Read more about the specifications of this lightweight solution here.
Light weight roof structure.
Slate2 results in a 40 reduction in the overall weight of a similar traditional slate roof easily meeting the standard structural roof specification of less than six pounds per square foot.
In recent decades an expanding range of construction methods and building products particularly wooden truss roofing systems and wood i joists that together are often termed lightweight construction have been widely embraced by residential builders for their ability to deliver economy and functionality.
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.
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.