Following North Korea's nuclear test in October 2006, Security Council members imposed sanctions on Pyongyang. The targeted sanctions include an embargo on military and technological materials and luxury goods, as well as a set of financial sanctions.
PVC roofing system. This roofing system is highly reflective and very durable. PVC is one of the top flat roof options because it is easy to install and lacks water permeability, meaning it can resist water ponding. Itâs three main benefits are very comparable to number 5 on the list, spray-applied roof coatings.
It cannot be compacted, and is spread rather than rolled. The British Standard for this type of roofing is BS 8218 :1998 Code of practice for mastic asphalt roofing. Single Ply-are flexible sheets composed predominately of synthetic polymer. Thickness is in the range 1.1mm to 2mm.