I have 5 inch "K-style" vinyl gutters on our house. To keep leaves and fir needles out of the gutters, I have vinyl screens covering the top of the gutters. They generally work well, except on the front and back of the house where the roof valley's are.
The valley's channel a larger volume of water into one spot, and in some of the significant rain storms, there's so much flow it overflows the gutter at the point going all over the yard and down the side of the house.
To make matters worse, the valley's also collect larger amounts of fir needles which get washed down and pile up on top of the gutter screen. This basically builds a ramp for the water to come down the valley and straight over the top of the gutter.
I could probably remove the gutter screen in that spot and collect more water, but it would also allow debris to get in and clog up the gutters.
Any tips on what I can do to solve the problem? (Replacing the gutters is not an option at this point).
Thanks,
Anthony