Ul 790 Roof

Fire tests of roof coverings building integrated photovoltaics products only standard.

Ul 790 roof. Astm e108 standard test methods for fire tests of roof coverings and ul 790 standard test methods for fire tests of roof coverings the tests provide the basis for the class a b and c designations. Ul standard ul 790 edition 8 standard for standard test methods for fire tests of roof coverings edition date. Ice and water shield. These are the spread of flame test intermittent flame test and burning brand test.

Each requires a spread of flame test and a burning brand test. Of roof coverings ul 790 astm e 108 includes three key tests to provide fire classification of roof covering materials and systems. Component of class a roof systems refer to ul roof materials system directory fm standards 4450 4470. Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives.

Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894. Any ul classified type g1 g2 or g3 base ply sheet type 15 20 or 30 felt or ul classified prepared roofing accessory or gcp applied technologies inc. The fire test sections are part of the standard that can be completed by intertek and certified with the etl mark. During the burning brand test heat is transferred directly through the shingles or tiles as well as the roof underlayment.

This test is called the ul 2218 impact rating. Ul standard 790 263 and 1256. This test standard and closely related standards such as underwriters laboratories ul 790 and uniform building code 15 2 is used to determine the ability of a roof system to hinder the horizontal spread or vertical penetration of an external fire source. April 22 2004 ansi approved.

Ul developed a test to rate the strength of roofing materials. Ul 790 class a assemblies home resources ul 790 class a assemblies. Class 1 approval for steel roof deck constructions refer to fm roofnavsm california code of regulations title 24 insulation quality standard license ti 1418. Roof assemblies resistances to exterior fire exposure are typically tested and classified using two similar test methods.

Coated steel or aluminum roofing panels mechanically fastened.