I HAVE BEEN ASK TO RESTORE A 200 YR OL D BARN, SQUARE LOGS, YOU CAN SEE TOTALLY BETWEEN THE LOGS, NO MATERIAL IS LEFT IN THEM, THE LOGS ARE BIG AND SQUARE WITH SOME GAPS IN EXCESS OF 2 O OR 2.5 INCHES,WHAT WOULD BE YOUR RECOMENDATIONS TO SEAL THESE GAPS UP, IT WILL BE A HISTORIC RESTORATION AND BUDGET IS NOT UNLIMITED.