I've seen in very durable plastic with non-slip surface.. otherwise I'd replace each stair tread and then put this covering over it.. 

He left the whole house with trash including uneaten fried chicken.

I would fill in with the solid plastic Restoration or similar, a can of non expand window and door spray foam and whatever it took for good looking trimA perfect DIY project for an hour or three. 

Originally posted by @Mark Fries:@Timothy Duggan That sounds scammy to even have that thought because you should have priced it right to begin with....We're being asked what they can do to lock it down, offering to sign a longer lease.

(Also keys and drums if you happen to need a musician haha)  @Larry Fried  Thanks Larry, I'll have to check it out.  

@Ali Boone  @Larry Fried Thank you both for the informative responses!

Originally posted by @Larry Fried:@Drew Lubsey Hello and welcome to BP! 

Aloha @Larry Fried, @Tyrone Green, @Dmitriy Fomichenko, @Zack Mendenhall, @Antonio Coleman, @Steve K.

At first I was thinking about having it refinished but now thinking about replacement.Would you recommend plastic, fiberglass, or cast iron?

There isn't much cost between those and the hard plastic mirror hangers when its all said and done.