Some of these are taboo and spoken to directly in landlord and even other regulations (like fire codes).

Check any applicable rules, codes, standards in your area, but in my locale, it is allowed (recommend even) to "encapsulate" this va tile. 

If you have a basement or crawl space there should be a shutoff below (per code) this feed from the existing gas line & that should also be OFF to avoid the inevitable if anyone turns this 'stop ****' on.

Our demo just started yesterday.I know they have heavy duty rugs for fireplaces but will look into the code for the hearth.

Make sure there isn't some code issue etc.  

I came across this incredible resource that gives you a high level view of the demographic details in any zip code in the US.

I'm a very detailed oriented person, and the things I've learned/taught myself, I've always ensured are the proper (as in to code) way to do things.

I was driving for dollars in my backyard and stumbled upon this house that was obviously vacant.The curious thing, is there were multiple code violations and other material taped to the front door and windows.

I've met with a electrician and he said I would need arc fault breakers because it was the new code.

If you are bringing the electric up to code the garbage disposal should have it's own circuit.