Master Builders Technologies has been tested by TNO in Delft, Holland, according to the Dutch RWS test, Dept. of Public Works. This test runs for 2 hours at 1200 to 1350 degrees Celcius. A 50 mm protection on concrete show 160 degrees C at the interface, which is lower thant any other tested material.. Noi cracking, debonding or other damage was observed. The same basic material can be dry-sprayed, wet- sprayed, hand applied or pumped behind formwork.\r\nMaster Builders Technologies is a part of SKW-MBT, which is the world's largest constructin chemicals supplier. The underground contruction branch(UGC) has developed a new sprayable fire protection mortar with unifque properties, primarily intended for tunneling, but well suited for a number of the aplication. The end user cost is very favourable.