Two pitched roofs meet at a right angle and form a valley. At the eaves
of these roofs are gutters (eave troughs) that meet at a right angle at
the bottom of the valley. On the inside of that angle, on the side of
the gutters furthest from the eaves, there is a piece of sheet metal
bent in a right angle and fastened inside the gutters and going
perpendicular to the ground.
You see this piece of metal a lot, and it's called a deflector.
Apparently it's to divert a deluge of water coming down the valley. This
time of the year over here in the mid-northern latitudes, there's often
a pile of leaves behind the deflector. I would think whatever help it
might give in diverting water is out weighed by the disadvantage of
collecting leaves and thus promoting clogs.
Remove it if you don't mind water overflowing the gutters at that corner.
One problem with removing the deflector is that there is more water coming
down the valley than anyplace else and the overflow will not be directed
away from the corner of the foundation. It will also erode the soil in that
Maybe just cutting the deflector down in height may help.
The leaves are going to be a problem regardless of the deflector. You might
go to Lowe's or HD and get one or two sections of gutter guard and cut it so
it just protects the gutter at the corner
The leaves are laying in the valley of the roof, so when it rains they come
right down that valley and some pile up in the corner. The only thing that
might solve that problem, besides regular gutter cleaning like I do, would be
to talk to some of the "gutter guard" type installers and see if their $8 a
foot gutters will solve this problem. If they install, they promise to clean
I concur. The house I bought didn't have deflectors. Every decent rain made
a garden hose sized stream of water shoot out from the corner of the roof,
creating a swampy, muddy mess in the yard below. Now we have deflectors, we
have gutter guards, and we have grass instead of mud.
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