I have my Grandfather's old ladder--it's over 100 years old. DH cleaned it and sealed it (leaving the old paint and stains on it). I fold acid free paper on the rungs and just drape the quilts over the paper. I haven't noticed any staining or marks on the paper so I assume my quilts are protected. I also have an old bunk-bed ladder for small quilts or wall hangings and I have the same paper on those rungs.