New to NRCA members—FREE mental health training with LivingWorks.

Laboratory testing of a four ply organic felt, built up roofing System

To obtain a copy of a specific publication, users should contact the publication's publisher directly.

Abstract
A study has been completed of the susceptibility to haim impact damage of an alphatic pitch-impregnated organic felt (three-ply with base sheet) roofing system applied over a 1-1/2" thick gypsum concrete deck. The results discussed in this paper were developed from the test program and from associated literature research.
Date
0/1991
Author(s)
Haag Engineering
Page(s)
Keyword(s)
four ply organic felt; built up roof; hail damage


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.

Advertisement

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

Subscribe to NRCA