Drip edges are metal sheets usually shaped like an l installed at the edge of the roof.
Hip roof drip edge.
When installing anything on a roof you need to follow the water rule the water rule means you consider where water will run when it s on the roof.
Without a drip edge water may end up beneath the shingles and may cause damage to various parts of the home.
If this slight overhang is too short water will drip behind the gutters leading to rotted roof sheathing and fascia stained siding and even soil erosion and a flooded basement.
Why drip edge is a necessity.
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.
The lower edge of a roof should extend beyond the fascia board by about 3 4 inch so that runoff drains into the gutters.
This is important to protect damage to your fascia soffits rafters.
Also called drip edge flashing or d metal they serve a vital function by directing water away from the fascia and into the gutter.
The reason why drip edge should be installed below the underlayment along the eaves of the roof is so that water does not get under the drip edge.
Tools supplies tin sn.
Installing drip edge on your roof.