Being an InterNACHI Certified Roof Inspector is an advanced designation available to those who successfully complete the set of six video courses on roof inspection and the General Exam.
The six-video training program requires 13 hours of video training on topics that include General Roof Inspection, Inspecting Asphalt Composition Shingles, Inspecting Tile Roofs, Inspecting Wood Roofs, Inspecting Metal Roofs, and Inspecting Slate Roofs.
Of those sessions, 5 hours is devoted to the General Roof Inspection training that covers defects and conditions common the five main steep-slope residential roof-covering materials: wood, metal, tile, slate and asphalt composition shingles. Those wanting to obtain the InterNACHI Certified Roof Inspector designation should take this course first.
That course is followed by specialized sessions that address: Inspecting Asphalt Composition Shingles (4 hours), Inspecting Tile Roofs (1 hour), Inspecting Wood Roofs (1 hour), Inspecting Metal Roofs (1 hour), and Inspecting Slate Roofs (1 hour).