Cement

Building material that has good thermal insulation and additional integrity. It is more efficient than raw stone.
==Buildings==
After researching Concrete Rooms, can be be baked from using and 
Building	Research	Result	Resources	Time	Fuel
 	 	 	 	9h 	
 	, 	 	 	6h 	
==Usage==
Can be used to build walls, roofs, floors, floorings, and stairs
== Tipp ==
Since you get halve of the stone back when deconstructing things and two concrete are made out of one stone it is possible to upgrade stone to concrete for almost free. (Just the work and fuel.)
Category:Construction materials