When any member of any organized rescue squad or volunteer nonprofit fire department, gratuitously and in good faith, enters any building, house, or structure which is burning or endangered by fire and makes efforts to preserve and protect said property and any other property contained therein or located on the premises thereof, such members shall not be liable for any civil damages for such entering or as result of any acts or omissions in rendering such efforts; nor shall such members be liable for any civil damages in rendering such efforts for their acts or omissions causing injuries to fellow volunteers or to owners of said property; provided, however, that this section shall not apply to civil damages for wanton misconduct.