Is A Drip Edge Necessary On A Metal Roof
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.
Is a drip edge necessary on a metal roof. Drip edge is a vital component of a building s roof. 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. It usually surrounds the roof s perimeter. 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.
Why drip edge is a necessity. Drip edges are metal sheets usually shaped like an l installed at the edge of the roof. You will learn how to install drip edge on a metal roof properly. If the pitch of the roof is low then a drip edge might be a good idea.
Since it is an important part of a roof the installation procedure must be performed correctly. The drip edge also gives us a nice straight edge with which to align roof shingles slates or other roofing material. 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.
Let s start with a definition. Drip edges are crucial in many cases because they protect important architectural elements from wind driven rain. 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. A metal roof may or may not need a drip edge.
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. Drip edge overhangs the sides of the roof and has a small metal flange that is bent away from the fascia. Without a drip edge water may end up beneath the shingles and may cause damage to various parts of the home. 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.
There are several details that should not be missed during the installation. A drip edge is essentially a metal sheet that is shaped like an l.