Proper Roof Flashing Material

Aluminum flashing is easy for roofing professionals to form and is lightweight.

Proper roof flashing material.

This material is available with a v or w shaped profile and is placed over the top of the building felt before the roof s finishing material is installed. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Don t mistake this condition for headwall flashing routed beneath the shingles and call it a defect. Step flashing protects the joints between the roof deck and chimneys or dormers.

Two ways to flash roof edges. It s also highly durable and has. Copper flashing is notoriously the most expensive option of the various flashing materials but for a good. It is wise to choose flashing components that will have the same degree of longevity as the rest of your roof.

Details concrete masonry roofing wrb flashing. Components such as pipe flashings for sewer vents that protrude through the roof valleys and ridges are available off the shelf in any of these materials. Flashing should overlap the roof covering material but on asphalt shingle roofs for aesthetic reasons the part of the headwall flashing that extends down over asphalt shingles is often covered with a course of shingle tabs. Val ley flashing protects the valleys where two roof planes meet.

However roofing professionals in north america now prefer other materials. However aluminum must be. Here are just a few of the most common options. One common method is to lay the edge metal under the eaves membrane and over the rake.