Sheet Metal Flashing Details

L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface.

Sheet metal flashing details. Where flashings need to be site built from sheet metal or flashing membranes the finished installation must follow the fundamental flashing rules of down and out. Many critical metal elements are invisible flashing. As with any flashing detail the materials used should result in a uniform and compatible design. At the gable edge use a gable or sidewall flashing.

The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. Support for mechanical equipment. Metal flashings through wall flashings 2 piece counter flashings apron flashings base flashings ledge flashings reglet counter flashings. Manufacturers of flashing and sheet metal browse companies that make flashing and sheet metal and view and download their free cad details revit bim files specifications and other content relating to flashing and sheet metal as well as other product information formated for the architectural community.

Benefits of sheet metal properly designed and professionally constructed and installed by experienced contractors sheet metal elements can last for centuries sheet metal fits all green building materials. For example joining two materials with significantly different coefficients of thermal expansion such as metal flashing and bitumen roofing membrane can cause tearing and failure of the joint. Flashings must always direct water out over the cladding or drainage plane without openings that would allow water to be directed back into the wall. Download free high quality cad drawings blocks and details of flashing and sheet metal organized by masterformat.

Ap1 standard apron detail ap2 transition detail cf1 two piece cut in counter flashing cf2 two piece counter flashing cf3 cut in counter flashing cf4 surface mounted counter flashing cf5 surface mounted integral counter flashing cp1 coping with standard cleat cp2 coping with raised cleat cp3 coping with integral counter flashing dr1 drip flashing. To provide a drip edge allow an overhang of 1 to 2 inches at the eave. L flashing can be cut into smaller lengths to use as step flashing. Many roofing membranes also shrink as they age.

Flashing exposure with inside fascia. Base and counter flashing with reglet. Made with 28 gauge galvanized steel l flashing can play an essential part in protecting your home against water damage.