Most modern roofs can support solar panels, which typically add only 2-4 pounds per square foot. When calculating the necessary load capacity of a roof, you need to figure in what's known as the dead load along with live loads or environmental loads. The dead load is the total weight of the. . Roof live load exempt under PV panels? 1607. ft, with most of it covered by PV. Where snow isn't a problem, the live load can come from people working on the roof and any equipment they take on to the roof with them. The roof must be able to support the sum of its dead load and any anticipated live. . What is a roof photovoltaic live load? The roof photovoltaic live load in areas covered by solar photovoltaic panels or modules shall be in addition to the panel loadingunless the area covered by each solar photovoltaic panel or module is inaccessible.
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