By kenton shepard and nick gromicko cmi.
Roof wall flashing inspection.
All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc.
This series covers roof framing roofing materials the attic and the conditions that affect the roofing materials and components including wind and hail.
These can often be a result of exhaust flutes plumbing stacks electrical masts etc.
The metal flashing is formed with a hook edge and cleated on 12 centers.
Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require a minimum of 2.
When a fixture of the house penetrates the roof it goes without saying that water entry points should be a cause for concern.
Kick out flashing should be installed at the base of sidewalls where the sidewall extends past the roof termination.
Headwalls should have fabricated headwall flashing.
At wall flashing details.
Boot or collar flashing should be installed at hvac combustion dryer attic and.
Flashing joints are lapped 6 in the direction of water flow.
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.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
Step flashing should be installed at sidewalls.
The sketch shown here courtesy of steve bliss and j wiley sons is discussed in detail.
The flashing extends up the wall at least 4.
Where we provide more details about the right way to install flashing at the roof to wall intersection.
Counter flashing let into the brick mortar joints sealed the top of roof wall flashing that you can t see.