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FM - 4478

Roof Mounted Rigid Photovoltaic Modules

inactive
Organization: FM
Publication Date: 1 October 2014
Status: inactive
Page Count: 24
scope:

This standard applies to all rigid photovoltaic modules intended to be 1) mechanically fastened through or adhered to a single-ply, polymer-modified bitumen sheet, built-up roof, liquid applied roof cover or steep slope roof, 2) mechanically fastened or adhered to a metal roof cover assembly using clamps or other types of fasteners, adhesive or welding or 3) loose laid and ballasted over a fully adhered single-ply, polymer-modified bitumen sheet or built-up roof cover assembly.

This standard also applies to panels secured to racks and/or rack framing which are independently secured to the building structure, roof deck or metal roof cover or ballasted. It also applies to the rack itself and its securement.

The standard is intended to evaluate only those hazards investigated and is not intended to determine suitability for the end use of a product.

This standard evaluates rigid photovoltaic modules for their performance in regard to fire from above the structural deck, simulated wind uplift, susceptibility from hail storm damage, and seismic performance requirements.

This standard only addresses the photovoltaic module and racking, it does not address any other electrical component utilized to supply the generated electrical power to the building.

This standard does not apply to flexible photovoltaic modules.

Purpose

This standard states test requirements for roof mounted rigid photovoltaic modules that are used with a roof assembly.

Document History

December 1, 2021
Roof-Mounted Rigid Photovoltaic Module Systems
This standard applies to all rigid photovoltaic module systems that are: ▪ Mechanically fastened through a single-ply, polymer-modified bitumen sheet, built-up roof, or liquid applied roof cover...
December 1, 2016
Roof-Mounted Rigid Photovoltaic Module Systems
This standard applies to all rigid photovoltaic module systems intended to be 1) mechanically fastened through or attached to an FM Approved single-ply, polymer-modified bitumen sheet, built-up roof,...
4478
October 1, 2014
Roof Mounted Rigid Photovoltaic Modules
This standard applies to all rigid photovoltaic modules intended to be 1) mechanically fastened through or adhered to a single-ply, polymer-modified bitumen sheet, built-up roof, liquid applied roof...

References

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