If you are installing a roof system drip edges and gutter aprons play the main role.
Does the drip guard go in or behind the gutter.
The edge should be mounted running beneath the starter shingles extending a half an inch into the gutter.
It also diverts water into the gutter instead of going behind the gutter which could also dryrot of the wood behind the gutter.
When you choose a reliable roofing contractor you can feel confident that you are getting the work done right the first time.
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The primary objective of this drip edge is to keep the rain water from soaking up under the roofing shingles and causing dry rot of the plywood under the felt paper.
If not installed properly this will impact the effectiveness of your whole gutter systems.
The other element is if the gutter is not installed behind the drip edge it creates an air gap between the top of the gutter and the bottom of the drip edge which allows a place for the water to go.
A drip edge or a gutter apron keeps your roof secure by filtering out all the water from the attic into the gutter.
Capillary action is a water activity in which water adheres to a surface and follow the surface around.
The drip edge goes behind the gutter.
If the gutter is lower than the bottom edge of the drip edge install flashing behind the drip edge and over the back edge of the gutter to remove the gap.
When the roof shingles do not extend past the metal drip edge the water will suck back on the metal drip edge this is called capillary action and run behind your gutters.
If there s a drip edge installed where the fascia meets your shingles and the gutter is hung below the drip edge get some roll flashing and tuck it up under the drip edge and over the top of the gutter.
Does the gutter go under over or behind a drip edge.
There s two things happening making this necessary gravity which makes water flow down into the gutters over the drip edge into the trough and capillary action that draws water back under the drip edge.
We can also relate it to gutter systems.
Being a manufacturer of roof edgings and an installer of gutters i know first hand it s not always possible to get the gutter behind the drip.