Commercial and industrial solar applications are often found on large flat rooftops. These roofs may still have a slight tilt but not nearly as much as sloped residential roofs. Solar mounting systems for flat roofs are commonly ballasted with few penetrations.

.Use the flat solar ballast mounting system can be pre-assembly solar bracket

.Installation easily,No need to climb the roof to dangerous installation work.

.Clean the solar panel easily and quickly.

Most ballasted mounting systems for flat roofs use a “foot” as the base assembly—a basket- or tray-like piece of hardware with a tilted design that sits on top of the roof, holding ballast blocks in the bottom and panels along its top and bottom edges. Panels are tilted at the best angle to capture the most sunlight, usually between 5 and 15°. solar Panels attach to the mounting systems either through solar clamps or clips.

On flat roofs, solar panels are best positioned facing south, but when that’s not possible, solar power can still be generated in east-west configurations. Many flat roof mounting system manufacturers also have east-west or dual-tilt systems. East-west systems are installed just like south-facing ballasted roof mounts, except the systems are turned 90° and panels butt-up to one another, giving the system a dual-tilt. More modules fit on a roof since there is less spacing between rows.

Following picturer is India's Kerala state installed solar panels on 75,000 homes as part of a programme to meet power needs from solar energy by 2022. that is use the solar ballasted mounting bracket.

Kerala launched a new solar rooftop programme in January [File: Ajit Solanki/AP]