What Is a Hail Test Square and How Are Hail Hits Counted?
A hail test square is a measured 10×10 ft square (100 square feet) section of roof used as a sample area to assess hail damage after a hailstorm. Inspectors mark the square, examine it closely, then count only the hail impacts that cause functional damage (dents, fractures, punctures, or bruising that shortens roof life). Those…
