Welcome to hidden valley storage barns. all of our storage barns listed below come standard with 4x4 pressure treated runners, 2x4 pressure treated floor joists, and our advantech flooring with 50 year warranty. the garage floors are 4x4 pressure treated runners with 2x4 pressure treated floor joists 12" on center and advantech 50 year flooring.. Sheds barns in delaware on yp.com. see reviews, photos, directions, phone numbers and more for the best sheds in delaware, oh. start your search by typing in the business name below.. Find delaware sheds and barns company details - remodelers in delaware oh. let ehardhat help you do the research before you hire! let us find house and room addition professionals for you..