Thanks for the advice JouteiMike.
The snake is actually my husband's -- witnessed its birth and all. I'm not particulary fond of keeping a snake, but I do want to give it a comfortable living area. Its current keep's made of sturdy plastic, but a misplaced lamp melted a hole -- to small for escape, but scary enough to get me worried. We had an enclosure built for reptiles, made of plywood, but someone left it outside too long and it fell apart.
So, just looking to do it right the first time. Never heard of melamine. Was thinking plywood.
I'd attach a pic, but having problems uploading at the mo'