“Needed to find an item that would separate the base of my shed form the concrete base to prevent wet rot of the wood and was recommended to look for ShedBoot. found it after some searching, and ordered a quantity for the shed. They are a well made spacer come in packs of 10 and a can only say these are top notch just clip on according to the supplied instructions nail where needed and there you are, dry shed or decking base. available at https://shedboot.co.uk/”
