Though their paw pads are quite tough they aren't designed for such surfaces for long periods of time. (blog.nhvnaturalpetproducts.com)
Consequently, such surface data should be ignored for political decision - making. (pjmedia.com)
This will be worst when such a surface is very close to the enclosure, particularly beneath it, generating rising warmer air into the box. (skepticalscience.com)