Fire proofing/fire extinguishers

[Tiffany D.]

I am looking at a property (a large home that has already been divided into 5 units) that could be 7 units eventually (with work). But the property will require lots of help. As we renovate (and not all are complete tear downs inside) should we add fire proofing materials btwn units? Do other owners provide fire extinguishers? I want my properties to be safe even though most will be grandfathered in and not require sprinkler systems. Any suggestions and thoughts would be appreciTed!