Roof Wall Flashing Inspection

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.

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. Structural elements of the building must be left exposed for this inspection. Boot or collar flashing should be installed at hvac combustion dryer attic and. The flashing extends up the wall at least 4.

Most simply use a nominal 6 piece of lumber. All of the engineering that is contained in your construction documents will be checked for compliance. 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. This is why flashing is essential to the keeping of a house in good condition.

Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5. Otherwise water would be like a cancer slowing devouring the house from the inside out. Counter flashing let into the brick mortar joints sealed the top of roof wall flashing that you can t see. Roof deck tie 106.

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. The primary purpose of roof flashings is to keep water out of the places which they have no business being in. The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material. By kenton shepard and nick gromicko cmi.

September 26 2018 uncategorized. Open valleys have metal flashing to protect this critical area of the roof. This series covers roof framing roofing materials the attic and the conditions that affect the roofing materials and components including wind and hail. Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require a minimum of 2.

Kick out flashing should be installed at the base of sidewalls where the sidewall extends past the roof termination. The sketch shown here courtesy of steve bliss and j wiley sons is discussed in detail. Flashing joints are lapped 6 in the direction of water flow. Flashing at the base of frame walls is inspected before covering with brick veneer.

Headwalls should have fabricated headwall flashing. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc. The metal flashing is formed with a hook edge and cleated on 12 centers.

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