If so, parts of it have probably already been replaced with plastic (it rusts out). 

New electrical is better than real-old electrical with cloth insulation but not as good as 30-40 year old wiring with thicker copper wire and thicker plastic sheathing, so long as the sheathing isn't brittle. 

If you ever go to small claims court you will see landlords including in their cases charges like 79 cents for a broken toilet paper holder, or for $2 plastic drain stopper for a garbage disposer.

We have bought 18x24" plastic signs for about $20 per sign.

However, they might also be bidding higher-quality material (thicker plastic, longer warranty), which might mean they're more in the realm of possibility.

You could just cover it with plastic or a sheet to keep dust and paint from getting on your stuff.

Cars are made with soy ingredients on plastic wiring.

I would have stopped then and boarded it up or used heavy sheet plastic until it could be fixed. 

Hi Darrin,Without addressing the actual question, I will say Thermofoil is not foil, it's a plastic coating, and in some cases running the oven on self-clean makes it peel off near the stove.They have heat shields for it, but over time expect it to lift off in some areas.It is generally the cheapest option.Good Luck!

Tiny pieces of plastic, dirt, rocks, bugs, etc.