Proper Roof Flashing Material

Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.

Proper roof flashing material.

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. Copper stainless steel lead and aluminum are the most common materials used. 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.

Here are just a few of the most common options. 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. Details concrete masonry roofing wrb flashing. Aluminum flashing is easy for roofing professionals to form and is lightweight.

While some materials are stronger and others cost less aluminum remains the most popular choice of flashing. One common method is to lay the edge metal under the eaves membrane and over the rake. However aluminum must be. Copper roof flashing is also malleable and takes soldering well.

However roofing professionals in north america now prefer other materials. Val ley flashing protects the valleys where two roof planes meet. 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. Step flashing protects the joints between the roof deck and chimneys or dormers.