Instructions
Install bird spikes. These are V-shaped rods that deter pigeons, crows and other large birds from any area. The rods don't have a sharp tip so they won't harm the birds and still allow access to the area for people. The rods prevent the birds from landing on ledges, pipes, gutters, chimneys and any other area where birds are unwanted.
Use a bird coil. Bird coil is another good deterrent for unwanted birds. It's made of stainless steel, is very effective for exposed ledges and is also adaptable for most architectural details. Bird coil has rounded curves that will not harm the birds or humans needing access to the ledge. It is especially effective for large birds like pigeons and gulls.
Install an electrical bird deterrent. These devices are effective on all birds, including large crows and pigeons as well as small birds like sparrows. These are also easily installed on ledges, pipes, chimneys, roofs and any other area the birds are bothersome. These products emit a harmless shock, similar to a static electric jolt, that conditions the birds not to return to the area. These products are a good option if you don't want the bird deterrent to be too visible.
How to Keep Birds From Landing on a Ledge
Birds are not always welcome in certain areas, especially if they form large groups. Not only can the chirping become irritating, but their droppings can cause concern for health reasons if they are near places that people live. The bacteria can get into the vents and can also ruin surfaces. There are plenty of deterrents on the market that are safe and will keep your ledge bird-free, leaving them to find a new place to perch.