Proper Rain Gutter Pitch
Ranch house with roof of 5 12 pitch 48 feet long with a small gable extending out over a porch at one end.
Proper rain gutter pitch. To get started measure the side of the house directly under the gutter to determine its length in feet. For example if you have 30 feet of guttering the calculation is 1 4 x 3 0 75 i e. For rainy climates where gutters will handle a larger amount of water for long periods they should have a maximum distance of 18 inches apart between them. How to check your gutter measurements if you have a length of gutter that is more than 35 feet long the center point should be the highest elevation and each side should pitch down toward the downspouts on either end.
Gutters should be placed below the extended roof line so that snow and ice can slide clear. The standard slope for rain gutters is half of an inch for every 10 feet. Measuring the roof and purchasing materials 1. Attach a short length of downspout to the.
Measure the length of the roof that you re working on. Head to a home improvement store for. Rain gutters should be attached to the fascia and run the. Steeper pitches require less clearance.
I m reading a lot of different recommendations for the pitch slope of gutters on fascia anywhere from 1 8 per foot to 1 4 per 10 feet or to completely level. For spans longer than 40 feet it s wise to have a downspout on each end and start the high spot of the gutter in the center. Gutter can be run level for appearance but addition downspout will be necessary see section on proper gutter and downspout sizing. Plenty of rain but not usually much snow.
If adding a rain barrel. This means that your gutter should be a half inch lower in height at every 10 foot mark until you reach the downspout. If you live in a warm place with sporadic rain you can hang gutter hangers close to the middle of the gutter with a spacing of no more than 36 inches or three feet apart from the center. This means the downspout end of the gutter should be set 3 4 of an inch lower than the other end.
Gutter should be pitched 1 16 or greater per foot for proper drainage. Set a rain barrel on top of the concrete pavers. As a general rule gutter slope is set at 1 4 inch per 10 feet of guttering.