Lightweight sometimes a flat roof support structure requires a lightweight green roof.
Light weight roof structure.
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.
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.
In some instances either 6 8 or 10 c purlins doubled back to back can be used to as rafters as a substitute to structural steel beams.