Mosco Screens Ltd provides a custom fit service or standard off-the-shelf solutions for applying insect screens to windows, doorways, vent blocks or outdoor areas (such as kitchens or porches). The screens are comprised of aluminium frames with mesh that is made of fiberglass, aluminium or other specialty materials to suit the environment. They serve to keep out insects, leaves, debris, birds, spiders, mosquitoes and bats from buildings or open areas without blocking fresh airflow.