Read more about the specifications of this lightweight solution here.
Light weight roof structure.
The typical roof structure now consists of steel i beam rafters placed approximately 10 feet this varies depending on purlin size and other variables apart with either 4 6 8 or 10 lightweight steel purlins installed horizontally across the rafters.
This special lightweight structure for flat roofs transforms your grey roof with a pitch of 0 to 15 degrees into a sustainable green roof almost instantly.
Lightweight sometimes a flat roof support structure requires a lightweight green roof.
This modern system designed for light weight bearing construction has been tested over several decades and provides the same durability to a traditional 100 year slate roof.