For example if the gutter is 16 feet long the end near the down spout must be 1 inch lower than the starting end.
Change gutter slope.
If your gutters don t slope then you only need to adjust the hangers and lower them slightly where necessary to achieve the correct slope.
You want at least a quarter inch of slope for every 10 feet.
Granade roofing on another awesome seamless gutter project adjusting a section of gutter to get the proper flow of water.
To correct this yourself you ll need to measure from the peak to the downspout.
Most gutters are either 5 or 6 gutters.
Snap a chalk line between the two and find the spots where the gutter is out of alignment.
Most contractors tend to set the slop at one quarter inch per ten feet of guttering.
The standard slope for rain gutters is half of an inch for every 10 feet.
If gutters slope too severely they don t hold water and water could splash over the sides in heavy rain.
Drop the gutter to the desired angle sloping it toward the downspout.
This means that your gutter should be a half inch lower in height at every 10 foot mark until you reach the downspout.
Ask someone to hold the gutter while you loosen and remove the gutter brackets or hangers.
Use a level to make sure that the existing gutter slopes down toward the downspout.
Step 2 test old gutters for slope.
If there s standing water it s not pitched properly.
Loosen the drip edge with a screwdriver.
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.
Once the gutter is properly pitched re install the gutter.
Get on a ladder after a rainstorm and look in the gutter.
If you re changing out to a bigger gutter you only need make sure that the side that mounts is about the same size as your current gutters in order to use the old gutter as a guide.
A good guideline is that the pitch should cause a decrease somewhere between 1 to 2 inches over a 40 foot run.
Pull the gutter down about 3 quarters of an inch lower than it originally was.
So what s the ideal amount of slope for your gutters.
To get started measure the side of the house directly under the gutter to determine its length in feet.
The amount of collected water increases until it spills over the sides of the gutter.
If gutters don t slope water gathers in them.
The gutter should have a quarter inch of slope per 10 feet.
Put a temporary screw at the back to adjust the pitch.
The gutter slope also called the pitch is the amount the gutter tilts down to let rainwater flow out of it.
Multiply the number of feet by 1 16 inch to determine the total slope the gutter requires.
So if you have a 25 foot section of guttering you should set the downspout end of the gutter 5 8 of an inch lower 1 4 x 2 5 5 8 than the other end.
