Which life is longer comparing with log house and ferroconrete made house?
The ferroconcrete made house is not permanence.The ferroconcrete looks like very substantial, in fact it can gradually reduce its intensity by reason of air,so 30 years ferroconcrete room is the old room.obove 50 years ferroconcrete made house is not suitable to live. The lumber cannot have the transformation as the time growing ,it only has the physical transformation such as lessen and expansion ,not has chemistry transformation.
