Roof And Wall Flashing

Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer.

Roof and wall flashing.

The metal flashing is formed with a hook edge and cleated on 12 centers. The horizontal part of the flashing will vary depending on the type of roof covering material. The gibraltar building products l flashing protects your home the gibraltar building products l flashing protects your home from moisture infiltration where your wall meets your roof. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.

L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface. The shorter vertical plane is attached to the upper floor wall under the building paper the lower plane sits on top of the underlayment and under the shingles. Except where walls are brick the vertical part of the sidewall flashing should extend up behind the exterior wall covering just like with headwalls. If the lower roof abutting the building sidewall is being installed before the building s final wall siding and water membrane are being installed the building membrane roofing felt on the wall or final building siding may be able to serve as counter flashing atop the step flashing.

A sidewall is a junction between a wall and a sloped portion of a roof. Flashing joints are lapped 6 in the direction of water flow. The flashing extends up the wall at least 4.