I would lay some sheet metal on the bottoms of those steps. NOT THE TOPS. you could do both, however my reasoning is that you will get hung up on those openings. Also, believe it or not even something as light as 16ga will add strength
j
Expanded steel. Drainage.
Good call, i did think about them getting hung up. Ill have to buy something and stick it under there.
Expanded steel. Drainage.