Is A Drip Edge Necessary On A Metal 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.

Is a drip edge necessary on a metal roof.

The drip edge also gives us a nice straight edge with which to align roof shingles slates or other roofing material. The edges of a roof that receive the most moisture particularly those of irregular or steep sloped homes require the most protection and any shingles that extend beyond a certain point are going to eventually bend and fracture along the edges which means if the drip edge is missing or has been eliminated from an installation water can get under the shingles and cause staining and deterioration of the lower roof deck area and the band under the roof edge. You will learn how to install drip edge on a metal roof properly. Why drip edge is a necessity.

Let s start with a definition. It is non corrosive and non staining so that your roof looks good but is structurally stable. A drip edge is a metal usually aluminum strip which extends beyond other parts of a roof and directs rainwater off the roof away from the fascia and into the gutter. It will stop the water from running back under the steel and dropping on the facia where it could cause damage.

Drip edge overhangs the sides of the roof and has a small metal flange that is bent away from the fascia. A metal roof may or may not need a drip edge. A drip edge is a non staining and non corroding material applied on a roof s edge to give water the ability to filter out of the roof system. Drip edge varies in dimensions but typically the flange that nails to the roof surface is about 2 5 wide and the vertical edge that directs roof runoff down and away is about 1 5 in depth.

Without a drip edge water may end up beneath the shingles and may cause damage to various parts of the home. Also called drip edge flashing or d metal they serve a vital function by directing water away from the fascia and into the gutter. Drip edges are metal sheets usually shaped like an l installed at the edge of the roof. Drip edges are crucial in many cases because they protect important architectural elements from wind driven rain.

Most homeowners will trust their roofing contractor to do what s necessary to replace the old roof but it doesn t hurt to ask if your roof bid includes drip edge. If the pitch of the roof is low then a drip edge might be a good idea. There are several details that should not be missed during the installation. This metal sheet is installed on the edge of the roof and directs water away from the fascia and toward the gutter.

In other words it is the metal flashing located at the edge of a roof. Drip edge is a vital component of a building s roof.