What is your question?

1. Will weight be problem? No, composition is very dense.

2. Storing in refrig? Not good idea. Would have to remove shelves and food. This is also not the temp for normal use.

3. Cover refrig? Would be hard to finish corners and because of glue can not expand with temperature changes.

There may be other questions u have, but can't think of any more. Let us know.

Chuck