A normal inspection that includes viewing of all areas readily accessible, both internal and external.  This type of inspection is normally performed when cleaning the chimney.

All areas covered in a Level I inspection, as well as areas requiring access to attics, crawl spaces and basements.  This type of inspection would include video scanning or other means of inspection.

All areas covered by Levels I and II, plus areas that are concealed in the building or chimney.  This type would include removing brickwork to view areas after an incident that has caused damage to the chimney or building.