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.
Before we get into pricing details, letâs go over the different types of flat roofs. This is important because the type of roof has a lot to do with the price. The five types of flat roofs are: built-up, single-ply membrane, spray polyurethane foam (SPF), asphalt roll and flat-seamed metal roofing.