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
Author Archives: Jerry Prugar
What Causes Siding to Become Loose in the Middle of the Wall?
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)
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
How many layers of shingles?
How many layers of shingles can be safely supported on a wood framed residential roof? Most building codes limit the number of layers of shingles to two. As a structural engineer, I design for two, but I prefer one layer… Read More
Things That Shouldn’t Be
There are things that just should not be!!!! Here are a few. The last photo was taken at an expensive hotel in Orlando! Disclaimer Read More
How Does Sheltering Affect Wind Pressures?
The magnitude of the pressures generated by wind on a building are not only correlated to the speed of the wind passing by, but they are also affected by the degree of the exposure of the building to the direction… Read More