HAVE 40X70 HOOP BARN USALLY RUN 140 BUCKET CALVES IN IT. I CAN ROLL BOTH SIDES UP AND HAVE TWO 12X12 OVER HEAD DOORS W/ 2 EXHAUST FANS ON EACH END. PROBLEMS: TOO MUCH HEAT IN SUMMER. ITS NICE IN WINTER TIME, WATER SELDOM FREEZES VERY MUCH BUT WE HAVE MOISURE TROUBLE IN WINTER. SOME ONE TOLD ME IF I CUT OUT ABOVE BOTH 12X12 DOORS AS WIDE AS DOORS AND UP ALLTHE WAY UP I COULD ELIMINATE THESE PROBLEMS.BEFORE I CUT MEDAL SIDING WOULD LIKE SOME SUGGESTION FROM OTHERS HILLSIDE