So take some time to determine a plan of action.
How to get rid of black birds in roof.
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.
Netting block off the birds completely from any roof with netting.
If larger the blackbirds will still be able to get in.
Place fake predators on your roof to scare birds off.
Or you can keep your existing roof and place a fine mesh over the gravel so the birds cannot access it.
There are four effective methods to keep birds away from your property.
These screens will allow water to pass through but will prevent birds from nesting.
Deterrents frighten birds away using visual repellents and noisemakers.
Use wire mesh or bird netting to cover the undersides of rafters and other spots where blackbirds might be tempted to roost.
Using deterrents spraying chemical repellents creating physical barriers and trapping.
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.
To avoid attracting these birds to your roof you can use a roof system that is not topped off with gravel.
Make sure the mesh is spaced no smaller than one and one half inches.
Just be careful when hanging it.
Look for the following decoys at garden or farming supply stores.
A built up roofing system bur using a modified bitumen layer as the top layer or cap sheet will not attract gravel nesting birds.