This standard covers blocks intended for installation on flat roof surfaces for supporting gas, condensate or refrigeration piping, electrical conduits, ductwork, roof-top walkways, and mechanical equipment, and specifies requirements for materials, physical characteristics, performance testing and markings.
Product Details
Edition:
1st
Published:
05/01/2013
Number of Pages:
6
File Size:
1 file , 430 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
