The piece of foam I shredded was 5″ thick by 4′ long by 10″ wide. It took about 4 minutes, much of that time spent flipping the piece over as it was thicker than the available shredding surface of my roller. The width was not an issue, it was perfect. I’ll either have to split the foam into thinner pieces or suffer through flipping them over numerous times to get them shredded.
The piece above nearly filled the receptacle to the top. Hopefully Wadly and I can use it up this afternoon.