Our logs are always the best full sized material available.  Everyone of our logs are center cut, which ensures you that a check will not split all the way through.  Each log is milled with a 3/4" single tongue and groove to allow the log to fit snugly with the one above.  This tongue is sealed with a Norton foam gasket that eliminates the need for caulking.  The bigger the log the higher the insulation factor and structural stability.  For that reason the smallest log we offer is a full 7 inches in diameter all the way up to 12.  They are all dipped and soaked with borate Timbor rendering the whole log treated not just the outside.   We even subject EVERY ONE of our homes to energy testing after completion to make sure your minds are as comfortable as your body.