Description
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
