[Rick TYler]

Originally Posted by Dad1279

It was a Homasote product called Ice Deck. I spoke to Homasote yesterday. http://www.homasote.com/id.html

The Homasote I've seen has a very crumbly surface, which is why I shot my virtual mouth off. It's a lousy wear surface, and I'm not surprised it disintegrated. I made the mistake of cutting some with a 12-inch miter saw one time -- little paper dust everywhere. It's as bad as MDF dust.