as insurance and roofing professionals how to recognize proper and improper conditions while inspecting steep slope residential roofs. Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.

The sketch shown here courtesy of steve bliss and j wiley sons is discussed in detail. The metal flashing is formed with a hook edge and cleated on 12 centers. Headwalls should have fabricated headwall flashing. This is why flashing is essential to the keeping of a house in good condition.

Step flashing should be installed at sidewalls. Counter flashing let into the brick mortar joints sealed the top of roof wall flashing that you can t see. Kick out flashing should be installed at the base of sidewalls where the sidewall extends past the roof termination. Flashing at the base of frame walls is inspected before covering with brick veneer.

The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. All of the engineering that is contained in your construction documents will be checked for compliance. The flashing extends up the wall at least 4. Roof to wall flashing there have always been problems with the flashing details at head walls rake walls and chimneys especially if stucco brick or stone veneer is used.

Where we provide more details about the right way to install flashing at the roof to wall intersection. Flashing joints are lapped 6 in the direction of water flow. Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require a minimum of 2. The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.

Structural elements of the building must be left exposed for this inspection. 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. By kenton shepard and nick gromicko cmi. The primary purpose of roof flashings is to keep water out of the places which they have no business being in.

Roof deck tie 106. At wall flashing details. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Otherwise water would be like a cancer slowing devouring the house from the inside out.

All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc.