Going to try and winter over some Nuc's next year, just made a styrofoam nuc out of 1 inch styro board from home depot. I'm sure its been done before so its not earth changing. I'm thinking I need to paint it for weather protection. My biggest fear is propolis on the inside, I put down little walnut strips for my frames to rest on but pulling them out may pull apart my styro.

Would painting the inside with something help slow propolis or will the bees just hate it ? I know you dont normaly paint the inside of a hive .

P.S. spray paint will melt styrofoam..