Thermopole sheets?

hi is this Thermopole sheets good for roofs whats are there disadvantages and how long does it work

whats it cost?

cooltech.com.pk

Rs 7/sqft

what about its review i mean are they good to be use and have they any disadvantage

do they really work

check this thread

http://www.wiredpakistan.com/forums/viewtopic.php?id=1026