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. These can often be a result of exhaust flutes plumbing stacks electrical masts etc. Continuous flashing can be used then a vertical wall meets a sloped roof. Counter flashing let into the brick mortar joints sealed the top of roof wall flashing that you can t see. 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.

Flashing joints are lapped 6 in the direction of water flow. Kick out flashing should be installed at the base of sidewalls where the sidewall extends past the roof termination. When a fixture of the house penetrates the roof it goes without saying that water entry points should be a cause for concern. Boot or collar flashing should be installed at hvac combustion dryer attic and.

Headwalls should have fabricated headwall flashing. The metal flashing is formed with a hook edge and cleated on 12 centers. Step flashing should be installed at sidewalls. The flashing extends up the wall at least 4.

The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. In this scenario rubber flashing or. At wall flashing details. The sketch shown here courtesy of steve bliss and j wiley sons is discussed in detail.

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. Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require a minimum of 2.