Concerns with impact testing

Abstract
UL 2218 and FM 4473 are frequently used to assess products' impact resistances. Limitations in these test methods may not replicated products' hail-resistance performance.

Date
10/2008

Author(s)
Mark Graham

Page(s)
24

Source
Professional Roofing / National Roofing Contractors Assn

Keyword(s)
impact testing; hail performance; UL 2218; FM 4473

Download

Note: Documents in this section are provided as Adobe Acrobat PDF files. In order to print and view PDF files, the Adobe Acrobat Reader software/plugin, which runs on Microsoft Windows, Macintosh, OS/2 and various versions of UNIX, must be installed on your computer. Adobe Acrobat Reader is available for download as freeware from Adobe Acrobat's website. Please note that the resolution of on-screen versions is not as high as printed versions of PDF files.

Subscribe for Updates Join 25,000+ roofing professionals following NRCA

Chat with usLiveChat