I had the same experience of putting fingers through the sheeting. In fact, one time I dropped the wing and caught it before it reached the floor. Would have been a good 'save' except that I put my fingers through the deck in several places. As I mentioned in my post of 1/19, I doubled up the sheeting on some places to give extra strength hoping to make the decking stronger. When possible, I ran the grain of the add-on sheeting in the opposite direction.