Author Archives: Jerry Prugar

What Can We Tell from This Photo? (Case Study 11)

Posted by in Shingles, Simple Forensic Methods, Winter Concerns | August 17, 2015

What can we tell from THIS photo?   This photo was taken at a valley on a shingle roof. The shingles on the left are less weathered indicating that they are not as old as the shingles on the right.… Read More

What Can We Tell from This Photo? (Case Study 10)

Posted by in Basements, Simple Forensic Methods, Water Sources | August 10, 2015

This photo was taken at the base of a basement wall. We note the following: The moisture staining on the wood stud and the cardboard box indicate that there has been water infiltration. The multiple rings of the moisture staining… Read More

What Can We Tell from This Photo? (Case Study 9)

Posted by in Fire Damage, Simple Forensic Methods, Wood | August 03, 2015

What can we tell from THIS photo? The wood plates and staples indicate that these are very old field built wood trusses. The soot and char indicate that they have been exposed to a fire. The relatively clean separation between… Read More

What Can We Tell from This Photo? (Case Study 8)

Posted by in Cracking, Masonry, Simple Forensic Methods | July 27, 2015

What can we tell from THIS photo? The portion of the wall on the left side of the cracking has dropped relative to the right.  This indicates that the cracking is probably from some type of earth movement, such as… Read More

Here Are a Few Head Scratchers

Posted by in Unusual | July 20, 2015

Sometimes I see things that just don’t look right.  Here are a few.   How did THIS happen?   No matter which way I turn, I violate a sign.    This valley flashing doesn’t look like it’ll work, does it?… Read More

Cinder Concrete Floor Deck

Posted by in Concrete, Steel | July 13, 2015

Cinder concrete was an early development in concrete floor construction.  It was appeared about one hundred years ago or so, when engineers and builders started combining steel and concrete to frame a floor.  It was a method that used a… Read More

What Causes Siding to Become Loose in the Middle of the Wall?

Posted by in Siding | July 07, 2015

We have often seen a loose course of siding in the middle of an exterior wall of a dwelling (Figure LS-1 and LS-2).  In fact, I have seen it on my own home.     What causes this? If you… Read More

Happy Birthday, America!!!! (2015)

Posted by in Celebrate | June 29, 2015

Every day, but especially the 4th of July, is good day to remember Who has provided us with Life, Liberty, & the Pursuit of Happiness (see Declaration of Independence): Blessed is the nation whose God is the LORD; and the… Read More