Metal Roof To Wall Flashing Details

Flashings and cappings are strips of metal formed to weatherproof the edges of roofing and walling.

Metal roof to wall flashing details.

The purpose of a flashing is to make the building weather resistant and to prevent water from entering the building by diverting it. Roof to wall flashing with foam sheathing. Stramit roof and wall flashing is generally manufactured from g300 steel with protective coatings of zincalume galvanised or colorbond. Upturned leg of step flashing sealed to wall drainage plane with adhesive membrane.

Nrca berg points out that while continuous metal flashing is used at wall junctures in certain steep slope roof installations special flashing installation details are required that are different from a step flashing sealed roof and even when installed according to specifications this approach can leave the roof vulnerable to leaks or moisture damage from wind driven rain. Extend flashings 4 6 beyond the building cut along the bend lines ap ply sealant and fold the side flaps in and the top flaps down to cap off the ends. Mf 13 3 1 1 metal cap flashing joints mf 13 3 1 2 metal cap flashing inside corner mf 13 3 1 3 metal cap flashing parapet to wall transition site formed note. Alternatively a cap flashing can be regletted into the foam sheathing with tape forming a transition to the cap flashing.

Other materials such as colorbond ultra colorbond stainless uncoated stainless copper and aluminium are also available. For the purposes of this chapter only the term flashing is used. Top edge of adhesive membrane is taped to drainage plane with sheathing tape. Endlap flashings a minimum of 6 and seal the lap joints with sealant.

The following pages are currently under construction mf 13 3 1 4 metal cap flashing parapet to wall transition shop formed. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.