Roof Wall Flashing Inspection

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.

Roof wall flashing inspection.

Flashing at the base of frame walls is inspected before covering with brick veneer. Flashing joints are lapped 6 in the direction of water flow. Most simply use a nominal 6 piece of lumber. The flashing extends up the wall at least 4.

At wall flashing details. All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc. Otherwise water would be like a cancer slowing devouring the house from the inside out. The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.

September 26 2018 uncategorized. This is why flashing is essential to the keeping of a house in good condition. By kenton shepard and nick gromicko cmi. Structural elements of the building must be left exposed for this inspection.

All of the engineering that is contained in your construction documents will be checked for compliance. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. 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 sketch shown here courtesy of steve bliss and j wiley sons is discussed in detail.

Open valleys have metal flashing to protect this critical area of the roof. Kick out flashing should be installed at the base of sidewalls where the sidewall extends past the roof termination. Boot or collar flashing should be installed at hvac combustion dryer attic and. 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. Headwalls should have fabricated headwall flashing. Step flashing should be installed at sidewalls. This series covers roof framing roofing materials the attic and the conditions that affect the roofing materials and components including wind and hail.

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. 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.

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.