I believe the misconception of a specific safe distance has surfaced since warning line rules require setbacks from the edge at 6 10 or 15 feet depending on the circumstances.
How far away from roof should roost be.
Be sure the entrance is facing away from prevailing winds and place it where it will receive afternoon sunlight to keep warmer later in the evening.
If you use boards check for splinters and sand if necessary.
Position the house in an appropriate location to protect roosting birds.
Roosting perches should be around 1 5 3 feet high depending on your flock.
Again studies concluded that to be able to roost comfortably there should be at least 20cm 8 for smaller chickens 25cm 10 for larger breeds.
Plan for at least 10 inches of roosting space for each bird.
Feeders and waterers if you leave them in the coop overnight should not be placed under the roosts nor should the nesting boxes.
You can round the edges a bit if you wish for greater comfort.
I like to put a small lower perch in also for the old ladies so they don t have to jump down too far an important consideration arthritic hens.
The length of the roosting should be more prominent than 2 feet.
More about roosting bars.
Unless the roof edge is quite uneven some shingles overhang significantly more than others it should have the same stickout all along.
Also osha compliance officers often do not cite a circumstance unless the worker is reasonably close to an unprotected edge.
The brackets typically hold the gutter about 1 2 1 inch away from the fascia board if u type brackets otherwise if screw through type the gutter might be almost up to the fascia board.
The roosts should be at least 46cm 18 apart.
Amazing it like stairs at varying statures is perfect for the chickens.
Plastic or metal pipes should be avoided since they are too slippery for the chickens to get a good grip.
Allow the cover to overhang the entrance more than a typical roof to provide better protection from snow and rain.
The roost is commonly set in the center of the coop with the board running lengthwise.
The tallness should be as low as a foot off the ground.
A 2 4 with the 4 side facing up makes a wonderful roost.
Set the roost at least 15 inches off the front and back walls to provide space.
Leave about 15 between each roost to prevent those on the higher roosts from pooping on those roosting below them.