Drip edge diverts water away from roof edges so it won t be drawn by capillary action back up under shingles or sheathing.
Roof rake drip edge.
Mark where the drip edge begins to overhang and one inch further out from that overhang.
In today s video we go over the basic techniques to installing drip edge and rake edge on your roof.
Drip edges and rake edges are both metal sheets that are installed as part of the roofing system and as the edge in their name implies they are placed at the edges of the roof.
Cut the entire drip edge by your second mark so that it only hangs past the edge by an inch.
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Reasons to use drip edge.
It is non corrosive and non staining so that your roof looks good but is structurally stable.
Avoid placing nails within 1 1 2 of the roof edge.
This works out correctly if you do the eaves first.
For proper water drainage the drip edge on the rakes should always overlap the drip edge on the eaves.
Use the nail spacing and pattern dictated by your code and or location.
Drip edge overhangs the sides of the roof and has a small metal flange that is bent away from the fascia.
Then finish by installing the drip edge flashing on the rakes.
Then cut out the topmost portion of the drip edge by your first mark.
The primary difference between these two types of edges is where the edge is placed and the way the metal is angled in order to shed water away from the roof system.