Make sure the mesh is spaced no smaller than one and one half inches.
How to get rid of black birds in roof.
Look for the following decoys at garden or farming supply stores.
In order to get rid of birds on your roof as well as prevent them from returning here are some of the most effective methods to try.
A built up roofing system bur using a modified bitumen layer as the top layer or cap sheet will not attract gravel nesting birds.
Netting block off the birds completely from any roof with netting.
Deterrents frighten birds away using visual repellents and noisemakers.
Start by removing any plant debris from your gutters.
So take some time to determine a plan of action.
These screens will allow water to pass through but will prevent birds from nesting.
Because birds have developed various senses to keep them safe from danger you can scare small fowls away from your roof by using statues that mimic their natural predators.
Using deterrents spraying chemical repellents creating physical barriers and trapping.
Place fake predators on your roof to scare birds off.
Then go to your local home improvement store and purchase a gutter screen to place on top of the openings where it meets your roof.
Just be careful when hanging it.
Use wire mesh or bird netting to cover the undersides of rafters and other spots where blackbirds might be tempted to roost.
There are four effective methods to keep birds away from your property.
If larger the blackbirds will still be able to get in.