The feature photograph was taken of the underside of a roof deck in an attic. This photograph provides helpful information regarding the cause and history of the damage. From this photo we observe the following: The pixelated pattern of the apparent… Read More
Archives by Month: July 2017
Indentations from Hail Impacts on Metal Roof Vents
What happens when a hail stone impacts a metal roof vent? If the hail is big enough, many times greater than /14 inch diameter is big enough, the metal gets dented. The feature photograph shows where hail stones indented a… Read More
What Happened Here?
The shingles along the eave of roof exhibit broken and dislodged tabs and surface gouges (Figure 1). What could have caused this? Vigorous ice removal. The damage is along an area that was reportedly covered with ice (see featured photograph).… Read More
Happy 4th of July (2017)
Thoughts for the 4th of July: . “If the freedom of speech is taken away, then dumb and silent we may be led, like sheep to the slaughter.” George Washington . “They that can give up essential liberty to obtain… Read More