The majority of roof leaks occur in locations where the plane of the roof is interrupted by a ridge another roof intersecting at an angle a wall or penetration.
Flashing roof to rake wall.
Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.
One of the most troublesome areas of the roof is the eave to rake wall flashing intersection.
Roof leg and a 7 in.
Its end needs to be cut angled and folded to fit the roof side and meet the end wall and eave.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
Flashing is critical to certain areas of your roof namely the places where the roof surface meets a wall sidewalls and front walls the low points where two roof slopes meet called valleys roof protrusions bathroom kitchen vents skylights and the roof s edges rakes and eaves.
If that s the case read this quick primer on how to install the following metal roof flashings on your home.
Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require.
One common method is to lay the edge metal under the eaves membrane and over the rake.
See fact sheet nos.
Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.
Rake trim is placed along the roofline where the line meets the gable.
7 2 and 7 3 for rake and eave details.
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.
Eave to rake wall flashing.
The narrower step flashing just isn t wide enough to protect the intersection fully.
To emphasize the importance of proper roof and deck flashing and to provide typical and enhanced flashing techniques for coastal homes.
Drip edges are strips of flashing material that run along roof eaves and rakes to prevent water from seeping under the finished roof along its edges.
All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc.
However the problems in this area can be greatly reduced if some guidelines are followed.
Bigger step flashing is better.
