Gutter slope

Old 10-25-07, 06:31 PM
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Gutter slope

Putting gutters on new garage,about 25 feet ,Does anyone know how much should I slope gutter from front to back and which is better plastic or alummunim? thxs
Old 10-26-07, 05:38 AM
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Frankly I like aluminum. and I would try to find a continous piece so that you can avoid seams. It will cost you a little more but you'll more than make up for it when you go to install it. Hidden ( or conceiled) brackets will do a good job holding up the gutter. Wrap around straps will also do a good job. Try and stay away from spikes and furrels.

PS You wont be able to buy continous gutter at a big box, theey only sell 10 ft lengths.

You dont need a large fall you just need a fall sufficient to carry water down the gutter. 1" should be more than sufficient.
Old 10-26-07, 01:38 PM
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Agreed...1" should be good.
Accepted standard for residential gutter slope to drain is between 1/4 inch to 1/2 inch per 10'.

Keep in mind not to over-pitch the guttering either, as this can flood the downspout(s) and cause overflow of the gutter in heavy rains.

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