If the gutter run measures longer than 40 feet 12 2 m it should be positioned to pitch down from the middle aimed toward a downspout at each end.
Set rain gutter into roof.
As time goes on you ll observe that snow and rain accumulates in certain areas more readily than others.
Attach the gutter strip to the fascia or roof edge with nails and gutter straps.
Use a measuring tape to determine the length of the gutter.
Installation steps measure the length of your roof.
The one thing that pretty much everybody agrees on is that at least there should be a downspout to deliver the water to the lower roof and point it in the right direction.
By measuring the areas of your roof you can buy the exact length of gutters needed.
If you are using something else such as a big trash can you can cover the top of it with a screen netting.
Mount the gutter so that the edge without the downspout is slightly higher than the end with the sleeve.
Install your rain gutters.
Not all areas of a roof are created equal.
Rain gutters should be attached to the fascia and run the entire length of the roof ending with a downspout.
If you are using a trash can then you can attach a rain gutter directly into the rain barrel and put a lid on top to eliminate the light.
Contractors will never assemble the rain gutter length piece by piece.
If this is the case you may need to add a small section of downspout that connects your second story gutters directly into your first story gutters.