i have a cape cod with knee walls(knee walls have r-13) 2x8 ceiling joists knee walls with 5 ' height , 6 feet of room from knee wall tapering to drop walls which run down the wall joist as one unit blow in insulation 8 inches inbetween ceiling as well as wall joists at tru 2x4 no insulation on inside of the knee wall roofpitch . I have sofit and gable vents on each end on the rear of the house is power attic fan on each end as was as ridge vent. dimension of full house is 32' d by 24'w 1.5 story. I have owed for 11 years now and have done everything i can think of the keep the upstairs warm in winter , and cool in the summer , i have read putting plastic or a vapor barrier on the insulation on the knee wall will make is sweat mold ect and do no good. Any ideas options? i do have heat and ac going upstairs but the floor and the walls are still cold to touch.
Thanks in advance-