Roof Flashing Part

It is designed to protect the underlayment and eave.

Roof flashing part.

Flashing part 1 by kenton shepard and nick gromicko cmi the purpose of the series mastering roof inspections is to teach home inspectors as well as insurance and roofing professionals how to recognize proper and improper conditions while inspecting steep slope residential roofs. This is also used in other places where the roof covering is interrupted or terminated. 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. Word de construction word of the week.

Shingles though are only part of the whole roof system. The term drip edge is a piece of metal placed on the eave of a roof to help control and direct the flow of water into the gutter. Flashing refers to thin pieces of impervious material installed to prevent the passage of water into a structure from a joint or as part of a weather resistant barrier system. Quality made products that are in stock and ready to ship.

This ensures that rain always meets a flashing surface that directs it downwards. In modern buildings flashing is intended to decrease water penetration at objects such as chimneys vent pipes walls windows and door openings to make buildings more durable and to reduce indoor mold problems. The second piece should not be fastened to the base so the two pieces can move against each other independently when the roofing materials shift with seasonal change. The base is then covered by another metal flashing piece lapped over it.

What is the purpose of flashing on a roof. The unsung hero of the operation is roof flashing. Roof flashing is a thin layer of metal sheeting used to direct water away from seams and joints where moisture could penetrate the roof and cause water damage. There is another benefit to two part flashing.

I m sure there are very good reasons for this change but that doesn t matter here. Two part flashing systems consist of a base flashing often step flashing that is laced into the finished roof material. ˈdrip ˈej part of speech. This takes place at all edges the perimeters penetrations walls and valleys.

When working on paint colors i have noticed that houses with newer roofs seem to have more flashing than houses with older roofing. Roof flashing is typically used to describe the metal components that weatherproof or seal the roof system. Plus it is notoriously tough to install flashing around a chimney. Roof flashing is now more noticeable than it used to be and that s not good.