A scupper allows water to exit the roof, usually into a gutter drain.
it's a big drain hole in a flat roof system.
By placing a scupper 2"- 4" above the roof surface at the lowest point near the existing roof drain
A drawing that would show how high the flashing and counter flashing is going to be on a roof plus the various penetrations and pitch pockets and leader lines and possibly a scupper
for a shingled roof you need 4in per footEnough pitch to allow water to flow to the internal leader (drain) or scupper or outside leader by gravity
The scupper saved the boat fromm sinking.
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supper or upper
the meaning is that you have to scupper every thing rusty and e-mail a random girl you liked when you were 6 or 7
Scupper, lie in wait
Kupper, scupper, upper, tupper. That's all I got!
Your main problem is there is too much roof area leading to the valleys. Every roof plan which converges on that valley adds to the volume of water. This can be extremely hard to change without rebuilding your entire roof.What you want to install is a scupper at the end of the valley. A scupper is basically a large metal box that contains and controls the water into a down spout rather than shooting directly off the edge of the roof onto your garden.At the bottom of the down spout or where you choose to direct the water you should install a gravel pad for it to drain onto (usually 2 ft square will do it but it really depends on the amount of water). This will keep the water from eroding the surrounding soil.Note: If the water is coming down close to the exterior building wall make sure you slope your finished grade away from the building. Built up water can damage foundations and walls if it pools close by.
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