What are the different types of flashings?

Some types of roof flashing are counter flashing, chimney flashing, step flashing, headwall flashing (also called apron flashing), valley flashing, and gutter apron flashing.

What kind of flashing is used on roofs?

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.

What are two types of flashing?

There are two general types of flashing used in masonry construction. The first is external flashing (exposed flashing) and the second is internal flashing (concealed flashing). External or exposed flashings prevent moisture from penetrating into masonry walls where the wall intersects the roof.

What type of flashing is used on metal roof?

Today Oatey Flashings are used in commercial and residential applications where a water-tight seal around plumbing vent pipe or outside wall penetrations is required. Oatey Master Flash® Roof Flashings are engineered for metal roof applications for any pitch.

Does flashing go over or under shingles?

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.

How should flashing be installed on a roof?

What does step flashing look like?

What is apron flashing on a roof?

Apron Flashings are located at the low end of a curb or penetration. This type of flashing makes a water tight junction, basically forming a right angle which starts up behind the cladding, comes down and out and over the roof. In the case of shingles, it comes out in between shingles.

How do you fix roof flashing?

Can you install step flashing on existing roof?

Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in. In order to properly install new flashing, you’ll have to remove the shingles surrounding your old flashing, and then re-lay them after installation.

What is drip edge on roof?

Drip edge is a metal flashing that is installed at the edges of the roof to help control the flow of water away from the fascia and to protect the underlying roofing components. Drip edge overhangs the sides of the roof and has a small metal flange that is bent away from the fascia.

What is barge flashing?

What is this flashing used for? Waterproof the junction between the fascia or barge board and roof sheeting, providing an attractive finish to the roof.

What is the overhang of a roof called?

roof eaves
The proper term to use when talking about the roof overhang is to call it the roof eaves. The eaves of a roof refer to the edges that extend beyond the wall face. It forms that overhanging structure which makes sure that the water does not damage the siding of house walls.

Is drip edge the same as flashing?

Drip edges are metal sheets, usually shaped like an “L,” installed at the edge of the roof. Also called drip edge flashing or D-metal, they serve a vital function by directing water away from the fascia and into the gutter.

Does every roof need a drip edge?

The 2012 International Building Code (IBC) requires drip edges for that type of roof. Regardless of the kind of roof you have, we highly recommend installing drip edges. Keep in mind that improper installation of any roofing component can create gaps, rendering any waterproofing solution useless.

Should drip edge go over gutter?

It is recommended that gutters are placed under or ‘behind’ the drip edge of your roof. A drip edge refers to a component that hangs over the roof and has an outward projecting lower edge.

What goes on first fascia or drip edge?

The correct placement of a roof drip edge is on top of the roof’s exterior cover directly between the sheathing and the fascia board, which forms a drainage gap between the drip edge and the fascia board. As a result, the drainage improves water flow and protects the roof from potential water damage.

Does drip edge go around entire roof?

Drip edge is installed around the whole perimeter of the roof. It is used to hold the underlayments down and create a watertight seal around the edge of the roof. Only the face of the metal is seen and is usually just white one to one and half inch stripe located right under the shingles and above the fascia.

Should shingles hang over drip edge?

How Should Shingles Be Installed Over Drip Edge? Shingles should be installed over the drip edge a minimum of 3/8” (9 mm) at both the eave edge and the rake edge. If the drip edge extends… out from the rakes and eaves (typically called DL Style or D Type), the shingles may be installed flush with the drip edge.

Should drip edge be tight against fascia?

A vertical drip edge lip extends down roughly 1 5/8″ and as Steve points out, should not be set tight against the fascia board or water may run behind the gutter and down the fascia, inviting leaks and rot.

How far below drip edge should gutters be installed?

Do you caulk drip edge?

Another place that should never be caulked is the space between the siding and the flashing above a window; this piece of flashing is often referred to as drip flashing, drip cap, or head flashing. Caulking this opening shut is a very common defect, even on new construction.

How far above roof should gutters?

1/4 to 3/8 inch
Most shingle manufacturers recommend a 1/4 to 3/8 inch overhang over your eave, which is where your roof ends by your gutter. In many cases, and particularly as the home ages and settles, the roof edge at the eave edge can wave in and out by more than this amount.