Roof wall flashing architectural detailing this design guide has been prepared to assist architects and architectural draftspersons with the design and installation intricacies of detailing roof and wall flashing for metal cladding.
Wall to flat roof flashing detail.
N use flashing cement at joints to help secure flashing.
Roof to wall and deck to wall flashing www fema gov technical fact sheet no.
The flashing extends up the wall at least 4.
N do not seal housewrap or building paper to step flashing.
N tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.
3 12 flashing large roof penetrations 17 3 13 flashing small roof penetrations 19 3 14 expansion 20 3 15 standard roof flashings 21 3 16 non standard roof flashings cappings 24 3 17 box gutters 25 3 18 barge gutters and capping 26 4 0 typical wall flashings 27 4 1 cladding orientation 27 4 2 walling profile running horizontally 27 4 3 types of.
Roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing image details roofing wrb flashing.
To emphasize the importance of proper roof and deck flashing and to provide typical and enhanced flashing techniques for coastal homes.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
N use step flashing that has a 2 to 4 inch lon ger vertical leg than normal.
Flashing joints are lapped 6 in the direction of water flow.
The metal flashing is formed with a hook edge and cleated on 12 centers.