I'm not quite as inventive as I thought since I had originally intended to use different sheet materials or different folds in each individual case. (galeriethomasschulte.de)
Hard wearing sheet material is ideal if you're on a budget and using the shed as a workshop or for gardening, storing tools and machinery. (idealhome.co.uk)
She suggests that adding a sticky coating to the surfaces of sheet materials that are likely to pass across each other in an impact, such as those used to make cars, could make them more resistant to impacts, without adding much to their weight. (newscientist.com)