How To Control Valley Water On Roof

Roger cook evaluates a couple alternatives for moving rainwater effectively.

How to control valley water on roof.

A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water. Every gutter protection restricts the opening of the mouth of the eavestrough. Welcome roof valley rain water diverter is the only product on the market that solves the problem of overflowing water on an a roof. Cut it in half with a pair of tin snips.

Water flows through the open slots into the gutter and debris washes over the top of the surface and falls to the ground. Its unique design collects water progressively and its smooth surface allows debris to be easily washed or blown off. It is screwed to the outer lip of the gutter. How to divert water without gutters or downspouts everyone knows the importance of diverting water away from a house but sometimes a traditional gutter and downspout simply won t work.

That s why i am a fan of a roof valley splash guard and install them on every house i do eavestrough on. Eliminates the hazard of owerflowing water and ice and prevents dangerous slip and fall accidents. It incorporates a patented cheese grater style top and louvered sidewall design. Measure and mark the center of the drip edge with a tape measure mark a line across the center with a straightedge.

Cheese grater style pattern collects water in roof valley here are the details about barnett s valley controller. So when you place gutter protection in the valley now you are giving less room for the water to go through and over it will come. 5 mount the ladder and carry the drip. If the ice and water shield is missing then you will have to remove the shingles on both sides along the valley put ice and water shield in place and re shingle the roof.

The way to reduce this is to use a diverter which is vertical piece of metal bent into a l shape with the bottom section about 3 4 wide and the vertical part about 4 wide. I don t know if you can buy them our guys just made them from scrap pieces of gutter.